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Check for changes supports mapping

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This commit is contained in:
Adina Țeudan 2021-11-18 21:15:50 +02:00
parent b338dd9baa
commit cdd20751dc
1 changed files with 17 additions and 9 deletions
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26
src/lib/services/generic.service.ts
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@ -4,6 +4,8 @@ import { Observable } from 'rxjs';
import { CustomHttpUrlEncodingCodec, HeadersConfiguration, List, RequiredParam, Validate } from '../utils';
import { map, tap } from 'rxjs/operators';
const ROOT_CHANGES_KEY = 'root';
export interface HeaderOptions {
readonly authorization?: boolean;
readonly accept?: boolean;
@ -21,16 +23,10 @@ export interface QueryParam {
*/
export abstract class GenericService<I> {
protected readonly _http = this._injector.get(HttpClient);
private _lastCheckedForChanges = '0';
private _lastCheckedForChanges = new Map<string, string>([[ROOT_CHANGES_KEY, '0']]);
protected constructor(protected readonly _injector: Injector, protected readonly _defaultModelPath: string) {}
protected get _hasChanges$(): Observable<boolean> {
return this._post<{ value: boolean }>({ value: this._lastCheckedForChanges }, `${this._defaultModelPath}/changes`).pipe(
map((res: { value: boolean }) => res.value),
);
}
get<T = I[]>(): Observable<T>;
// eslint-disable-next-line @typescript-eslint/unified-signatures
@ -51,6 +47,10 @@ export abstract class GenericService<I> {
.pipe(tap(() => this._updateLastChanged()));
}
getFor<R = I[]>(entityId: string, queryParams?: List<QueryParam>): Observable<R> {
return this.getAll<R>(`${this._defaultModelPath}/${entityId}`, queryParams).pipe(tap(() => this._updateLastChanged(entityId)));
}
@Validate()
delete(@RequiredParam() body: unknown, modelPath = this._defaultModelPath, queryParams?: List<QueryParam>): Observable<unknown> {
let path = `/${encodeURI(modelPath)}`;
@ -84,6 +84,14 @@ export abstract class GenericService<I> {
});
}
hasChanges$(key = ROOT_CHANGES_KEY): Observable<boolean> {
const modelPath = key === ROOT_CHANGES_KEY ? '' : `${key}/`;
return this._post<{ value: boolean }>(
{ value: this._lastCheckedForChanges.get(key) },
`${this._defaultModelPath}/${modelPath}changes`,
).pipe(map((res: { value: boolean }) => res.value));
}
@Validate()
protected _post<R = I>(
@RequiredParam() body: unknown,
@ -136,7 +144,7 @@ export abstract class GenericService<I> {
return queryParameters;
}
protected _updateLastChanged(): void {
this._lastCheckedForChanges = new Date().toISOString();
protected _updateLastChanged(key = ROOT_CHANGES_KEY): void {
this._lastCheckedForChanges.set(key, new Date().toISOString());
}
}