Initial commit

endpoints/addusertogroup.js

@@ -0,0 +1,60 @@
+//Call for adding a user to a group
+//
+const handleAddUserToGroup = (req, res, db) => {
+    //Parsing req body 
+    const { reqgroup, requser} =req.body;
+    //Checking if user-group combination existis in DB table groups
+    //if yes returns error if no inserts in DB table
+    db.transaction (trx => {
+        trx.select('groupname')
+        .from('groups')
+        .where('groupname', 'ilike', reqgroup)
+        .andWhere('username','ilike', requser)
+        .then( data => {
+            if (data.length===0) {
+                return trx('groups')
+                .returning('*')
+                .insert({
+                    groupname: reqgroup,
+                    username: requser
+                })
+                .into('groups')
+                .then( group => {
+                    res.json(group[0]);
+                })
+            } 
+            return res.status(400).json('This user already exists in this group.');
+        })
+        .then(trx.commit)
+        .catch(trx.rollback)
+        .catch (err => res.status(400).json('Error accesing database.'))
+    })
+    //Checking if user existis in DB table users 
+    //if no inserts new user (implicitly)
+    db.transaction (trx => {
+        trx.select('username')
+        .from('users')
+        .where('username', 'ilike', requser)
+        .then ( data => {
+            if (data.length===0) {
+                return trx('users')
+                .returning('*')
+                .insert( {
+                    username: requser
+                })
+                .then(user => {
+                    console.log('Inserted new user implicitly.');
+                })
+            }
+        })
+        .then(trx.commit)
+        .catch(trx.rollback)
+    })
+}
+
+module.exports = {
+    handleAddUserToGroup
+}
+
+
+