endpoint public/seminar/:id

server/api.js

@@ -5,6 +5,7 @@ const profile = require('./controllers/profile')
 const staffQuery = require('./controllers/public/staff')
 const visitsQuery = require('./controllers/public/visits')
 const seminarsQuery = require('./controllers/public/seminars')
+const seminarQuery = require('./controllers/public/seminar')
 
 const router = express.Router()
 
@@ -72,5 +73,10 @@ router.get('/public/seminars', async (req, res) => {
     res.send(await seminarsQuery(req))
 })
 
-module.exports = router
+router.get('/public/seminar/:id', async (req, res) => {
+    res.send(await seminarQuery(req))
+})
+
+module.exports =
+ router
 module.exports.ModelSchemas = ModelSchemas

server/controllers/public/seminar.js

@@ -0,0 +1,51 @@
+const EventSeminar = require('../../models/EventSeminar')
+const ObjectId = require('mongoose').Types.ObjectId
+
+async function seminarQuery(req) {
+    const seminar_id = req.params.id
+    const pipeline = [
+        { $match: {
+            startDatetime: {$gte: new Date()},
+            _id: new ObjectId(seminar_id),
+        }},
+        { $lookup: {
+            from: 'people',
+            localField: 'speaker',
+            foreignField: '_id',
+            as: 'speaker',
+        }},
+        { $unwind: {
+            path: '$speaker',
+            preserveNullAndEmptyArrays: true
+        }},
+        {$lookup: {
+            from: 'institutions',
+            localField: 'affiliations',
+            foreignField: '_id',
+            as: 'affiliations'
+        }},
+        { $project: {
+            _id: 1,
+            title: 1,
+            startDatetime: 1,
+            conferenceRoom: 1,
+            category: 1,
+            duration: 1,
+            speaker: {
+                _id: 1,
+                firstName: 1,
+                lastName: 1,
+                affiliations: 1,
+            },
+            abstract: 1,
+        }}
+    ]
+
+    // console.log(JSON.stringify({pipeline}))
+
+    const seminars = await EventSeminar.aggregate(pipeline)
+
+    return seminars
+}
+
+module.exports = seminarQuery