1 files changed, 85 insertions, 0 deletions
diff --git a/app/assets/javascripts/sidebar/lib/sidebar_move_issue.js b/app/assets/javascripts/sidebar/lib/sidebar_move_issue.js
new file mode 100644
index 00000000000..1c15a1b877a
--- /dev/null
+++ b/app/assets/javascripts/sidebar/lib/sidebar_move_issue.js
@@ -0,0 +1,85 @@
+/* global Flash */
+
+function isValidProjectId(id) {
+  return id > 0;
+}
+
+class SidebarMoveIssue {
+  constructor(mediator, dropdownToggle, confirmButton) {
+    this.mediator = mediator;
+
+    this.$dropdownToggle = $(dropdownToggle);
+    this.$confirmButton = $(confirmButton);
+
+    this.onConfirmClickedWrapper = this.onConfirmClicked.bind(this);
+  }
+
+  init() {
+    this.initDropdown();
+    this.addEventListeners();
+  }
+
+  destroy() {
+    this.removeEventListeners();
+  }
+
+  initDropdown() {
+    this.$dropdownToggle.glDropdown({
+      search: {
+        fields: ['name_with_namespace'],
+      },
+      showMenuAbove: true,
+      selectable: true,
+      filterable: true,
+      filterRemote: true,
+      multiSelect: false,
+      // Keep the dropdown open after selecting an option
+      shouldPropagate: false,
+      data: (searchTerm, callback) => {
+        this.mediator.fetchAutocompleteProjects(searchTerm)
+          .then(callback)
+          .catch(() => new Flash('An error occured while fetching projects autocomplete.'));
+      },
+      renderRow: project => `
+        <li>
+          <a href="#" class="js-move-issue-dropdown-item">
+            ${project.name_with_namespace}
+          </a>
+        </li>
+      `,
+      clicked: (options) => {
+        const project = options.selectedObj;
+        const selectedProjectId = options.isMarking ? project.id : 0;
+        this.mediator.setMoveToProjectId(selectedProjectId);
+
+        this.$confirmButton.attr('disabled', !isValidProjectId(selectedProjectId));
+      },
+    });
+  }
+
+  addEventListeners() {
+    this.$confirmButton.on('click', this.onConfirmClickedWrapper);
+  }
+
+  removeEventListeners() {
+    this.$confirmButton.off('click', this.onConfirmClickedWrapper);
+  }
+
+  onConfirmClicked() {
+    if (isValidProjectId(this.mediator.store.moveToProjectId)) {
+      this.$confirmButton
+        .disable()
+        .addClass('is-loading');
+
+      this.mediator.moveIssue()
+        .catch(() => {
+          Flash('An error occured while moving the issue.');
+          this.$confirmButton
+            .enable()
+            .removeClass('is-loading');
+        });
+    }
+  }
+}
+
+export default SidebarMoveIssue;