Refactoring schema fetching in hooks

gui/rpk-gui/src/lib/crud/hook/index.tsx

@@ -0,0 +1,109 @@
+import { useEffect, useState } from "react";
+import { jsonschemaProvider } from "../providers/jsonschema-provider";
+import { GridColDef, GridColumnVisibilityModel, GridValidRowModel } from "@mui/x-data-grid";
+
+type ResourceSchemaType = "create" | "update" | "card";
+
+export function useResourceSchema(schemaName: string, type: ResourceSchemaType) {
+  const [schema, setSchema] = useState({});
+  const [schemaLoading, setSchemaLoading] = useState(true);
+
+  useEffect(() => {
+    const fetchSchema = async () => {
+      try {
+        let resourceSchema
+        if (type == "create") {
+          resourceSchema = await jsonschemaProvider.getCreateResourceSchema(schemaName);
+        } else if (type == "card") {
+          resourceSchema = await jsonschemaProvider.getCardResourceSchema(schemaName);
+        } else {
+          resourceSchema = await jsonschemaProvider.getUpdateResourceSchema(schemaName);
+        }
+        setSchema(resourceSchema);
+        setSchemaLoading(false);
+      } catch (error) {
+        console.error(`Error while retrieving schema: ${schemaName} `, error);
+        setSchemaLoading(false);
+      }
+    };
+    fetchSchema();
+  }, []);
+
+  return { schema, schemaLoading }
+}
+
+type ColumnSchema<T extends GridValidRowModel> = {
+  columns: GridColDef<T>[],
+  columnVisibilityModel: GridColumnVisibilityModel
+}
+
+type ColumnDefinition = {
+  field: string,
+  column: Partial<GridColDef>,
+  hide?: boolean
+}
+
+export function useResourceColumns<T extends GridValidRowModel>(schemaName: string, columnDefinitions: ColumnDefinition[]) {
+  const [columnSchema, setColumnSchema] = useState<ColumnSchema<T>>()
+  const [columnLoading, setColumnLoading] = useState(true);
+  useEffect(() => {
+    const fetchSchema = async () => {
+      try {
+        const resourceColumns = await jsonschemaProvider.getReadResourceColumns(schemaName)
+        const definedColumns = computeColumnSchema<T>(columnDefinitions, resourceColumns)
+        setColumnSchema(definedColumns);
+        setColumnLoading(false);
+      } catch (error) {
+        console.error('Error while retrieving columns schema:', error);
+        setColumnLoading(false);
+      }
+    };
+    fetchSchema();
+  }, []);
+
+  return { columnSchema, columnLoading }
+}
+
+function computeColumnSchema<T extends GridValidRowModel>(definitionColumns: ColumnDefinition[], resourceColumns: GridColDef[]): ColumnSchema<T> {
+  //reorder resourceColumns as in definition
+  definitionColumns.slice().reverse().forEach(first => {
+     resourceColumns.sort(function(x,y){ return x.field == first.field ? -1 : y.field == first.field ? 1 : 0; });
+  })
+
+  let visibilityModel: GridColumnVisibilityModel = {}
+  resourceColumns.forEach((resource, index) =>{
+    visibilityModel[resource.field] = definitionColumns.some(col => col.field == resource.field && !col.hide)
+    definitionColumns.forEach((def) => {
+      if (def.field == resource.field) {
+        resourceColumns[index] = {...resource, ...def.column};
+      }
+    })
+  })
+
+  return {
+    columns: resourceColumns,
+    columnVisibilityModel: visibilityModel
+  }
+}
+
+export function useResourceFilter(resourceName: string, resourcePath: string) {
+  const [hasSearch, setHasSearch] = useState(false)
+  const [filtersSchema, setFiltersSchema] = useState<any[]>([])
+  const [filtersLoading, setFiltersLoading] = useState(true);
+  useEffect(() => {
+    const fetchSchema = async () => {
+      try {
+        setHasSearch(await jsonschemaProvider.hasSearch(resourcePath))
+        const resourceFilters = await jsonschemaProvider.getListFilters(resourceName, resourcePath)
+        setFiltersSchema(resourceFilters);
+        setFiltersLoading(false);
+      } catch (error) {
+        console.error('Error while retrieving filter schema:', error);
+        setFiltersLoading(false);
+      }
+    };
+    fetchSchema();
+  }, []);
+
+  return { hasSearch, filtersSchema, filtersLoading }
+}