T-954157790456099: add get endpoint to retrieve user profile by number

src/config/errors.js

@@ -21,4 +21,5 @@ module.exports = {
   MISSING_BODY_ATTRIBUTES: 'request/missing-body-attributes',
   //Profile Errors
   MAX_NUMBER_OF_PROFILES_REACHED: 'profile/max-number-of-profiles-are-being-used',
+  NO_PROFILE_FOUND_FOR_NUMBER: 'profile/no-profile-was-found-for-the-profile-number-passed',
 };

src/config/router.js

@@ -21,6 +21,7 @@ function router(app) {
 
   // Profile Endpoints
   app.post('/profiles/:profileNumber', ProfileHandlers.updateUserProfile);
+  app.get('profiles/:profileNumber', ProfileHandlers.getUserProfile);
 }
 
 module.exports = router;

src/ups/profiles/dao.js

@@ -22,7 +22,28 @@ function updateProfile(profileObj, profileNumber, tagferId) {
     return database.ref(`/profiles/${tagferId}/profile${profileNumber}`).set(profileObj);
 }
 
+/**
+ * Gets a user profile
+ * @param {Number} profileNumber profile number that identifies which profile information to get for a user
+ * @returns {Object} Profile object containg information for a specific user's profile 
+ */
+async function getProfile(profileNumber) {
+    //get tagfer-id from loki
+    const sessions = loki.getCollection("sessions");
+    const primarySession = sessions.get(1);
+    const tagferId = primarySession.tagferId;
+
+    var profile = null;
+    await database.ref(`/profiles/${tagferId}/profile${profileNumber}`).once('value').then(function(snapshot) {
+        if (snapshot.val()) {
+            profile = snapshot.val();
+        }
+    });
+    return profile;
+}
+
 module.exports = {
     updateProfile,
     createInitialProfiles
+    getProfile
 };

src/ups/profiles/handlers.js

@@ -33,6 +33,21 @@ async function updateUserProfile(req, res) {
     }
 }
 
+async function getUserProfile(req, res) {
+   const { profileNumber } = req.param;
+
+   var profile = dao.getProfile(profileNumber).then( (profile) => {
+        if (profile) {
+            res.json({ profile, status: http.OK})
+        } else {
+            res.json({error: errors.NO_PROFILE_FOUND_FOR_NUMBER , status: http.BAD_REQUEST})
+        }
+   }).catch( error => {
+        res.json({status: http.INTERNAL_SERVER_ERROR, error})
+   })
+}
+
 module.exports = {
     updateUserProfile
+    getUserProfile
 }