短报文教学

app/controller/teaching.js

@@ -0,0 +1,73 @@
+const BaseController = require('../core/base_controller.js');
+
+const fileName = "teaching";
+
+class TeachingController extends BaseController {
+  // 获取最近发送的一条信息
+  async getMsg() {
+    const { ctx } = this;
+    try {
+      const redis = ctx.app.redis;
+      const token = ctx.request.query.token;
+      this.banManager(redis, token);
+      const result = await ctx.service.teaching.getMsg(redis, token);
+      if (result == "error") {
+        this.setResponse(ctx, 500, '服务器错误', "none");
+      } else if (result.code == 401) {
+        this.setResponse(ctx, 't401', 'token 过期或错误', "none");
+      } else if (result.code == 403) {
+        this.setResponse(ctx, 403, '此 token 已进入黑名单，请等待解封后再使用', "none");
+      } else if (result.code == 200) {
+        delete result.code;
+        const data = {
+          userData: result.userData,
+          responseTime: new Date()
+        };
+        this.setResponse(ctx, 200, '最近消息查询成功', "deconstruction", data);
+      } else {
+        this.setResponse(ctx, 404, '最近消息查询失败', "none");
+      }
+    } catch (error) {
+      const blockName = fileName + "--" + "getMsg";
+      ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
+      this.setResponse(ctx, 500, '服务器错误', "none");
+    }
+  }
+
+  // 获取若干条历史消息
+  async getHistory() {
+    const { ctx } = this;
+    try {
+      const redis = ctx.app.redis;
+      const { token, limit, offset } = ctx.request.query;
+      this.banManager(redis, token);
+      const result = await ctx.service.teaching.getHistory(redis, token, limit, offset);
+      if (result == "error") {
+        this.setResponse(ctx, 500, '服务器错误', "none");
+      } else if (result.code == 401) {
+        this.setResponse(ctx, 't401', 'token 过期或错误', "none");
+      } else if (result.code == 403) {
+        this.setResponse(ctx, 403, '此 token 已进入黑名单，请等待解封后再使用', "none");
+      } else if (result.code == 200) {
+        delete result.code;
+        let historyMsg = [];
+        result.userData.rows.forEach(element => {
+          historyMsg.push(element.dataValues);
+        });
+        const data = {
+          userData: historyMsg,
+          total: result.userData.count
+        };
+        this.setResponse(ctx, 200, '历史消息查询成功', "deconstruction", data);
+      } else {
+        this.setResponse(ctx, 404, '历史消息查询失败', "none");
+      }
+    } catch (error) {
+      const blockName = fileName + "--" + "getHistory";
+      ctx.app.middleware.log('../../controllerLog', blockName + ">>>>" + error);
+      this.setResponse(ctx, 500, '服务器错误', "none");
+    }
+  }
+}
+
+module.exports = TeachingController;