add support for Gotify push notifications

app/controllers/api/v1/Profile.controller.js

@@ -26,9 +26,101 @@ class ProfileController extends Controller {
             uid: user.uid,
             tagline: user.tagline,
             user_id: user.id,
+            ...(user.notify_config ? { notify_config: await user.notify_config.to_api() } : {})
         })
     }
 
+    async fetch_notify(req, res, next) {
+        const User = this.models.get('auth:User')
+
+        let user
+        if ( req.params.user_id === 'me' ) user = req.user
+        else { // If not me, verify that user can modify profile
+            if ( !req.user.can(`profile:update:${req.params.user_id}`) )
+                return res.status(401).api()
+
+            user = await User.findById(req.params.user_id)
+        }
+
+        if ( !user )
+            return res.status(404)
+                .message(req.T('api.user_not_found'))
+                .api()
+
+        if ( user.notify_config ) {
+            return res.api({
+                has_config: true,
+                config: await user.notify_config.to_api(),
+            })
+        } else {
+            return res.api({
+                has_config: false,
+            })
+        }
+    }
+
+    async test_notify(req, res, next) {
+        const User = this.models.get('auth:User')
+
+        let user
+        if ( req.params.user_id === 'me' ) user = req.user
+        else { // If not me, verify that user can modify profile
+            if ( !req.user.can(`profile:update:${req.params.user_id}`) )
+                return res.status(401).api()
+
+            user = await User.findById(req.params.user_id)
+        }
+
+        if ( !user )
+            return res.status(404)
+                .message(req.T('api.user_not_found'))
+                .api()
+
+        if ( user.notify_config && user.notify_config.active ) {
+            await user.notify_config.log({
+                message: req.T('profile.test_notification'),
+            })
+        }
+
+        return res.api()
+    }
+
+    async update_notify(req, res, next) {
+        const User = this.models.get('auth:User')
+        const NotifyConfig = this.models.get('system:NotifyConfig')
+
+        let user
+        if ( req.params.user_id === 'me' ) user = req.user
+        else { // If not me, verify that user can modify profile
+            if ( !req.user.can(`profile:update:${req.params.user_id}`) )
+                return res.status(401).api()
+
+            user = await User.findById(req.params.user_id)
+        }
+
+        if ( !user )
+            return res.status(404)
+                .message(req.T('api.user_not_found'))
+                .api()
+
+        if ( !user.notify_config ) {
+            user.notify_config = new NotifyConfig({
+                user_id: user.id,
+                gateway_url: String(req.body.gateway_url),
+                application_key: String(req.body.app_key),
+                created_on: new Date,
+                active: String(req.body.app_key) && String(req.body.gateway_url),
+            }, user)
+        } else {
+            user.notify_config.application_key = String(req.body.app_key)
+            user.notify_config.gateway_url = String(req.body.gateway_url)
+            user.notify_config.active = String(req.body.app_key) && String(req.body.gateway_url)
+        }
+
+        await user.save()
+        return res.api()
+    }
+
     async update(req, res, next) {
         const User = this.models.get('auth:User')