FEATURE: Support an end date for user silencing

app/assets/javascripts/admin/controllers/modals/admin-silence-user.js.es6

@@ -0,0 +1,50 @@
+import ModalFunctionality from 'discourse/mixins/modal-functionality';
+import computed from 'ember-addons/ember-computed-decorators';
+import { popupAjaxError } from 'discourse/lib/ajax-error';
+
+export default Ember.Controller.extend(ModalFunctionality, {
+  silenceUntil: null,
+  reason: null,
+  message: null,
+  silencing: false,
+  user: null,
+  post: null,
+  successCallback: null,
+
+  onShow() {
+    this.setProperties({
+      silenceUntil: null,
+      reason: null,
+      message: null,
+      silencing: false,
+      loadingUser: true,
+      post: null,
+      successCallback: null,
+    });
+  },
+
+  @computed('silenceUntil', 'reason', 'silencing')
+  submitDisabled(silenceUntil, reason, silencing) {
+    return (silencing || Ember.isEmpty(silenceUntil) || !reason || reason.length < 1);
+  },
+
+  actions: {
+    silence() {
+      if (this.get('submitDisabled')) { return; }
+
+      this.set('silencing', true);
+      this.get('user').silence({
+        silenced_till: this.get('silenceUntil'),
+        reason: this.get('reason'),
+        message: this.get('message'),
+        post_id: this.get('post.id')
+      }).then(result => {
+        this.send('closeModal');
+        let callback = this.get('successCallback');
+        if (callback) {
+          callback(result);
+        }
+      }).catch(popupAjaxError).finally(() => this.set('silencing', false));
+    }
+  }
+});