feat: add task manager db calls

packages/root-cms/ui/hooks/useSiteSettings.tsx

@@ -10,6 +10,8 @@ import {useFirebase} from './useFirebase.js';
 interface SiteSettings {
   /** The Google Drive folder where files created by Root CMS are stored. If unspecified, files will be created in your "My Drive". */
   googleDriveFolder?: string;
+  /** The default assignee for new tasks created within the CMS. */
+  defaultAssignee?: string;
 }
 
 interface Setting {

packages/root-cms/ui/utils/tasks.ts

@@ -0,0 +1,213 @@
+import {
+  FieldPath,
+  Timestamp,
+  arrayUnion,
+  collection,
+  doc,
+  getDoc,
+  serverTimestamp,
+  setDoc,
+  updateDoc,
+} from 'firebase/firestore';
+import {logAction} from './actions.js';
+
+export interface Task {
+  id: string;
+  title: string;
+  description?: string;
+  assignee?: string | null;
+  createdAt: Timestamp;
+  createdBy: string;
+  updatedAt?: Timestamp;
+  updatedBy?: string;
+}
+
+export interface TaskCommentHistoryEntry {
+  action: 'edit' | 'delete';
+  content: string;
+  changedAt: Timestamp;
+  changedBy: string;
+}
+
+export interface TaskComment {
+  id: string;
+  taskId: string;
+  content: string;
+  createdAt: Timestamp;
+  createdBy: string;
+  updatedAt?: Timestamp;
+  updatedBy?: string;
+  deletedAt?: Timestamp;
+  deletedBy?: string;
+  isDeleted?: boolean;
+  history?: TaskCommentHistoryEntry[];
+}
+
+function projectDocRef() {
+  const db = window.firebase.db;
+  const projectId = window.__ROOT_CTX.rootConfig.projectId;
+  return doc(db, 'Projects', projectId);
+}
+
+function taskDocRef(taskId: string) {
+  const db = window.firebase.db;
+  const projectId = window.__ROOT_CTX.rootConfig.projectId;
+  return doc(db, 'Projects', projectId, 'Tasks', taskId);
+}
+
+function taskCommentDocRef(taskId: string, commentId: string) {
+  const db = window.firebase.db;
+  const projectId = window.__ROOT_CTX.rootConfig.projectId;
+  return doc(db, 'Projects', projectId, 'Tasks', taskId, 'Comments', commentId);
+}
+
+async function getDefaultTaskAssignee(): Promise<string | null> {
+  const snapshot = await getDoc(projectDocRef());
+  if (!snapshot.exists()) {
+    return null;
+  }
+  const data: any = snapshot.data() || {};
+  return data.settings?.defaultAssignee || null;
+}
+
+export async function setDefaultTaskAssignee(assignee: string | null) {
+  await updateDoc(projectDocRef(), new FieldPath('settings', 'defaultAssignee'), assignee);
+  logAction('tasks.defaultAssignee', {
+    metadata: {assignee: assignee || null},
+  });
+}
+
+export async function createTask(options: {
+  title: string;
+  description?: string;
+  assignee?: string | null;
+}) {
+  if (!options.title) {
+    throw new Error('missing task title');
+  }
+
+  const db = window.firebase.db;
+  const projectId = window.__ROOT_CTX.rootConfig.projectId;
+  const taskRef = doc(collection(db, 'Projects', projectId, 'Tasks'));
+  const assignee = options.assignee ?? (await getDefaultTaskAssignee());
+
+  await setDoc(taskRef, {
+    id: taskRef.id,
+    title: options.title,
+    description: options.description || '',
+    assignee: assignee ?? null,
+    createdAt: serverTimestamp(),
+    createdBy: window.firebase.user.email || '',
+    updatedAt: serverTimestamp(),
+    updatedBy: window.firebase.user.email || '',
+  });
+
+  logAction('tasks.create', {metadata: {taskId: taskRef.id}});
+}
+
+export async function updateTaskAssignee(taskId: string, assignee: string) {
+  if (!taskId) {
+    throw new Error('missing task id');
+  }
+  await updateDoc(taskDocRef(taskId), {
+    assignee,
+    updatedAt: serverTimestamp(),
+    updatedBy: window.firebase.user.email || '',
+  });
+  logAction('tasks.updateAssignee', {metadata: {taskId, assignee}});
+}
+
+export async function addTaskComment(taskId: string, content: string) {
+  if (!taskId) {
+    throw new Error('missing task id');
+  }
+  if (!content) {
+    throw new Error('missing comment content');
+  }
+
+  const db = window.firebase.db;
+  const projectId = window.__ROOT_CTX.rootConfig.projectId;
+  const commentRef = doc(
+    collection(db, 'Projects', projectId, 'Tasks', taskId, 'Comments')
+  );
+
+  await setDoc(commentRef, {
+    id: commentRef.id,
+    taskId,
+    content,
+    createdAt: serverTimestamp(),
+    createdBy: window.firebase.user.email || '',
+    history: [],
+  });
+
+  logAction('tasks.comment.add', {
+    metadata: {taskId, commentId: commentRef.id},
+  });
+}
+
+export async function editTaskComment(
+  taskId: string,
+  commentId: string,
+  content: string
+) {
+  if (!taskId || !commentId) {
+    throw new Error('missing task or comment id');
+  }
+  if (!content) {
+    throw new Error('missing comment content');
+  }
+
+  const commentRef = taskCommentDocRef(taskId, commentId);
+  const snapshot = await getDoc(commentRef);
+  if (!snapshot.exists()) {
+    throw new Error('comment not found');
+  }
+  const data = snapshot.data() as TaskComment;
+
+  await updateDoc(commentRef, {
+    content,
+    updatedAt: serverTimestamp(),
+    updatedBy: window.firebase.user.email || '',
+    isDeleted: false,
+    history: arrayUnion({
+      action: 'edit',
+      content: data.content,
+      changedAt: Timestamp.now(),
+      changedBy: window.firebase.user.email || '',
+    }),
+  });
+
+  logAction('tasks.comment.edit', {
+    metadata: {taskId, commentId},
+  });
+}
+
+export async function deleteTaskComment(taskId: string, commentId: string) {
+  if (!taskId || !commentId) {
+    throw new Error('missing task or comment id');
+  }
+
+  const commentRef = taskCommentDocRef(taskId, commentId);
+  const snapshot = await getDoc(commentRef);
+  if (!snapshot.exists()) {
+    throw new Error('comment not found');
+  }
+  const data = snapshot.data() as TaskComment;
+
+  await updateDoc(commentRef, {
+    content: '',
+    isDeleted: true,
+    deletedAt: serverTimestamp(),
+    deletedBy: window.firebase.user.email || '',
+    history: arrayUnion({
+      action: 'delete',
+      content: data.content,
+      changedAt: Timestamp.now(),
+      changedBy: window.firebase.user.email || '',
+    }),
+  });
+
+  logAction('tasks.comment.delete', {
+    metadata: {taskId, commentId},
+  });
+}