Merge pull request #15 from Kasulejoseph/amount-endpoint-170301522

#170301522 Add analysis endpoint

src/controller/index.js

@@ -3,6 +3,7 @@ import User from "../model/user";
 import updateHelper from "../helper/updateHelper";
 import queryHelper from "../helper/queryHelper";
 import handle500 from "../helper/handle500";
+import analysisHelper from "../helper/analysisHelper";
 
 class ExpenseController {
   static async getExpenses(req, res) {
@@ -53,6 +54,16 @@ class ExpenseController {
       res.status(500).send(response);
     }
   }
+  static async analystsData(req, res){
+    try {
+      const response =  await analysisHelper()
+      res.send(response)
+    } catch (error) {
+      const response = await handle500();
+      res.status(response.statusCode).send(error);
+    }
+
+  }
 }
 
 export default ExpenseController;

src/helper/analysisHelper.js

@@ -0,0 +1,18 @@
+import Expense from "../model/expense";
+
+export default async () => {
+  let data = [];
+  const amount = [];
+  const expenseData = await Expense.find({});
+  expenseData.forEach(item => {
+    const dataObj = {
+      amount: item.amount,
+      date: item.created_at,
+      employee: item.employee
+    };
+    data.push(dataObj);
+    amount.push(item.amount);
+  });
+  const sum = amount.reduce((a, b) => a + b, 0);
+  return { sum, data };
+};

src/routers/index.js

@@ -1,11 +1,12 @@
 import express from "express";
 import ExpenseController from "../controller";
 const router = express.Router();
-const { getExpenses, userExpenses, updateExpenses } = ExpenseController;
+const { getExpenses, userExpenses, updateExpenses, analystsData } = ExpenseController;
 
 router.get("/", getExpenses);
 router.get("/users/:id", userExpenses);
 router.patch("/:id", updateExpenses);
+router.get("/analysis", analystsData);
 router.all('*', (req, res) => {
     res.status(405).send({
         status: 405,

test/index.spec.js

@@ -95,6 +95,17 @@ describe("/users:id GET user expenses", () => {
         done();
       });
   });
+  it("should fetch analysis", done => {
+    chai
+      .request(server)
+      .get("/analysis")
+      .end((err, res) => {
+        res.should.have.status(200);
+        res.body.data.should.be.a("array");
+        res.text.includes('"status":200');
+        done();
+      });
+  });
 });
 
 // describe('/:id PUT update expenses', () => {