优化

server/plugins/com.msgbyte.topic/services/topic.service.ts

@@ -0,0 +1,251 @@
+import _ from 'lodash';
+import { TcService, TcDbService, TcContext, call } from 'tailchat-server-sdk';
+import type { GroupTopicDocument, GroupTopicModel } from '../models/topic';
+
+/**
+ * 群组话题
+ */
+interface GroupTopicService
+  extends TcService,
+    TcDbService<GroupTopicDocument, GroupTopicModel> {}
+class GroupTopicService extends TcService {
+  get serviceName(): string {
+    return 'plugin:com.msgbyte.topic';
+  }
+
+  onInit(): void {
+    this.registerLocalDb(require('../models/topic').default);
+
+    this.registerAction('list', this.list, {
+      params: {
+        groupId: 'string',
+        panelId: 'string',
+        page: { type: 'number', optional: true },
+        size: { type: 'number', optional: true },
+      },
+    });
+    this.registerAction('create', this.create, {
+      params: {
+        groupId: 'string',
+        panelId: 'string',
+        content: 'string',
+        meta: { type: 'object', optional: true },
+      },
+    });
+    this.registerAction('createComment', this.createComment, {
+      params: {
+        groupId: 'string',
+        panelId: 'string',
+        topicId: 'string',
+        content: 'string',
+        replyCommentId: { type: 'string', optional: true },
+      },
+    });
+    this.registerAction('delete', this.delete, {
+      params: {
+        groupId: 'string',
+        panelId: 'string',
+        topicId: 'string',
+      },
+    });
+  }
+
+  protected onInited(): void {
+    this.setPanelFeature('com.msgbyte.topic/grouppanel', ['subscribe']);
+  }
+
+  /**
+   * 获取所有Topic
+   */
+  async list(
+    ctx: TcContext<{
+      groupId: string;
+      panelId: string;
+      page?: number;
+      size?: number;
+    }>
+  ) {
+    const { groupId, panelId, page = 1, size = 20 } = ctx.params;
+    const userId = ctx.meta.userId;
+    const t = ctx.meta.t;
+
+    // 鉴权
+    const group = await call(ctx).getGroupInfo(groupId);
+    const isMember = group.members.some((member) => {
+      return String(member.userId) === userId;
+    });
+    if (!isMember) {
+      throw new Error(t('不是该群组成员'));
+    }
+
+    const topic = await this.adapter.model
+      .find({
+        groupId,
+        panelId,
+      })
+      .limit(size)
+      .skip((page - 1) * 20)
+      .sort({ _id: 'desc' })
+      .exec();
+
+    const json = await this.transformDocuments(ctx, {}, topic);
+
+    return json;
+  }
+
+  /**
+   * 创建一条Topic
+   */
+  async create(
+    ctx: TcContext<{
+      groupId: string;
+      panelId: string;
+      content: string;
+      meta?: object;
+    }>
+  ) {
+    const { groupId, panelId, content, meta } = ctx.params;
+    const userId = ctx.meta.userId;
+    const t = ctx.meta.t;
+
+    // 鉴权
+    const group = await call(ctx).getGroupInfo(groupId);
+    const isMember = group.members.some((member) => member.userId === userId);
+    if (!isMember) {
+      throw new Error(t('不是该群组成员'));
+    }
+
+    const targetPanel = group.panels.find((p) => p.id === panelId);
+
+    if (!targetPanel) {
+      throw new Error(t('面板不存在'));
+    }
+
+    const topic = await this.adapter.model.create({
+      groupId,
+      panelId,
+      content,
+      meta,
+      author: userId,
+      comment: [],
+    });
+
+    const json = await this.transformDocuments(ctx, {}, topic);
+
+    this.roomcastNotify(ctx, panelId, 'create', json);
+
+    return json;
+  }
+
+  /**
+   * 回复话题
+   */
+  async createComment(
+    ctx: TcContext<{
+      groupId: string;
+      panelId: string;
+      topicId: string;
+      content: string;
+      replyCommentId?: string;
+    }>
+  ) {
+    const { groupId, panelId, topicId, content, replyCommentId } = ctx.params;
+    const userId = ctx.meta.userId;
+    const t = ctx.meta.t;
+
+    // 鉴权
+    const group = await call(ctx).getGroupInfo(groupId);
+    const isMember = group.members.some((member) => member.userId === userId);
+    if (!isMember) {
+      throw new Error(t('不是该群组成员'));
+    }
+
+    const targetPanel = group.panels.find((p) => p.id === panelId);
+
+    if (!targetPanel) {
+      throw new Error(t('面板不存在'));
+    }
+
+    const topic = await this.adapter.model.findOneAndUpdate(
+      {
+        _id: topicId,
+        groupId,
+        panelId,
+      },
+      {
+        $push: {
+          comments: {
+            content,
+            author: userId,
+            replyCommentId,
+          },
+        },
+      },
+      { new: true }
+    );
+
+    const json = await this.transformDocuments(ctx, {}, topic);
+
+    this.roomcastNotify(ctx, panelId, 'createComment', json);
+
+    // 向所有参与者都添加收件箱消息
+    const memberIds = _.uniq([
+      topic.author,
+      ...topic.comments.map((c) => c.author),
+    ]);
+
+    await Promise.all(
+      memberIds.map((memberId) =>
+        call(ctx).appendInbox(
+          'plugin:com.msgbyte.topic.comment',
+          json,
+          String(memberId)
+        )
+      )
+    );
+
+    return true;
+  }
+
+  /**
+   * 删除话题
+   */
+  async delete(
+    ctx: TcContext<{
+      groupId: string;
+      panelId: string;
+      topicId: string;
+    }>
+  ) {
+    const { groupId, panelId, topicId } = ctx.params;
+    const userId = ctx.meta.userId;
+    const t = ctx.meta.t;
+
+    // 鉴权
+    const group = await call(ctx).getGroupInfo(groupId);
+    const isMember = group.members.some((member) => member.userId === userId);
+    if (!isMember) {
+      throw new Error(t('不是该群组成员'));
+    }
+
+    if (String(group.owner) !== userId) {
+      throw new Error(t('仅群组所有者有权限删除话题'));
+    }
+
+    const result = await this.adapter.model.deleteOne({
+      _id: topicId,
+      groupId,
+      panelId,
+    });
+
+    this.roomcastNotify(ctx, panelId, 'delete', {
+      groupId,
+      panelId,
+      topicId,
+    });
+
+    return result.deletedCount > 0;
+  }
+}
+
+export default GroupTopicService;