pipe: create a new getRecord pipe

projects/rero/ng-core/src/lib/pipe/get-record.pipe.spec.ts

@@ -0,0 +1,53 @@
+/*
+ * Invenio angular core
+ * Copyright (C) 2019 RERO
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+import { GetRecordPipe } from './get-record.pipe';
+import { Observable, of } from 'rxjs';
+import { RecordService } from '../record/record.service';
+
+class RecordServiceMock {
+  getRecord(type: string, pid: string, resolve = 0): Observable<any> {
+    return of({ metadata: { pid, name: 'foo' }});
+  }
+}
+
+describe('GetRecordPipe', () => {
+  it('create an instance', () => {
+    const pipe = new GetRecordPipe(new RecordServiceMock() as RecordService);
+    expect(pipe).toBeTruthy();
+  });
+
+  it('transform with $ref return object', () => {
+    const pipe = new GetRecordPipe(new RecordServiceMock() as RecordService);
+    pipe.transform('http://foo/1', 'resource').subscribe((result: object) => {
+      expect(result).toEqual({metadata: { pid: '1', name: 'foo' }});
+    });
+  });
+
+  it('transform with id return name', () => {
+    const pipe = new GetRecordPipe(new RecordServiceMock() as RecordService);
+    pipe.transform('10', 'resource', 'field', 'name').subscribe((result: string) => {
+      expect(result).toEqual('foo');
+    });
+  });
+
+  it('transform return null', () => {
+    const pipe = new GetRecordPipe(new RecordServiceMock() as RecordService);
+    pipe.transform('12', 'resource', 'field', 'foo').subscribe((result: string) => {
+      expect(result).toBeNull();
+    });
+  });
+});

projects/rero/ng-core/src/lib/pipe/get-record.pipe.ts

@@ -0,0 +1,52 @@
+/*
+ * Invenio angular core
+ * Copyright (C) 2019 RERO
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+import { Pipe, PipeTransform } from '@angular/core';
+import { RecordService } from '../record/record.service';
+import { map } from 'rxjs/operators';
+import { extractIdOnRef } from '../utils/utils';
+
+@Pipe({
+  name: 'getRecord'
+})
+export class GetRecordPipe implements PipeTransform {
+
+  constructor(private recordService: RecordService) {}
+
+  transform(pid: any, type: string, returnType = 'object', field?: string): any {
+    // process $ref entrypoint
+    if (pid.startsWith('http')) {
+      pid = extractIdOnRef(pid);
+    }
+
+    if ('object' !== returnType) {
+      returnType = 'field';
+    }
+
+    return this.recordService.getRecord(type, pid, 1).pipe(map(data => {
+      if (!data) {
+        return null;
+      }
+      if ('object' === returnType) {
+        return data;
+      }
+      if (field in data.metadata) {
+        return data.metadata[field];
+      }
+      return null;
+    }));
+  }
+}

projects/rero/ng-core/src/lib/shared.module.ts

@@ -36,6 +36,7 @@ import { MenuComponent } from './widget/menu/menu.component';
 import { RouterModule } from '@angular/router';
 import { CallbackArrayFilterPipe } from './pipe/callback-array-filter.pipe';
 import { DateTranslatePipe } from './translate/date-translate-pipe';
+import { GetRecordPipe } from './pipe/get-record.pipe';
 
 
 @NgModule({
@@ -49,7 +50,8 @@ import { DateTranslatePipe } from './translate/date-translate-pipe';
     UpperCaseFirstPipe,
     MenuComponent,
     CallbackArrayFilterPipe,
-    DateTranslatePipe
+    DateTranslatePipe,
+    GetRecordPipe
   ],
   imports: [
     CommonModule,
@@ -83,7 +85,8 @@ import { DateTranslatePipe } from './translate/date-translate-pipe';
     TranslateLanguagePipe,
     UpperCaseFirstPipe,
     MenuComponent,
-    DateTranslatePipe
+    DateTranslatePipe,
+    GetRecordPipe
   ],
   entryComponents: [
     DialogComponent