feat(server): team mail sender (#9104)

fix AF-1914

packages/backend/server/src/core/permission/service.ts

@@ -14,6 +14,11 @@ import { FeatureKind } from '../features/types';
 import { QuotaType } from '../quota/types';
 import { Permission, PublicPageMode } from './types';
 
+const NeedUpdateStatus = new Set<WorkspaceMemberStatus>([
+  WorkspaceMemberStatus.NeedMoreSeat,
+  WorkspaceMemberStatus.NeedMoreSeatAndReview,
+]);
+
 @Injectable()
 export class PermissionService {
   constructor(
@@ -94,6 +99,20 @@ export class PermissionService {
     return owner.user;
   }
 
+  async getWorkspaceAdmin(workspaceId: string) {
+    const admin = await this.prisma.workspaceUserPermission.findMany({
+      where: {
+        workspaceId,
+        type: Permission.Admin,
+      },
+      include: {
+        user: true,
+      },
+    });
+
+    return admin.map(({ user }) => user);
+  }
+
   async getWorkspaceMemberCount(workspaceId: string) {
     return this.prisma.workspaceUserPermission.count({
       where: {
@@ -351,18 +370,6 @@ export class PermissionService {
       .then(p => p.id);
   }
 
-  async getWorkspaceInvitation(invitationId: string, workspaceId: string) {
-    return this.prisma.workspaceUserPermission.findUniqueOrThrow({
-      where: {
-        id: invitationId,
-        workspaceId,
-      },
-      include: {
-        user: true,
-      },
-    });
-  }
-
   private async isTeamWorkspace(tx: PrismaTransaction, workspaceId: string) {
     return await tx.workspaceFeature
       .count({
@@ -396,24 +403,14 @@ export class PermissionService {
   }
 
   async refreshSeatStatus(workspaceId: string, memberLimit: number) {
-    return this.prisma.$transaction(async tx => {
+    const [pending, underReview] = await this.prisma.$transaction(async tx => {
       const members = await tx.workspaceUserPermission.findMany({
-        where: {
-          workspaceId,
-        },
-        select: {
-          userId: true,
-          status: true,
-          updatedAt: true,
-        },
+        where: { workspaceId },
+        select: { userId: true, status: true, updatedAt: true },
       });
       const memberCount = members.filter(
         m => m.status === WorkspaceMemberStatus.Accepted
       ).length;
-      const NeedUpdateStatus = new Set<WorkspaceMemberStatus>([
-        WorkspaceMemberStatus.NeedMoreSeat,
-        WorkspaceMemberStatus.NeedMoreSeatAndReview,
-      ]);
       const needChange = members
         .filter(m => NeedUpdateStatus.has(m.status))
         .toSorted((a, b) => Number(a.updatedAt) - Number(b.updatedAt))
@@ -422,32 +419,41 @@ export class PermissionService {
         needChange,
         m => m.status
       );
-      const approvedCount = await tx.workspaceUserPermission
-        .updateMany({
+      const inviteByMail = NeedMoreSeat?.map(m => m.userId) ?? [];
+      await tx.workspaceUserPermission.updateMany({
+        where: { workspaceId, userId: { in: inviteByMail } },
+        data: { status: WorkspaceMemberStatus.Pending },
+      });
+      const inviteByLink = NeedMoreSeatAndReview?.map(m => m.userId) ?? [];
+      await tx.workspaceUserPermission.updateMany({
+        where: { workspaceId, userId: { in: inviteByLink } },
+        data: { status: WorkspaceMemberStatus.UnderReview },
+      });
+
+      const pending = await tx.workspaceUserPermission
+        .findMany({
           where: {
-            userId: {
-              in: NeedMoreSeat?.map(m => m.userId) ?? [],
-            },
-          },
-          data: {
-            status: WorkspaceMemberStatus.Accepted,
+            workspaceId,
+            userId: { in: inviteByLink },
+            status: WorkspaceMemberStatus.Pending,
           },
+          select: { id: true, user: { select: { email: true } } },
         })
-        .then(r => r.count);
-      const needReviewCount = await tx.workspaceUserPermission
-        .updateMany({
+        .then(r => r.map(m => ({ inviteId: m.id, email: m.user.email })));
+      const underReview = await tx.workspaceUserPermission
+        .findMany({
           where: {
-            userId: {
-              in: NeedMoreSeatAndReview?.map(m => m.userId) ?? [],
-            },
-          },
-          data: {
+            workspaceId,
+            userId: { in: inviteByLink },
             status: WorkspaceMemberStatus.UnderReview,
           },
+          select: { id: true },
         })
-        .then(r => r.count);
-      return approvedCount + needReviewCount === needChange.length;
+        .then(r => ({ inviteIds: r.map(m => m.id) }));
+      return [pending, underReview] as const;
     });
+    this.event.emit('workspace.team.seatAvailable', pending);
+    this.event.emit('workspace.team.reviewRequest', underReview);
   }
 
   async revokeWorkspace(workspaceId: string, user: string) {
@@ -474,6 +480,10 @@ export class PermissionService {
             workspaceId,
             count,
           });
+          this.event.emit('workspace.team.declineRequest', {
+            workspaceId,
+            inviteeId: user,
+          });
         }
       }
       return success;

packages/backend/server/src/core/workspaces/index.ts

@@ -15,6 +15,7 @@ import {
   TeamWorkspaceResolver,
   WorkspaceBlobResolver,
   WorkspaceResolver,
+  WorkspaceService,
 } from './resolvers';
 
 @Module({
@@ -35,6 +36,7 @@ import {
     PagePermissionResolver,
     DocHistoryResolver,
     WorkspaceBlobResolver,
+    WorkspaceService,
   ],
 })
 export class WorkspaceModule {}

packages/backend/server/src/core/workspaces/resolvers/index.ts

@@ -1,5 +1,6 @@
 export * from './blob';
 export * from './history';
 export * from './page';
+export * from './service';
 export * from './team';
 export * from './workspace';

packages/backend/server/src/core/workspaces/resolvers/service.ts

@@ -0,0 +1,177 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { PrismaClient } from '@prisma/client';
+import { getStreamAsBuffer } from 'get-stream';
+
+import { Cache, MailService } from '../../../fundamentals';
+import { DocContentService } from '../../doc-renderer';
+import { PermissionService } from '../../permission';
+import { WorkspaceBlobStorage } from '../../storage';
+import { UserService } from '../../user';
+
+export const defaultWorkspaceAvatar =
+  'iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAQtSURBVHgBfVa9jhxFEK6q7rkf+4T2AgdIIC0ZoXkBuNQJtngBuIzs1hIRye1FhL438D0CRgKRGUeE6wwkhHYlkE2AtGdkbN/MdJe/qu7Z27PWnnG5Znq7v/rqd47pHddkNh/918tR1/FBamXc9zxOPVFKfJ4yP86qD1LD3/986/3F2zB40+LXv83HrHq/6+gAoNS1kF4odUz2nhJRTkI5E6mD6Bk1crLJkLy5cHc+P4ohzxLng8RKLqKUq6hkUtBSe8Zvdmfir7TT2a0fnkzeaeCbv/44ztSfZskjP2ygVRM0mbYTpgHMMMS8CsIIj/c+//Hp8UYD3z758whQUwdeEwPjAZQLqJhI0VxB2MVco+kXP/0zuZKD6dP5uM397ELzqEtMba/UJ4t7iXeq8U94z52Q+js09qjlIXMxAEsRDJpI59dVPzlDTooHko7BdlR2FcYmAtbGMmAt2mFI4yDQkIjtEQkxUAMKAPD9SiOK4b578N0S7Nt+fqFKbTbmRD1YGXurEmdtnjjz4kFuIV0gtWewV62hMHBY2gpEOw3Rnmztx9jnO72xzTV/YkzgNmgkiypeYJdCLjonqyAAg7VCshVpjTbD08HbxrySdhKxcDvoJTA5gLvpeXVQ+K340WKea9UkNeZVqGSba/IbF6athj+LUeRmRCyiAVnlAKhJJQfmugGZ28ZWna24RGzwNUNUqpWGf6HkajvAgNA4NsSjHgcb9obx+k5c3DUttcwd3NcHxpVurXQ2d4MZACGw9TwEHsdtbEwytL1xywAGcxavjoH1quLVywuGi+aBhFWexRilFSwK0QzgdUdkkVMeKw4wijrgxjzz2CefCRZn+21ViOWW4Ym9nNnyFLMbMS8ivNhGP8RdlgUojBkuBLDpEPi+5LpWiDURgFkKOIIckJTgN/sZ84KtKkKpDnsOZiTQ47jD4ZGwHghbw6AXIL3lo5Zg6Tp2AwIAyYJ8BRzGfmfPl6kI7HOLUdN2LIg+4IfL5SiFdvkK4blI6h50qda7jQI0CUMLdEhFIkqtQciMvXsgpaZ1pWtVUfrIa+TX5/8+RBcftAhTa91r8ycXA5ZxBqhAh2zgVagUAddxMkxfF/JxfvbpB+8d2jhBtsPhtuqsE0HJlhxYeHKdkCU8xUCos8dmkDdnGaOlJ1yy9dM52J2spqldvz9fTgB4z+aQd2kqjUY2KU2s4dTT7ezD0AqDAbvZiKF/VO9+fGPv9IoBu+b/P5ti6djDY+JlSg4ug1jc6fJbMAx9/3b4CNGTD/evT698D9avv188m4gKvko8MiMeJC3jmOvU9MSuHXZohAVpOrmxd+10HW/jR3/58uU45TRFt35ZR2XpY61DzW+tH3z/7xdM8sP93d3Fm1gbDawbEtU7CMtt/JVxEw01Kh7RAmoBE4+u7eycYv38bRivAZbdHBtPrwOHAAAAAElFTkSuQmCC';
+
+export type InviteInfo = {
+  workspaceId: string;
+  inviterUserId?: string;
+  inviteeUserId?: string;
+};
+
+@Injectable()
+export class WorkspaceService {
+  private readonly logger = new Logger(WorkspaceService.name);
+
+  constructor(
+    private readonly blobStorage: WorkspaceBlobStorage,
+    private readonly cache: Cache,
+    private readonly doc: DocContentService,
+    private readonly mailer: MailService,
+    private readonly permission: PermissionService,
+    private readonly prisma: PrismaClient,
+    private readonly user: UserService
+  ) {}
+
+  async getInviteInfo(inviteId: string): Promise<InviteInfo> {
+    // invite link
+    const invite = await this.cache.get<InviteInfo>(
+      `workspace:inviteLinkId:${inviteId}`
+    );
+    if (typeof invite?.workspaceId === 'string') {
+      return invite;
+    }
+
+    return await this.prisma.workspaceUserPermission
+      .findUniqueOrThrow({
+        where: {
+          id: inviteId,
+        },
+        select: {
+          workspaceId: true,
+          userId: true,
+        },
+      })
+      .then(r => ({
+        workspaceId: r.workspaceId,
+        inviteeUserId: r.userId,
+      }));
+  }
+
+  async getWorkspaceInfo(workspaceId: string) {
+    const workspaceContent = await this.doc.getWorkspaceContent(workspaceId);
+
+    let avatar = defaultWorkspaceAvatar;
+    if (workspaceContent?.avatarKey) {
+      const avatarBlob = await this.blobStorage.get(
+        workspaceId,
+        workspaceContent.avatarKey
+      );
+
+      if (avatarBlob.body) {
+        avatar = (await getStreamAsBuffer(avatarBlob.body)).toString('base64');
+      }
+    }
+
+    return {
+      avatar,
+      id: workspaceId,
+      name: workspaceContent?.name ?? '',
+    };
+  }
+
+  async sendInviteMail(inviteId: string, email: string) {
+    const { workspaceId } = await this.getInviteInfo(inviteId);
+    const workspace = await this.getWorkspaceInfo(workspaceId);
+    const owner = await this.permission.getWorkspaceOwner(workspaceId);
+
+    await this.mailer.sendInviteEmail(email, inviteId, {
+      workspace,
+      user: {
+        avatar: owner.avatarUrl || '',
+        name: owner.name || '',
+      },
+    });
+  }
+
+  async sendAcceptedEmail(inviteId: string) {
+    const { workspaceId, inviterUserId, inviteeUserId } =
+      await this.getInviteInfo(inviteId);
+    const workspace = await this.getWorkspaceInfo(workspaceId);
+    const invitee = inviteeUserId
+      ? await this.user.findUserById(inviteeUserId)
+      : null;
+    const inviter = inviterUserId
+      ? await this.user.findUserById(inviterUserId)
+      : await this.permission.getWorkspaceOwner(workspaceId);
+
+    if (!inviter || !invitee) {
+      this.logger.error(
+        `Inviter or invitee user not found for inviteId: ${inviteId}`
+      );
+      return false;
+    }
+
+    await this.mailer.sendAcceptedEmail(inviter.email, {
+      inviteeName: invitee.name,
+      workspaceName: workspace.name,
+    });
+    return true;
+  }
+
+  async sendReviewRequestMail(inviteId: string) {
+    const { workspaceId, inviteeUserId } = await this.getInviteInfo(inviteId);
+    if (!inviteeUserId) {
+      this.logger.error(`Invitee user not found for inviteId: ${inviteId}`);
+      return;
+    }
+
+    const invitee = await this.user.findUserById(inviteeUserId);
+    if (!invitee) {
+      this.logger.error(
+        `Invitee user not found for inviteId: ${inviteId}, userId: ${inviteeUserId}`
+      );
+      return;
+    }
+
+    const workspace = await this.getWorkspaceInfo(workspaceId);
+    const owner = await this.permission.getWorkspaceOwner(workspaceId);
+    const admin = await this.permission.getWorkspaceAdmin(workspaceId);
+
+    for (const user of [owner, ...admin]) {
+      await this.mailer.sendReviewRequestMail(
+        user.email,
+        invitee.email,
+        workspace
+      );
+    }
+  }
+
+  async sendReviewApproveEmail(inviteId: string) {
+    const { workspaceId, inviteeUserId } = await this.getInviteInfo(inviteId);
+    if (!inviteeUserId) {
+      this.logger.error(`Invitee user not found for inviteId: ${inviteId}`);
+      return;
+    }
+    const workspace = await this.getWorkspaceInfo(workspaceId);
+    const invitee = await this.user.findUserById(inviteeUserId);
+    if (!invitee) {
+      this.logger.error(
+        `Invitee user not found for inviteId: ${inviteId}, userId: ${inviteeUserId}`
+      );
+      return;
+    }
+    await this.mailer.sendReviewApproveEmail(invitee.email, workspace);
+  }
+
+  async sendReviewDeclinedEmail(workspaceId: string, inviteeUserId: string) {
+    const workspace = await this.getWorkspaceInfo(workspaceId);
+    const invitee = await this.user.findUserById(inviteeUserId);
+    if (!invitee) {
+      this.logger.error(
+        `Invitee user not found in workspace: ${workspaceId}, userId: ${inviteeUserId}`
+      );
+      return;
+    }
+
+    await this.mailer.sendReviewDeclinedEmail(invitee.email, workspace);
+  }
+}

packages/backend/server/src/core/workspaces/resolvers/team.ts

@@ -12,8 +12,9 @@ import { nanoid } from 'nanoid';
 import {
   Cache,
   EventEmitter,
-  MailService,
+  type EventPayload,
   NotInSpace,
+  OnEvent,
   RequestMutex,
   TooManyRequest,
   URLHelper,
@@ -28,7 +29,7 @@ import {
   WorkspaceInviteLinkExpireTime,
   WorkspaceType,
 } from '../types';
-import { WorkspaceResolver } from './workspace';
+import { WorkspaceService } from './service';
 
 /**
  * Workspace team resolver
@@ -42,14 +43,13 @@ export class TeamWorkspaceResolver {
   constructor(
     private readonly cache: Cache,
     private readonly event: EventEmitter,
-    private readonly mailer: MailService,
     private readonly url: URLHelper,
     private readonly prisma: PrismaClient,
     private readonly permissions: PermissionService,
     private readonly users: UserService,
     private readonly quota: QuotaManagementService,
     private readonly mutex: RequestMutex,
-    private readonly workspace: WorkspaceResolver
+    private readonly workspaceService: WorkspaceService
   ) {}
 
   @ResolveField(() => Boolean, {
@@ -119,20 +119,8 @@ export class TeamWorkspaceResolver {
             : WorkspaceMemberStatus.Pending
         );
         if (!needMoreSeat && sendInviteMail) {
-          const inviteInfo = await this.workspace.getInviteInfo(ret.inviteId);
-
           try {
-            await this.mailer.sendInviteEmail(email, ret.inviteId, {
-              workspace: {
-                id: inviteInfo.workspace.id,
-                name: inviteInfo.workspace.name,
-                avatar: inviteInfo.workspace.avatar,
-              },
-              user: {
-                avatar: inviteInfo.user?.avatarUrl || '',
-                name: inviteInfo.user?.name || '',
-              },
-            });
+            await this.workspaceService.sendInviteMail(ret.inviteId, email);
             ret.sentSuccess = true;
           } catch (e) {
             this.logger.warn(
@@ -182,7 +170,7 @@ export class TeamWorkspaceResolver {
     @Args('workspaceId') workspaceId: string,
     @Args('expireTime', { type: () => WorkspaceInviteLinkExpireTime })
     expireTime: WorkspaceInviteLinkExpireTime
-  ): Promise<InviteLink | null> {
+  ): Promise<InviteLink> {
     await this.permissions.checkWorkspace(
       workspaceId,
       user.id,
@@ -205,7 +193,7 @@ export class TeamWorkspaceResolver {
     await this.cache.set(cacheWorkspaceId, { inviteId }, { ttl: expireTime });
     await this.cache.set(
       cacheInviteId,
-      { workspaceId, inviteeUserId: user.id },
+      { workspaceId, inviterUserId: user.id },
       { ttl: expireTime }
     );
     return {
@@ -262,7 +250,8 @@ export class TeamWorkspaceResolver {
           );
 
           if (result) {
-            // TODO(@darkskygit): send team approve mail
+            // send approve mail
+            await this.workspaceService.sendReviewApproveEmail(result);
           }
           return result;
         }
@@ -321,4 +310,31 @@ export class TeamWorkspaceResolver {
       return new TooManyRequest();
     }
   }
+
+  @OnEvent('workspace.team.seatAvailable')
+  async onSeatAvailable(payload: EventPayload<'workspace.team.seatAvailable'>) {
+    // send invite mail when seat is available for NeedMoreSeat member
+    for (const { inviteId, email } of payload) {
+      await this.workspaceService.sendInviteMail(inviteId, email);
+    }
+  }
+
+  @OnEvent('workspace.team.reviewRequest')
+  async onReviewRequest({
+    inviteIds,
+  }: EventPayload<'workspace.team.reviewRequest'>) {
+    // send review request mail to owner and admin
+    for (const inviteId of inviteIds) {
+      await this.workspaceService.sendReviewRequestMail(inviteId);
+    }
+  }
+
+  @OnEvent('workspace.team.declineRequest')
+  async onDeclineRequest({
+    workspaceId,
+    inviteeId,
+  }: EventPayload<'workspace.team.declineRequest'>) {
+    // send decline mail
+    await this.workspaceService.sendReviewDeclinedEmail(workspaceId, inviteeId);
+  }
 }

packages/backend/server/src/core/workspaces/resolvers/workspace.ts

@@ -11,7 +11,6 @@ import {
   Resolver,
 } from '@nestjs/graphql';
 import { PrismaClient, WorkspaceMemberStatus } from '@prisma/client';
-import { getStreamAsBuffer } from 'get-stream';
 import GraphQLUpload from 'graphql-upload/GraphQLUpload.mjs';
 
 import type { FileUpload } from '../../../fundamentals';
@@ -32,10 +31,8 @@ import {
 } from '../../../fundamentals';
 import { CurrentUser, Public } from '../../auth';
 import { type Editor, PgWorkspaceDocStorageAdapter } from '../../doc';
-import { DocContentService } from '../../doc-renderer';
 import { Permission, PermissionService } from '../../permission';
 import { QuotaManagementService, QuotaQueryType } from '../../quota';
-import { WorkspaceBlobStorage } from '../../storage';
 import { UserService, UserType } from '../../user';
 import {
   InvitationType,
@@ -43,7 +40,7 @@ import {
   UpdateWorkspaceInput,
   WorkspaceType,
 } from '../types';
-import { defaultWorkspaceAvatar } from '../utils';
+import { WorkspaceService } from './service';
 
 @ObjectType()
 export class EditorType implements Partial<Editor> {
@@ -86,9 +83,8 @@ export class WorkspaceResolver {
     private readonly quota: QuotaManagementService,
     private readonly users: UserService,
     private readonly event: EventEmitter,
-    private readonly blobStorage: WorkspaceBlobStorage,
     private readonly mutex: RequestMutex,
-    private readonly doc: DocContentService,
+    private readonly workspaceService: WorkspaceService,
     private readonly workspaceStorage: PgWorkspaceDocStorageAdapter
   ) {}
 
@@ -433,20 +429,8 @@ export class WorkspaceResolver {
         permission
       );
       if (sendInviteMail) {
-        const inviteInfo = await this.getInviteInfo(inviteId);
-
         try {
-          await this.mailer.sendInviteEmail(email, inviteId, {
-            workspace: {
-              id: inviteInfo.workspace.id,
-              name: inviteInfo.workspace.name,
-              avatar: inviteInfo.workspace.avatar,
-            },
-            user: {
-              avatar: inviteInfo.user?.avatarUrl || '',
-              name: inviteInfo.user?.name || '',
-            },
-          });
+          await this.workspaceService.sendInviteMail(inviteId, email);
         } catch (e) {
           const ret = await this.permissions.revokeWorkspace(
             workspaceId,
@@ -483,63 +467,20 @@ export class WorkspaceResolver {
   @Query(() => InvitationType, {
     description: 'send workspace invitation',
   })
-  async getInviteInfo(@Args('inviteId') inviteId: string) {
-    let workspaceId = null;
-    let invitee = null;
-    // invite link
-    const invite = await this.cache.get<{
-      workspaceId: string;
-      inviteeUserId: string;
-    }>(`workspace:inviteLinkId:${inviteId}`);
-    if (typeof invite?.workspaceId === 'string') {
-      workspaceId = invite.workspaceId;
-      invitee = { user: await this.users.findUserById(invite.inviteeUserId) };
-    }
-    if (!workspaceId) {
-      workspaceId = await this.prisma.workspaceUserPermission
-        .findUniqueOrThrow({
-          where: {
-            id: inviteId,
-          },
-          select: {
-            workspaceId: true,
-          },
-        })
-        .then(({ workspaceId }) => workspaceId);
-    }
-
-    const workspaceContent = await this.doc.getWorkspaceContent(workspaceId);
-
+  async getInviteInfo(
+    @CurrentUser() user: UserType | undefined,
+    @Args('inviteId') inviteId: string
+  ) {
+    const { workspaceId, inviteeUserId } =
+      await this.workspaceService.getInviteInfo(inviteId);
+    const workspace = await this.workspaceService.getWorkspaceInfo(workspaceId);
     const owner = await this.permissions.getWorkspaceOwner(workspaceId);
 
-    if (!invitee) {
-      invitee = await this.permissions.getWorkspaceInvitation(
-        inviteId,
-        workspaceId
-      );
-    }
+    const inviteeId = inviteeUserId || user?.id;
+    if (!inviteeId) throw new UserNotFound();
+    const invitee = await this.users.findUserById(inviteeId);
 
-    let avatar = '';
-    if (workspaceContent?.avatarKey) {
-      const avatarBlob = await this.blobStorage.get(
-        workspaceId,
-        workspaceContent.avatarKey
-      );
-
-      if (avatarBlob.body) {
-        avatar = (await getStreamAsBuffer(avatarBlob.body)).toString('base64');
-      }
-    }
-
-    return {
-      workspace: {
-        name: workspaceContent?.name ?? '',
-        avatar: avatar || defaultWorkspaceAvatar,
-        id: workspaceId,
-      },
-      user: owner,
-      invitee: invitee.user,
-    };
+    return { workspace, user: owner, invitee };
   }
 
   @Mutation(() => Boolean)
@@ -569,13 +510,7 @@ export class WorkspaceResolver {
       );
     }
 
-    const result = await this.permissions.revokeWorkspace(workspaceId, userId);
-
-    if (result && isTeam) {
-      // TODO(@darkskygit): send team revoke mail
-    }
-
-    return result;
+    return await this.permissions.revokeWorkspace(workspaceId, userId);
   }
 
   @Mutation(() => Boolean)
@@ -615,8 +550,11 @@ export class WorkspaceResolver {
           return true;
         } else {
           const inviteId = await this.permissions.grant(workspaceId, user.id);
+          this.event.emit('workspace.team.reviewRequest', {
+            inviteIds: [inviteId],
+          });
           // invite by link need admin to approve
-          return this.permissions.acceptWorkspaceInvitation(
+          return await this.permissions.acceptWorkspaceInvitation(
             inviteId,
             workspaceId,
             WorkspaceMemberStatus.UnderReview
@@ -629,36 +567,31 @@ export class WorkspaceResolver {
     // so we need to check seat again here
     await this.quota.checkWorkspaceSeat(workspaceId, true);
 
-    const {
-      invitee,
-      user: inviter,
-      workspace,
-    } = await this.getInviteInfo(inviteId);
-
-    if (!inviter || !invitee) {
-      throw new UserNotFound();
-    }
-
     if (sendAcceptMail) {
-      // TODO(@darkskygit): team accept mail
-      await this.mailer.sendAcceptedEmail(inviter.email, {
-        inviteeName: invitee.name,
-        workspaceName: workspace.name,
-      });
+      const success = await this.workspaceService.sendAcceptedEmail(inviteId);
+      if (!success) throw new UserNotFound();
     }
 
-    return this.permissions.acceptWorkspaceInvitation(inviteId, workspaceId);
+    return await this.permissions.acceptWorkspaceInvitation(
+      inviteId,
+      workspaceId
+    );
   }
 
   @Mutation(() => Boolean)
   async leaveWorkspace(
     @CurrentUser() user: CurrentUser,
     @Args('workspaceId') workspaceId: string,
-    @Args('workspaceName') workspaceName: string,
-    @Args('sendLeaveMail', { nullable: true }) sendLeaveMail: boolean
+    @Args('sendLeaveMail', { nullable: true }) sendLeaveMail?: boolean,
+    @Args('workspaceName', {
+      nullable: true,
+      deprecationReason: 'no longer used',
+    })
+    _workspaceName?: string
   ) {
     await this.permissions.checkWorkspace(workspaceId, user.id);
-
+    const { name: workspaceName } =
+      await this.workspaceService.getWorkspaceInfo(workspaceId);
     const owner = await this.permissions.getWorkspaceOwner(workspaceId);
 
     if (sendLeaveMail) {

packages/backend/server/src/core/workspaces/utils.ts

@@ -1,2 +0,0 @@
-export const defaultWorkspaceAvatar =
-  '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';

packages/backend/server/src/fundamentals/event/def.ts

@@ -3,6 +3,14 @@ import type { Snapshot, User, Workspace } from '@prisma/client';
 import { Flatten, Payload } from './types';
 
 export interface WorkspaceEvents {
+  team: {
+    seatAvailable: Payload<{ inviteId: string; email: string }[]>;
+    reviewRequest: Payload<{ inviteIds: string[] }>;
+    declineRequest: Payload<{
+      workspaceId: Workspace['id'];
+      inviteeId: User['id'];
+    }>;
+  };
   deleted: Payload<Workspace['id']>;
   blob: {
     deleted: Payload<{

packages/backend/server/src/fundamentals/mailer/mail.service.ts

@@ -166,6 +166,7 @@ export class MailService {
       html,
     });
   }
+
   async sendChangeEmail(to: string, url: string) {
     const html = emailTemplate({
       title: 'Verify your current email for AFFiNE',
@@ -180,6 +181,7 @@ export class MailService {
       html,
     });
   }
+
   async sendVerifyChangeEmail(to: string, url: string) {
     const html = emailTemplate({
       title: 'Verify your new email address',
@@ -194,6 +196,7 @@ export class MailService {
       html,
     });
   }
+
   async sendVerifyEmail(to: string, url: string) {
     const html = emailTemplate({
       title: 'Verify your email address',
@@ -208,6 +211,7 @@ export class MailService {
       html,
     });
   }
+
   async sendNotificationChangeEmail(to: string) {
     const html = emailTemplate({
       title: 'Email change successful',
@@ -219,6 +223,7 @@ export class MailService {
       html,
     });
   }
+
   async sendAcceptedEmail(
     to: string,
     {
@@ -241,6 +246,7 @@ export class MailService {
       html,
     });
   }
+
   async sendLeaveWorkspaceEmail(
     to: string,
     {
@@ -263,4 +269,46 @@ export class MailService {
       html,
     });
   }
+
+  // =================== Team Workspace Mails ===================
+  async sendReviewRequestMail(
+    to: string,
+    invitee: string,
+    ws: { id: string; name: string }
+  ) {
+    const { id: workspaceId, name: workspaceName } = ws;
+    const title = `New request to join ${workspaceName}`;
+
+    const html = emailTemplate({
+      title: 'Request to join your workspace',
+      content: `${invitee} has requested to join ${workspaceName}. As a workspace owner/admin, you can approve or decline this request.`,
+      buttonContent: 'Review request',
+      buttonUrl: this.url.link(`/workspace/${workspaceId}`),
+    });
+    return this.sendMail({ to, subject: title, html });
+  }
+
+  async sendReviewApproveEmail(to: string, ws: { id: string; name: string }) {
+    const { id: workspaceId, name: workspaceName } = ws;
+    const title = `Your request to join ${workspaceName} has been approved`;
+
+    const html = emailTemplate({
+      title: 'Welcome to the workspace!',
+      content: `Your request to join ${workspaceName} has been accepted. You can now access the team workspace and collaborate with other members.`,
+      buttonContent: 'Open Workspace',
+      buttonUrl: this.url.link(`/workspace/${workspaceId}`),
+    });
+    return this.sendMail({ to, subject: title, html });
+  }
+
+  async sendReviewDeclinedEmail(to: string, ws: { name: string }) {
+    const { name: workspaceName } = ws;
+    const title = `Your request to join ${workspaceName} was declined`;
+
+    const html = emailTemplate({
+      title: 'Request declined',
+      content: `Your request to join ${workspaceName} has been declined by the workspace admin.`,
+    });
+    return this.sendMail({ to, subject: title, html });
+  }
 }

packages/backend/server/src/schema.gql

@@ -504,7 +504,7 @@ type Mutation {
 
   """Create a stripe customer portal to manage payment methods"""
   createCustomerPortal: String!
-  createInviteLink(expireTime: WorkspaceInviteLinkExpireTime!, workspaceId: String!): String!
+  createInviteLink(expireTime: WorkspaceInviteLinkExpireTime!, workspaceId: String!): InviteLink!
 
   """Create a new user"""
   createUser(input: CreateUserInput!): UserType!
@@ -523,7 +523,7 @@ type Mutation {
   grantMember(permission: Permission!, userId: String!, workspaceId: String!): String!
   invite(email: String!, permission: Permission!, sendInviteMail: Boolean, workspaceId: String!): String!
   inviteBatch(emails: [String!]!, sendInviteMail: Boolean, workspaceId: String!): [InviteResult!]!
-  leaveWorkspace(sendLeaveMail: Boolean, workspaceId: String!, workspaceName: String!): Boolean!
+  leaveWorkspace(sendLeaveMail: Boolean, workspaceId: String!, workspaceName: String @deprecated(reason: "no longer used")): Boolean!
   publishPage(mode: PublicPageMode = Page, pageId: String!, workspaceId: String!): WorkspacePage!
   recoverDoc(guid: String!, timestamp: DateTime!, workspaceId: String!): DateTime!
   releaseDeletedBlobs(workspaceId: String!): Boolean!