Refactors most controllers and directives into classes for more organized and maintainable code

app/assets/javascripts/services/alertManager.js

@@ -0,0 +1,71 @@
+import { SFAlertManager } from 'snjs';
+import { SKAlert } from 'sn-stylekit';
+
+export class AlertManager extends SFAlertManager {
+  /* @ngInject */
+  constructor($timeout) {
+    super();
+    this.$timeout = $timeout;
+  }
+
+  async alert({
+    title, 
+    text,
+    closeButtonText = "OK",
+    onClose} = {}
+  ) {
+    return new Promise((resolve, reject) => {
+      const buttons = [
+        {
+          text: closeButtonText,
+          style: "neutral",
+          action: async () => {
+            if(onClose) {
+              this.$timeout(onClose);
+            }
+            resolve(true);
+          }
+        }
+      ];
+      const alert = new SKAlert({title, text, buttons});
+      alert.present();
+    });
+  }
+
+  async confirm({
+    title,
+    text,
+    confirmButtonText = "Confirm",
+    cancelButtonText = "Cancel",
+    onConfirm,
+    onCancel,
+    destructive = false
+  } = {}) {
+    return new Promise((resolve, reject) => {
+      const buttons = [
+        {
+          text: cancelButtonText,
+          style: "neutral",
+          action: async () => {
+            if(onCancel) {
+              this.$timeout(onCancel);
+            }
+            reject(false);
+          }
+        },
+        {
+          text: confirmButtonText,
+          style: destructive ? "danger" : "info",
+          action: async () => {
+            if(onConfirm) {
+              this.$timeout(onConfirm);
+            }
+            resolve(true);
+          }
+        },
+      ];
+      const alert = new SKAlert({title, text, buttons});
+      alert.present();
+    });
+  }
+}