Logic function refactorization (#17861)

As title

packages/twenty-front/src/modules/logic-functions/hooks/useLogicFunctionUpdateFormState.ts

@@ -0,0 +1,72 @@
+import { useGetOneLogicFunction } from '@/logic-functions/hooks/useGetOneLogicFunction';
+import { type Dispatch, type SetStateAction, useEffect, useState } from 'react';
+import { isDefined } from 'twenty-shared/utils';
+import {
+  type FindOneLogicFunctionQuery,
+  type LogicFunction,
+} from '~/generated-metadata/graphql';
+import { useGetLogicFunctionSourceCode } from '@/logic-functions/hooks/useGetLogicFunctionSourceCode';
+
+export type LogicFunctionNewFormValues = {
+  name: string;
+  description: string;
+};
+
+export type LogicFunctionFormValues = LogicFunctionNewFormValues & {
+  code: string;
+};
+
+type SetLogicFunctionFormValues = Dispatch<
+  SetStateAction<LogicFunctionFormValues>
+>;
+
+export const useLogicFunctionUpdateFormState = ({
+  logicFunctionId,
+}: {
+  logicFunctionId: string;
+}): {
+  formValues: LogicFunctionFormValues;
+  logicFunction: LogicFunction | null;
+  setFormValues: SetLogicFunctionFormValues;
+  loading: boolean;
+} => {
+  const [formValues, setFormValues] = useState<LogicFunctionFormValues>({
+    name: '',
+    description: '',
+    code: '',
+  });
+
+  const { code: codeFromApi, loading: logicFunctionSourceCodeLoading } =
+    useGetLogicFunctionSourceCode({
+      logicFunctionId,
+    });
+
+  const { logicFunction, loading: logicFunctionLoading } =
+    useGetOneLogicFunction({
+      id: logicFunctionId,
+      onCompleted: (data: FindOneLogicFunctionQuery) => {
+        const fn = data?.findOneLogicFunction;
+
+        if (isDefined(fn)) {
+          setFormValues((prevState) => ({
+            ...prevState,
+            name: fn.name || '',
+            description: fn.description || '',
+          }));
+        }
+      },
+    });
+
+  useEffect(() => {
+    if (isDefined(codeFromApi)) {
+      setFormValues((prev) => ({ ...prev, code: codeFromApi }));
+    }
+  }, [codeFromApi]);
+
+  return {
+    formValues,
+    setFormValues,
+    logicFunction,
+    loading: logicFunctionLoading || logicFunctionSourceCodeLoading,
+  };
+};