Files
cht-lawfirm/back/app/contract/print/__init__.py

120 lines
3.2 KiB
Python

import datetime
from fastapi import APIRouter
from fastapi.responses import HTMLResponse, FileResponse
from fastapi.templating import Jinja2Templates
from beanie.operators import ElemMatch
from weasyprint import HTML, CSS
from weasyprint.text.fonts import FontConfiguration
from pathlib import Path
from app.entity.models import Entity
from app.template.models import ProvisionTemplate
from ..models import ContractDraft, Contract, replace_variables_in_value
async def build_model(model):
parties = []
for p in model.parties:
party = {
"entity": await Entity.get(p.entity_id),
"part": p.part
}
if p.representative_id:
party['representative'] = await Entity.get(p.representative_id)
parties.append(party)
model.parties = parties
provisions = []
for p in model.provisions:
if p.provision.type == "template":
provision = await ProvisionTemplate.get(p.provision.provision_template_id)
else:
provision = p.provision
provision.title = replace_variables_in_value(model.variables, provision.title)
provision.body = replace_variables_in_value(model.variables, provision.body)
provisions.append(provision)
model.provisions = provisions
model = model.dict()
model['location'] = "Los Santos, SA"
model['date'] = datetime.date(1970, 1, 1)
return model
BASE_PATH = Path(__file__).resolve().parent
print_router = APIRouter()
templates = Jinja2Templates(directory=str(BASE_PATH / "templates"))
async def render_print(host, contract, lawyer):
template = templates.get_template("print.html")
return template.render({
"contract": contract,
"lawyer": lawyer,
"static_host": host
})
async def render_css(host, draft):
template = templates.get_template("styles.css")
return template.render({
"draft": draft,
"static_host": host
})
@print_router.get("/preview/draft/{draftId}", response_class=HTMLResponse)
async def create(draftId: str) -> str:
draft = await build_model(await ContractDraft.get(draftId))
lawyer = {
"firstname": "Nathaniel",
"lastname": "Toshi",
}
return await render_print('localhost', draft, lawyer)
@print_router.get("/preview/{signature_id}", response_class=HTMLResponse)
async def create(signature_id: str) -> str:
crit = ElemMatch(Contract.parties, {"signature_uuid": signature_id})
contract = await Contract.find_one(crit)
lawyer = {
"firstname": "Nathaniel",
"lastname": "Toshi",
}
return await render_print('localhost', contract, lawyer)
@print_router.get("/pdf", response_class=FileResponse)
async def create_pdf() -> str:
draft = await build_model(await ContractDraft.get("63e92534aafed8b509f229c4"))
lawyer = {
"firstname": "Nathaniel",
"lastname": "Toshi",
}
font_config = FontConfiguration()
html = HTML(string=await render_print('nginx', draft, lawyer))
css = CSS(string=await render_css('nginx', draft), font_config=font_config)
html.write_pdf('out.pdf', stylesheets=[css], font_config=font_config)
return FileResponse(
"out.pdf",
media_type="application/pdf",
filename=draft.name)