bulk move motions in call list

client/src/app/core/repositories/motions/motion-repository.service.ts

@@ -319,6 +319,19 @@ export class MotionRepositoryService extends BaseRepository<ViewMotion, Motion>
         await this.httpService.post(url, data);
     }
 
+    /**
+     * Sends the changed nodes to the server, with only the top nodes being submitted.
+     *
+     * @param data The reordered data from the sorting, as list of ViewMotions
+     * @param parent a parent id
+     */
+    public async sortMotionBranches(data: ViewMotion[], parent?: number): Promise<void> {
+        const url = '/rest/motions/motion/sort/';
+        const nodes = data.map(motion => ({ id: motion.id }));
+        const params = parent ? { nodes: nodes, parent_id: parent } : { nodes: nodes };
+        await this.httpService.post(url, params);
+    }
+
     /**
      * Supports the motion
      *

client/src/app/core/ui-services/tree.service.ts

@@ -131,4 +131,61 @@ export class TreeService {
         const tree = this.makeTree(items, weightKey, parentIdKey);
         return this.traverseTree(tree);
     }
+
+    /**
+     * Reduce a list of items to nodes independent from each other in a given
+     * branch of a tree
+     *
+     * @param branch the tree to traverse
+     * @param items the items to check
+     * @returns the selection of items that belong to different branches
+     */
+    private getTopItemsFromBranch<T extends Identifiable & Displayable>(branch: OSTreeNode<T>, items: T[]): T[] {
+        const item = items.find(i => branch.item.id === i.id);
+        if (item) {
+            return [item];
+        } else if (!branch.children) {
+            return [];
+        } else {
+            return [].concat(...branch.children.map(child => this.getTopItemsFromBranch(child, items)));
+        }
+    }
+
+    /**
+     * Reduce a list of items to nodes independent from each other in a given tree
+     *
+     * @param tree the tree to traverse
+     * @param items the items to check
+     * @returns the selection of items that belong to different branches
+     */
+    public getTopItemsFromTree<T extends Identifiable & Displayable>(tree: OSTreeNode<T>[], items: T[]): T[] {
+        let results: T[] = [];
+        tree.forEach(branch => {
+            const i = this.getTopItemsFromBranch(branch, items);
+            if (i.length) {
+                results = results.concat(i);
+            }
+        });
+        return results;
+    }
+
+    /**
+     * Return all items not being hierarchically dependant on the items in the input arrray
+     *
+     * @param tree
+     * @param items
+     * @returns all items that are neither in the input nor dependants of  items in the input
+     */
+    public getTreeWithoutSelection<T extends Identifiable & Displayable>(tree: OSTreeNode<T>[], items: T[]): T[] {
+        let result: T[] = [];
+        tree.forEach(branch => {
+            if (!items.find(i => i.id === branch.item.id)) {
+                result.push(branch.item);
+                if (branch.children) {
+                    result = result.concat(this.getTreeWithoutSelection(branch.children, items));
+                }
+            }
+        });
+        return result;
+    }
 }

client/src/app/site/motions/components/motion-list/motion-list.component.html

@@ -248,10 +248,13 @@
                 <span translate>Add/remove tags</span>
             </button>
             <button mat-menu-item (click)="multiselectWrapper(multiselectService.moveToItem(selectedRows))">
-                <!-- TODO: Not implemented yet -->
                 <mat-icon>sort</mat-icon>
                 <span translate>Move to agenda item</span>
             </button>
+            <button mat-menu-item (click)="multiselectWrapper(multiselectService.bulkMoveItems(selectedRows))">
+                    <mat-icon>format_indent_increase</mat-icon>
+                    <span translate>Move in call list</span>
+                </button>
         </div>
         <div *ngIf="perms.isAllowed('manage')">
             <mat-divider></mat-divider>

client/src/app/site/motions/services/motion-multiselect.service.ts

@@ -15,6 +15,7 @@ import { ItemRepositoryService } from 'app/core/repositories/agenda/item-reposit
 import { Displayable } from 'app/site/base/displayable';
 import { Identifiable } from 'app/shared/models/base/identifiable';
 import { MotionBlockRepositoryService } from 'app/core/repositories/motions/motion-block-repository.service';
+import { TreeService } from 'app/core/ui-services/tree.service';
 
 /**
  * Contains all multiselect actions for the motion list view.
@@ -37,6 +38,7 @@ export class MotionMultiselectService {
      * @param agendaRepo
      * @param motionBlockRepo
      * @param httpService
+     * @param treeService
      */
     public constructor(
         private repo: MotionRepositoryService,
@@ -49,7 +51,8 @@ export class MotionMultiselectService {
         private tagRepo: TagRepositoryService,
         private agendaRepo: ItemRepositoryService,
         private motionBlockRepo: MotionBlockRepositoryService,
-        private httpService: HttpService
+        private httpService: HttpService,
+        private treeService: TreeService
     ) {}
 
     /**
@@ -247,4 +250,37 @@ export class MotionMultiselectService {
             }
         }
     }
+
+    /**
+     * Triggers the selected motions to be moved in the call-list (sort_parent, weight)
+     * as children or as following after a selected motion.
+     *
+     * @param motions The motions to move
+     */
+    public async bulkMoveItems(motions: ViewMotion[]): Promise<void> {
+        const title = this.translate.instant('This will assign the selected motions as belonging to:');
+        const options = ['Set as parent', 'Insert after'];
+        const allMotions = this.repo.getViewModelList();
+        const tree = this.treeService.makeTree(allMotions, 'weight', 'sort_parent_id');
+        const itemsToMove = this.treeService.getTopItemsFromTree(tree, motions);
+        const selectableItems = this.treeService.getTreeWithoutSelection(tree, motions);
+
+        const selectedChoice = await this.choiceService.open(title, selectableItems, false, options);
+        if (selectedChoice) {
+            if (selectedChoice.action === options[0]) {
+                // set choice as parent
+                this.repo.sortMotionBranches(itemsToMove, selectedChoice.items as number);
+            } else if (selectedChoice.action === options[1]) {
+                // insert after chosen
+                const olderSibling = this.repo.getViewModel(selectedChoice.items as number);
+                const parentId = olderSibling ? olderSibling.sort_parent_id : null;
+                const siblings = this.repo.getViewModelList().filter(motion => motion.sort_parent_id === parentId);
+                const idx = siblings.findIndex(sib => sib.id === olderSibling.id);
+                const before = siblings.slice(0, idx + 1);
+                const after = siblings.slice(idx + 1);
+                const sum = [].concat(before, itemsToMove, after);
+                this.repo.sortMotionBranches(sum, parentId);
+            }
+        }
+    }
 }