Adapting transaction to the resource archi

Authentication finaly redirect to auth page
Adding filters et pagination to ledger
2025-02-21 16:08:59 +01:00 · 2025-02-20 22:15:28 +01:00 · 2025-02-18 23:19:07 +01:00 · 2025-02-17 21:00:19 +01:00 · 2025-02-17 19:07:04 +01:00 · 2025-02-17 17:36:38 +01:00
47 changed files with 1703 additions and 222 deletions
--- a/.idea/budget_forecast.iml
+++ b/.idea/budget_forecast.iml
@@ -6,7 +6,7 @@
      <excludeFolder url="file://$MODULE_DIR$/api/.venv" />
      <excludeFolder url="file://$MODULE_DIR$/api/venv" />
    </content>
-    <orderEntry type="jdk" jdkName="Python 3.12 (budget-forecast)" jdkType="Python SDK" />
+    <orderEntry type="jdk" jdkName="Python 3.13 (budget-forecast)" jdkType="Python SDK" />
    <orderEntry type="sourceFolder" forTests="false" />
  </component>
 </module>
--- a/.idea/dataSources.xml
+++ b/.idea/dataSources.xml
@@ -8,5 +8,20 @@
      <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/api/app/database.db</jdbc-url>
      <working-dir>$ProjectFileDir$</working-dir>
    </data-source>
+    <data-source source="LOCAL" name="kmm" uuid="581e59e2-3b7e-4f6a-a8d6-8f62c3386a4b">
+      <driver-ref>sqlite.xerial</driver-ref>
+      <synchronize>true</synchronize>
+      <jdbc-driver>org.sqlite.JDBC</jdbc-driver>
+      <jdbc-url>jdbc:sqlite:$PROJECT_DIR$/kmm.db</jdbc-url>
+      <working-dir>$ProjectFileDir$</working-dir>
+      <libraries>
+        <library>
+          <url>file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/xerial/sqlite-jdbc/3.45.1.0/sqlite-jdbc-3.45.1.0.jar</url>
+        </library>
+        <library>
+          <url>file://$APPLICATION_CONFIG_DIR$/jdbc-drivers/Xerial SQLiteJDBC/3.45.1/org/slf4j/slf4j-api/1.7.36/slf4j-api-1.7.36.jar</url>
+        </library>
+      </libraries>
+    </data-source>
  </component>
 </project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -3,5 +3,5 @@
  <component name="Black">
    <option name="sdkName" value="Python 3.12 (budget_forecast)" />
  </component>
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (budget-forecast)" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.13 (budget-forecast)" project-jdk-type="Python SDK" />
 </project>
--- a/api/app/account/account_routes.py
+++ b/api/app/account/account_routes.py
@@ -0,0 +1,91 @@
+from typing import Optional
+from uuid import UUID
+
+from fastapi import APIRouter, HTTPException, Depends
+from fastapi_filter import FilterDepends
+from fastapi_filter.contrib.sqlalchemy import Filter
+from fastapi_pagination import Page
+from fastapi_pagination.ext.sqlmodel import paginate
+
+from account.schemas import AccountCreate, AccountRead, AccountUpdate, OpeningTransaction, OpeningTransactionUpdate
+from account.models import Account
+from account.resource import AccountResource
+
+from db import SessionDep
+from user.manager import get_current_user
+
+
+class AccountFilters(Filter):
+    name__like: Optional[str] = None
+    order_by: Optional[list[str]] = None
+
+    class Constants(Filter.Constants):
+        model = Account
+        search_model_fields = ["name"]
+
+router = APIRouter()
+
+@router.post("")
+def create_account(account: AccountCreate, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
+    result = AccountResource.create(account, session)
+    return result
+
+@router.get("")
+def read_accounts(session: SessionDep,
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[AccountRead]:
+    return paginate(session, AccountResource.list_accounts(filters))
+
+@router.get("/assets")
+def read_assets(session: SessionDep,
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[AccountRead]:
+    return paginate(session, AccountResource.list_assets(filters))
+
+@router.get("/liabilities")
+def read_liabilities(session: SessionDep, 
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[AccountRead]:
+    return paginate(session, AccountResource.list_liabilities(filters))
+
+@router.get("/{account_id}")
+def read_account(account_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
+    account = AccountResource.get(session, account_id)
+    if not account:
+        raise HTTPException(status_code=404, detail="Account not found")
+    return account
+
+@router.put("/{account_id}")
+def update_account(account_id: UUID, account: AccountUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
+    db_account = AccountResource.get(session, account_id)
+    if not db_account:
+        raise HTTPException(status_code=404, detail="Account not found")
+
+    account_data = account.model_dump(exclude_unset=True)
+    account = AccountResource.update(session, db_account, account_data)
+    return account
+
+@router.get("/{account_id}/opening_state")
+def read_account_opening_state(account_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> OpeningTransaction:
+    transaction = AccountResource.get_opening_transaction(session, account_id)
+    if not transaction:
+        raise HTTPException(status_code=404, detail="Account not found")
+    return transaction
+
+@router.put("/{account_id}/opening_state")
+def update_account_opening_state(account_id: UUID, opening_transaction: OpeningTransactionUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> OpeningTransaction:
+    account = AccountResource.get(session, account_id)
+    if not account:
+        raise HTTPException(status_code=404, detail="Account not found")
+
+    transaction = AccountResource.update_opening_transaction(session, account, opening_transaction)
+    return transaction
+
+@router.delete("/{account_id}")
+def delete_account(account_id: UUID, session: SessionDep, current_user=Depends(get_current_user)):
+    account = AccountResource.get(session, account_id)
+    if not account:
+        raise HTTPException(status_code=404, detail="Account not found")
+
+    AccountResource.delete(session, account)
+    return {"ok": True}
--- a/api/app/account/category_routes.py
+++ b/api/app/account/category_routes.py
@@ -0,0 +1,65 @@
+from uuid import UUID
+
+from fastapi import APIRouter, HTTPException, Depends
+from fastapi_filter import FilterDepends
+from fastapi_pagination import Page
+from fastapi_pagination.ext.sqlmodel import paginate
+
+from account.account_routes import AccountFilters
+from account.schemas import CategoryRead, CategoryCreate, CategoryUpdate
+from account.models import Account
+from account.resource import AccountResource
+
+from db import SessionDep
+from user.manager import get_current_user
+
+router = APIRouter()
+
+@router.post("")
+def create_category(category: CategoryCreate, session: SessionDep, current_user=Depends(get_current_user)) -> CategoryRead:
+    result = AccountResource.create(category, session)
+    return result
+
+@router.get("")
+def read_categories(session: SessionDep, 
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[CategoryRead]:
+    return paginate(session, AccountResource.list_categories(filters))
+
+@router.get("/expenses")
+def read_expenses(session: SessionDep, 
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[CategoryRead]:
+    return paginate(session, AccountResource.list_expenses(filters))
+
+@router.get("/incomes")
+def read_incomes(session: SessionDep, 
+                    filters: AccountFilters = FilterDepends(AccountFilters),
+                    current_user=Depends(get_current_user)) -> Page[CategoryRead]:
+    return paginate(session, AccountResource.list_incomes(filters))
+
+@router.get("/{category_id}")
+def read_category(category_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> CategoryRead:
+    category = AccountResource.get(session, category_id)
+    if not category:
+        raise HTTPException(status_code=404, detail="Category not found")
+    return category
+
+@router.put("/{category_id}")
+def update_category(category_id: UUID, category: CategoryUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> CategoryRead:
+    db_category = AccountResource.get(session, category_id)
+    if not db_category:
+        raise HTTPException(status_code=404, detail="Category not found")
+
+    category_data = category.model_dump(exclude_unset=True)
+    category = AccountResource.update(session, db_category, category_data)
+    return category
+
+@router.delete("/{category_id}")
+def delete_category(category_id: UUID, session: SessionDep, current_user=Depends(get_current_user)):
+    category = AccountResource.get(session, category_id)
+    if not category:
+        raise HTTPException(status_code=404, detail="Category not found")
+
+    AccountResource.delete(session, category)
+    return {"ok": True}
--- a/api/app/account/enums.py
+++ b/api/app/account/enums.py
@@ -0,0 +1,43 @@
+from enum import Enum
+
+class AccountType(Enum):
+    Asset = "Asset"                # < Denotes a generic asset account.
+    Checkings = "Checkings"            # < Standard checking account
+    Savings = "Savings"              # < Typical savings account
+    Cash = "Cash"                 # < Denotes a shoe-box or pillowcase stuffed with cash
+
+    Liability = "Liability"  # < Denotes a generic liability account.
+    CreditCard = "CreditCard"           # < Credit card accounts
+    Loan = "Loan"                 # < Loan and mortgage accounts (liability)
+    CertificateDep = "CertificateDep"       # < Certificates of Deposit
+    Investment = "Investment"           # < Investment account
+    MoneyMarket = "MoneyMarket"          # < Money Market Account
+
+    Currency = "Currency"             # < Denotes a currency trading account.
+    AssetLoan = "AssetLoan"            # < Denotes a loan (asset of the owner of this object)
+    Stock = "Stock"                # < Denotes an security account as sub-account for an investment
+
+    Income = "Income"               # < Denotes an income account
+    Expense = "Expense"              # < Denotes an expense account
+
+    Equity = "Equity"               # < Denotes an equity account e.g. opening/closing balance
+
+class AccountFamily(Enum):
+    Asset = "Asset"
+    Liability = "Liability"
+
+class CategoryFamily(Enum):
+    Income = "Income"
+    Expense = "Expense"
+
+class Asset(Enum):
+    Asset = "Asset"
+    Checking = "Checking"
+    Savings = "Savings"
+    Cash = "Cash"
+    Investment = "Investment"
+
+class Liability(Enum):
+    Liability = "Liability"
+    CreditCard = "CreditCard"
+    Loan = "Loan"
--- a/api/app/account/fixtures.py
+++ b/api/app/account/fixtures.py
@@ -0,0 +1,195 @@
+from datetime import date
+from decimal import Decimal
+
+from account.resource import AccountResource
+from account.schemas import AccountCreate, CategoryCreate
+
+def inject_fixtures(session):
+    for f in fixtures_account:
+        f = prepare_dict(session, f)
+        schema = AccountCreate(**f)
+        AccountResource.create(schema, session)
+
+    for f in fixtures_category:
+        f = prepare_dict(session, f)
+        schema = CategoryCreate(**f)
+        AccountResource.create(schema, session)
+
+def prepare_dict(session, entry):
+    if entry['parent_path']:
+        parent = AccountResource.get_by_path(session, entry['parent_path'])
+        entry['parent_account_id'] = parent.id
+    else:
+        entry['parent_account_id'] = None
+    del entry['parent_path']
+    return entry
+
+fixtures_account = [
+    {
+      "name": "Current Assets",
+      "parent_path": None,
+      "type": "Asset",
+      "opening_date": date(1970, 1, 2),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Cash in Wallet",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 3),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Checking Account",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 4),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Savings Account",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 5),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Debt Accounts",
+      "parent_path": None,
+      "type": "Liability",
+      "opening_date": date(1970, 1, 6),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Credit Card",
+      "parent_path": "/Accounts/Liability/Debt Accounts/",
+      "type": "Liability",
+      "opening_date": date(1970, 1, 7),
+      "opening_balance": Decimal("0.00"),
+    },
+]
+
+fixtures_category = [
+    {
+      "name": "Salary",
+      "parent_path": None,
+      "type": "Income",
+    },
+    {
+      "name": "Other Income",
+      "parent_path": None,
+      "type": "Income",
+    },
+    {
+      "name": "Auto",
+      "parent_path": None,
+      "type": "Expense",
+    },
+    {
+      "name": "Home",
+      "parent_path": None,
+      "type": "Expense",
+    },
+    {
+      "name": "Rent",
+      "parent_path": "/Categories/Expense/Home/",
+      "type": "Expense",
+    },
+    {
+      "name": "Electricity",
+      "parent_path": "/Categories/Expense/Home/",
+      "type": "Expense",
+    },
+    {
+      "name": "Entertainment",
+      "parent_path": None,
+      "type": "Expense",
+    },
+    {
+      "name": "Groceries",
+      "parent_path": None,
+      "type": "Expense",
+    }
+]
+
+"""
+<accounts>
+  <account type="9" name="">
+   <account type="9" name="Current Assets">
+    <account type="3" name="Cash in Wallet"/>
+    <account type="1" name="Checking Account"/>
+    <account type="1" name="Savings Account"/>
+   </account>
+  </account>
+  <account type="16" name="">
+   <account type="16" name="Opening Balances">
+    <flag name="OpeningBalanceAccount" value="Yes"/>
+   </account>
+  </account>
+  <account type="13" name="">
+   <account type="13" name="Adjustment"/>
+   <account type="13" name="Auto">
+    <account type="13" name="Fees"/>
+    <account type="13" name="Fuel"/>
+    <account type="13" name="Parking"/>
+    <account type="13" name="Repair and Maintenance"/>
+   </account>
+   <account type="13" name="Bank Service Charge"/>
+   <account type="13" name="Books"/>
+   <account type="13" name="Cable"/>
+   <account type="13" name="Charity"/>
+   <account type="13" name="Clothes"/>
+   <account type="13" name="Computer"/>
+   <account type="13" name="Dining"/>
+   <account type="13" name="Education"/>
+   <account type="13" name="Entertainment">
+    <account type="13" name="Music/Movies"/>
+    <account type="13" name="Recreation"/>
+    <account type="13" name="Travel"/>
+   </account>
+   <account type="13" name="Gifts"/>
+   <account type="13" name="Groceries"/>
+   <account type="13" name="Hobbies"/>
+   <account type="13" name="Insurance">
+    <account type="13" name="Auto Insurance"/>
+    <account type="13" name="Health Insurance"/>
+    <account type="13" name="Life Insurance"/>
+   </account>
+   <account type="13" name="Laundry/Dry Cleaning"/>
+   <account type="13" name="Medical Expenses"/>
+   <account type="13" name="Miscellaneous"/>
+   <account type="13" name="Online Services"/>
+   <account type="13" name="Phone"/>
+   <account type="13" name="Public Transportation"/>
+   <account type="13" name="Subscriptions"/>
+   <account type="13" name="Supplies"/>
+   <account type="13" name="Taxes">
+    <account type="13" name="Federal"/>
+    <account type="13" name="Medicare"/>
+    <account type="13" name="Other Tax"/>
+    <account type="13" name="Social Security"/>
+    <account type="13" name="State/Province"/>
+   </account>
+   <account type="13" name="Utilities">
+    <account type="13" name="Electric"/>
+    <account type="13" name="Garbage collection"/>
+    <account type="13" name="Gas"/>
+    <account type="13" name="Water"/>
+   </account>
+  </account>
+  <account type="12" name="">
+   <account type="12" name="Bonus"/>
+   <account type="12" name="Gifts Received"/>
+   <account type="12" name="Interest Income">
+    <account type="12" name="Checking Interest"/>
+    <account type="12" name="Other Interest"/>
+    <account type="12" name="Savings Interest"/>
+   </account>
+   <account type="12" name="Other Income"/>
+   <account type="12" name="Salary"/>
+  </account>
+  <account type="10" name="">
+   <account type="4" name="Credit Card"/>
+  </account>
+ </accounts>
+"""
--- a/api/app/account/models.py
+++ b/api/app/account/models.py
@@ -1,76 +1,40 @@
-from uuid import UUID, uuid4
-from enum import Enum
+from typing import Optional

-from sqlmodel import Field, SQLModel, select
+from sqlmodel import Relationship

-class AccountType(Enum):
-    Asset = "Asset"                # < Denotes a generic asset account.
-    Checkings = "Checkings"            # < Standard checking account
-    Savings = "Savings"              # < Typical savings account
-    Cash = "Cash"                 # < Denotes a shoe-box or pillowcase stuffed with cash
-
-    Liability = "Liability"  # < Denotes a generic liability account.
-    CreditCard = "CreditCard"           # < Credit card accounts
-    Loan = "Loan"                 # < Loan and mortgage accounts (liability)
-    CertificateDep = "CertificateDep"       # < Certificates of Deposit
-    Investment = "Investment"           # < Investment account
-    MoneyMarket = "MoneyMarket"          # < Money Market Account
-
-    Currency = "Currency"             # < Denotes a currency trading account.
-    AssetLoan = "AssetLoan"            # < Denotes a loan (asset of the owner of this object)
-    Stock = "Stock"                # < Denotes an security account as sub-account for an investment
-    Equity = "Equity"               # < Denotes an equity account e.g. opening/closing balance
-
-    Income = "Income"               # < Denotes an income account
-    Expense = "Expense"              # < Denotes an expense account
-
-class AccountBase(SQLModel):
-    name: str = Field(index=True)
-    type: AccountType = Field(index=True)
-
-class AccountBaseId(AccountBase):
-    id: UUID | None = Field(default_factory=uuid4, primary_key=True)
+from account.enums import CategoryFamily, Asset, Liability, AccountFamily
+from account.schemas import AccountBaseId

 class Account(AccountBaseId, table=True):
+    parent_account: Optional["Account"] = Relationship(
+        back_populates="children_accounts",
+        sa_relationship_kwargs=dict(remote_side='Account.id')
+    )
+    children_accounts: list["Account"] = Relationship(back_populates='parent_account')
+    transaction_splits: list["Split"] = Relationship(back_populates='account')

-    @classmethod
-    def create(cls, account, session):
-        account_db = cls.model_validate(account)
-        session.add(account_db)
-        session.commit()
-        session.refresh(account_db)
+    def is_category(self):
+        return self.family in [v.value for v in CategoryFamily]

-        return account_db
+    def get_child_path(self, child):
+        return f"{self.path}{child.name}/"

-    @classmethod
-    def list(cls):
-        return select(Account)
+    def get_root_path(self):
+        root = "/Categories" if self.is_category() else "/Accounts"
+        return f"{root}/{self.family}/{self.name}/"

-    @classmethod
-    def get(cls, session, account_id):
-        return session.get(Account, account_id)
+    def compute_path(self):
+        if self.parent_account is None:
+            self.path = self.get_root_path()
+        else:
+            self.path = self.parent_account.get_child_path(self)
+        return self.path

-    @classmethod
-    def update(cls, session, account_db, account_data):
-        account_db.sqlmodel_update(account_data)
-        session.add(account_db)
-        session.commit()
-        session.refresh(account_db)
-        return account_db
-
-    @classmethod
-    def delete(cls, session, account):
-        session.delete(account)
-        session.commit()
-
-class AccountRead(AccountBaseId):
-    pass
-
-class AccountWrite(AccountBase):
-    pass
-
-class AccountCreate(AccountWrite):
-    pass
-
-class AccountUpdate(AccountWrite):
-    pass
+    def compute_family(self):
+        if self.type in Asset:
+            self.family = AccountFamily.Asset.value
+        elif self.type in Liability:
+            self.family = AccountFamily.Liability.value
+        else:
+            self.family = self.type
+        return self.family
--- a/api/app/account/resource.py
+++ b/api/app/account/resource.py
@@ -0,0 +1,212 @@
+from datetime import date
+
+from sqlalchemy import and_
+from sqlalchemy.orm import aliased
+from sqlmodel import select
+
+from account.models import Account
+from account.schemas import OpeningTransaction
+from transaction.models import Split, Transaction
+from transaction.resource import TransactionResource
+
+
+class AccountResource:
+    @classmethod
+    def get_by_path(cls, session, path):
+        if not path:
+            return None
+
+        return session.exec(select(Account).where(Account.path == path)).first()
+
+    @classmethod
+    def get_parent(cls, session, model):
+        if model.parent_account_id is None:
+            return None
+
+        model.parent_account = cls.get(session, model.parent_account_id)
+        return model.parent_account
+
+    @classmethod
+    def create_opening_transaction(cls, session, account, schema):
+        equity_account = cls.get_by_path(session, "/Equity/")
+        t = Transaction()
+        t.transaction_date = schema.opening_date
+        t.sequence = TransactionResource.get_sequence_number(session)
+        split_opening = Split()
+        split_opening.id = 0
+        split_opening.transaction = t
+        split_opening.account = account
+        split_opening.amount = schema.opening_balance
+
+        split_equity = Split()
+        split_equity.id = 1
+        split_equity.transaction = t
+        split_equity.account = equity_account
+        split_equity.amount = - schema.opening_balance
+
+        account.transaction_splits.append(split_opening)
+
+    @classmethod
+    def fetch_opening_transaction(cls, session, account_id):
+        split_account = aliased(Split)
+        split_equity = aliased(Split)
+        account_equity = aliased(Account)
+
+        return session.execute(select(Transaction)
+                                   .join(split_account, and_(split_account.transaction_id == Transaction.id, split_account.account_id == account_id))
+                                   .join(split_equity, split_equity.transaction_id == Transaction.id)
+                                   .join(account_equity, and_(account_equity.id == split_equity.account_id, account_equity.path == "/Equity/"))
+                               ).first()[0]
+
+    @classmethod
+    def get_opening_transaction(cls, session, account_id):
+        transaction = cls.fetch_opening_transaction(session, account_id)
+
+        if transaction is None:
+            return None
+
+        return OpeningTransaction(
+            opening_date=transaction.transaction_date,
+            opening_balance=transaction.splits[0].amount
+        )
+
+    @classmethod
+    def update_opening_transaction(cls, session, account, schema):
+        opening_transaction = cls.fetch_opening_transaction(session, account.id)
+
+        stmt = select(Transaction).join(Split) \
+          .where(Transaction.id != opening_transaction.id) \
+          .where(Split.account_id == account.id) \
+          .order_by(Transaction.transaction_date.asc())
+
+        first_transaction = session.exec(stmt).first()
+        if first_transaction and schema.opening_date > first_transaction[0].transaction_date:
+            raise ValueError("Account opening date is posterior to its first transaction date")
+
+        opening_transaction = cls.fetch_opening_transaction(session, account.id)
+        opening_transaction.transaction_date = schema.opening_date
+        opening_transaction.splits[0].amount = schema.opening_balance
+        opening_transaction.splits[1].amount = - schema.opening_balance
+
+        session.commit()
+        session.refresh(opening_transaction)
+
+        return OpeningTransaction(
+            opening_date=opening_transaction.transaction_date,
+            opening_balance=opening_transaction.splits[0].amount
+        )
+
+    @classmethod
+    def schema_to_model(cls, session, schema, model=None):
+        try:
+            if model:
+                model = Account.model_validate(model, update=schema)
+            else:
+                schema.path = ""
+                schema.family = ""
+                model = Account.model_validate(schema)
+                cls.create_opening_transaction(session, model, schema)
+        except Exception as e:
+            print(e)
+            raise
+
+        model.compute_family()
+        cls.validate_parent(session, model)
+        model.compute_path()
+
+        return model
+
+    @classmethod
+    def validate_parent(cls, session, model):
+        if model.parent_account_id is None:
+            return True
+
+        parent = cls.get_parent(session, model)
+        if not parent:
+            raise KeyError("Parent account not found.")
+
+        if parent.family != model.family:
+            raise ValueError("Account family mismatch with parent account..")
+
+        if model.path and parent.path.startswith(model.path):
+            raise ValueError("Parent Account is descendant")
+
+        model.parent_account = parent
+        return model
+
+    @classmethod
+    def create(cls, account, session):
+        account_db = cls.schema_to_model(session, account)
+        session.add(account_db)
+        session.flush()
+        session.refresh(account_db)
+
+        session.commit()
+        session.refresh(account_db)
+
+        return account_db
+
+    @classmethod
+    def create_equity_account(cls, session):
+        if cls.get_by_path(session, "/Equity/") is None:
+            account_db = Account(name="Equity", family="Equity", type="Equity", path="/Equity/")
+            session.add(account_db)
+            session.commit()
+
+    @classmethod
+    def select(cls):
+        return select(Account)
+
+    @classmethod
+    def list(cls, filters):
+        return filters.sort(filters.filter(
+            cls.select()
+        ))
+
+    @classmethod
+    def list_accounts(cls, filters):
+        return cls.list(filters).where(
+            Account.family.in_(["Asset", "Liability"])
+        )
+
+    @classmethod
+    def list_assets(cls, filters):
+        return cls.list(filters).where(Account.family == "Asset")
+
+    @classmethod
+    def list_liabilities(cls, filters):
+        return cls.list(filters).where(Account.family == "Liability")
+
+    @classmethod
+    def list_categories(cls, filters):
+        return cls.list(filters).where(
+            Account.type.in_(["Expense", "Income"])
+        )
+
+    @classmethod
+    def list_expenses(cls, filters):
+        return cls.list(filters).where(Account.family == "Expense")
+
+    @classmethod
+    def list_incomes(cls, filters):
+        return cls.list(filters).where(Account.family == "Income")
+
+    @classmethod
+    def get(cls, session, account_id):
+        return session.exec(cls.select().where(Account.id == account_id)).first()
+
+    @classmethod
+    def update(cls, session, account_db, account_data):
+        previous_path = account_db.path
+        account_db.sqlmodel_update(cls.schema_to_model(session, account_data, account_db))
+        if previous_path != account_db.path or account_data['name'] != account_db.name:
+            account_db.update_children_path(session, previous_path)
+        session.add(account_db)
+        session.commit()
+        session.refresh(account_db)
+        return account_db
+
+    @classmethod
+    def delete(cls, session, account):
+        session.delete(account)
+        session.commit()
--- a/api/app/account/routes.py
+++ b/api/app/account/routes.py
@@ -1,46 +0,0 @@
-from uuid import UUID
-
-from fastapi import APIRouter, HTTPException, Depends
-from fastapi_pagination import Page
-from fastapi_pagination.ext.sqlmodel import paginate
-
-from account.models import Account, AccountCreate, AccountRead, AccountUpdate
-from db import SessionDep
-from user.manager import get_current_user
-
-router = APIRouter()
-
-@router.post("")
-def create_account(account: AccountCreate, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
-    result = Account.create(account, session)
-    return result
-
-@router.get("")
-def read_accounts(session: SessionDep, current_user=Depends(get_current_user)) -> Page[AccountRead]:
-    return paginate(session, Account.list())
-
-@router.get("/{account_id}")
-def read_account(account_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
-    account = Account.get(session, account_id)
-    if not account:
-        raise HTTPException(status_code=404, detail="Account not found")
-    return account
-
-@router.put("/{account_id}")
-def update_account(account_id: UUID, account: AccountUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> AccountRead:
-    db_account = Account.get(session, account_id)
-    if not db_account:
-        raise HTTPException(status_code=404, detail="Account not found")
-
-    account_data = account.model_dump(exclude_unset=True)
-    account = Account.update(session, db_account, account_data)
-    return account
-
-@router.delete("/{account_id}")
-def delete_account(account_id: UUID, session: SessionDep, current_user=Depends(get_current_user)):
-    account = Account.get(session, account_id)
-    if not account:
-        raise HTTPException(status_code=404, detail="Account not found")
-
-    Account.delete(session, account)
-    return {"ok": True}
--- a/api/app/account/schemas.py
+++ b/api/app/account/schemas.py
@@ -0,0 +1,76 @@
+from datetime import date
+from decimal import Decimal
+from typing import Optional
+from uuid import UUID, uuid4
+
+from sqlmodel import Field, SQLModel
+from pydantic import Field as PydField, BaseModel
+from pydantic.json_schema import SkipJsonSchema
+
+from account.enums import Asset, Liability, CategoryFamily
+from core.types import MonetaryAmount
+
+class AccountBase(SQLModel):
+    name: str = Field(index=True)
+    parent_account_id: Optional[UUID] = Field(default=None, foreign_key="account.id")
+
+class AccountBaseId(AccountBase):
+    id: UUID | None = Field(default_factory=uuid4, primary_key=True)
+    family: str = Field(index=True)
+    type: str = Field(index=True)
+    path: str = Field(index=True)
+
+class AccountRead(AccountBaseId):
+    pass
+
+class BaseAccountWrite(AccountBase):
+    path: SkipJsonSchema[str] = Field(default="")
+    family: SkipJsonSchema[str] = Field(default="")
+
+class AccountWrite(BaseAccountWrite):
+    type: Asset | Liability = Field()
+    parent_account_id: UUID | None = PydField(default=None, json_schema_extra={
+        "foreign_key": {
+            "reference": {
+                "resource": "accounts",
+                "schema": "AccountRead",
+                "label": "name"
+            }
+        }
+    })
+
+class AccountCreate(AccountWrite):
+    opening_date: date = Field()
+    opening_balance: MonetaryAmount = Field()
+
+class AccountUpdate(AccountWrite):
+    pass
+
+class CategoryRead(AccountBaseId):
+    pass
+
+class CategoryWrite(BaseAccountWrite):
+    type: CategoryFamily = Field()
+    parent_account_id: UUID | None = PydField(default=None, json_schema_extra={
+        "foreign_key": {
+            "reference": {
+                "resource": "categories",
+                "schema": "CategoryRead",
+                "label": "name"
+            }
+        }
+    })
+
+class CategoryCreate(CategoryWrite):
+    opening_date: SkipJsonSchema[date] = Field(default=date(1970, 1, 1))
+    opening_balance: SkipJsonSchema[Decimal] = Field(default=0)
+
+class CategoryUpdate(CategoryWrite):
+    pass
+
+class OpeningTransaction(BaseModel):
+    opening_date: date = Field()
+    opening_balance: MonetaryAmount = Field(default=0)
+
+class OpeningTransactionUpdate(OpeningTransaction):
+    pass
--- a/api/app/core/init.py
+++ b/api/app/core/init.py
--- a/api/app/core/types.py
+++ b/api/app/core/types.py
@@ -0,0 +1,45 @@
+from dataclasses import dataclass
+from decimal import Decimal
+from typing import Any
+
+from pydantic import GetCoreSchemaHandler, GetJsonSchemaHandler
+from pydantic_core import core_schema
+from pydantic.json_schema import JsonSchemaValue
+
+@dataclass
+class MonetaryAmount:
+    @classmethod
+    def __get_pydantic_json_schema__(
+            cls, schema: core_schema.CoreSchema, handler: GetJsonSchemaHandler
+    ) -> JsonSchemaValue:
+        json_schema = handler(schema)
+        if "anyOf" in json_schema:
+            for key, value in json_schema["anyOf"][0].items():
+                json_schema[key] = value
+            del json_schema["anyOf"]
+
+        json_schema["format"] = "monetary"
+
+        return json_schema
+
+    @classmethod
+    def __get_pydantic_core_schema__(
+            cls, source: type[Any], handler: GetCoreSchemaHandler
+    ) -> core_schema.CoreSchema:
+        assert source is MonetaryAmount
+
+        return core_schema.decimal_schema(multiple_of=0.01)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+    @staticmethod
+    def _validate(value: Decimal) -> 'MonetaryAmount':
+        if value.as_tuple()[2] < -2:
+            raise ValueError(f'{value} has more than two decimal places.')
+
+        return value
+
+    @staticmethod
+    def _serialize(value: 'MonetaryAmount') -> str:
+        return value.amount
--- a/api/app/db.py
+++ b/api/app/db.py
@@ -14,6 +14,9 @@ engine = create_engine(sqlite_url, connect_args=connect_args)
 def create_db_and_tables():
    SQLModel.metadata.create_all(engine)

+def drop_tables():
+    SQLModel.metadata.drop_all(engine)
+
 def get_session() -> Session:
    with Session(engine) as session:
        yield session
--- a/api/app/initialize_db.py
+++ b/api/app/initialize_db.py
@@ -0,0 +1,18 @@
+import main
+
+from account.resource import AccountResource
+from account.fixtures import inject_fixtures as account_inject_fixtures
+from payee.fixtures import inject_fixtures as payee_inject_fixtures
+from transaction.fixtures import inject_fixtures as transaction_inject_fixtures
+from db import create_db_and_tables, get_session, drop_tables
+from user import create_admin_user
+
+drop_tables()
+create_db_and_tables()
+
+session = get_session().__next__()
+create_admin_user(session)
+AccountResource.create_equity_account(session)
+account_inject_fixtures(session)
+payee_inject_fixtures(session)
+transaction_inject_fixtures(session)
--- a/api/app/ledger/init.py
+++ b/api/app/ledger/init.py
--- a/api/app/ledger/resource.py
+++ b/api/app/ledger/resource.py
@@ -0,0 +1,26 @@
+from sqlalchemy import and_, select, func
+from sqlalchemy.orm import aliased
+
+from transaction.models import Split, Transaction
+
+class LedgerResource:
+    @classmethod
+    def get_ledger(cls, account_id, filters):
+        split_account = aliased(Split)
+        split_balance = aliased(Split)
+        transaction_balance = aliased(Transaction)
+
+        balance_stmt = select(func.sum(split_balance.amount)) \
+            .join(transaction_balance) \
+            .where(and_(
+                split_balance.account_id == split_account.account_id,
+                transaction_balance.sequence <= Transaction.sequence)
+            ).scalar_subquery()
+
+        stmt = select(Transaction,split_account,balance_stmt.label('balance')) \
+            .join(
+                split_account,
+                and_(Transaction.id == split_account.transaction_id, split_account.account_id == account_id)
+            )
+
+        return filters.filter(stmt)
--- a/api/app/ledger/routes.py
+++ b/api/app/ledger/routes.py
@@ -0,0 +1,31 @@
+from uuid import UUID
+
+from fastapi import APIRouter, Depends
+from fastapi_filter import FilterDepends
+from fastapi_filter.contrib.sqlalchemy import Filter
+from fastapi_pagination import Page
+from fastapi_pagination.ext.sqlalchemy import paginate
+from fastapi_pagination.utils import disable_installed_extensions_check
+
+from db import SessionDep
+from ledger.resource import LedgerResource
+from ledger.schema import TransactionLedgerRead
+from transaction.models import Transaction
+from user.manager import get_current_user
+
+router = APIRouter()
+
+class LedgerFilters(Filter):
+
+    class Constants(Filter.Constants):
+        model = Transaction
+        search_model_fields = ["id", "sequence"]
+disable_installed_extensions_check()
+
+@router.get("/{account_id}")
+def read_ledger(account_id: UUID, session: SessionDep, filters: LedgerFilters = FilterDepends(LedgerFilters), current_user=Depends(get_current_user)) -> Page[TransactionLedgerRead]:
+    return paginate(
+        session,
+        LedgerResource.get_ledger(account_id, filters),
+        transformer=lambda items: [TransactionLedgerRead(transaction=transaction, account_split=split, balance=balance) for transaction, split, balance in items],
+    )
--- a/api/app/ledger/schema.py
+++ b/api/app/ledger/schema.py
@@ -0,0 +1,10 @@
+import decimal
+
+from pydantic import BaseModel, Field
+
+from transaction.models import TransactionRead, SplitRead
+
+class TransactionLedgerRead(BaseModel):
+    transaction: TransactionRead = Field()
+    account_split: SplitRead = Field()
+    balance: decimal.Decimal = Field()
--- a/api/app/main.py
+++ b/api/app/main.py
@@ -5,18 +5,18 @@ from fastapi.security import OAuth2PasswordBearer
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi_pagination import add_pagination

-
 from db import create_db_and_tables
-from user import user_router, auth_router, create_admin_account
-from account.routes import router as account_router
+from user import user_router, auth_router, create_admin_user
+from account.account_routes import router as account_router
+from account.category_routes import router as category_router
+from ledger.routes import router as ledger_router
 from payee.routes import router as payee_router
 from transaction.routes import router as transaction_router

-
@asynccontextmanager
 async def lifespan(app: FastAPI):
    create_db_and_tables()
-    create_admin_account()
+    create_admin_user()
    yield
    #do something before end

@@ -39,6 +39,8 @@ app.add_middleware(
 app.include_router(auth_router, prefix="/auth", tags=["auth"], )
 app.include_router(user_router, prefix="/users", tags=["users"])
 app.include_router(account_router, prefix="/accounts", tags=["accounts"])
+app.include_router(category_router, prefix="/categories", tags=["categories"])
+app.include_router(ledger_router, prefix="/ledgers", tags=["ledgers"])
 app.include_router(payee_router, prefix="/payees", tags=["payees"])
 app.include_router(transaction_router, prefix="/transactions", tags=["transactions"])

--- a/api/app/payee/fixtures.py
+++ b/api/app/payee/fixtures.py
@@ -0,0 +1,94 @@
+from datetime import date
+from decimal import Decimal
+
+from account.resource import AccountResource
+from account.schemas import AccountCreate, CategoryCreate
+from payee.models import PayeeCreate, Payee
+
+
+def inject_fixtures(session):
+    for f in fixtures_payee:
+        # f = prepare_dict(session, f)
+        schema = PayeeCreate(**f)
+        Payee.create(schema, session)
+
+def prepare_dict(session, entry):
+    if entry['parent_path']:
+        parent = AccountResource.get_by_path(session, entry['parent_path'])
+        entry['parent_account_id'] = parent.id
+    else:
+        entry['parent_account_id'] = None
+    del entry['parent_path']
+    return entry
+
+fixtures_payee = [
+    {
+        "name": "PayeeEmployer",
+    },
+    {
+        "name": "PayeeSocialSecurity",
+    },
+    {
+        "name": "PayeeAssurance1",
+    },
+    {
+        "name": "PayeeAssurance2",
+    },
+    {
+        "name": "PayeeSupermarket1",
+    },
+    {
+        "name": "PayeeSupermarket2",
+    },
+    {
+        "name": "PayeeTaxes",
+    },
+    {
+        "name": "PayeeRent",
+    },
+]
+
+fixtures_account = [
+    {
+      "name": "Current Assets",
+      "parent_path": None,
+      "type": "Asset",
+      "opening_date": date(1970, 1, 2),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Cash in Wallet",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 3),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Checking Account",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 4),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Savings Account",
+      "parent_path": "/Accounts/Asset/Current Assets/",
+      "type": "Asset",
+      "opening_date": date(1970, 1, 5),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Debt Accounts",
+      "parent_path": None,
+      "type": "Liability",
+      "opening_date": date(1970, 1, 6),
+      "opening_balance": Decimal("0.00"),
+    },
+    {
+      "name": "Credit Card",
+      "parent_path": "/Accounts/Liability/Debt Accounts/",
+      "type": "Liability",
+      "opening_date": date(1970, 1, 7),
+      "opening_balance": Decimal("0.00"),
+    },
+]
--- a/api/app/payee/models.py
+++ b/api/app/payee/models.py
@@ -5,7 +5,8 @@ from fastapi_filter.contrib.sqlalchemy import Filter
 from sqlmodel import Field, SQLModel, select, Relationship
 from pydantic import Field as PydField

-from account.models import Account, AccountRead
+from account.models import Account
+from account.schemas import AccountRead


 class PayeeBase(SQLModel):
@@ -16,7 +17,7 @@ class PayeeBaseId(PayeeBase):
    id: UUID | None = Field(default_factory=uuid4, primary_key=True)

 class Payee(PayeeBaseId, table=True):
-    default_account: Account | None = Relationship()
+    default_account: Optional[Account] = Relationship()

    @classmethod
    def create(cls, payee, session):
@@ -29,7 +30,7 @@ class Payee(PayeeBaseId, table=True):

    @classmethod
    def list(cls, filters):
-        return filters.filter(select(cls)).join(Account)
+        return filters.filter(select(cls)).join(Account, isouter=True)

    @classmethod
    def get(cls, session, payee_id):
@@ -37,7 +38,7 @@ class Payee(PayeeBaseId, table=True):

    @classmethod
    def update(cls, session, payee_db, payee_data):
-        payee_db.sqlmodel_update(payee_data)
+        payee_db.sqlmodel_update(cls.model_validate(payee_data))
        session.add(payee_db)
        session.commit()
        session.refresh(payee_db)
@@ -49,7 +50,7 @@ class Payee(PayeeBaseId, table=True):
        session.commit()

 class PayeeRead(PayeeBaseId):
-    default_account: AccountRead
+    default_account: AccountRead | None = PydField(default=None)

 class PayeeWrite(PayeeBase):
    default_account_id: UUID = PydField(default=None, json_schema_extra={
--- a/api/app/payee/routes.py
+++ b/api/app/payee/routes.py
@@ -17,7 +17,7 @@ def create_payee(payee: PayeeCreate, session: SessionDep, current_user=Depends(g
    return Payee.get(session, result.id)

@router.get("")
-def read_categories(session: SessionDep,
+def read_payees(session: SessionDep,
                    filters: PayeeFilters = FilterDepends(PayeeFilters),
                    current_user=Depends(get_current_user)) -> Page[PayeeRead]:
    return paginate(session, Payee.list(filters))
--- a/api/app/transaction/fixtures.py
+++ b/api/app/transaction/fixtures.py
@@ -0,0 +1,36 @@
+import random
+from datetime import date, timedelta
+
+from account.resource import AccountResource
+from transaction.models import TransactionCreate, Split
+from transaction.resource import TransactionResource
+
+
+def inject_fixtures(session):
+    for f in fixtures_transaction:
+        for i in range(f["count"]):
+            data = prepare_dict(session, f, i)
+            schema = TransactionCreate(**data)
+            schema.splits.append(Split(**data))
+            TransactionResource.create(session, schema)
+
+def prepare_dict(session, entry, iteration):
+    account = AccountResource.get_by_path(session, entry['account_path'])
+    result = entry.copy()
+
+    result["account_id"] = account.id
+    result["payee_id"] = None
+    result["splits"] = []
+    result["transaction_date"] = entry["start_date"] + timedelta(days=(iteration / 2))
+    result["amount"] = [10, 100, 1000][random.Random().randint(0,2)] * [1, -1][random.Random().randint(0,1)]
+    result["id"] = 0
+
+    return result
+
+fixtures_transaction = [
+    {
+        "account_path": "/Accounts/Asset/Current Assets/Checking Account/",
+        "start_date": date(1970, 1, 5),
+        "count": 200
+    },
+]
--- a/api/app/transaction/models.py
+++ b/api/app/transaction/models.py
@@ -1,55 +1,30 @@
+from datetime import date
 from decimal import Decimal
+from typing import Optional
 from uuid import UUID, uuid4

-from sqlmodel import Field, SQLModel, select, Relationship
+from sqlmodel import Field, SQLModel, Relationship
 from pydantic import Field as PydField

-from account.models import Account, AccountRead
+from account.models import Account
+from account.schemas import AccountRead
 from payee.models import Payee, PayeeRead


 class TransactionBase(SQLModel):
-    pass
+    transaction_date: date = Field()
+    payment_date: Optional[date] = Field(default=None)

 class TransactionBaseId(TransactionBase):
    id: UUID | None = Field(default_factory=uuid4, primary_key=True)

 class Transaction(TransactionBaseId, table=True):
    splits: list["Split"] = Relationship(back_populates="transaction")
-
-    @classmethod
-    def create(cls, transaction, session):
-        transaction_db = cls.model_validate(transaction)
-        session.add(transaction_db)
-        session.commit()
-        session.refresh(transaction_db)
-
-        return transaction_db
-
-    @classmethod
-    def list(cls):
-        return select(Transaction).join(Split).join(Account)
-
-    @classmethod
-    def get(cls, session, transaction_id):
-        return session.get(Transaction, transaction_id)
-
-    @classmethod
-    def update(cls, session, transaction_db, transaction_data):
-        transaction_db.sqlmodel_update(transaction_data)
-        session.add(transaction_db)
-        session.commit()
-        session.refresh(transaction_db)
-        return transaction_db
-
-    @classmethod
-    def delete(cls, session, transaction):
-        session.delete(transaction)
-        session.commit()
+    sequence: Optional[int] = Field(default=None)

 class SplitBase(SQLModel):
    account_id: UUID = Field(foreign_key="account.id")
-    payee_id: UUID = Field(foreign_key="payee.id")
+    payee_id: Optional[UUID] = Field(foreign_key="payee.id")
    amount: Decimal = Field(decimal_places=2)

 class SplitBaseId(SplitBase):
@@ -58,7 +33,7 @@ class SplitBaseId(SplitBase):

 class SplitRead(SplitBaseId):
    account: AccountRead
-    payee: PayeeRead
+    payee: PayeeRead | None

 class TransactionRead(TransactionBaseId):
    splits: list[SplitRead]
@@ -73,7 +48,7 @@ class SplitWrite(SplitBase):
            }
        }
    })
-    payee_id: UUID = PydField(json_schema_extra={
+    payee_id: UUID | None = PydField(json_schema_extra={
        "foreign_key": {
            "reference": {
                "resource": "payees",
@@ -95,7 +70,7 @@ class TransactionUpdate(TransactionWrite):

 class Split(SplitBaseId, table=True):
    transaction: Transaction = Relationship(back_populates="splits")
-    account: Account | None = Relationship()
+    account: Account | None = Relationship(back_populates="transaction_splits")
    payee: Payee | None = Relationship()

    @classmethod
--- a/api/app/transaction/resource.py
+++ b/api/app/transaction/resource.py
@@ -0,0 +1,44 @@
+from sqlmodel import select, func
+
+from account.models import Account
+from transaction.models import Transaction, Split
+
+class TransactionResource:
+    @classmethod
+    def get_sequence_number(cls, session):
+        stmt = select(func.max(Transaction.sequence)).select_from(Transaction)
+
+        sequence = session.execute(stmt).first()
+
+        return sequence[0] + 1 if sequence[0] else 1
+
+    @classmethod
+    def create(cls, session, transaction):
+        transaction_db = Transaction.model_validate(transaction)
+        transaction_db.sequence = cls.get_sequence_number(session)
+        session.add(transaction_db)
+        session.commit()
+        session.refresh(transaction_db)
+
+        return transaction_db
+
+    @classmethod
+    def list(cls):
+        return select(Transaction).join(Split).join(Account)
+
+    @classmethod
+    def get(cls, session, transaction_id):
+        return session.get(Transaction, transaction_id)
+
+    @classmethod
+    def update(cls, session, transaction_db, transaction_data):
+        transaction_db.sqlmodel_update(Transaction.model_validate(transaction_data))
+        session.add(transaction_db)
+        session.commit()
+        session.refresh(transaction_db)
+        return transaction_db
+
+    @classmethod
+    def delete(cls, session, transaction):
+        session.delete(transaction)
+        session.commit()
--- a/api/app/transaction/routes.py
+++ b/api/app/transaction/routes.py
@@ -4,43 +4,44 @@ from fastapi import APIRouter, HTTPException, Depends
 from fastapi_pagination import Page
 from fastapi_pagination.ext.sqlmodel import paginate

-from transaction.models import Transaction, TransactionCreate, TransactionRead, TransactionUpdate
 from db import SessionDep
+from transaction.models import TransactionCreate, TransactionRead, TransactionUpdate
+from transaction.resource import TransactionResource
 from user.manager import get_current_user

 router = APIRouter()

@router.post("")
 def create_transaction(transaction: TransactionCreate, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
-    result = Transaction.create(transaction, session)
+    result = TransactionResource.create(transaction, session)
    return result

@router.get("")
 def read_transactions(session: SessionDep, current_user=Depends(get_current_user)) -> Page[TransactionRead]:
-    return paginate(session, Transaction.list())
+    return paginate(session, TransactionResource.list())

@router.get("/{transaction_id}")
 def read_transaction(transaction_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
-    transaction = Transaction.get(session, transaction_id)
+    transaction = TransactionResource.get(session, transaction_id)
    if not transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")
    return transaction

@router.put("/{transaction_id}")
 def update_transaction(transaction_id: UUID, transaction: TransactionUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
-    db_transaction = Transaction.get(session, transaction_id)
+    db_transaction = TransactionResource.get(session, transaction_id)
    if not db_transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")

    transaction_data = transaction.model_dump(exclude_unset=True)
-    transaction = Transaction.update(session, db_transaction, transaction_data)
+    transaction = TransactionResource.update(session, db_transaction, transaction_data)
    return transaction

@router.delete("/{transaction_id}")
 def delete_transaction(transaction_id: UUID, session: SessionDep, current_user=Depends(get_current_user)):
-    transaction = Transaction.get(session, transaction_id)
+    transaction = TransactionResource.get(session, transaction_id)
    if not transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")

-    Transaction.delete(session, transaction)
+    TransactionResource.delete(session, transaction)
    return {"ok": True}
--- a/api/app/user/init.py
+++ b/api/app/user/init.py
@@ -1,4 +1,4 @@
-from .manager import auth_router, reset_password_router, create_admin_account
+from .manager import auth_router, reset_password_router, create_admin_user
 from .routes import router as user_router

 user_router.include_router(reset_password_router)
--- a/api/app/user/manager.py
+++ b/api/app/user/manager.py
@@ -2,11 +2,11 @@ import uuid

 from sqlmodel import select
 from fastapi import Depends
-from fastapi_users import BaseUserManager, FastAPIUsers, UUIDIDMixin, models, exceptions, schemas
+from fastapi_users import BaseUserManager, FastAPIUsers, UUIDIDMixin
 from fastapi_users.authentication import BearerTransport, AuthenticationBackend
 from fastapi_users.authentication.strategy.db import AccessTokenDatabase, DatabaseStrategy

-from user.models import User, get_user_db, AccessToken, get_access_token_db, UserRead, UserUpdate, UserCreate
+from user.models import User, get_user_db, AccessToken, get_access_token_db
 from db import get_session

 SECRET = "SECRET"
@@ -17,7 +17,6 @@ bearer_transport = BearerTransport(tokenUrl="auth/login")
 class UserManager(UUIDIDMixin, BaseUserManager[User, uuid.UUID]):
    pass

-
 async def get_user_manager(user_db=Depends(get_user_db)) -> UserManager:
    yield UserManager(user_db)

@@ -37,20 +36,14 @@ fastapi_users = FastAPIUsers[User, uuid.UUID](
    [auth_backend],
 )

-
 get_current_user = fastapi_users.current_user(active=True)
 get_current_superuser = fastapi_users.current_user(active=True, superuser=True)

-
-#user_router = fastapi_users.get_users_router(UserRead, UserUpdate)
-#user_router.include_router(fastapi_users.get_reset_password_router())
-
 reset_password_router = fastapi_users.get_reset_password_router()
 auth_router = fastapi_users.get_auth_router(auth_backend)


-def create_admin_account():
-    session = get_session().__next__()
+def create_admin_user(session=get_session().__next__()):
    admin_email = 'root@root.fr'
    statement = select(User).where(User.email == admin_email).limit(1)
    admin_user = session.exec(statement).first()
--- a/gui/app/src/App.tsx
+++ b/gui/app/src/App.tsx
@@ -25,8 +25,10 @@ import { useFormContext } from "react-hook-form";

 import { PostList, PostCreate, PostEdit } from "./pages/posts";
 import { AccountList, AccountCreate, AccountEdit } from "./pages/accounts";
+import { CategoryList, CategoryCreate, CategoryEdit } from "./pages/categories";
 import { PayeeCreate, PayeeEdit, PayeeList } from "./pages/payees";
 import { TransactionCreate, TransactionEdit, TransactionList } from "./pages/transactions";
+import {AccountLedger} from "./pages/accounts/ledger";

 /**
 *  mock auth credentials to simulate authentication
@@ -81,6 +83,12 @@ const App: React.FC = () => {
                edit: "/accounts/edit/:id",
                create: "/accounts/create",
              },
+              {
+                name: "categories",
+                list: "/categories",
+                edit: "/categories/edit/:id",
+                create: "/categories/create",
+              },
              {
                name: "payees",
                list: "/payees",
@@ -128,6 +136,12 @@ const App: React.FC = () => {
                  <Route index element={<AccountList />} />
                  <Route path="create" element={<AccountCreate />} />
                  <Route path="edit/:id" element={<AccountEdit />} />
+                  <Route path="ledger/:id" element={<AccountLedger />} />
+                </Route>
+                <Route path="/categories">
+                  <Route index element={<CategoryList />} />
+                  <Route path="create" element={<CategoryCreate />} />
+                  <Route path="edit/:id" element={<CategoryEdit />} />
                </Route>
                <Route path="/payees">
                  <Route index element={<PayeeList />} />
--- a/gui/app/src/common/crud/crud-form.tsx
+++ b/gui/app/src/common/crud/crud-form.tsx
@@ -1,11 +1,11 @@
 import validator from "@rjsf/validator-ajv8";
 import Form from "@rjsf/mui";
-import { RegistryWidgetsType } from "@rjsf/utils";
+import {RegistryFieldsType, RegistryWidgetsType} from "@rjsf/utils";
 import { useEffect, useState } from "react";
 import { jsonschemaProvider } from "../../providers/jsonschema-provider";
 import { useForm } from "@refinedev/core";
-//import TextWidget from "@rjsf/core/src/components/widgets/TextWidget";
 import CrudTextWidget from "./widgets/crud-text-widget";
+import UnionEnumField from "./fields/union-enum";

 type Props = {
    schemaName: string,
@@ -14,7 +14,13 @@ type Props = {
    //onSubmit: (data: IChangeEvent, event: FormEvent<any>) => void
 }

-const customWidgets: RegistryWidgetsType = { TextWidget: CrudTextWidget };
+const customWidgets: RegistryWidgetsType = {
+  TextWidget: CrudTextWidget
+};
+
+const customFields: RegistryFieldsType = {
+  AnyOfField: UnionEnumField
+}

 export const CrudForm: React.FC<Props> = ({schemaName, resource, id}) => {
  const { onFinish, query, formLoading } = useForm({
@@ -53,6 +59,7 @@ export const CrudForm: React.FC<Props> = ({schemaName, resource, id}) => {
      validator={validator}
      omitExtraData={true}
      widgets={customWidgets}
+      fields={customFields}
    />
  )
 }
--- a/gui/app/src/common/crud/fields/union-enum.tsx
+++ b/gui/app/src/common/crud/fields/union-enum.tsx
@@ -0,0 +1,93 @@
+import { ERRORS_KEY, FieldProps, getUiOptions } from "@rjsf/utils";
+import AnyOfField from "@rjsf/core/lib/components/fields/MultiSchemaField";
+import { UnionEnumWidget } from "../widgets/union-enum";
+import get from 'lodash/get';
+import isEmpty from 'lodash/isEmpty';
+import omit from 'lodash/omit';
+
+const UnionEnumField = (props: FieldProps) => {
+  const {
+    name,
+    disabled = false,
+    errorSchema = {},
+    formContext,
+    formData,
+    onChange,
+    onBlur,
+    onFocus,
+    registry,
+    schema,
+    uiSchema,
+    options,
+    idSchema,
+  } = props;
+
+  const enumOptions: any[] = []
+
+  if (options.length == 2 && (options[0].type == "null" || options[1].type == "null")) {
+    const { SchemaField: _SchemaField } = registry.fields;
+
+    let opt_schema = {...schema}
+    delete(opt_schema.anyOf)
+
+    if (options[0].type == "null") {
+      opt_schema = {...opt_schema, ...options[1]}
+    } else if (options[1].type == "null") {
+      opt_schema = {...opt_schema, ...options[0]}
+    }
+    return <_SchemaField {...props} schema={opt_schema} uiSchema={uiSchema} />
+  }
+
+  for (let opt of options) {
+    if (!opt.hasOwnProperty('enum')) {
+      return (<AnyOfField {...props} />)
+    }
+    for (let val of opt.enum) {
+      enumOptions.push({
+        title: val,
+        value: val,
+        type: opt.title
+      })
+    }
+  }
+
+  const { globalUiOptions, schemaUtils } = registry;
+  const {
+    placeholder,
+    autofocus,
+    autocomplete,
+    title = schema.title,
+    ...uiOptions
+  } = getUiOptions(uiSchema, globalUiOptions);
+
+  const rawErrors = get(errorSchema, ERRORS_KEY, []);
+  const fieldErrorSchema = omit(errorSchema, [ERRORS_KEY]);
+  const displayLabel = schemaUtils.getDisplayLabel(schema, uiSchema, globalUiOptions);
+
+  return (
+    <UnionEnumWidget
+      id={`${idSchema.$id}${schema.oneOf ? '__oneof_select' : '__anyof_select'}`}
+      name={`${name}${schema.oneOf ? '__oneof_select' : '__anyof_select'}`}
+      schema={schema}
+      uiSchema={uiSchema}
+      onChange={onChange}
+      onBlur={onBlur}
+      onFocus={onFocus}
+      disabled={disabled || isEmpty(options)}
+      multiple={false}
+      rawErrors={rawErrors}
+      errorSchema={fieldErrorSchema}
+      value={formData}
+      options={{enumOptions}}
+      registry={registry}
+      formContext={formContext}
+      placeholder={placeholder}
+      autocomplete={autocomplete}
+      autofocus={autofocus}
+      label={title ?? name}
+      hideLabel={!displayLabel}
+    />
+  );
+}
+
+export default UnionEnumField;
--- a/gui/app/src/common/crud/widgets/bgfc-price.tsx
+++ b/gui/app/src/common/crud/widgets/bgfc-price.tsx
@@ -8,6 +8,7 @@ export const BgfcPriceWidget = (props: WidgetProps) => {

  return (
    <NumericFormat
+      {...props}
      customInput={TextField}
      getInputRef={inputRef}
      onValueChange={values => {
@@ -19,15 +20,15 @@ export const BgfcPriceWidget = (props: WidgetProps) => {
        });
      }}
      slotProps={{
-            input: {
-              startAdornment: <InputAdornment position="end">$</InputAdornment>,
-              endAdornment: <InputAdornment position="start">€</InputAdornment>
-            },
-          }}
+        input: {
+          //startAdornment: <InputAdornment position="end">$</InputAdornment>,
+          endAdornment: <InputAdornment position="start">€</InputAdornment>
+        },
+      }}
      valueIsNumericString={true}
      fixedDecimalScale={true}
      decimalScale={2}
-      defaultValue={0}
+      //defaultValue={0}
    />
  );
 }
--- a/gui/app/src/common/crud/widgets/foreign-key.tsx
+++ b/gui/app/src/common/crud/widgets/foreign-key.tsx
@@ -2,7 +2,7 @@ import { WidgetProps } from '@rjsf/utils';
 import { Autocomplete } from "@mui/material";
 import { useState, useEffect } from "react";
 import TextField from "@mui/material/TextField";
-import { useList, useOne } from "@refinedev/core";
+import {BaseRecord, useList, useOne} from "@refinedev/core";

 export const ForeignKeyWidget = (props: WidgetProps) => {
  const resource = props.schema.foreign_key.reference.resource
@@ -10,9 +10,14 @@ export const ForeignKeyWidget = (props: WidgetProps) => {

  const valueResult = useOne({
    resource: resource,
-    id: props.value
+    id: props.value != null ? props.value : undefined
  });

+  const empty_option: BaseRecord = {
+    id: null
+  }
+  empty_option[labelField] = "(None)"
+
  const [inputValue, setInputValue] = useState<string>("");
  const [selectedValue, setSelectedValue] = useState(valueResult.data?.data || null);
  const [debouncedInputValue, setDebouncedInputValue] = useState<string>(inputValue);
@@ -30,6 +35,9 @@ export const ForeignKeyWidget = (props: WidgetProps) => {
  });

  const options = listResult.data?.data || [];
+  if (! props.required) {
+    options.unshift(empty_option);
+  }
  const isLoading = listResult.isLoading || valueResult.isLoading;

  if(! selectedValue && valueResult.data) {
@@ -40,8 +48,9 @@ export const ForeignKeyWidget = (props: WidgetProps) => {
    <Autocomplete
      value={selectedValue}
      onChange={(event, newValue) => {
-        setSelectedValue(newValue)
-        props.onChange(newValue ? newValue.id : "")
+        setSelectedValue(newValue ? newValue : empty_option);
+        props.onChange(newValue ? newValue.id : null);
+        return true;
      }}
      //inputValue={inputValue}
      onInputChange={(event, newInputValue) => setInputValue(newInputValue)}
--- a/gui/app/src/common/crud/widgets/union-enum.tsx
+++ b/gui/app/src/common/crud/widgets/union-enum.tsx
@@ -0,0 +1,40 @@
+import {FieldProps, WidgetProps} from "@rjsf/utils";
+import AnyOfField from "@rjsf/core/lib/components/fields/MultiSchemaField";
+import {ListSubheader, MenuItem, Select} from "@mui/material";
+import {useState} from "react";
+import Autocomplete from "@mui/material/Autocomplete";
+import TextField from "@mui/material/TextField";
+
+export const UnionEnumWidget = (props: WidgetProps) => {
+  const {
+    options,
+    value,
+  } = props;
+  const [selectedValue, setSelectedValue] = useState(null);
+
+
+  if (! selectedValue && value && options.enumOptions) {
+    for (const opt of options.enumOptions){
+       if (opt.value == value) {
+         setSelectedValue(opt);
+         break;
+       }
+    }
+  }
+
+  return (
+    <Autocomplete
+      value={selectedValue}
+      onChange={(event, newValue) => {
+          setSelectedValue(newValue);
+          props.onChange(newValue.value);
+      }}
+      options={options.enumOptions}
+      groupBy={(option) => option.type}
+      getOptionLabel={(option) => option.title}
+      renderInput={(params) => (
+          <TextField {...params} label={ props.label } variant="outlined" />
+      )}
+    />
+  );
+}
--- a/gui/app/src/pages/accounts/edit.tsx
+++ b/gui/app/src/pages/accounts/edit.tsx
@@ -6,10 +6,17 @@ export const AccountEdit: React.FC = () => {
  const { id } = useParams()

  return (
-    <CrudForm
-      schemaName={"AccountUpdate"}
-      resource={"accounts"}
-      id={id}
-    />
+    <div>
+      <CrudForm
+        schemaName={"AccountUpdate"}
+        resource={"accounts"}
+        id={id}
+      />
+      <CrudForm
+        schemaName={"OpeningTransactionUpdate"}
+        resource={`accounts/${id}/opening_state`}
+        id=""
+      />
+    </div>
  );
 };
--- a/gui/app/src/pages/accounts/ledger.tsx
+++ b/gui/app/src/pages/accounts/ledger.tsx
@@ -0,0 +1,69 @@
+import React from "react";
+
+import Table from '@mui/material/Table';
+import TableBody from '@mui/material/TableBody';
+import TableCell from '@mui/material/TableCell';
+import TableContainer from '@mui/material/TableContainer';
+import TableHead from '@mui/material/TableHead';
+import TableRow from '@mui/material/TableRow';
+import Paper from '@mui/material/Paper';
+
+
+import { useParams } from "react-router";
+import {useList, useOne} from "@refinedev/core";
+
+
+
+export const AccountLedger: React.FC = () => {
+  const { id } = useParams()
+
+  const { data, isLoading, isError } = useList({
+    resource: `ledgers/${id}`,
+  });
+  if (isLoading) {
+      return <div>Loading</div>
+  }
+  return (
+      <TableContainer component={Paper}>
+      <Table sx={{ minWidth: 650 }} aria-label="simple table">
+        <TableHead>
+          <TableRow>
+            <TableCell></TableCell>
+            <TableCell align="right">Date</TableCell>
+            <TableCell align="right">Deposit</TableCell>
+            <TableCell align="right">Payment</TableCell>
+            <TableCell align="right">Balance</TableCell>
+          </TableRow>
+        </TableHead>
+        <TableBody>
+          {data?.data.map((row: any) => {
+            const is_expense: boolean = row.account_split.amount < 0
+            const destination_accounts = []
+            for (const split of row.transaction.splits) {
+              if ((is_expense && split.amount >= 0) || (!is_expense && split.amount < 0)) {
+                destination_accounts.push(split)
+              }
+            }
+            let is_split = false;
+            if (destination_accounts) {
+                if (destination_accounts.length > 1) {
+                    is_split = true;
+                }
+            }
+            return(
+                <TableRow
+                  key={row.name}
+                  sx={{ '&:last-child td, &:last-child th': { border: 0 } }}
+                >
+                  <TableCell component="th" scope="row"></TableCell>
+                  <TableCell align="right">{row.transaction.transaction_date}</TableCell>
+                  <TableCell align="right">{ is_expense ? "" : row.account_split.amount }</TableCell>
+                  <TableCell align="right">{ is_expense ? row.account_split.amount : "" }</TableCell>
+                  <TableCell align="right">{ row.balance }</TableCell>
+                </TableRow>)
+          })}
+        </TableBody>
+      </Table>
+    </TableContainer>
+  );
+}
--- a/gui/app/src/pages/accounts/list.tsx
+++ b/gui/app/src/pages/accounts/list.tsx
@@ -1,12 +1,12 @@
-import { useMany } from "@refinedev/core";
-import {DeleteButton, EditButton, List, useDataGrid} from "@refinedev/mui";
 import React from "react";

+import { Button, ButtonGroup } from "@mui/material";
 import { DataGrid, type GridColDef } from "@mui/x-data-grid";
+import RequestQuoteIcon from '@mui/icons-material/RequestQuote';
+
+import { DeleteButton, EditButton, List, useDataGrid}  from "@refinedev/mui";

 import type { IAccount } from "../../interfaces";
-import {AccountCreate} from "./create";
-import {ButtonGroup} from "@mui/material";

 export const AccountList: React.FC = () => {
  const { dataGridProps } = useDataGrid<IAccount>();
@@ -15,7 +15,8 @@ export const AccountList: React.FC = () => {
    () => [
      { field: "id", headerName: "ID" },
      { field: "name", headerName: "Name", flex: 1 },
-      { field: "type", headerName: "Type", flex: 0.3 },
+      { field: "path", headerName: "path", flex: 1 },
+      { field: "type", headerName: "Type", flex: 1 },
      {
        field: "actions",
        headerName: "Actions",
@@ -23,6 +24,7 @@ export const AccountList: React.FC = () => {
        renderCell: function render({ row }) {
          return (
            <ButtonGroup>
+              <Button href={`/accounts/ledger/${row.id}`}><RequestQuoteIcon /></Button>
              <EditButton hideText recordItemId={row.id} />
              <DeleteButton hideText recordItemId={row.id} />
            </ButtonGroup>
@@ -30,6 +32,7 @@ export const AccountList: React.FC = () => {
        },
        align: "center",
        headerAlign: "center",
+        flex: 1,
      },
    ],
    [],
--- a/gui/app/src/pages/categories/create.tsx
+++ b/gui/app/src/pages/categories/create.tsx
@@ -0,0 +1,12 @@
+import {CrudForm} from "../../common/crud/crud-form";
+import {CategoryEdit} from "./edit";
+
+
+export const CategoryCreate: React.FC = () => {
+  return (
+    <CrudForm
+      schemaName={"CategoryCreate"}
+      resource={"categories"}
+    />
+  );
+};
--- a/gui/app/src/pages/categories/edit.tsx
+++ b/gui/app/src/pages/categories/edit.tsx
@@ -0,0 +1,15 @@
+import { CrudForm } from "../../common/crud/crud-form";
+import { useParams } from "react-router"
+
+
+export const CategoryEdit: React.FC = () => {
+  const { id } = useParams()
+
+  return (
+    <CrudForm
+      schemaName={"CategoryUpdate"}
+      resource={"categories"}
+      id={id}
+    />
+  );
+};
--- a/gui/app/src/pages/categories/index.tsx
+++ b/gui/app/src/pages/categories/index.tsx
@@ -0,0 +1,3 @@
+export * from "./list";
+export * from "./create";
+export * from "./edit";
--- a/gui/app/src/pages/categories/list.tsx
+++ b/gui/app/src/pages/categories/list.tsx
@@ -0,0 +1,49 @@
+import {DeleteButton, EditButton, List, useDataGrid} from "@refinedev/mui";
+import React from "react";
+
+import { DataGrid, type GridColDef } from "@mui/x-data-grid";
+
+import type { IAccount } from "../../interfaces";
+import { ButtonGroup } from "@mui/material";
+
+export const CategoryList: React.FC = () => {
+  const { dataGridProps } = useDataGrid<IAccount>();
+
+  const columns = React.useMemo<GridColDef<IAccount>[]>(
+    () => [
+      { field: "id", headerName: "ID" },
+      { field: "name", headerName: "Name", flex: 1 },
+      { field: "type", headerName: "Type", flex: 0.3 },
+      {
+        field: "actions",
+        headerName: "Actions",
+        display: "flex",
+        renderCell: function render({ row }) {
+          return (
+            <ButtonGroup>
+              <EditButton hideText recordItemId={row.id} />
+              <DeleteButton hideText recordItemId={row.id} />
+            </ButtonGroup>
+          );
+        },
+        align: "center",
+        headerAlign: "center",
+      },
+    ],
+    [],
+  );
+
+  return (
+    <List>
+      <div
+        style={{
+          display: "flex",
+          flexDirection: "column",
+          maxHeight: "calc(100vh - 320px)",
+        }}
+      >
+        <DataGrid {...dataGridProps} columns={columns} />
+      </div>
+    </List>
+  );
+};
--- a/gui/app/src/providers/auth-provider.tsx
+++ b/gui/app/src/providers/auth-provider.tsx
@@ -67,11 +67,7 @@ export const authProvider: AuthProvider = {
  onError: async (error) => {
    if (error?.status === 401) {
      localStorage.removeItem("access_token");
-      return Promise<{
-        redirectTo: "/login",
-        logout: true,
-        error: { message: "Unauthorized" },
-      }>;
+      return {redirectTo: "/login"}
    }
    return {};
  },
--- a/gui/app/src/providers/data-provider.tsx
+++ b/gui/app/src/providers/data-provider.tsx
@@ -1,6 +1,5 @@
 import type { DataProvider } from "@refinedev/core";

-//const API_URL = "https://api.fake-rest.refine.dev";
 const API_URL = "http://localhost:8000";

 const fetcher = async (url: string, options?: RequestInit) => {
@@ -15,8 +14,7 @@ const fetcher = async (url: string, options?: RequestInit) => {

 export const dataProvider: DataProvider = {
  getOne: async ({ resource, id, meta }) => {
-    const response = await fetcher(`${API_URL}/${resource}/${id}`);
-
+    const response = id !== "" ? await fetcher(`${API_URL}/${resource}/${id}`) : await fetcher(`${API_URL}/${resource}`);
    if (response.status < 200 || response.status > 299) throw response;

    const data = await response.json();
@@ -49,8 +47,7 @@ export const dataProvider: DataProvider = {
    }

    if (sorters && sorters.length > 0) {
-      params.append("sort", sorters.map((sorter) => sorter.field).join(","));
-      params.append("order", sorters.map((sorter) => sorter.order).join(","));
+      params.append("order_by", sorters.map((sorter) => (sorter.order == "asc" ? "+" : "-") + sorter.field).join(","));
    }

    if (filters && filters.length > 0) {
--- a/gui/app/src/providers/jsonschema-provider.tsx
+++ b/gui/app/src/providers/jsonschema-provider.tsx
@@ -31,12 +31,17 @@ function buildResource(rawSchemas: RJSFSchema, resourceName: string) {
    if (is_reference(prop)) {
      resolveReference(rawSchemas, resource, prop);
    } else if (is_union(prop)) {
-      for (let i in prop.oneOf) {
-        resolveReference(rawSchemas, resource, prop.oneOf[i]);
+      const union = prop.hasOwnProperty("oneOf") ? prop.oneOf : prop.anyOf;
+      for (let i in union) {
+        if (is_reference(union[i])) {
+          resolveReference(rawSchemas, resource, union[i]);
+        }
      }
    } else if (is_enum(prop)) {
      for (let i in prop.allOf) {
-        resolveReference(rawSchemas, resource, prop.allOf[i]);
+        if (is_reference(prop.allOf[i])) {
+          resolveReference(rawSchemas, resource, prop.allOf[i]);
+        }
      }
    } else if (is_array(prop) && is_reference(prop.items)) {
      resolveReference(rawSchemas, resource, prop.items);
@@ -92,11 +97,11 @@ function is_array(prop: any) {
 }

 function is_union(prop: any) {
-  return prop.hasOwnProperty('oneOf');
+  return prop.hasOwnProperty('oneOf') || prop.hasOwnProperty('anyOf');
 }

 function is_enum(prop: any) {
-  return prop.hasOwnProperty('allOf');
+  return prop.hasOwnProperty('enum');
 }

 function get_reference_name(prop: any) {
@@ -112,7 +117,8 @@ function has_descendant(rawSchemas:RJSFSchema, resource: RJSFSchema, property_na
    let subresourceName = get_reference_name(resource);
    return has_descendant(rawSchemas, buildResource(rawSchemas, subresourceName), property_name);
  } else if (is_union(resource)) {
-    for (const ref of resource.oneOf!) {
+    const union = resource.hasOwnProperty("oneOf") ? resource.oneOf : resource.anyOf;
+    for (const ref of union) {
      return has_descendant(rawSchemas, ref, property_name)
    }
  } else if (is_enum(resource)) {
@@ -183,4 +189,3 @@ function get_property_by_path(rawSchemas: RJSFSchema, resource: RJSFSchema, path
    path.substring(pointFirstPosition + 1)
  );
 }
-
--- a/kmm.db
+++ b/kmm.db
--- a/kmm.sql
+++ b/kmm.sql
@@ -0,0 +1,267 @@
+CREATE TABLE kmmAccounts (
+id varchar(32) NOT NULL,
+institutionId varchar(32),
+parentId varchar(32),
+lastReconciled datetime,
+lastModified datetime,
+openingDate date,
+accountNumber mediumtext,
+accountType varchar(16) NOT NULL,
+accountTypeString mediumtext,
+isStockAccount char(1),
+accountName mediumtext,
+description mediumtext,
+currencyId varchar(32),
+balance mediumtext,
+balanceFormatted mediumtext,
+transactionCount bigint unsigned,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmAccountsPayeeIdentifier (
+accountId varchar(32) NOT NULL,
+userOrder smallint unsigned NOT NULL,
+identifierId varchar(32) NOT NULL,
+PRIMARY KEY (accountId,userOrder)
+);
+
+CREATE TABLE kmmBudgetConfig (
+id varchar(32) NOT NULL,
+name text NOT NULL,
+start date NOT NULL,
+XML longtext,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmCostCenter (
+id varchar(32) NOT NULL,
+name text NOT NULL,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmCurrencies (
+ISOcode char(3) NOT NULL,
+name text NOT NULL,
+type smallint unsigned,
+typeString mediumtext,
+symbol1 smallint unsigned,
+symbol2 smallint unsigned,
+symbol3 smallint unsigned,
+symbolString varchar(255),
+smallestCashFraction varchar(24),
+smallestAccountFraction varchar(24),
+pricePrecision smallint unsigned NOT NULL DEFAULT 4,
+PRIMARY KEY (ISOcode)
+);
+
+CREATE TABLE kmmFileInfo (
+version varchar(16),
+created date,
+lastModified date,
+baseCurrency char(3),
+institutions bigint unsigned,
+accounts bigint unsigned,
+payees bigint unsigned,
+tags bigint unsigned,
+transactions bigint unsigned,
+splits bigint unsigned,
+securities bigint unsigned,
+prices bigint unsigned,
+currencies bigint unsigned,
+schedules bigint unsigned,
+reports bigint unsigned,
+kvps bigint unsigned,
+dateRangeStart date,
+dateRangeEnd date,
+hiInstitutionId bigint unsigned,
+hiPayeeId bigint unsigned,
+hiTagId bigint unsigned,
+hiAccountId bigint unsigned,
+hiTransactionId bigint unsigned,
+hiScheduleId bigint unsigned,
+hiSecurityId bigint unsigned,
+hiReportId bigint unsigned,
+encryptData varchar(255),
+updateInProgress char(1),
+budgets bigint unsigned,
+hiBudgetId bigint unsigned,
+hiOnlineJobId bigint unsigned,
+hiPayeeIdentifierId bigint unsigned,
+logonUser varchar(255),
+logonAt datetime,
+fixLevel int unsigned
+);
+
+CREATE TABLE kmmInstitutions (
+id varchar(32) NOT NULL,
+name text NOT NULL,
+manager mediumtext,
+routingCode mediumtext,
+addressStreet mediumtext,
+addressCity mediumtext,
+addressZipcode mediumtext,
+telephone mediumtext,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmKeyValuePairs (
+kvpType varchar(16) NOT NULL,
+kvpId varchar(32),
+kvpKey varchar(255) NOT NULL,
+kvpData mediumtext
+);
+CREATE INDEX kmmKeyValuePairs_type_id_idx ON kmmKeyValuePairs (kvpType,kvpId);
+
+CREATE TABLE kmmOnlineJobs (
+id varchar(32) NOT NULL,
+type varchar(255) NOT NULL,
+jobSend datetime,
+bankAnswerDate datetime,
+state varchar(15) NOT NULL,
+locked char(1) NOT NULL,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmPayeeIdentifier (
+id varchar(32) NOT NULL,
+type varchar(255),
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmPayees (
+id varchar(32) NOT NULL,
+name mediumtext,
+reference mediumtext,
+email mediumtext,
+addressStreet mediumtext,
+addressCity mediumtext,
+addressZipcode mediumtext,
+addressState mediumtext,
+telephone mediumtext,
+notes longtext,
+defaultAccountId varchar(32),
+matchData tinyint unsigned,
+matchIgnoreCase char(1),
+matchKeys mediumtext,
+idPattern mediumtext,
+urlTemplate mediumtext,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmPayeesPayeeIdentifier (
+payeeId varchar(32) NOT NULL,
+userOrder smallint unsigned NOT NULL,
+identifierId varchar(32) NOT NULL,
+PRIMARY KEY (payeeId,userOrder)
+);
+
+CREATE TABLE kmmPluginInfo (
+iid varchar(255) NOT NULL,
+versionMajor tinyint unsigned NOT NULL,
+versionMinor tinyint unsigned,
+uninstallQuery longtext,
+PRIMARY KEY (iid)
+);
+
+CREATE TABLE kmmPrices (
+fromId varchar(32) NOT NULL,
+toId varchar(32) NOT NULL,
+priceDate date NOT NULL,
+price text NOT NULL,
+priceFormatted mediumtext,
+priceSource mediumtext,
+PRIMARY KEY (fromId,toId,priceDate)
+);
+
+CREATE TABLE kmmReportConfig (name varchar(255) NOT NULL,
+XML longtext,
+id varchar(32) NOT NULL,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmSchedulePaymentHistory (schedId varchar(32) NOT NULL,
+payDate date NOT NULL,
+PRIMARY KEY (schedId,payDate)
+);
+
+CREATE TABLE kmmSchedules (id varchar(32) NOT NULL,
+name text NOT NULL,
+type tinyint unsigned NOT NULL,
+typeString mediumtext,
+occurence smallint unsigned NOT NULL,
+occurenceMultiplier smallint unsigned NOT NULL,
+occurenceString mediumtext,
+paymentType tinyint unsigned,
+paymentTypeString longtext,
+startDate date NOT NULL,
+endDate date,
+fixed char(1) NOT NULL,
+lastDayInMonth char(1) NOT NULL DEFAULT 'N',
+autoEnter char(1) NOT NULL,
+lastPayment date,
+nextPaymentDue date,
+weekendOption tinyint unsigned NOT NULL,
+weekendOptionString mediumtext,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmSecurities (id varchar(32) NOT NULL,
+name text NOT NULL,
+symbol mediumtext,
+type smallint unsigned NOT NULL,
+typeString mediumtext,
+smallestAccountFraction varchar(24),
+pricePrecision smallint unsigned NOT NULL DEFAULT 4,
+tradingMarket mediumtext,
+tradingCurrency char(3),
+roundingMethod smallint unsigned NOT NULL DEFAULT 7,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmSplits (
+transactionId varchar(32) NOT NULL,
+txType char(1),
+splitId smallint unsigned NOT NULL,
+payeeId varchar(32),
+reconcileDate datetime,
+action varchar(16),
+reconcileFlag char(1),
+value text NOT NULL,
+valueFormatted text,
+shares text NOT NULL,
+sharesFormatted mediumtext,
+price text,
+priceFormatted mediumtext,
+memo mediumtext,
+accountId varchar(32) NOT NULL,
+costCenterId varchar(32),
+checkNumber varchar(32),
+postDate datetime,
+bankId mediumtext,
+PRIMARY KEY (transactionId, splitId)
+);
+CREATE INDEX kmmSplits_kmmSplitsaccount_type_idx ON kmmSplits (accountId,txType);
+
+CREATE TABLE kmmTagSplits (transactionId varchar(32) NOT NULL,
+tagId varchar(32) NOT NULL,
+splitId smallint unsigned NOT NULL,
+PRIMARY KEY (transactionId,tagId,splitId)
+);
+
+CREATE TABLE kmmTags (id varchar(32) NOT NULL,
+name mediumtext,
+closed char(1),
+notes longtext,
+tagColor mediumtext,
+PRIMARY KEY (id)
+);
+
+CREATE TABLE kmmTransactions (id varchar(32) NOT NULL,
+txType char(1),
+postDate datetime,
+memo mediumtext,
+entryDate datetime,
+currencyId char(3),
+bankId mediumtext,
+PRIMARY KEY (id)
+);
Author	SHA1	Message	Date
Gentile G	ed37298a74	Adapting transaction to the resource archi	2025-02-21 16:08:59 +01:00
Gentile G	950090c762	Authentication finaly redirect to auth page	2025-02-20 22:15:28 +01:00
ewandor	3268f065d3	Adding filters et pagination to ledger	2025-02-18 23:19:07 +01:00
ewandor	c8eb7cd9bf	Adding first draft of ledger component	2025-02-17 21:00:19 +01:00
ewandor	a81c4fbd7d	Adding balance to ledger record	2025-02-17 19:07:04 +01:00
ewandor	cd325154da	Adding sequence number for transactions and fixtures as well	2025-02-17 17:36:38 +01:00
ewandor	4a823b7115	Moving ledger route conversion to resource	2025-02-16 23:18:11 +01:00
ewandor	a83711315f	Cleaning transaction resource file	2025-02-16 22:31:59 +01:00
ewandor	699009d21a	Adding ledger module	2025-02-16 22:31:35 +01:00
ewandor	440401049a	Adding fixtures for payees	2025-02-16 16:54:52 +01:00
ewandor	148b1d00c4	Fully functional opening transactions	2025-02-16 03:17:29 +01:00
Gentile G	b5039f6468	Adding read action for opening transaction	2025-02-14 17:27:17 +01:00
Gentile G	65ecfcd919	Removing opening info for read and update, puting in another resource	2025-02-14 16:56:32 +01:00
Gentile G	afe89cfb03	Correcting typo in category list routes	2025-02-14 16:25:56 +01:00
Gentile G	ff9b59f38c	Migrating resource.get to new select join	2025-02-14 15:18:19 +01:00
Gentile G	aff702156d	Adding fetching of account opening data for AccountRead	2025-02-14 14:15:20 +01:00
ewandor	171ad9ea4e	Upgrading IDE to python3.13	2025-02-12 23:38:53 +01:00
ewandor	f4bf1a2b30	Adding auto creation of opening transaction on create	2025-02-12 23:13:26 +01:00
ewandor	825fa41bd9	Updating admin_user_create name	2025-02-12 23:11:10 +01:00
ewandor	2fa5e04dca	Removing opening info from category	2025-02-12 21:35:39 +01:00
ewandor	b6bef1f775	Adding a common moneratary amount field type	2025-02-12 20:35:13 +01:00
ewandor	539410c18b	Moving requests to resource	2025-02-12 20:11:59 +01:00
ewandor	171875f915	Implemented fixtures & Implementing Resource pattern	2025-02-11 22:57:11 +01:00
ewandor	ed6be838fe	Adding fixture system	2025-02-10 22:25:54 +01:00
ewandor	39c4ab9102	Adding opening dates and amount	2025-02-04 23:23:41 +01:00
ewandor	f26bd9846a	Separating Enums, Schemas and Models in account	2025-02-04 22:59:59 +01:00
ewandor	a4be703713	Adding Equity Account Family	2025-02-03 22:10:23 +01:00
ewandor	a33f84c5b4	Adding sorting to Accounts	2025-02-02 23:40:19 +01:00
ewandor	fb7e46efdb	Adding Parent Account validation	2025-02-02 22:55:57 +01:00
ewandor	778bdc2c74	Adding family concept and routes	2025-02-02 22:09:00 +01:00
ewandor	0b150abae4	Adding empty value on foreign key	2025-02-02 22:08:38 +01:00
ewandor	1e8731d78b	Functional foreign key account selector and path generator	2025-02-02 20:12:55 +01:00
ewandor	fd92c57eb5	[WIP] trying to validate empty parent account	2025-01-30 08:19:10 +01:00
ewandor	c1a6c0f572	Left Outer Joining Payee	2025-01-27 00:45:51 +01:00
ewandor	0207672b69	Tools for database handling and design	2025-01-26 15:34:56 +01:00
ewandor	52db0bb2f3	Implementing union enum when mutlifields are all enums	2025-01-26 15:34:29 +01:00
ewandor	7ad85dfb34	Adding props to the price widget	2025-01-26 15:33:32 +01:00
ewandor	716ba233f5	Correcting model update	2025-01-26 15:32:47 +01:00
ewandor	5ac667f200	Seprating accounts and categories routes	2025-01-26 00:24:07 +01:00