Activity as standard object (#6219)

In this PR I layout the first steps to migrate Activity to a traditional
Standard objects

Since this is a big transition, I'd rather split it into several
deployments / PRs

<img width="1512" alt="image"
src="https://github.com/user-attachments/assets/012e2bbf-9d1b-4723-aaf6-269ef588b050">

---------

Co-authored-by: Charles Bochet <charles@twenty.com>
Co-authored-by: bosiraphael <71827178+bosiraphael@users.noreply.github.com>
Co-authored-by: Weiko <corentin@twenty.com>
Co-authored-by: Faisal-imtiyaz123 <142205282+Faisal-imtiyaz123@users.noreply.github.com>
Co-authored-by: Prateek Jain <prateekj1171998@gmail.com>

packages/twenty-front/src/modules/activities/utils/getActivityPreview.ts

@@ -1,4 +1,6 @@
-export const getActivityPreview = (activityBody: string) => {
+// TODO: merge with getFirstNonEmptyLineOfRichText (and one duplicate I saw and also added a note on)
+
+export const getActivityPreview = (activityBody: string | null) => {
   const noteBody = activityBody ? JSON.parse(activityBody) : [];
 
   return noteBody.length

packages/twenty-front/src/modules/activities/utils/getActivitySummary.ts

@@ -1,6 +1,7 @@
 import { isArray, isNonEmptyString } from '@sniptt/guards';
 
-export const getActivitySummary = (activityBody: string) => {
+// TODO: merge with getFirstNonEmptyLineOfRichText
+export const getActivitySummary = (activityBody: string | null) => {
   const noteBody = activityBody ? JSON.parse(activityBody) : [];
 
   if (!noteBody.length) {

packages/twenty-front/src/modules/activities/utils/getActivityTargetsToCreateFromTargetableObjects.ts

@@ -1,8 +1,10 @@
 import { v4 } from 'uuid';
 
-import { Activity } from '@/activities/types/Activity';
-import { ActivityTarget } from '@/activities/types/ActivityTarget';
 import { ActivityTargetableObject } from '@/activities/types/ActivityTargetableEntity';
+import { Note } from '@/activities/types/Note';
+import { NoteTarget } from '@/activities/types/NoteTarget';
+import { Task } from '@/activities/types/Task';
+import { TaskTarget } from '@/activities/types/TaskTarget';
 import { getActivityTargetObjectFieldIdName } from '@/activities/utils/getActivityTargetObjectFieldIdName';
 import { ObjectRecord } from '@/object-record/types/ObjectRecord';
 
@@ -12,9 +14,9 @@ export const makeActivityTargetsToCreateFromTargetableObjects = ({
   targetObjectRecords,
 }: {
   targetableObjects: ActivityTargetableObject[];
-  activity: Activity;
+  activity: Task | Note;
   targetObjectRecords: ObjectRecord[];
-}): Partial<ActivityTarget>[] => {
+}): Partial<NoteTarget | TaskTarget>[] => {
   const activityTargetsToCreate = targetableObjects.map((targetableObject) => {
     const targetableObjectFieldIdName = getActivityTargetObjectFieldIdName({
       nameSingular: targetableObject.targetObjectNameSingular,
@@ -32,7 +34,7 @@ export const makeActivityTargetsToCreateFromTargetableObjects = ({
       id: v4(),
       updatedAt: new Date().toISOString(),
       createdAt: new Date().toISOString(),
-    } as Partial<ActivityTarget>;
+    } as Partial<NoteTarget | TaskTarget>;
 
     return activityTarget;
   });

packages/twenty-front/src/modules/activities/utils/getJoinObjectNameSingular.ts

@@ -0,0 +1,11 @@
+import { CoreObjectNameSingular } from '@/object-metadata/types/CoreObjectNameSingular';
+
+export const getJoinObjectNameSingular = (
+  objectNameSingular: CoreObjectNameSingular,
+) => {
+  return objectNameSingular === CoreObjectNameSingular.Note
+    ? CoreObjectNameSingular.NoteTarget
+    : objectNameSingular === CoreObjectNameSingular.Task
+      ? CoreObjectNameSingular.TaskTarget
+      : '';
+};