Restore Protected Branch related files

app/assets/javascripts/protected_branches/protected_branch_create.js.es6

 (global => {
   global.gl = global.gl || {};
 
+  const ACCESS_LEVELS = {
+    MERGE: 'merge_access_levels',
+    PUSH: 'push_access_levels',
+  };
+
+  const LEVEL_TYPES = {
+    ROLE: 'role',
+    USER: 'user',
+    GROUP: 'group'
+  };
+
   gl.ProtectedBranchCreate = class {
     constructor() {
       this.$wrap = this.$form = $('#new_protected_branch');
       this.buildDropdowns();
+      this.$branchInput = this.$wrap.find('input[name="protected_branch[name]"]');
+      this.bindEvents();
+    }
+
+    bindEvents() {
+      this.$form.on('submit', this.onFormSubmit.bind(this));
     }
 
     buildDropdowns() {
@@ -15,39 +32,87 @@
       this.onSelectCallback = this.onSelect.bind(this);
 
       // Allowed to Merge dropdown
-      new gl.ProtectedBranchAccessDropdown({
+      this[`${ACCESS_LEVELS.MERGE}_dropdown`] = new gl.ProtectedBranchAccessDropdown({
         $dropdown: $allowedToMergeDropdown,
-        data: gon.merge_access_levels,
-        onSelect: this.onSelectCallback
+        accessLevelsData: gon.merge_access_levels,
+        onSelect: this.onSelectCallback,
+        accessLevel: ACCESS_LEVELS.MERGE
       });
 
       // Allowed to Push dropdown
-      new gl.ProtectedBranchAccessDropdown({
+      this[`${ACCESS_LEVELS.PUSH}_dropdown`] = new gl.ProtectedBranchAccessDropdown({
         $dropdown: $allowedToPushDropdown,
-        data: gon.push_access_levels,
-        onSelect: this.onSelectCallback
+        accessLevelsData: gon.push_access_levels,
+        onSelect: this.onSelectCallback,
+        accessLevel: ACCESS_LEVELS.PUSH
       });
 
-      // Select default
-      $allowedToPushDropdown.data('glDropdown').selectRowAtIndex(0);
-      $allowedToMergeDropdown.data('glDropdown').selectRowAtIndex(0);
-
       // Protected branch dropdown
-      new ProtectedBranchDropdown({
+      new gl.ProtectedBranchDropdown({
         $dropdown: this.$wrap.find('.js-protected-branch-select'),
         onSelect: this.onSelectCallback
       });
     }
 
-    // This will run after clicked callback
+    // Enable submit button after selecting an option
     onSelect() {
+      const $allowedToMerge = this[`${ACCESS_LEVELS.MERGE}_dropdown`].getSelectedItems();
+      const $allowedToPush = this[`${ACCESS_LEVELS.PUSH}_dropdown`].getSelectedItems();
+      let toggle = !(this.$wrap.find('input[name="protected_branch[name]"]').val() && $allowedToMerge.length && $allowedToPush.length);
+
+      this.$form.find('input[type="submit"]').attr('disabled', toggle);
+    }
+
+    getFormData() {
+      let formData = {
+        authenticity_token: this.$form.find('input[name="authenticity_token"]').val(),
+        protected_branch: {
+          name: this.$wrap.find('input[name="protected_branch[name]"]').val(),
+        }
+      };
+
+      for (let ACCESS_LEVEL in ACCESS_LEVELS) {
+        let selectedItems = this[`${ACCESS_LEVELS[ACCESS_LEVEL]}_dropdown`].getSelectedItems();
+        let levelAttributes = [];
 
-      // Enable submit button
-      const $branchInput = this.$wrap.find('input[name="protected_branch[name]"]');
-      const $allowedToMergeInput = this.$wrap.find('input[name="protected_branch[merge_access_levels_attributes][0][access_level]"]');
-      const $allowedToPushInput = this.$wrap.find('input[name="protected_branch[push_access_levels_attributes][0][access_level]"]');
+        for (let i = 0; i < selectedItems.length; i++) {
+          let current = selectedItems[i];
 
-      this.$form.find('input[type="submit"]').attr('disabled', !($branchInput.val() && $allowedToMergeInput.length && $allowedToPushInput.length));
+          if (current.type === LEVEL_TYPES.USER) {
+            levelAttributes.push({
+              user_id: selectedItems[i].user_id
+            });
+          } else if (current.type === LEVEL_TYPES.ROLE) {
+            levelAttributes.push({
+              access_level: selectedItems[i].access_level
+            });
+          } else if (current.type === LEVEL_TYPES.GROUP) {
+            levelAttributes.push({
+              group_id: selectedItems[i].group_id
+            });
+          }
+        }
+
+        formData.protected_branch[`${ACCESS_LEVELS[ACCESS_LEVEL]}_attributes`] = levelAttributes; 
+      }
+
+      return formData;
+    }
+
+    onFormSubmit(e) {
+      e.preventDefault();
+
+      $.ajax({
+        url: this.$form.attr('action'),
+        method: this.$form.attr('method'),
+        data: this.getFormData()
+      })
+      .success(() => {
+        location.reload();
+      })
+      .fail(() => {
+        new Flash('Failed to protect the branch');
+      });
     }
   }
 

app/assets/javascripts/protected_branches/protected_branch_dropdown.js.es6

-class ProtectedBranchDropdown {
+(global => {
+  global.gl = global.gl || {};
+
+  class ProtectedBranchDropdown {
     constructor(options) {
       this.onSelect = options.onSelect;
       this.$dropdown = options.$dropdown;
@@ -40,16 +43,16 @@ class ProtectedBranchDropdown {
       });
     }
 
-  bindEvents() {
-    this.$protectedBranch.on('click', this.onClickCreateWildcard.bind(this));
-  }
-
     onClickCreateWildcard() {
       // Refresh the dropdown's data, which ends up calling `getProtectedBranches`
       this.$dropdown.data('glDropdown').remote.execute();
       this.$dropdown.data('glDropdown').selectRowAtIndex(0);
     } 
 
+    bindEvents() {
+      this.$protectedBranch.on('click', this.onClickCreateWildcard.bind(this));
+    }
+
     getProtectedBranches(term, callback) {
       if (this.selectedBranch) {
         callback(gon.open_branches.concat(this.selectedBranch));
@@ -73,4 +76,7 @@ class ProtectedBranchDropdown {
 
       this.$dropdownFooter.toggleClass('hidden', !branchName);
     }
-}
+  }
+
+  global.gl.ProtectedBranchDropdown = ProtectedBranchDropdown;
+})(window);

app/assets/javascripts/protected_branches/protected_branch_edit.js.es6

 (global => {
   global.gl = global.gl || {};
 
+  const ACCESS_LEVELS = {
+    MERGE: 'merge_access_levels',
+    PUSH: 'push_access_levels',
+  };
+
+  const LEVEL_TYPES = {
+    ROLE: 'role',
+    USER: 'user',
+    GROUP: 'group'
+  };
+
   gl.ProtectedBranchEdit = class {
     constructor(options) {
+      this.$wraps = {};
+      this.hasChanges = false;
       this.$wrap = options.$wrap;
       this.$allowedToMergeDropdown = this.$wrap.find('.js-allowed-to-merge');
       this.$allowedToPushDropdown = this.$wrap.find('.js-allowed-to-push');
 
+      this.$wraps[ACCESS_LEVELS.MERGE] = this.$allowedToMergeDropdown.closest(`.${ACCESS_LEVELS.MERGE}-container`);
+      this.$wraps[ACCESS_LEVELS.PUSH] = this.$allowedToPushDropdown.closest(`.${ACCESS_LEVELS.PUSH}-container`);
+
       this.buildDropdowns();
     }
 
     buildDropdowns() {
 
       // Allowed to merge dropdown
-      new gl.ProtectedBranchAccessDropdown({
+      this['merge_access_levels_dropdown'] = new gl.ProtectedBranchAccessDropdown({
+        accessLevel: ACCESS_LEVELS.MERGE,
+        accessLevelsData: gon.merge_access_levels,
         $dropdown: this.$allowedToMergeDropdown,
-        data: gon.merge_access_levels,
-        onSelect: this.onSelect.bind(this)
+        onSelect: this.onSelectOption.bind(this),
+        onHide: this.onDropdownHide.bind(this)
       });
 
       // Allowed to push dropdown
-      new gl.ProtectedBranchAccessDropdown({
+      this['push_access_levels_dropdown'] = new gl.ProtectedBranchAccessDropdown({
+        accessLevel: ACCESS_LEVELS.PUSH,
+        accessLevelsData: gon.push_access_levels,
         $dropdown: this.$allowedToPushDropdown,
-        data: gon.push_access_levels,
-        onSelect: this.onSelect.bind(this)
+        onSelect: this.onSelectOption.bind(this),
+        onHide: this.onDropdownHide.bind(this)
       });
     }
 
-    onSelect() {
-      const $allowedToMergeInput = this.$wrap.find(`input[name="${this.$allowedToMergeDropdown.data('fieldName')}"]`);
-      const $allowedToPushInput = this.$wrap.find(`input[name="${this.$allowedToPushDropdown.data('fieldName')}"]`);
+    onSelectOption(item, $el, dropdownInstance) {
+      this.hasChanges = true;
+    }
 
-      // Do not update if one dropdown has not selected any option
-      if (!($allowedToMergeInput.length && $allowedToPushInput.length)) return; 
+    onDropdownHide() {
+      if (!this.hasChanges) return;
+
+      this.hasChanges = true;
+
+      this.updatePermissions();
+    }
 
-      $.ajax({
+    updatePermissions() {
+      let formData = {};
+
+      for (let ACCESS_LEVEL in ACCESS_LEVELS) {
+        let accessLevelName = ACCESS_LEVELS[ACCESS_LEVEL];
+
+        formData[`${accessLevelName}_attributes`] = this[`${accessLevelName}_dropdown`].getInputData(accessLevelName);
+      }
+
+      return $.ajax({
         type: 'POST',
         url: this.$wrap.data('url'),
         dataType: 'json',
         data: {
           _method: 'PATCH',
-          protected_branch: {
-            merge_access_levels_attributes: [{
-              id: this.$allowedToMergeDropdown.data('access-level-id'),
-              access_level: $allowedToMergeInput.val()
-            }],
-            push_access_levels_attributes: [{
-              id: this.$allowedToPushDropdown.data('access-level-id'),
-              access_level: $allowedToPushInput.val()
-            }]
-          }
+          protected_branch: formData
         },
-        success: () => {
+        success: (response) => {
           this.$wrap.effect('highlight');
+          this.hasChanges = false;
+
+          for (let ACCESS_LEVEL in ACCESS_LEVELS) {
+            let accessLevelName = ACCESS_LEVELS[ACCESS_LEVEL];
+
+            // The data coming from server will be the new persisted *state* for each dropdown
+            this.setSelectedItemsToDropdown(response[accessLevelName], `${accessLevelName}_dropdown`);
+          }
         },
         error() {
           $.scrollTo(0);
@@ -60,6 +93,50 @@
         }
       });
     }
+
+    setSelectedItemsToDropdown(items = [], dropdownName) {
+      let itemsToAdd = [];
+
+      for (let i = 0; i < items.length; i++) {
+        let itemToAdd;
+        let currentItem = items[i];
+
+        if (currentItem.user_id) {
+
+          // Do this only for users for now
+          // get the current data for selected items 
+          let selectedItems = this[dropdownName].getSelectedItems();
+          let currentSelectedItem = _.findWhere(selectedItems, { user_id: currentItem.user_id });
+
+          itemToAdd = {
+            id: currentItem.id,
+            user_id: currentItem.user_id,
+            type: LEVEL_TYPES.USER,
+            persisted: true,
+            name: currentSelectedItem.name,
+            username: currentSelectedItem.username,
+            avatar_url: currentSelectedItem.avatar_url
+          }
+        } else if (currentItem.group_id) {
+          itemToAdd = {
+            id: currentItem.id,
+            group_id: currentItem.group_id,
+            type: LEVEL_TYPES.GROUP,
+            persisted: true
+          };
+        } else {
+          itemToAdd = {
+            id: currentItem.id,
+            access_level: currentItem.access_level,
+            type: LEVEL_TYPES.ROLE,
+            persisted: true
+          }
+        }
+
+        itemsToAdd.push(itemToAdd);
       }
 
+      this[dropdownName].setSelectedItems(itemsToAdd);
+    }
+  }
 })(window);