EPUB recognition: Fix DOI search results being thrown away

https://forums.zotero.org/discussion/116524/epub-articles-and-books-not-getting-metadata-like-pdfs

chrome/content/zotero/xpcom/recognizeDocument.js

@@ -624,14 +624,15 @@ Zotero.RecognizeDocument = new function () {
 						saveAttachments: false
 					});
 					if (searchItemJSON) {
-						if (search.ISBN && searchItemJSON?.ISBN?.split(' ')
+						itemJSON = searchItemJSON;
+						if (search.ISBN && searchItemJSON.ISBN && !searchItemJSON.ISBN.split(' ')
 								.map(resolvedISBN => Zotero.Utilities.cleanISBN(resolvedISBN))
 								.includes(search.ISBN)) {
-							Zotero.debug('RecognizeDocument: Using ISBN search result');
+							Zotero.debug(`RecognizeDocument: ISBN mismatch (was ${search.ISBN}, got ${searchItemJSON.ISBN})`);
-							itemJSON = searchItemJSON;
+							itemJSON = null;
 						}
 						else {
-							Zotero.debug(`RecognizeDocument: ISBN mismatch (was ${search.ISBN}, got ${searchItemJSON.ISBN})`);
+							Zotero.debug('RecognizeDocument: Using search result');
 						}
 					}
 				}

test/tests/recognizeDocumentTest.js

@@ -11,6 +11,9 @@ describe("Document Recognition", function() {
 	}
 	
 	before(function* () {
+		// Don't slow down attachment imports with indexing
+		Zotero.Prefs.set('fulltext.textMaxLength', 0);
+		
 		this.timeout(60000);
 		// Load Zotero pane and install PDF tools
 		yield Zotero.Promise.all([
@@ -39,6 +42,8 @@ describe("Document Recognition", function() {
 	});
 	
 	after(function() {
+		Zotero.Prefs.clear('fulltext.textMaxLength');
+		
 		if (win) {
 			win.close();
 		}
@@ -369,7 +374,73 @@ describe("Document Recognition", function() {
 			translateStub.restore();
 		});
 		
-		it("should recognize an EPUB without an ISBN and rename the file", async function () {
+		it("should recognize an EPUB by DOI and rename the file", async function () {
+			let doi = '10.1177/20539517241232630';
+			let search;
+			let translateStub = sinon.stub(Zotero.Translate.Search.prototype, 'translate')
+				.callsFake(async function () {
+					search = this.search;
+					return [{
+						itemType: "journalArticle",
+						title: "Big AI: Cloud infrastructure dependence and the industrialisation of artificial intelligence",
+						publicationTitle: "Big Data & Society",
+						DOI: "10.1177/20539517241232630",
+						creators: [
+							{
+								firstName: "Fernando",
+								lastName: "Van Der Vlist",
+								creatorType: "author"
+							},
+							{
+								firstName: "Anne",
+								lastName: "Helmond",
+								creatorType: "author"
+							},
+							{
+								firstName: "Fabian",
+								lastName: "Ferrari",
+								creatorType: "author"
+							}
+						],
+						tags: []
+					}];
+				});
+
+			let testDir = getTestDataDirectory();
+			testDir.append('recognizeEPUB_test_DOI.epub');
+			let attachment = await Zotero.Attachments.importFromFile({ file: testDir });
+
+			win.ZoteroPane.recognizeSelected();
+
+			let addedIDs = await waitForItemEvent('add');
+			let modifiedIDs = await waitForItemEvent('modify');
+			assert.isTrue(translateStub.calledOnce);
+			assert.ok(search);
+			assert.equal(search.DOI, doi);
+			assert.lengthOf(addedIDs, 1);
+			let item = Zotero.Items.get(addedIDs[0]);
+			assert.equal(item.getField('title'), 'Big AI: Cloud infrastructure dependence and the industrialisation of artificial intelligence');
+			assert.equal(Zotero.Utilities.cleanDOI(item.getField('DOI')), doi);
+			assert.lengthOf(modifiedIDs, 2);
+
+			await waitForProgressWindow();
+
+			// The file should have been renamed
+			assert.equal(
+				attachment.attachmentFilename,
+				Zotero.Attachments.getFileBaseNameFromItem(item) + '.epub'
+			);
+
+			// The title should have changed
+			assert.equal(
+				attachment.getField('title'),
+				Zotero.getString('file-type-ebook')
+			);
+
+			translateStub.restore();
+		});
+
+		it("should recognize an EPUB without identifiers and rename the file", async function () {
 			let testDir = getTestDataDirectory();
 			testDir.append('recognizeEPUB_test_DC.epub');
 			let attachment = await Zotero.Attachments.importFromFile({ file: testDir });