fix issue where curation tasks wouldn't work for collections and communities because the handle was in the wrong format

Author: artlowel

src/app/curation-form/curation-form.component.spec.ts

@@ -15,6 +15,7 @@ import { By } from '@angular/platform-browser';
 import { ConfigurationDataService } from '../core/data/configuration-data.service';
 import { ConfigurationProperty } from '../core/shared/configuration-property.model';
 import { getProcessDetailRoute } from '../process-page/process-page-routing.paths';
+import { HandleService } from '../shared/handle.service';
 
 describe('CurationFormComponent', () => {
   let comp: CurationFormComponent;
@@ -23,6 +24,7 @@ describe('CurationFormComponent', () => {
   let scriptDataService: ScriptDataService;
   let processDataService: ProcessDataService;
   let configurationDataService: ConfigurationDataService;
+  let handleService: HandleService;
   let notificationsService;
   let router;
 
@@ -51,18 +53,23 @@ describe('CurationFormComponent', () => {
       }))
     });
 
+    handleService = {
+      normalizeHandle: (a) => a
+    } as any;
+
     notificationsService = new NotificationsServiceStub();
     router = new RouterStub();
 
     TestBed.configureTestingModule({
       imports: [TranslateModule.forRoot(), FormsModule, ReactiveFormsModule],
       declarations: [CurationFormComponent],
       providers: [
-        {provide: ScriptDataService, useValue: scriptDataService},
-        {provide: ProcessDataService, useValue: processDataService},
-        {provide: NotificationsService, useValue: notificationsService},
-        {provide: Router, useValue: router},
-        {provide: ConfigurationDataService, useValue: configurationDataService},
+        { provide: ScriptDataService, useValue: scriptDataService },
+        { provide: ProcessDataService, useValue: processDataService },
+        { provide: NotificationsService, useValue: notificationsService },
+        { provide: HandleService, useValue: handleService },
+        { provide: Router, useValue: router},
+        { provide: ConfigurationDataService, useValue: configurationDataService },
       ],
       schemas: [CUSTOM_ELEMENTS_SCHEMA]
     }).compileComponents();
@@ -143,4 +150,13 @@ describe('CurationFormComponent', () => {
       {name: '-i', value: 'all'},
     ], []);
   });
+
+  it(`should show an error notification and return when an invalid dsoHandle is provided`, () => {
+    comp.dsoHandle = 'test-handle';
+    spyOn(handleService, 'normalizeHandle').and.returnValue(null);
+    comp.submit();
+
+    expect(notificationsService.error).toHaveBeenCalled();
+    expect(scriptDataService.invoke).not.toHaveBeenCalled();
+  });
 });

src/app/curation-form/curation-form.component.ts

@@ -5,7 +5,7 @@ import { getFirstCompletedRemoteData } from '../core/shared/operators';
 import { find, map } from 'rxjs/operators';
 import { NotificationsService } from '../shared/notifications/notifications.service';
 import { TranslateService } from '@ngx-translate/core';
-import { hasValue, isEmpty, isNotEmpty } from '../shared/empty.util';
+import { hasValue, isEmpty, isNotEmpty, hasNoValue } from '../shared/empty.util';
 import { RemoteData } from '../core/data/remote-data';
 import { Router } from '@angular/router';
 import { ProcessDataService } from '../core/data/processes/process-data.service';
@@ -14,9 +14,9 @@ import { ConfigurationDataService } from '../core/data/configuration-data.servic
 import { ConfigurationProperty } from '../core/shared/configuration-property.model';
 import { Observable } from 'rxjs';
 import { getProcessDetailRoute } from '../process-page/process-page-routing.paths';
+import { HandleService } from '../shared/handle.service';
 
 export const CURATION_CFG = 'plugin.named.org.dspace.curate.CurationTask';
-
 /**
  * Component responsible for rendering the Curation Task form
  */
@@ -39,6 +39,7 @@ export class CurationFormComponent implements OnInit {
     private processDataService: ProcessDataService,
     private notificationsService: NotificationsService,
     private translateService: TranslateService,
+    private handleService: HandleService,
     private router: Router
   ) {
   }
@@ -76,13 +77,19 @@ export class CurationFormComponent implements OnInit {
     const taskName = this.form.get('task').value;
     let handle;
     if (this.hasHandleValue()) {
-      handle = this.dsoHandle;
+      handle = this.handleService.normalizeHandle(this.dsoHandle);
+      if (isEmpty(handle)) {
+        this.notificationsService.error(this.translateService.get('curation.form.submit.error.head'),
+          this.translateService.get('curation.form.submit.error.invalid-handle'));
+        return;
+      }
     } else {
-      handle = this.form.get('handle').value;
+      handle = this.handleService.normalizeHandle(this.form.get('handle').value);
       if (isEmpty(handle)) {
         handle = 'all';
       }
     }
+
     this.scriptDataService.invoke('curate', [
       { name: '-t', value: taskName },
       { name: '-i', value: handle },

src/app/shared/handle.service.spec.ts

@@ -0,0 +1,47 @@
+import { HandleService } from './handle.service';
+
+describe('HandleService', () => {
+  let service: HandleService;
+
+  beforeEach(() => {
+    service = new HandleService();
+  });
+
+  describe(`normalizeHandle`, () => {
+    it(`should simply return an already normalized handle`, () => {
+      let input, output;
+
+      input = '123456789/123456';
+      output = service.normalizeHandle(input);
+      expect(output).toEqual(input);
+
+      input = '12.3456.789/123456';
+      output = service.normalizeHandle(input);
+      expect(output).toEqual(input);
+    });
+
+    it(`should normalize a handle url`, () => {
+      let input, output;
+
+      input = 'https://hdl.handle.net/handle/123456789/123456';
+      output = service.normalizeHandle(input);
+      expect(output).toEqual('123456789/123456');
+
+      input = 'https://rest.api/server/handle/123456789/123456';
+      output = service.normalizeHandle(input);
+      expect(output).toEqual('123456789/123456');
+    });
+
+    it(`should return null if the input doesn't contain a handle`, () => {
+      let input, output;
+
+      input = 'https://hdl.handle.net/handle/123456789';
+      output = service.normalizeHandle(input);
+      expect(output).toBeNull();
+
+      input = 'something completely different';
+      output = service.normalizeHandle(input);
+      expect(output).toBeNull();
+    });
+  });
+});

src/app/shared/handle.service.ts

@@ -0,0 +1,41 @@
+import { Injectable } from '@angular/core';
+import { isNotEmpty, isEmpty } from './empty.util';
+
+const PREFIX_REGEX = /handle\/([^\/]+\/[^\/]+)$/;
+const NO_PREFIX_REGEX = /^([^\/]+\/[^\/]+)$/;
+
+@Injectable({
+  providedIn: 'root'
+})
+export class HandleService {
+
+
+  /**
+   * Turns a handle string into the default 123456789/12345 format
+   *
+   * @param handle the input handle
+   *
+   * normalizeHandle('123456789/123456')                                 // '123456789/123456'
+   * normalizeHandle('12.3456.789/123456')                               // '12.3456.789/123456'
+   * normalizeHandle('https://hdl.handle.net/handle/123456789/123456')   // '123456789/123456'
+   * normalizeHandle('https://rest.api/server/handle/123456789/123456')  // '123456789/123456'
+   * normalizeHandle('https://rest.api/server/handle/123456789')         // null
+   */
+  normalizeHandle(handle: string): string {
+    let matches: string[];
+    if (isNotEmpty(handle)) {
+      matches = handle.match(PREFIX_REGEX);
+    }
+
+    if (isEmpty(matches) || matches.length < 2) {
+      matches = handle.match(NO_PREFIX_REGEX);
+    }
+
+    if (isEmpty(matches) || matches.length < 2) {
+      return null;
+    } else {
+      return matches[1];
+    }
+  }
+
+}

src/assets/i18n/en.json5

@@ -1291,6 +1291,8 @@
 
   "curation.form.submit.error.content": "An error occured when trying to start the curation task.",
 
+  "curation.form.submit.error.invalid-handle": "Couldn't determine the handle for this object",
+
   "curation.form.handle.label": "Handle:",
 
   "curation.form.handle.hint": "Hint: Enter [your-handle-prefix]/0 to run a task across entire site (not all tasks may support this capability)",