get stats route

relates #28

server/controllers/routes/admin/index.js

@@ -8,6 +8,7 @@ const {
   deleteProjectData,
   getCohortProjects,
 } = require('./project');
+const getStats = require('./stats');
 
 router.post('/cohorts', addCohort);
 
@@ -32,5 +33,6 @@ router.get('/cohorts/:cohortId/projects', getCohortProjects);
 router.delete('/alumni/:studentId', deleteStudent);
 router.put('/alumni/:studentId', putStudentData);
 router.delete('/projects/:projectId', deleteProjectData);
+router.get('/stats', getStats);
 
 module.exports = router;

server/controllers/routes/admin/stats.js

@@ -0,0 +1,22 @@
+const { getCohorts } = require('../../../database/queries');
+
+const getStats = async (req, res, next) => {
+  try {
+    const cohorts = await getCohorts();
+    const cohortsCount = cohorts.rowCount;
+    const projectsCount = 16;
+    const studentsCount = 45;
+    res.json({
+      StatusCode: 200,
+      data: [
+        { numOfCohorts: cohortsCount },
+        { numOfProjects: projectsCount },
+        { numOfStudents: studentsCount },
+      ],
+    });
+  } catch (err) {
+    next(err);
+  }
+};
+
+module.exports = getStats;

test/index.test.js

@@ -320,3 +320,18 @@ describe('Admin, Put project', () => {
       });
   });
 });
+
+describe('Get stats', () => {
+  test('Route /stats status 200, json header ', (done) => {
+    return request(app)
+      .get('/api/v1/stats')
+      .expect(200)
+      .expect('Content-Type', /json/)
+      .end((err, res) => {
+        if (err) return done(err);
+        const { data } = res.body;
+        expect(data[0].numOfCohorts).toBe(2);
+        done();
+      });
+  });
+});