angular-odata
Version:
Client side OData typescript library for Angular
161 lines • 20.2 kB
JavaScript
import { throwError } from 'rxjs';
import { catchError } from 'rxjs/operators';
import { ODataCollection } from '../models/collection';
import { ODataModel } from '../models/model';
import { ODataEntityService } from './entity';
export class ODataEntitySetService extends ODataEntityService {
static Model;
static Collection;
model(entity, reset) {
const Service = this.constructor;
return this.entity().asModel((entity ?? {}), {
reset,
ModelType: Service.Model,
});
}
collection(entities, reset) {
const Service = this.constructor;
return this.entities().asCollection((entities ?? []), {
reset,
CollectionType: Service.Collection,
});
}
/**
* Get the entity set resource for this service.
*/
entities() {
return this.client.entitySet(this.name, this.apiNameOrEntityType);
}
/**
* Get the entity resource for this service.
* @param key The entity key.
*/
entity(key) {
return this.entities().entity(key);
}
attach(model) {
if (model instanceof ODataModel) {
model.attach(this.entities().entity());
}
else if (model instanceof ODataCollection) {
model.attach(this.entities());
}
}
/**
* The schema for the entity set.
*/
get entitySetSchema() {
return this.api.findEntitySet(this.name);
}
/**
* Get all entities from the entity set.
* @param options The options for the request.
*/
fetchAll(options) {
return this.entities().fetchAll(options);
}
/**
* Get entities from the entity set.
* @param withCount Get the count of the entities.
* @param options The options for the request.
*/
fetchMany(top, options) {
return this.entities().fetchMany(top, options);
}
/**
* Get an entity from the entity set.
* @param key The entity key.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
fetchOne(options) {
return this.entities().fetchOne(options);
}
/**
* Create an entity in the entity set.
* @param attrs The attributes for the entity.
* @param options The options for the request.
*/
create(attrs, options) {
return this.entities().create(attrs, options);
}
/**
* Update an entity in the entity set.
* @param key The entity key.
* @param attrs The attributes for the entity.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
update(key, attrs, options) {
const res = this.entity(key);
if (!res.hasKey())
return throwError(() => new Error('update: Resource without key'));
return res.update(attrs, options);
}
/**
* Patch an entity in the entity set.
* @param key The entity key.
* @param attrs The attributes for the entity.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
modify(key, attrs, options) {
const res = this.entity(key);
if (!res.hasKey())
return throwError(() => new Error('modify: Resource without key'));
return res.modify(attrs, options);
}
/**
* Delete an entity in the entity set.
* @param key The entity key.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
destroy(key, options) {
const res = this.entity(key);
if (!res.hasKey())
return throwError(() => new Error('destroy: Resource without key'));
return res.destroy(options);
}
//#region Shortcuts
/**
* Get or create an entity in the entity set.
* @param key The entity key.
* @param attrs The attributes for the entity.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
fetchOrCreate(key, attrs, { etag, ...options } = {}) {
return this.entity(key)
.fetch({ etag, ...options })
.pipe(catchError((error) => {
if (error.status === 404)
return this.create(attrs, options);
else
return throwError(() => error);
}));
}
/**
* Save an entity in the entity set.
* @param attrs The attributes for the entity.
* @param method The method to use.
* @param etag The etag for the entity.
* @param options The options for the request.
*/
save(attrs, { etag, method, ...options } = {}) {
let schema = this.structuredTypeSchema;
if (method === undefined && schema !== undefined && schema.isCompoundKey())
return throwError(() => new Error('save: Composite key require a specific method, use create/update/patch'));
let key = schema && schema.resolveKey(attrs);
if (method === undefined)
method = key !== undefined ? 'update' : 'create';
if ((method === 'update' || method === 'modify') && key === undefined)
return throwError(() => new Error("save: Can't update/patch entity without key"));
return method === 'create'
? this.create(attrs, options)
: method === 'modify'
? this.modify(key, attrs, { etag, ...options })
: this.update(key, attrs, { etag, ...options });
}
}
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{}) as Partial<T>, {\n      reset,\n      ModelType: Service.Model,\n    });\n  }\n\n  collection(entities?: Partial<T>[], reset?: boolean) {\n    const Service = this.constructor as typeof ODataEntitySetService;\n    return this.entities().asCollection((entities ?? []) as Partial<T>[], {\n      reset,\n      CollectionType: Service.Collection,\n    });\n  }\n\n  /**\n   * Get the entity set resource for this service.\n   */\n  public entities(): ODataEntitySetResource<T> {\n    return this.client.entitySet<T>(this.name, this.apiNameOrEntityType);\n  }\n\n  /**\n   * Get the entity resource for this service.\n   * @param key The entity key.\n   */\n  public entity(key?: EntityKey<T>): ODataEntityResource<T> {\n    return this.entities().entity(key);\n  }\n\n  /**\n   * Attach an existing model to this service.\n   * @param model The model to attach.\n   */\n  public attach<M extends ODataModel<T>>(model: M): void;\n  public attach<C extends ODataCollection<T, ODataModel<T>>>(model: C): void;\n  public attach(model: any): void {\n    if (model instanceof ODataModel) {\n      model.attach(this.entities().entity());\n    } else if (model instanceof ODataCollection) {\n      model.attach(this.entities());\n    }\n  }\n\n  /**\n   * The schema for the entity set.\n   */\n  get entitySetSchema() {\n    return this.api.findEntitySet(this.name);\n  }\n\n  /**\n   * Get all entities from the entity set.\n   * @param options The options for the request.\n   */\n  public fetchAll(options?: ODataOptions) {\n    return this.entities().fetchAll(options);\n  }\n\n  /**\n   * Get entities from the entity set.\n   * @param withCount Get the count of the entities.\n   * @param options The options for the request.\n   */\n  public fetchMany(\n    top: number,\n    options?: ODataOptions & { withCount?: boolean },\n  ) {\n    return this.entities().fetchMany(top, options);\n  }\n\n  /**\n   * Get an entity from the entity set.\n   * @param key The entity key.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public fetchOne(options?: ODataOptions & { etag?: string }) {\n    return this.entities().fetchOne(options);\n  }\n\n  /**\n   * Create an entity in the entity set.\n   * @param attrs The attributes for the entity.\n   * @param options The options for the request.\n   */\n  public create(\n    attrs: Partial<T>,\n    options?: ODataOptions,\n  ): Observable<ODataEntity<T>> {\n    return this.entities().create(attrs, options);\n  }\n\n  /**\n   * Update an entity in the entity set.\n   * @param key The entity key.\n   * @param attrs The attributes for the entity.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public update(\n    key: EntityKey<T>,\n    attrs: Partial<T>,\n    options?: ODataOptions & { etag?: string },\n  ): Observable<ODataEntity<T>> {\n    const res = this.entity(key);\n    if (!res.hasKey())\n      return throwError(() => new Error('update: Resource without key'));\n    return res.update(attrs, options);\n  }\n\n  /**\n   * Patch an entity in the entity set.\n   * @param key The entity key.\n   * @param attrs The attributes for the entity.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public modify(\n    key: EntityKey<T>,\n    attrs: Partial<T>,\n    options?: ODataOptions & { etag?: string },\n  ): Observable<ODataEntity<T>> {\n    const res = this.entity(key);\n    if (!res.hasKey())\n      return throwError(() => new Error('modify: Resource without key'));\n    return res.modify(attrs, options);\n  }\n\n  /**\n   * Delete an entity in the entity set.\n   * @param key The entity key.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public destroy(\n    key: EntityKey<T>,\n    options?: ODataOptions & { etag?: string },\n  ) {\n    const res = this.entity(key);\n    if (!res.hasKey())\n      return throwError(() => new Error('destroy: Resource without key'));\n    return res.destroy(options);\n  }\n\n  //#region Shortcuts\n  /**\n   * Get or create an entity in the entity set.\n   * @param key The entity key.\n   * @param attrs The attributes for the entity.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public fetchOrCreate(\n    key: EntityKey<T>,\n    attrs: Partial<T>,\n    { etag, ...options }: { etag?: string } & ODataOptions = {},\n  ): Observable<ODataEntity<T>> {\n    return this.entity(key)\n      .fetch({ etag, ...options })\n      .pipe(\n        catchError((error: HttpErrorResponse) => {\n          if (error.status === 404) return this.create(attrs, options);\n          else return throwError(() => error);\n        }),\n      );\n  }\n\n  /**\n   * Save an entity in the entity set.\n   * @param attrs The attributes for the entity.\n   * @param method The method to use.\n   * @param etag The etag for the entity.\n   * @param options The options for the request.\n   */\n  public save(\n    attrs: Partial<T>,\n    {\n      etag,\n      method,\n      ...options\n    }: {\n      etag?: string;\n      method?: 'create' | 'update' | 'modify';\n    } & ODataOptions = {},\n  ) {\n    let schema = this.structuredTypeSchema;\n    if (method === undefined && schema !== undefined && schema.isCompoundKey())\n      return throwError(\n        () =>\n          new Error(\n            'save: Composite key require a specific method, use create/update/patch',\n          ),\n      );\n    let key = schema && schema.resolveKey(attrs);\n    if (method === undefined) method = key !== undefined ? 'update' : 'create';\n    if ((method === 'update' || method === 'modify') && key === undefined)\n      return throwError(\n        () => new Error(\"save: Can't update/patch entity without key\"),\n      );\n    return method === 'create'\n      ? this.create(attrs, options)\n      : method === 'modify'\n        ? this.modify(key, attrs, { etag, ...options })\n        : this.update(key, attrs, { etag, ...options });\n  }\n  //#endregion\n}\n"]}