Enhance amendment list and routing logic

Enhances routing logic and amendment list

client/src/app/core/ui-services/base-filter-list.service.ts

@@ -241,8 +241,12 @@ export abstract class BaseFilterListService<V extends BaseViewModel> {
                 storedFilter = await this.store.get<OsFilter[]>('filter_' + this.storageKey);
             }
 
-            if (!!storedFilter) {
+            if (storedFilter && storedFilter.length && newDefinitions && newDefinitions.length) {
                 for (const newDef of newDefinitions) {
+                    console.log('set filter');
+
+                    // for some weird angular bugs, newDef can actually be undefined
+                    if (newDef) {
                         let count = 0;
                         const matchingExistingFilter = storedFilter.find(oldDef => oldDef.property === newDef.property);
                         for (const option of newDef.options) {
@@ -265,6 +269,7 @@ export abstract class BaseFilterListService<V extends BaseViewModel> {
                         newDef.count = count;
                     }
                 }
+            }
 
             this.filterDefinitions = newDefinitions;
             this.storeActiveFilters();

client/src/app/core/ui-services/routing-state.service.ts

@@ -31,7 +31,7 @@ export class RoutingStateService {
         if (this._previousUrl) {
             return !this.unsafeUrls.some(unsafeUrl => this._previousUrl.includes(unsafeUrl));
         } else {
-            return false;
+            return true;
         }
     }
 

client/src/app/site/motions/modules/amendment-list/amendment-list.component.ts

@@ -30,7 +30,11 @@ import { ViewMotion } from '../../models/view-motion';
     changeDetection: ChangeDetectionStrategy.OnPush
 })
 export class AmendmentListComponent extends BaseListViewComponent<ViewMotion> implements OnInit {
+    /**
+     * Has the id of the parent motion if passed through the constructor
+     */
     private parentMotionId: number;
+
     /**
      * Hold item visibility
      */
@@ -95,6 +99,11 @@ export class AmendmentListComponent extends BaseListViewComponent<ViewMotion> im
         super.setTitle('Amendments');
         this.canMultiSelect = true;
         this.parentMotionId = parseInt(route.snapshot.params.id, 10);
+        if (this.parentMotionId) {
+            this.amendmentFilterService.parentMotionId = this.parentMotionId;
+        } else {
+            this.amendmentFilterService.parentMotionId = undefined;
+        }
     }
 
     /**
@@ -106,10 +115,7 @@ export class AmendmentListComponent extends BaseListViewComponent<ViewMotion> im
         });
 
         if (!!this.parentMotionId) {
-            this.amendmentFilterService.clearAllFilters();
+            // this.amendmentFilterService.clearAllFilters();
-            this.amendmentFilterService.parentMotionId = this.parentMotionId;
-        } else {
-            this.amendmentFilterService.parentMotionId = 0;
         }
     }
 

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

@@ -2,7 +2,6 @@
     [mainButton]="perms.isAllowed('can_create_amendments', motion)"
     mainActionTooltip="New amendment"
     [prevUrl]="getPrevUrl()"
-    [goBack]="routingStateService.isSafePrevUrl"
     [nav]="false"
     [editMode]="editMotion"
     [isSaveButtonEnabled]="contentForm.valid"
@@ -441,12 +440,11 @@
         <!-- Ammendments -->
         <div *ngIf="!editMotion && amendments && amendments.length > 0">
             <h4 translate>Amendments</h4>
-            <a *ngIf="amendments.length === 1" [routerLink]="['/motions/amendments', motion.id]">
+            <a [routerLink]="['/motions/amendments', motion.id]">
-                {{ amendments.length }} <span translate>Amendment</span>
+                {{ amendments.length }}
+                <span *ngIf="amendments.length === 1" translate>Amendment</span>
+                <span *ngIf="amendments.length > 1" translate>Amendments</span>
             </a>
-            <a *ngIf="amendments.length > 1" [routerLink]="['/motions/amendments', motion.id]">
-                {{ amendments.length }} <span translate>Amendments</span></a
-            >
         </div>
 
         <!-- motion polls -->

client/src/app/site/motions/modules/motion-detail/components/motion-detail/motion-detail.component.ts

@@ -447,7 +447,7 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
         private itemRepo: ItemRepositoryService,
         private motionSortService: MotionSortListService,
         private motionFilterService: MotionFilterListService,
-        public routingStateService: RoutingStateService
+        private routingStateService: RoutingStateService
     ) {
         super(title, translate, matSnackBar);
     }
@@ -1557,7 +1557,15 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
     public getPrevUrl(): string {
         if (this.motion && this.motion.parent_id) {
             if (this.routingStateService.previousUrl && this.routingStateService.isSafePrevUrl) {
+                if (
+                    (this.previousMotion &&
+                        this.routingStateService.previousUrl === this.previousMotion.getDetailStateURL()) ||
+                    (this.nextMotion && this.routingStateService.previousUrl === this.nextMotion.getDetailStateURL())
+                ) {
+                    return '../..';
+                } else {
                     return this.routingStateService.previousUrl;
+                }
             } else {
                 return this.motion.parent.getDetailStateURL();
             }

client/src/app/site/motions/services/amendment-filter-list.service.ts

@@ -26,26 +26,35 @@ export class AmendmentFilterListService extends MotionFilterListService {
     /**
      * Private accessor for an amendment id
      */
-    private _parentMotionId: number;
+    public _parentMotionId: number;
 
     /**
      * set the storage key nae
      */
-    protected storageKey = 'AmendmentList';
+    protected storageKey: string;
+
+    /**
+     * The sorage key prefix to identify the parent id
+     */
+    private keyPrefix = 'AmendmentList';
+
+    /**
+     * Filters by motion parent id
+     */
+    private motionFilterOptions: OsFilter = {
+        property: 'parent_id',
+        label: 'Motion',
+        options: []
+    };
 
     /**
      * publicly get an amendment id
      */
     public set parentMotionId(id: number) {
         this._parentMotionId = id;
+        this.updateStorageKey();
     }
 
-    private motionFilterOptions: OsFilter = {
-        property: 'parent_id',
-        label: 'Motion',
-        options: []
-    };
-
     public constructor(
         store: StorageService,
         OSStatus: OpenSlidesStatusService,
@@ -77,10 +86,21 @@ export class AmendmentFilterListService extends MotionFilterListService {
         );
     }
 
+    /**
+     * Function to define a new storage key by parent id
+     */
+    private updateStorageKey(): void {
+        if (!!this._parentMotionId) {
+            this.storageKey = `${this.keyPrefix}_parentId_${this._parentMotionId}`;
+        } else {
+            this.storageKey = this.keyPrefix;
+        }
+    }
+
     /**
      * @override from base filter list service
      *
-     * @returns the list of Motions which only contains view motions
+     * @returns the only motons with a parentId
      */
     protected preFilter(motions: ViewMotion[]): ViewMotion[] {
         return motions.filter(motion => {
@@ -96,6 +116,8 @@ export class AmendmentFilterListService extends MotionFilterListService {
      * Currently, no filters for the amendment list, except the pre-filter
      */
     protected getFilterDefinitions(): OsFilter[] {
+        if (this.motionFilterOptions) {
             return [this.motionFilterOptions].concat(super.getFilterDefinitions());
         }
+    }
 }