sorting from inside base repositories

Authors: FinnStutzenstein, MaximilianKrambach, tsiegleauq

client/src/app/core/repositories/agenda/item-repository.service.ts

@@ -2,6 +2,8 @@ import { Injectable } from '@angular/core';
 import { tap, map } from 'rxjs/operators';
 import { Observable } from 'rxjs';
 
+import { TranslateService } from '@ngx-translate/core';
+
 import { BaseAgendaContentObjectRepository } from '../base-agenda-content-object-repository';
 import { BaseRepository } from '../base-repository';
 import { BaseAgendaViewModel } from 'app/site/base/base-agenda-view-model';
@@ -13,7 +15,6 @@ import { DataStoreService } from '../../core-services/data-store.service';
 import { HttpService } from 'app/core/core-services/http.service';
 import { Item } from 'app/shared/models/agenda/item';
 import { OSTreeSortEvent } from 'app/shared/components/sorting-tree/sorting-tree.component';
-import { TranslateService } from '@ngx-translate/core';
 import { TreeService } from 'app/core/ui-services/tree.service';
 import { ViewItem } from 'app/site/agenda/models/view-item';
 import { ViewModelStoreService } from 'app/core/core-services/view-model-store.service';
@@ -39,15 +40,15 @@ export class ItemRepositoryService extends BaseRepository<ViewItem, Item> {
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
         private httpService: HttpService,
         private config: ConfigService,
-        private treeService: TreeService,
+        private treeService: TreeService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Item);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Item);
     }
 
     public getVerboseName = (plural: boolean = false) => {
@@ -85,7 +86,7 @@ export class ItemRepositoryService extends BaseRepository<ViewItem, Item> {
                 const repo = this.collectionStringMapperService.getRepository(
                     viewItem.item.content_object.collection
                 ) as BaseAgendaContentObjectRepository<any, any>;
-                return numberPrefix + repo.getAgendaTitleWithType(viewItem);
+                return numberPrefix + repo.getAgendaTitleWithType(viewItem.title_information);
             }
         };
         viewItem.getListTitle = viewItem.getTitle;

client/src/app/core/repositories/agenda/topic-repository.service.ts

@@ -30,12 +30,12 @@ export class TopicRepositoryService extends BaseAgendaContentObjectRepository<Vi
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Topic, [Mediafile, Item]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Topic, [Mediafile, Item]);
     }
 
     public getAgendaTitle = (topic: Partial<Topic> | Partial<ViewTopic>) => {

client/src/app/core/repositories/assignments/assignment-repository.service.ts

@@ -36,9 +36,9 @@ export class AssignmentRepositoryService extends BaseAgendaContentObjectReposito
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        private translate: TranslateService
+        translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Assignment, [User, Item, Tag]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Assignment, [User, Item, Tag]);
     }
 
     public getAgendaTitle = (assignment: Partial<Assignment> | Partial<ViewAssignment>) => {

client/src/app/core/repositories/base-agenda-content-object-repository.ts

@@ -1,3 +1,5 @@
+import { TranslateService } from '@ngx-translate/core';
+
 import { BaseViewModel } from '../../site/base/base-view-model';
 import { BaseModel, ModelConstructor } from '../../shared/models/base/base-model';
 import { CollectionStringMapperService } from '../core-services/collectionStringMapper.service';
@@ -25,9 +27,18 @@ export abstract class BaseAgendaContentObjectRepository<
         dataSend: DataSendService,
         collectionStringMapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
+        translate: TranslateService,
         baseModelCtor: ModelConstructor<M>,
         depsModelCtors?: ModelConstructor<BaseModel>[]
     ) {
-        super(DS, dataSend, collectionStringMapperService, viewModelStoreService, baseModelCtor, depsModelCtors);
+        super(
+            DS,
+            dataSend,
+            collectionStringMapperService,
+            viewModelStoreService,
+            translate,
+            baseModelCtor,
+            depsModelCtors
+        );
     }
 }

client/src/app/core/repositories/base-repository.ts

@@ -1,4 +1,5 @@
 import { BehaviorSubject, Observable, Subject } from 'rxjs';
+import { TranslateService } from '@ngx-translate/core';
 
 import { BaseViewModel } from '../../site/base/base-view-model';
 import { BaseModel, ModelConstructor } from '../../shared/models/base/base-model';
@@ -24,17 +25,35 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
     protected viewModelSubjects: { [modelId: number]: BehaviorSubject<V> } = {};
 
     /**
-     * Observable subject for the whole list
+     * Observable subject for the whole list. These entries are unsorted an not piped through
+     * autodTime. Just use this internally.
+     *
+     * It's used to debounce messages on the sortedViewModelListSubject
      */
-    protected readonly viewModelListSubject: BehaviorSubject<V[]> = new BehaviorSubject<V[]>([]);
+    private readonly viewModelListSubject: BehaviorSubject<V[]> = new BehaviorSubject<V[]>([]);
 
-    protected readonly viewModelListAuditSubject: BehaviorSubject<V[]> = new BehaviorSubject<V[]>([]);
+    /**
+     * Observable subject for the sorted view model list.
+     *
+     * All data is piped through an auditTime of 1ms. This is to prevent massive
+     * updates, if e.g. an autoupdate with a lot motions come in. The result is just one
+     * update of the new list instead of many unnecessary updates.
+     */
+    protected readonly sortedViewModelListSubject: BehaviorSubject<V[]> = new BehaviorSubject<V[]>([]);
 
     /**
      * Observable subject for any changes of view models.
      */
     protected readonly generalViewModelSubject: Subject<V> = new Subject<V>();
 
+    /**
+     * Can be used by the sort functions.
+     */
+    protected languageCollator: Intl.Collator;
+
+    /**
+     * The collection string of the managed model.
+     */
     private _collectionString: string;
 
     public get collectionString(): string {
@@ -65,16 +84,28 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
         protected dataSend: DataSendService,
         protected collectionStringMapperService: CollectionStringMapperService,
         protected viewModelStoreService: ViewModelStoreService,
+        protected translate: TranslateService,
         protected baseModelCtor: ModelConstructor<M>,
         protected depsModelCtors?: ModelConstructor<BaseModel>[]
     ) {
         this._collectionString = baseModelCtor.COLLECTIONSTRING;
 
-        this.getViewModelListObservable().subscribe(x => this.viewModelListAuditSubject.next(x));
+        // All data is piped through an auditTime of 1ms. This is to prevent massive
+        // updates, if e.g. an autoupdate with a lot motions come in. The result is just one
+        // update of the new list instead of many unnecessary updates.
+        this.viewModelListSubject.pipe(auditTime(1)).subscribe(models => {
+            this.sortedViewModelListSubject.next(models.sort(this.viewModelSortFn));
+        });
+
+        this.languageCollator = new Intl.Collator(this.translate.currentLang);
     }
 
     public onAfterAppsLoaded(): void {
         this.DS.clearObservable.subscribe(() => this.clear());
+        this.translate.onLangChange.subscribe(change => {
+            this.languageCollator = new Intl.Collator(change.lang);
+            this.updateViewModelListObservable();
+        });
 
         // Populate the local viewModelStore with ViewModel Objects.
         this.DS.getAll(this.baseModelCtor).forEach((model: M) => {
@@ -202,6 +233,19 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
      */
     protected clear(): void {
         this.viewModelStore = {};
+    }
+    /**
+     * The function used for sorting the data of this repository. The defualt sorts by ID.
+     */
+    protected viewModelSortFn: (a: V, b: V) => number = (a: V, b: V) => a.id - b.id;
+
+    /**
+     * Setter for a sort function. Updates the sorting.
+     *
+     * @param fn a sort function
+     */
+    public setSortFunction(fn: (a: V, b: V) => number): void {
+        this.viewModelSortFn = fn;
         this.updateViewModelListObservable();
     }
 
@@ -213,14 +257,24 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
     }
 
     /**
-     * helper function to return the viewModel as array
+     * @returns all view models stored in this repository. Sorting is not guaranteed
      */
     public getViewModelList(): V[] {
         return Object.values(this.viewModelStore);
     }
 
     /**
-     * returns the current observable for one viewModel
+     * Get a sorted ViewModelList. This passes through a (1ms short) delay,
+     * thus may not be accurate, especially on application loading.
+     *
+     * @returns all sorted view models stored in this repository.
+     */
+    public getSortedViewModelList(): V[] {
+        return this.sortedViewModelListSubject.getValue();
+    }
+
+    /**
+     * @returns the current observable for one viewModel
      */
     public getViewModelObservable(id: number): Observable<V> {
         if (!this.viewModelSubjects[id]) {
@@ -230,14 +284,10 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
     }
 
     /**
-     * Return the Observable of the whole store.
+     * @returns the (sorted) Observable of the whole store.
-     *
-     * All data is piped through an auditTime of 1ms. This is to prevent massive
-     * updates, if e.g. an autoupdate with a lot motions come in. The result is just one
-     * update of the new list instead of many unnecessary updates.
      */
     public getViewModelListObservable(): Observable<V[]> {
-        return this.viewModelListSubject.asObservable().pipe(auditTime(1));
+        return this.sortedViewModelListSubject.asObservable();
     }
 
     /**
@@ -247,7 +297,7 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
      * @returns A subject that holds the model list
      */
     public getViewModelListBehaviorSubject(): BehaviorSubject<V[]> {
-        return this.viewModelListAuditSubject;
+        return this.sortedViewModelListSubject;
     }
 
     /**
@@ -268,7 +318,7 @@ export abstract class BaseRepository<V extends BaseViewModel, M extends BaseMode
     }
 
     /**
-     * update the observable of the list
+     * update the observable of the list. Also updates the sorting of the view model list.
      */
     protected updateViewModelListObservable(): void {
         this.viewModelListSubject.next(this.getViewModelList());

client/src/app/core/repositories/common/chatmessage-repository.service.ts

@@ -17,9 +17,9 @@ export class ChatMessageRepositoryService extends BaseRepository<ViewChatMessage
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        private translate: TranslateService
+        translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, ChatMessage);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, ChatMessage);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/config/config-repository.service.ts

@@ -100,11 +100,11 @@ export class ConfigRepositoryService extends BaseRepository<ViewConfig, Config>
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
+        translate: TranslateService,
         private constantsService: ConstantsService,
-        private http: HttpService,
+        private http: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Config);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Config);
 
         this.constantsService.get('OpenSlidesConfigVariables').subscribe(constant => {
             this.createConfigStructure(constant);

client/src/app/core/repositories/history/history-repository.service.ts

@@ -35,11 +35,11 @@ export class HistoryRepositoryService extends BaseRepository<ViewHistory, Histor
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
+        translate: TranslateService,
         private httpService: HttpService,
-        private timeTravel: TimeTravelService,
+        private timeTravel: TimeTravelService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, History, [User]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, History, [User]);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/mediafiles/mediafile-repository.service.ts

@@ -32,11 +32,12 @@ export class MediafileRepositoryService extends BaseRepository<ViewMediafile, Me
         DS: DataStoreService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
+        translate: TranslateService,
         protected dataSend: DataSendService,
-        private httpService: HttpService,
+        private httpService: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Mediafile, [User]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Mediafile, [User]);
+        this.initSorting();
     }
 
     public getVerboseName = (plural: boolean = false) => {
@@ -69,4 +70,13 @@ export class MediafileRepositoryService extends BaseRepository<ViewMediafile, Me
         const emptyHeader = new HttpHeaders();
         return this.httpService.post<Identifiable>(restPath, file, {}, emptyHeader);
     }
+
+    /**
+     * Sets the default sorting (e.g. in dropdowns and for new users) to 'title'
+     */
+    private initSorting(): void {
+        this.setSortFunction((a: ViewMediafile, b: ViewMediafile) => {
+            return this.languageCollator.compare(a.title, b.title);
+        });
+    }
 }

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

@@ -1,6 +1,5 @@
 import { Injectable } from '@angular/core';
 
-import { BehaviorSubject, Observable } from 'rxjs';
 import { TranslateService } from '@ngx-translate/core';
 
 import { BaseRepository } from '../base-repository';
@@ -13,6 +12,8 @@ import { HttpService } from '../../core-services/http.service';
 import { ViewCategory } from 'app/site/motions/models/view-category';
 import { ViewModelStoreService } from 'app/core/core-services/view-model-store.service';
 
+type SortProperty = 'prefix' | 'name';
+
 /**
  * Repository Services for Categories
  *
@@ -27,6 +28,8 @@ import { ViewModelStoreService } from 'app/core/core-services/view-model-store.s
     providedIn: 'root'
 })
 export class CategoryRepositoryService extends BaseRepository<ViewCategory, Category> {
+    private sortProperty: SortProperty;
+
     /**
      * Creates a CategoryRepository
      * Converts existing and incoming category to ViewCategories
@@ -40,15 +43,21 @@ export class CategoryRepositoryService extends BaseRepository<ViewCategory, Cate
      * @param translate translationService to get the currently selected locale
      */
     public constructor(
-        protected DS: DataStoreService,
+        DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
         private httpService: HttpService,
-        private configService: ConfigService,
+        private configService: ConfigService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Category);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Category);
+
+        this.sortProperty = this.configService.instant('motions_category_sorting');
+        this.configService.get<SortProperty>('motions_category_sorting').subscribe(conf => {
+            this.sortProperty = conf;
+            this.setConfigSortFn();
+        });
     }
 
     public getVerboseName = (plural: boolean = false) => {
@@ -66,8 +75,7 @@ export class CategoryRepositoryService extends BaseRepository<ViewCategory, Cate
      * @param category_id category ID
      */
     public getCategoryByID(category_id: number): Category {
-        const catList = this.DS.getAll(Category);
+        return this.DS.find<Category>(Category, cat => cat.id === category_id);
-        return catList.find(category => category.id === category_id);
     }
 
     /**
@@ -81,36 +89,19 @@ export class CategoryRepositoryService extends BaseRepository<ViewCategory, Cate
     }
 
     /**
-     * @ returns the observable for categories sorted according to configuration
+     * Triggers an update for the sort function responsible for the default sorting of data items
      */
-    public getSortedViewModelListObservable(): Observable<ViewCategory[]> {
+    public setConfigSortFn(): void {
-        const subject = new BehaviorSubject<ViewCategory[]>([]);
+        this.setSortFunction((a: ViewCategory, b: ViewCategory) => {
-        this.getViewModelListObservable().subscribe(categories => {
+            if (a[this.sortProperty] && b[this.sortProperty]) {
-            subject.next(this.sortViewCategoriesByConfig(categories));
+                return this.languageCollator.compare(a[this.sortProperty], b[this.sortProperty]);
-        });
+            } else if (this.sortProperty === 'prefix') {
-        return subject.asObservable();
-    }
-
-    /**
-     * Sort viewCategories by the configured settings
-     *
-     * @param categories
-     * @returns the categories sorted by prefix or name, according to the config setting
-     *
-     * TODO: That operation is HEAVY
-     */
-    public sortViewCategoriesByConfig(categories: ViewCategory[]): ViewCategory[] {
-        const sort = this.configService.instant<'prefix' | 'name'>('motions_category_sorting') || 'prefix';
-        return categories.sort((a, b) => {
-            if (a[sort] && b[sort]) {
-                return a[sort].localeCompare(b[sort], this.translate.currentLang);
-            } else if (sort === 'prefix') {
                 if (a.prefix) {
                     return 1;
                 } else if (b.prefix) {
                     return -1;
                 } else {
-                    return a.name.localeCompare(b.name);
+                    return this.languageCollator.compare(a.name, b.name);
                 }
             }
         });

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

@@ -45,12 +45,12 @@ export class ChangeRecommendationRepositoryService extends BaseRepository<
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, MotionChangeRecommendation, [
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, MotionChangeRecommendation, [
             Category,
             User,
             Workflow
@@ -85,7 +85,7 @@ export class ChangeRecommendationRepositoryService extends BaseRepository<
      * return the Observable of all change recommendations belonging to the given motion
      */
     public getChangeRecosOfMotionObservable(motion_id: number): Observable<ViewMotionChangeRecommendation[]> {
-        return this.viewModelListSubject.asObservable().pipe(
+        return this.getViewModelListObservable().pipe(
             map((recos: ViewMotionChangeRecommendation[]) => {
                 return recos.filter(reco => reco.motion_id === motion_id);
             })

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

@@ -36,14 +36,14 @@ export class MotionBlockRepositoryService extends BaseAgendaContentObjectReposit
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
         private motionRepo: MotionRepositoryService,
-        private httpService: HttpService,
+        private httpService: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, MotionBlock, [Item]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, MotionBlock, [Item]);
     }
 
     public getAgendaTitle = (motionBlock: Partial<MotionBlock> | Partial<ViewMotionBlock>) => {

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

@@ -42,13 +42,13 @@ export class MotionCommentSectionRepositoryService extends BaseRepository<
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private http: HttpService,
+        private http: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, MotionCommentSection, [Group]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, MotionCommentSection, [Group]);
     }
 
     public getVerboseName = (plural: boolean = false) => {

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

@@ -7,6 +7,8 @@ import { tap, map } from 'rxjs/operators';
 import { Category } from 'app/shared/models/motions/category';
 import { ChangeRecoMode, ViewMotion } from 'app/site/motions/models/view-motion';
 import { CollectionStringMapperService } from '../../core-services/collectionStringMapper.service';
+import { ConfigService } from 'app/core/ui-services/config.service';
+
 import { DataSendService } from '../../core-services/data-send.service';
 import { DataStoreService } from '../../core-services/data-store.service';
 import { DiffLinesInParagraph, DiffService, LineRange, ModificationType } from '../../ui-services/diff.service';
@@ -42,6 +44,8 @@ import { PersonalNote, PersonalNoteContent } from 'app/shared/models/users/perso
 import { ViewPersonalNote } from 'app/site/users/models/view-personal-note';
 import { OperatorService } from 'app/core/core-services/operator.service';
 
+type SortProperty = 'callListWeight' | 'identifier';
+
 /**
  * Repository Services for motions (and potentially categories)
  *
@@ -56,6 +60,11 @@ import { OperatorService } from 'app/core/core-services/operator.service';
     providedIn: 'root'
 })
 export class MotionRepositoryService extends BaseAgendaContentObjectRepository<ViewMotion, Motion> {
+    /**
+     * The property the incoming data is sorted by
+     */
+    protected sortProperty: SortProperty;
+
     /**
      * Creates a MotionRepository
      *
@@ -68,20 +77,23 @@ export class MotionRepositoryService extends BaseAgendaContentObjectRepository<V
      * @param httpService OpenSlides own Http service
      * @param lineNumbering Line numbering for motion text
      * @param diff Display changes in motion text as diff.
+     * @param personalNoteService service fo personal notes
+     * @param config ConfigService (subscribe to sorting config)
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
+        config: ConfigService,
         private httpService: HttpService,
         private readonly lineNumbering: LinenumberingService,
         private readonly diff: DiffService,
         private treeService: TreeService,
-        private translate: TranslateService,
         private operator: OperatorService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Motion, [
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Motion, [
             Category,
             User,
             Workflow,
@@ -92,6 +104,10 @@ export class MotionRepositoryService extends BaseAgendaContentObjectRepository<V
             MotionChangeRecommendation,
             PersonalNote
         ]);
+        config.get<SortProperty>('motions_motions_sorting').subscribe(conf => {
+            this.sortProperty = conf;
+            this.setConfigSortFn();
+        });
     }
 
     public getTitle = (motion: Partial<Motion> | Partial<ViewMotion>) => {
@@ -839,4 +855,30 @@ export class MotionRepositoryService extends BaseAgendaContentObjectRepository<V
             }
         });
     }
+
+    /**
+     * Triggers an update for the sort function responsible for the default sorting of data items
+     */
+    public setConfigSortFn(): void {
+        this.setSortFunction((a: ViewMotion, b: ViewMotion) => {
+            if (a[this.sortProperty] && b[this.sortProperty]) {
+                if (a[this.sortProperty] === b[this.sortProperty]) {
+                    return this.languageCollator.compare(a.title, b.title);
+                } else {
+                    if (this.sortProperty === 'callListWeight') {
+                        // handling numerical values
+                        return a.callListWeight - b.callListWeight;
+                    } else {
+                        return this.languageCollator.compare(a[this.sortProperty], b[this.sortProperty]);
+                    }
+                }
+            } else if (a[this.sortProperty]) {
+                return -1;
+            } else if (b[this.sortProperty]) {
+                return 1;
+            } else {
+                return this.languageCollator.compare(a.title, b.title);
+            }
+        });
+    }
 }

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

@@ -31,12 +31,12 @@ export class StatuteParagraphRepositoryService extends BaseRepository<ViewStatut
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, StatuteParagraph);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, StatuteParagraph);
     }
 
     public getVerboseName = (plural: boolean = false) => {

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

@@ -1,5 +1,4 @@
 import { Injectable } from '@angular/core';
-import { auditTime } from 'rxjs/operators';
 
 import { Workflow } from 'app/shared/models/motions/workflow';
 import { ViewWorkflow } from 'app/site/motions/models/view-workflow';
@@ -43,14 +42,15 @@ export class WorkflowRepositoryService extends BaseRepository<ViewWorkflow, Work
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private httpService: HttpService,
+        private httpService: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Workflow);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Workflow);
-        this.viewModelListSubject.pipe(auditTime(1)).subscribe(models => {
+
+        this.sortedViewModelListSubject.subscribe(models => {
             if (models && models.length > 0) {
                 this.initSorting(models);
             }

client/src/app/core/repositories/projector/countdown-repository.service.ts

@@ -15,13 +15,13 @@ import { ServertimeService } from 'app/core/core-services/servertime.service';
 export class CountdownRepositoryService extends BaseRepository<ViewCountdown, Countdown> {
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private translate: TranslateService,
         private servertimeService: ServertimeService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Countdown);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Countdown);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/projector/projector-message-repository.service.ts

@@ -14,12 +14,12 @@ import { DataSendService } from 'app/core/core-services/data-send.service';
 export class ProjectorMessageRepositoryService extends BaseRepository<ViewProjectorMessage, ProjectorMessage> {
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, ProjectorMessage);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, ProjectorMessage);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/projector/projector-repository.service.ts

@@ -37,13 +37,13 @@ export class ProjectorRepositoryService extends BaseRepository<ViewProjector, Pr
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private http: HttpService,
+        private http: HttpService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Projector, [Projector]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Projector, [Projector]);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/tags/tag-repository.service.ts

@@ -34,12 +34,12 @@ export class TagRepositoryService extends BaseRepository<ViewTag, Tag> {
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Tag);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Tag);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/users/group-repository.service.ts

@@ -49,13 +49,13 @@ export class GroupRepositoryService extends BaseRepository<ViewGroup, Group> {
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private constants: ConstantsService,
+        private constants: ConstantsService
-        private translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, Group);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, Group);
         this.sortPermsPerApp();
     }
 

client/src/app/core/repositories/users/personal-note-repository.service.ts

@@ -1,13 +1,14 @@
 import { Injectable } from '@angular/core';
 
+import { TranslateService } from '@ngx-translate/core';
+
+import { DataSendService } from 'app/core/core-services/data-send.service';
 import { DataStoreService } from '../../core-services/data-store.service';
 import { BaseRepository } from '../base-repository';
 import { CollectionStringMapperService } from '../../core-services/collectionStringMapper.service';
 import { PersonalNote } from 'app/shared/models/users/personal-note';
 import { ViewPersonalNote } from 'app/site/users/models/view-personal-note';
 import { ViewModelStoreService } from 'app/core/core-services/view-model-store.service';
-import { TranslateService } from '@ngx-translate/core';
-import { DataSendService } from 'app/core/core-services/data-send.service';
 
 /**
  */
@@ -24,9 +25,9 @@ export class PersonalNoteRepositoryService extends BaseRepository<ViewPersonalNo
         dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        private translate: TranslateService
+        translate: TranslateService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, PersonalNote);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, PersonalNote);
     }
 
     public getVerboseName = (plural: boolean = false) => {

client/src/app/core/repositories/users/user-repository.service.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Observable, BehaviorSubject } from 'rxjs';
+
 import { TranslateService } from '@ngx-translate/core';
 
 import { BaseRepository } from '../base-repository';
@@ -22,6 +22,8 @@ import { ViewModelStoreService } from 'app/core/core-services/view-model-store.s
  */
 type StringNamingSchema = 'lastCommaFirst' | 'firstSpaceLast';
 
+type SortProperty = 'first_name' | 'last_name' | 'number';
+
 /**
  * Repository service for users
  *
@@ -31,23 +33,36 @@ type StringNamingSchema = 'lastCommaFirst' | 'firstSpaceLast';
     providedIn: 'root'
 })
 export class UserRepositoryService extends BaseRepository<ViewUser, User> {
+    /**
+     * The property the incoming data is sorted by
+     */
+    protected sortProperty: SortProperty;
+
     /**
      * Constructor for the user repo
      *
      * @param DS The DataStore
      * @param mapperService Maps collection strings to classes
      * @param dataSend sending changed objects
+     * @param translate
+     * @param httpService
+     * @param configService
      */
     public constructor(
         DS: DataStoreService,
+        dataSend: DataSendService,
         mapperService: CollectionStringMapperService,
         viewModelStoreService: ViewModelStoreService,
-        protected dataSend: DataSendService,
+        translate: TranslateService,
-        private translate: TranslateService,
         private httpService: HttpService,
         private configService: ConfigService
     ) {
-        super(DS, dataSend, mapperService, viewModelStoreService, User, [Group]);
+        super(DS, dataSend, mapperService, viewModelStoreService, translate, User, [Group]);
+        this.sortProperty = this.configService.instant('users_sort_by');
+        this.configService.get<SortProperty>('users_sort_by').subscribe(conf => {
+            this.sortProperty = conf;
+            this.setConfigSortFn();
+        });
     }
 
     public getVerboseName = (plural: boolean = false) => {
@@ -219,7 +234,7 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User> {
      * Searches and returns Users by full name
      *
      * @param name
-     * @returns all users matching that name
+     * @returns all users matching that name (unsorted)
      */
     public getUsersByName(name: string): ViewUser[] {
         return this.getViewModelList().filter(user => {
@@ -301,43 +316,22 @@ export class UserRepositoryService extends BaseRepository<ViewUser, User> {
     }
 
     /**
-     * @returns the observable for users sorted according to configuration
+     * Triggers an update for the sort function responsible for the default sorting of data items
-     *
-     * TODO: This is leading to heavy operations
      */
-    public getSortedViewModelListObservable(): Observable<ViewUser[]> {
+    public setConfigSortFn(): void {
-        const subject = new BehaviorSubject<ViewUser[]>([]);
+        this.setSortFunction((a: ViewUser, b: ViewUser) => {
-        this.getViewModelListObservable().subscribe(users => {
+            if (a[this.sortProperty] && b[this.sortProperty]) {
-            subject.next(this.sortViewUsersByConfig(users));
+                if (a[this.sortProperty] === b[this.sortProperty]) {
-        });
+                    return this.languageCollator.compare(a.short_name, b.short_name);
-        return subject.asObservable();
-    }
-
-    /**
-     * Sort viewUsers by the configured settings
-     *
-     * @param users
-     * @returns the users sorted by first name, last name or number, according
-     * to the config setting. Fallthrough and identical cases will be sorted by
-     * 'short_name'
-     *
-     * TODO: That operation is HEAVY
-     */
-    public sortViewUsersByConfig(users: ViewUser[]): ViewUser[] {
-        const sort = this.configService.instant<'first_name' | 'last_name' | 'number'>('users_sort_by') || 'last_name';
-        return users.sort((a, b) => {
-            if (a[sort] && b[sort]) {
-                if (a[sort] === b[sort]) {
-                    return a.short_name.localeCompare(b.short_name, this.translate.currentLang);
                 } else {
-                    return a[sort].localeCompare(b[sort], this.translate.currentLang);
+                    return this.languageCollator.compare(a[this.sortProperty], b[this.sortProperty]);
                 }
-            } else if (a[sort] && !b[sort]) {
+            } else if (a[this.sortProperty] && !b[this.sortProperty]) {
                 return -1;
-            } else if (b[sort]) {
+            } else if (b[this.sortProperty]) {
                 return 1;
             } else {
-                return a.short_name.localeCompare(b.short_name);
+                return this.languageCollator.compare(a.short_name, b.short_name);
             }
         });
     }

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

@@ -118,7 +118,7 @@ export abstract class BaseFilterListService<M extends BaseModel, V extends BaseV
     public filter(): Observable<V[]> {
         this.repo
             .getViewModelListObservable()
-            .pipe(auditTime(100))
+            .pipe(auditTime(10))
             .subscribe(data => {
                 this.currentRawData = data;
                 this.filteredData = this.filterData(data);

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

@@ -50,6 +50,11 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
      */
     private sortFn: (a: V, b: V) => number;
 
+    /**
+     * default sorting to use if the client was not initialized before
+     */
+    protected defaultSorting: keyof V = 'id';
+
     /**
      * Constructor. Does nothing. TranslateService is used for localeCompeare.
      */
@@ -113,7 +118,7 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
      * get the property of the viewModel the sorting is based on.
      */
     public get sortProperty(): string {
-        return this.sortOptions.sortProperty as string;
+        return this.sortOptions ? (this.sortOptions.sortProperty as string) : '';
     }
 
     public get isActive(): boolean {
@@ -138,7 +143,7 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
      * @param option
      */
     public getSortIcon(option: OsSortingItem<V>): string {
-        if (this.sortProperty !== (option.property as string)) {
+        if (!this.sortProperty || this.sortProperty !== (option.property as string)) {
             return '';
         }
         return this.ascending ? 'arrow_downward' : 'arrow_upward';
@@ -156,20 +161,21 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
      * Retrieve the currently saved sorting definition from the borwser's
      * store
      */
-    private loadStorageDefinition(): void {
+    private async loadStorageDefinition(): Promise<void> {
-        const me = this;
+        const sorting: OsSortingDefinition<V> | null = await this.store.get('sorting_' + this.name);
-        this.store.get('sorting_' + this.name).then(function(sorting: OsSortingDefinition<V> | null): void {
+        if (sorting) {
-            if (sorting) {
+            if (sorting.sortProperty) {
-                if (sorting.sortProperty) {
+                this.sortOptions.sortProperty = sorting.sortProperty;
-                    me.sortOptions.sortProperty = sorting.sortProperty;
+                if (sorting.sortAscending !== undefined) {
-                    if (sorting.sortAscending !== undefined) {
+                    this.sortOptions.sortAscending = sorting.sortAscending;
-                        me.sortOptions.sortAscending = sorting.sortAscending;
-                    }
                 }
             }
-            me.updateSortFn();
+        } else {
-            me.doAsyncSorting();
+            this.sortOptions.sortProperty = this.defaultSorting;
-        });
+            this.sortOptions.sortAscending = true;
+        }
+        this.updateSortFn();
+        this.doAsyncSorting();
     }
 
     /**
@@ -197,10 +203,10 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
      * Recreates the sorting function. Is supposed to be called on init and
      * every time the sorting (property, ascending/descending) or the language changes
      */
-    private updateSortFn(): void {
+    protected updateSortFn(): void {
         const property = this.sortProperty as string;
         const ascending = this.ascending;
-        const lang = this.translate.currentLang; // TODO: observe and update sorting on change
+        const intl = new Intl.Collator(this.translate.currentLang); // TODO: observe and update sorting on language change
 
         this.sortFn = function(itemA: V, itemB: V): number {
             const firstProperty = ascending ? itemA[property] : itemB[property];
@@ -234,16 +240,16 @@ export abstract class BaseSortListService<V extends BaseViewModel> {
                         if (!firstProperty) {
                             return 1;
                         }
-                        return firstProperty.localeCompare(secondProperty, lang);
+                        return intl.compare(firstProperty, secondProperty);
                     case 'function':
                         const a = firstProperty();
                         const b = secondProperty();
-                        return a.localeCompare(b, lang);
+                        return intl.compare(a, b);
                     case 'object':
                         if (firstProperty instanceof Date) {
                             return firstProperty > secondProperty ? 1 : -1;
                         } else {
-                            return firstProperty.toString().localeCompare(secondProperty.toString(), lang);
+                            return intl.compare(firstProperty.toString(), secondProperty.toString());
                         }
                     case 'undefined':
                         return 1;

client/src/app/site/agenda/components/list-of-speakers/list-of-speakers.component.ts

@@ -140,7 +140,7 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
         this.addSpeakerForm = new FormGroup({ user_id: new FormControl([]) });
 
         if (this.currentListOfSpeakers) {
-            this.projectors = projectorRepo.getViewModelList();
+            this.projectors = projectorRepo.getSortedViewModelList();
             this.updateClosProjector();
             projectorRepo.getViewModelListObservable().subscribe(newProjectors => {
                 this.projectors = newProjectors;
@@ -160,11 +160,6 @@ export class ListOfSpeakersComponent extends BaseViewComponent implements OnInit
     public ngOnInit(): void {
         // load and observe users
         this.users = this.userRepository.getViewModelListBehaviorSubject();
-        this.userRepository.getViewModelListBehaviorSubject().subscribe(newUsers => {
-            if (this.viewItem) {
-                this.setSpeakerList(this.viewItem.id);
-            }
-        });
 
         // detect changes in the form
         this.addSpeakerForm.valueChanges.subscribe(formResult => {

client/src/app/site/agenda/models/view-item.ts

@@ -13,13 +13,13 @@ export class ViewItem extends BaseViewModel {
     /**
      * virtual weight defined by the order in the agenda tree, representing a shortcut to sorting by
      * weight, parent_id and the parents' weight(s)
-     * TODO will be accurate if the viewMotion is observed via {@link getViewModelListObservable}, else, it will be undefined
+     * TODO will be accurate if the viewMotion is observed via {@link getSortedViewModelListObservable}, else, it will be undefined
      */
     public agendaListWeight: number;
 
     /**
      * The amount of parents in the agenda list tree.
-     * TODO will be accurate if the viewMotion is observed via {@link getViewModelListObservable}, else, it will be undefined
+     * TODO will be accurate if the viewMotion is observed via {@link getSortedViewModelListObservable}, else, it will be undefined
      */
     public agendaListLevel: number;
 
@@ -39,6 +39,10 @@ export class ViewItem extends BaseViewModel {
         return this.item.item_number;
     }
 
+    public get title_information(): object {
+        return this.item.title_information;
+    }
+
     public get duration(): number {
         return this.item.duration;
     }

client/src/app/site/base/list-view-base.ts

@@ -98,9 +98,13 @@ export abstract class ListViewBaseComponent<V extends BaseViewModel, M extends B
      * Standard filtering function. Sufficient for most list views but can be overwritten
      */
     protected onFilter(): void {
-        this.subscriptions.push(
+        if (this.sortService) {
-            this.filterService.filter().subscribe(filteredData => (this.sortService.data = filteredData))
+            this.subscriptions.push(
-        );
+                this.filterService.filter().subscribe(filteredData => (this.sortService.data = filteredData))
+            );
+        } else {
+            this.filterService.filter().subscribe(filteredData => (this.dataSource.data = filteredData));
+        }
     }
 
     /**

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

@@ -101,7 +101,7 @@ export class CategoryListComponent extends BaseViewComponent implements OnInit {
      */
     public ngOnInit(): void {
         super.setTitle('Category');
-        this.repo.getSortedViewModelListObservable().subscribe(newViewCategories => {
+        this.repo.getViewModelListObservable().subscribe(newViewCategories => {
             this.categories = newViewCategories;
         });
     }
@@ -187,21 +187,7 @@ export class CategoryListComponent extends BaseViewComponent implements OnInit {
      * @returns all motions in the category
      */
     public motionsInCategory(category: Category): ViewMotion[] {
-        const coll = new Intl.Collator(this.translate.currentLang);
+        return this.motionRepo.getSortedViewModelList().filter(m => m.category_id === category.id);
-        return this.motionRepo
-            .getViewModelList()
-            .filter(m => m.category_id === category.id)
-            .sort((motion1, motion2) => {
-                if (motion1.identifier && motion2.identifier) {
-                    return coll.compare(motion1.identifier, motion2.identifier);
-                } else if (motion1.identifier) {
-                    return 1;
-                } else if (motion2.identifier) {
-                    return -1;
-                } else {
-                    return coll.compare(motion1.getTitle(), motion2.getTitle());
-                }
-            });
     }
 
     /**

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

@@ -107,7 +107,6 @@ export class MotionBlockListComponent extends ListViewBaseComponent<ViewMotionBl
 
         this.items = this.itemRepo.getViewModelListBehaviorSubject();
 
-        // TODO: Should fall under generic sorting in PR 4411
         this.repo.getViewModelListObservable().subscribe(newMotionblocks => {
             newMotionblocks.sort((a, b) => (a > b ? 1 : -1));
             this.dataSource.data = newMotionblocks;

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

@@ -18,6 +18,7 @@ import { itemVisibilityChoices } from 'app/shared/models/agenda/item';
 import { LinenumberingService } from 'app/core/ui-services/linenumbering.service';
 import { LocalPermissionsService } from 'app/site/motions/services/local-permissions.service';
 import { Mediafile } from 'app/shared/models/mediafiles/mediafile';
+import { MediafileRepositoryService } from 'app/core/repositories/mediafiles/mediafile-repository.service';
 import { Motion } from 'app/shared/models/motions/motion';
 import {
     MotionChangeRecommendationComponentData,
@@ -49,7 +50,6 @@ import { ViewStatuteParagraph } from 'app/site/motions/models/view-statute-parag
 import { ViewTag } from 'app/site/tags/models/view-tag';
 import { ViewUnifiedChange } from 'app/shared/models/motions/view-unified-change';
 import { TagRepositoryService } from 'app/core/repositories/tags/tag-repository.service';
-import { MediafileRepositoryService } from 'app/core/repositories/mediafiles/mediafile-repository.service';
 import { WorkflowRepositoryService } from 'app/core/repositories/motions/workflow-repository.service';
 import { MotionBlockRepositoryService } from 'app/core/repositories/motions/motion-block-repository.service';
 
@@ -368,6 +368,7 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
      * @param agendaRepo Read out agenda variables
      * @param changeRecoRepo Change Recommendation Repository
      * @param statuteRepo: Statute Paragraph Repository
+     * @param mediafileRepo Mediafile Repository
      * @param DS The DataStoreService
      * @param configService The configuration provider
      * @param sanitizer For making HTML SafeHTML
@@ -863,7 +864,7 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
         const content = this.motion.getTitle();
         if (await this.promptService.open(title, content)) {
             await this.repo.delete(this.motion);
-            this.router.navigate(['./motions/']);
+            this.router.navigate(['../motions/']);
         }
     }
 
@@ -1112,18 +1113,6 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit,
      * then appending motion without identifiers sorted by title
      */
     public setSurroundingMotions(): void {
-        // TODO: that operation is HEAVY
-        this.motionObserver.value.sort((a, b) => {
-            if (a.identifier && b.identifier) {
-                return a.identifier.localeCompare(b.identifier, this.translate.currentLang);
-            } else if (a.identifier) {
-                return 1;
-            } else if (b.identifier) {
-                return -1;
-            } else {
-                return a.title.localeCompare(b.title, this.translate.currentLang);
-            }
-        });
         const indexOfCurrent = this.motionObserver.value.findIndex(motion => {
             return motion === this.motion;
         });

client/src/app/site/motions/modules/motion-list/components/motion-export-dialog/motion-export-dialog.component.ts

@@ -61,7 +61,7 @@ export class MotionExportDialogComponent implements OnInit {
      * @returns a list of availavble commentSections
      */
     public get commentsToExport(): ViewMotionCommentSection[] {
-        return this.commentRepo.getViewModelList();
+        return this.commentRepo.getSortedViewModelList();
     }
     /**
      * Hold the default lnMode. Will be set by the constructor.

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

@@ -128,7 +128,7 @@ export class MotionListComponent extends ListViewBaseComponent<ViewMotion, Motio
             .get<string>('motions_recommendations_by')
             .subscribe(recommender => (this.recomendationEnabled = !!recommender));
         this.motionBlockRepo.getViewModelListObservable().subscribe(mBs => (this.motionBlocks = mBs));
-        this.categoryRepo.getSortedViewModelListObservable().subscribe(cats => (this.categories = cats));
+        this.categoryRepo.getViewModelListObservable().subscribe(cats => (this.categories = cats));
         this.tagRepo.getViewModelListObservable().subscribe(tags => (this.tags = tags));
         this.workflowRepo.getViewModelListObservable().subscribe(wfs => (this.workflows = wfs));
         this.setFulltextFilter();

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

@@ -182,7 +182,7 @@ export class MotionFilterListService extends BaseFilterListService<Motion, ViewM
      * Subscibes to changing Categories, and updates the filter accordingly
      */
     private subscribeCategories(): void {
-        this.categoryRepo.getSortedViewModelListObservable().subscribe(categories => {
+        this.categoryRepo.getViewModelListObservable().subscribe(categories => {
             const categoryOptions: OsFilterOptions = categories.map(cat => ({
                 condition: cat.id,
                 label: cat.prefixedName,

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

@@ -74,7 +74,7 @@ export class MotionMultiselectService {
      */
     public async moveToItem(motions: ViewMotion[]): Promise<void> {
         const title = this.translate.instant('This will move all selected motions as childs to:');
-        const choices: (Displayable & Identifiable)[] = this.agendaRepo.getViewModelList();
+        const choices: (Displayable & Identifiable)[] = this.agendaRepo.getSortedViewModelList();
         const selectedChoice = await this.choiceService.open(title, choices);
         if (selectedChoice) {
             const requestData = {
@@ -139,7 +139,7 @@ export class MotionMultiselectService {
         const clearChoice = this.translate.instant('No category');
         const selectedChoice = await this.choiceService.open(
             title,
-            this.categoryRepo.sortViewCategoriesByConfig(this.categoryRepo.getViewModelList()),
+            this.categoryRepo.getSortedViewModelList(),
             false,
             null,
             clearChoice
@@ -164,7 +164,12 @@ export class MotionMultiselectService {
             'This will add or remove the following submitters for all selected motions:'
         );
         const choices = [this.translate.instant('Add'), this.translate.instant('Remove')];
-        const selectedChoice = await this.choiceService.open(title, this.userRepo.getViewModelList(), true, choices);
+        const selectedChoice = await this.choiceService.open(
+            title,
+            this.userRepo.getSortedViewModelList(),
+            true,
+            choices
+        );
         if (selectedChoice && selectedChoice.action === choices[0]) {
             const requestData = motions.map(motion => {
                 let submitterIds = [...motion.sorted_submitters_id, ...(selectedChoice.items as number[])];
@@ -200,7 +205,12 @@ export class MotionMultiselectService {
             this.translate.instant('Remove'),
             this.translate.instant('Clear tags')
         ];
-        const selectedChoice = await this.choiceService.open(title, this.tagRepo.getViewModelList(), true, choices);
+        const selectedChoice = await this.choiceService.open(
+            title,
+            this.tagRepo.getSortedViewModelList(),
+            true,
+            choices
+        );
         if (selectedChoice && selectedChoice.action === choices[0]) {
             const requestData = motions.map(motion => {
                 let tagIds = [...motion.tags_id, ...(selectedChoice.items as number[])];
@@ -242,7 +252,7 @@ export class MotionMultiselectService {
         const clearChoice = this.translate.instant('Clear motion block');
         const selectedChoice = await this.choiceService.open(
             title,
-            this.motionBlockRepo.getViewModelList(),
+            this.motionBlockRepo.getSortedViewModelList(),
             false,
             null,
             clearChoice
@@ -280,7 +290,7 @@ export class MotionMultiselectService {
                 // 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 siblings = allMotions.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);

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

@@ -48,7 +48,7 @@ export class MotionPdfService {
      *
      * @param translate handle translations
      * @param motionRepo get parent motions
-     * @param statureRepo To get formated stature paragraphs
+     * @param statuteRepo To get formated stature paragraphs
      * @param changeRecoRepo to get the change recommendations
      * @param configService Read config variables
      * @param htmlToPdfService To convert HTML text into pdfmake doc def
@@ -59,7 +59,7 @@ export class MotionPdfService {
     public constructor(
         private translate: TranslateService,
         private motionRepo: MotionRepositoryService,
-        private statureRepo: StatuteParagraphRepositoryService,
+        private statuteRepo: StatuteParagraphRepositoryService,
         private changeRecoRepo: ChangeRecommendationRepositoryService,
         private configService: ConfigService,
         private htmlToPdfService: HtmlToPdfService,
@@ -123,7 +123,7 @@ export class MotionPdfService {
         }
 
         if (infoToExport && infoToExport.includes('allcomments')) {
-            commentsToExport = this.commentRepo.getViewModelList().map(vm => vm.id);
+            commentsToExport = this.commentRepo.getSortedViewModelList().map(vm => vm.id);
         }
         if (commentsToExport) {
             motionPdfContent.push(this.createComments(motion, commentsToExport));
@@ -495,7 +495,7 @@ export class MotionPdfService {
             }
         } else if (motion.isStatuteAmendment()) {
             // statute amendments
-            const statutes = this.statureRepo.getViewModelList();
+            const statutes = this.statuteRepo.getViewModelList();
             motionText = this.motionRepo.formatStatuteAmendment(statutes, motion, lineLength);
         } else {
             // lead motion or normal amendments

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

@@ -37,6 +37,6 @@ export class MotionSortListService extends BaseSortListService<ViewMotion> {
      */
     public constructor(translate: TranslateService, store: StorageService, config: ConfigService) {
         super(translate, store);
-        this.sortOptions.sortProperty = config.instant<keyof ViewMotion>('motions_motions_sorting');
+        this.defaultSorting = config.instant<keyof ViewMotion>('motions_motions_sorting');
     }
 }

client/src/app/site/projector/components/projector-list/projector-list.component.html

@@ -19,7 +19,7 @@
         Reference projector for current list of speakers:
     </span>&nbsp;
     <mat-form-field>
-        <mat-select [disabled]="!!editId" [value]="projectors[0].reference_projector_id" (selectionChange)="onSelectReferenceProjector($event)">
+        <mat-select [disabled]="!!editId" [value]="projectors.length ? projectors[0].reference_projector_id : null" (selectionChange)="onSelectReferenceProjector($event)">
             <mat-option *ngFor="let projector of projectors" [value]="projector.id">
                 {{ projector.getTitle() | translate }}
             </mat-option>

client/src/app/site/projector/components/projector-list/projector-list.component.ts

@@ -120,6 +120,7 @@ export class ProjectorListComponent extends BaseViewComponent implements OnInit
      */
     public ngOnInit(): void {
         super.setTitle('Projectors');
+        this.projectors = this.repo.getViewModelList();
         this.repo.getViewModelListObservable().subscribe(projectors => (this.projectors = projectors));
     }
 

client/src/app/site/projector/components/projector-message-list/projector-message-list.component.ts

@@ -64,7 +64,7 @@ export class ProjectorMessageListComponent extends BaseViewComponent implements
      */
     public ngOnInit(): void {
         super.setTitle('Messages');
-        this.messages = this.repo.getViewModelList();
+        this.messages = this.repo.getSortedViewModelList();
         this.repo.getViewModelListObservable().subscribe(messages => (this.messages = messages));
     }
 

client/src/app/site/users/components/user-detail/user-detail.component.ts

@@ -139,7 +139,7 @@ export class UserDetailComponent extends BaseViewComponent implements OnInit {
         }
         this.createForm();
 
-        this.groups = this.groupRepo.getViewModelList().filter(group => group.id !== 1);
+        this.groups = this.groupRepo.getSortedViewModelList().filter(group => group.id !== 1);
         this.groupRepo
             .getViewModelListObservable()
             .subscribe(groups => (this.groups = groups.filter(group => group.id !== 1)));

client/src/app/site/users/components/user-list/user-list.component.ts

@@ -167,7 +167,8 @@ export class UserListComponent extends ListViewBaseComponent<ViewUser, User> imp
         this.setFulltextFilter();
 
         // Initialize the groups
-        this.groups = this.groupRepo.getViewModelList().filter(group => group.id !== 1);
+        this.groups = this.groupRepo.getSortedViewModelList().filter(group => group.id !== 1);
+        this.groupRepo.getViewModelListObservable().subscribe(groups => (this.groups = groups));
     }
 
     /**

client/src/app/site/users/services/user-sort-list.service.ts

@@ -36,6 +36,6 @@ export class UserSortListService extends BaseSortListService<ViewUser> {
      */
     public constructor(translate: TranslateService, store: StorageService, config: ConfigService) {
         super(translate, store);
-        this.sortOptions.sortProperty = config.instant<keyof ViewUser>('motions_motions_sorting');
+        this.defaultSorting = config.instant<keyof ViewUser>('users_sort_by');
     }
 }