OpenSlides/client/src/app/site/motions/services/change-recommendation-repository.service.ts

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import { Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
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import { DataSendService } from '../../../core/services/data-send.service';
import { User } from '../../../shared/models/users/user';
import { Category } from '../../../shared/models/motions/category';
import { Workflow } from '../../../shared/models/motions/workflow';
import { BaseRepository } from '../../base/base-repository';
import { DataStoreService } from '../../../core/services/data-store.service';
import { MotionChangeReco } from '../../../shared/models/motions/motion-change-reco';
import { ViewChangeReco } from '../models/view-change-reco';
import { HTTPMethod } from 'app/core/services/http.service';
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/**
* Repository Services for change recommendations
*
* The repository is meant to process domain objects (those found under
* shared/models), so components can display them and interact with them.
*
* Rather than manipulating models directly, the repository is meant to
* inform the {@link DataSendService} about changes which will send
* them to the Server.
*/
@Injectable({
providedIn: 'root'
})
export class ChangeRecommendationRepositoryService extends BaseRepository<ViewChangeReco, MotionChangeReco> {
/**
* Creates a MotionRepository
*
* Converts existing and incoming motions to ViewMotions
* Handles CRUD using an observer to the DataStore
* @param DS
* @param dataSend
*/
public constructor(DS: DataStoreService, private dataSend: DataSendService) {
super(DS, MotionChangeReco, [Category, User, Workflow]);
}
/**
* Creates a change recommendation
* Creates a (real) change recommendation and delegates it to the {@link DataSendService}
*
* @param {MotionChangeReco} changeReco
*/
public create(changeReco: MotionChangeReco): Observable<MotionChangeReco> {
return this.dataSend.createModel(changeReco) as Observable<MotionChangeReco>;
}
/**
* Given a change recommendation view object, a entry in the backend is created and the new
* change recommendation view object is returned (as an observable).
*
* @param {ViewChangeReco} view
*/
public createByViewModel(view: ViewChangeReco): Observable<ViewChangeReco> {
return this.create(view.changeRecommendation).pipe(
map((changeReco: MotionChangeReco) => {
return new ViewChangeReco(changeReco);
})
);
}
/**
* Creates this view wrapper based on an actual Change Recommendation model
*
* @param {MotionChangeReco} model
*/
protected createViewModel(model: MotionChangeReco): ViewChangeReco {
return new ViewChangeReco(model);
}
/**
* Deleting a change recommendation.
*
* Extract the change recommendation out of the viewModel and delegate
* to {@link DataSendService}
* @param {ViewChangeReco} viewModel
*/
public delete(viewModel: ViewChangeReco): Observable<MotionChangeReco> {
return this.dataSend.deleteModel(viewModel.changeRecommendation) as Observable<MotionChangeReco>;
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}
/**
* updates a change recommendation
*
* Updates a (real) change recommendation with patched data and delegate it
* to the {@link DataSendService}
*
* @param {Partial<MotionChangeReco>} update the form data containing the update values
* @param {ViewChangeReco} viewModel The View Change Recommendation. If not present, a new motion will be created
*/
public update(update: Partial<MotionChangeReco>, viewModel: ViewChangeReco): Observable<MotionChangeReco> {
const changeReco = viewModel.changeRecommendation;
changeReco.patchValues(update);
return this.dataSend.updateModel(changeReco, HTTPMethod.PATCH) as Observable<MotionChangeReco>;
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}
/**
* return the Observable of all change recommendations belonging to the given motion
*/
public getChangeRecosOfMotionObservable(motion_id: number): Observable<ViewChangeReco[]> {
return this.viewModelListSubject.asObservable().pipe(
map((recos: ViewChangeReco[]) => {
return recos.filter(reco => reco.motion_id === motion_id);
})
);
}
/**
* Sets a change recommendation to accepted.
*
* @param {ViewChangeReco} change
*/
public setAccepted(change: ViewChangeReco): Observable<MotionChangeReco> {
const changeReco = change.changeRecommendation;
changeReco.patchValues({
rejected: false
});
return this.dataSend.updateModel(changeReco, HTTPMethod.PATCH) as Observable<MotionChangeReco>;
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}
/**
* Sets a change recommendation to rejected.
*
* @param {ViewChangeReco} change
*/
public setRejected(change: ViewChangeReco): Observable<MotionChangeReco> {
const changeReco = change.changeRecommendation;
changeReco.patchValues({
rejected: true
});
return this.dataSend.updateModel(changeReco, HTTPMethod.PATCH) as Observable<MotionChangeReco>;
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}
}