From 0c9d1e45502413718c946062c14505eb6b663bdd Mon Sep 17 00:00:00 2001
From: "Gantner, Florian Klaus" <florian.gantner@uni-bamberg.de>
Date: Tue, 2 Apr 2024 17:34:43 +0200
Subject: [PATCH 1/2] also export bibtex format in multiple mode

---
 dspace/config/spring/api/crosswalks.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dspace/config/spring/api/crosswalks.xml b/dspace/config/spring/api/crosswalks.xml
index 9184a56482da..b123dc26a5f7 100644
--- a/dspace/config/spring/api/crosswalks.xml
+++ b/dspace/config/spring/api/crosswalks.xml
@@ -78,7 +78,7 @@
 		<property name="mimeType" value="application/x-bibtex; charset=UTF-8"/>
 		<property name="format" value="text"/>
 		<property name="fileName" value="references.bib"/>
-		<property name="crosswalkMode" value="#{T(org.dspace.content.crosswalk.CrosswalkMode).SINGLE}"/>
+		<property name="crosswalkMode" value="#{T(org.dspace.content.crosswalk.CrosswalkMode).SINGLE_AND_MULTIPLE}"/>
 	</bean>
 	
 	<bean class="org.dspace.content.integration.crosswalks.CSLItemDataCrosswalk" id="cslItemDataCrosswalkApa">

From 773be293885ee93b109c3d205b8152935be00578 Mon Sep 17 00:00:00 2001
From: "Gantner, Florian Klaus" <florian.gantner@uni-bamberg.de>
Date: Tue, 2 Apr 2024 17:38:10 +0200
Subject: [PATCH 2/2] test for multiple bibtex export

---
 .../assetstore/crosswalk/publications.bib     |  2 +
 .../crosswalks/CSLItemDataCrosswalkIT.java    | 49 +++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 dspace-api/src/test/data/dspaceFolder/assetstore/crosswalk/publications.bib

diff --git a/dspace-api/src/test/data/dspaceFolder/assetstore/crosswalk/publications.bib b/dspace-api/src/test/data/dspaceFolder/assetstore/crosswalk/publications.bib
new file mode 100644
index 000000000000..4381ab279bac
--- /dev/null
+++ b/dspace-api/src/test/data/dspaceFolder/assetstore/crosswalk/publications.bib
@@ -0,0 +1,2 @@
+ @article{Smith_Red_2018, title={Publication title}, volume={V01}, ISBN={11-22-33}, url={http://localhost:4000/handle/123456789/0001}, DOI={10.1000/182}, number={3}, publisher={Publisher}, author={Smith, John and Red, Edward}, editor={EditorEditor}, year={2018}, month={May}}
+ @book{White_2020, title={Another Publication title}, url={http://localhost:4000/handle/123456789/0002}, DOI={10.1000/183}, author={White, Walter}, year={2020}, month={Jan}}
diff --git a/dspace-api/src/test/java/org/dspace/content/integration/crosswalks/CSLItemDataCrosswalkIT.java b/dspace-api/src/test/java/org/dspace/content/integration/crosswalks/CSLItemDataCrosswalkIT.java
index 4aa64c8b0ebb..3bda43cad59a 100644
--- a/dspace-api/src/test/java/org/dspace/content/integration/crosswalks/CSLItemDataCrosswalkIT.java
+++ b/dspace-api/src/test/java/org/dspace/content/integration/crosswalks/CSLItemDataCrosswalkIT.java
@@ -296,6 +296,55 @@ public void testMutlipleItemsApaDisseminate() throws Exception {
         }
     }
 
+    @Test
+    public void testMultipleItemsBibtexDisseminate() throws Exception {
+        context.turnOffAuthorisationSystem();
+
+        Item item = createItem(context, collection)
+            .withEntityType("Publication")
+            .withType("Controlled Vocabulary for Resource Type Genres::text::periodical::journal")
+            .withLanguage("en")
+            .withDoiIdentifier("10.1000/182")
+            .withIsbnIdentifier("11-22-33")
+            .withIssnIdentifier("0002")
+            .withSubject("publication")
+            .withPublisher("Publisher")
+            .withVolume("V01")
+            .withIssue("03")
+            .withRelationConference("Conference")
+            .withTitle("Publication title")
+            .withIssueDate("2018-05-17")
+            .withAuthor("Smith, John")
+            .withAuthor("Red, Edward")
+            .withEditor("Editor")
+            .withHandle("123456789/0001")
+            .build();
+
+        Item anotherItem = createItem(context, collection)
+            .withEntityType("Publication")
+            .withType("Controlled Vocabulary for Resource Type Genres::text::book")
+            .withLanguage("en")
+            .withDoiIdentifier("10.1000/183")
+            .withTitle("Another Publication title")
+            .withIssueDate("2020-01-01")
+            .withAuthor("White, Walter")
+            .withHandle("123456789/0002")
+            .build();
+
+        context.restoreAuthSystemState();
+
+        StreamDisseminationCrosswalk crosswalk = crosswalkMapper.getByType("bibtex");
+        assertThat(crosswalk, notNullValue());
+
+        ByteArrayOutputStream out = new ByteArrayOutputStream();
+        crosswalk.disseminate(context, Arrays.asList(item, anotherItem).iterator(), out);
+
+        try (FileInputStream fis = getFileInputStream("publications.bib")) {
+            String expectedContent = IOUtils.toString(fis, Charset.defaultCharset());
+            compareEachLine(out.toString(), expectedContent, true);
+        }
+    }
+
     private void compareEachLine(String result, String expectedResult, boolean skipId) {
 
         String[] resultLines = result.split("\n");