Settings resource; oauth2 app authorization model; UI cleanup

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

@@ -0,0 +1,47 @@
+const { Controller } = require('libflitter')
+
+class SettingsController extends Controller {
+    static get services() {
+        return [...super.services, 'models']
+    }
+
+    async get_settings(req, res, next) {
+        const Setting = this.models.get('Setting')
+        const settings = await Setting.find()
+        const data = []
+
+        for ( const setting of settings ) {
+            data.push(await setting.to_api())
+        }
+
+        return res.api(data)
+    }
+
+    async get_setting(req, res, next) {
+        const Setting = this.models.get('Setting')
+        const setting = await Setting.findOne({ key: req.params.key })
+
+        if ( !setting )
+            return res.status(404)
+                .message('No setting exists with that key.')
+                .api()
+
+        return res.api(await setting.to_api())
+    }
+
+    async update_setting(req, res, next) {
+        const Setting = this.models.get('Setting')
+        const setting = await Setting.findOne({ key: req.params.key })
+
+        if ( !setting )
+            return res.status(404)
+                .message('No setting exists with that key.')
+                .api()
+
+        setting.set(req.body.value)
+        await setting.save()
+        return res.api()
+    }
+}
+
+module.exports = exports = SettingsController