first commit

calcom/apps/web/lib/hooks/useAppsData.ts

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+import type { FormValues } from "pages/event-types/[type]";
+import { useFormContext } from "react-hook-form";
+
+import type { GetAppData, SetAppData } from "@calcom/app-store/EventTypeAppContext";
+import type { EventTypeAppsList } from "@calcom/app-store/utils";
+
+const useAppsData = () => {
+  const formMethods = useFormContext<FormValues>();
+  const allAppsData = formMethods.watch("metadata")?.apps || {};
+
+  const setAllAppsData = (_allAppsData: typeof allAppsData) => {
+    formMethods.setValue(
+      "metadata",
+      {
+        ...formMethods.getValues("metadata"),
+        apps: _allAppsData,
+      },
+      { shouldDirty: true }
+    );
+  };
+
+  const getAppDataGetter = (appId: EventTypeAppsList): GetAppData => {
+    return function (key) {
+      const appData = allAppsData[appId as keyof typeof allAppsData] || {};
+      if (key) {
+        return appData[key as keyof typeof appData];
+      }
+      return appData;
+    };
+  };
+
+  const eventTypeFormMetadata = formMethods.getValues("metadata");
+
+  const getAppDataSetter = (
+    appId: EventTypeAppsList,
+    appCategories: string[],
+    credentialId?: number
+  ): SetAppData => {
+    return function (key, value) {
+      // Always get latest data available in Form because consequent calls to setData would update the Form but not allAppsData(it would update during next render)
+      const allAppsDataFromForm = formMethods.getValues("metadata")?.apps || {};
+      const appData = allAppsDataFromForm[appId];
+      setAllAppsData({
+        ...allAppsDataFromForm,
+        [appId]: {
+          ...appData,
+          [key]: value,
+          credentialId,
+          appCategories,
+        },
+      });
+    };
+  };
+
+  return { getAppDataGetter, getAppDataSetter, eventTypeFormMetadata };
+};
+
+export default useAppsData;