Attachment upload fails for Pages/Chapters in Books composition with Invalid CQN error

CHANGELOG.md

@@ -4,6 +4,18 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 The format is based on [Keep a Changelog](http://keepachangelog.com/).
 
+## Version 1.7.0
+
+### Added
+- ChangeLog support
+- MoveAttachments support
+- Upload Status support in Attachments
+- Internationalization support for error messages
+
+### Fixed
+- Prevent unwanted update calls on edit without changes
+- Heap Out of Memory error in Large file upload
+
 ## Version 1.6.2
 
 ### Fixed

sdm/src/main/java/com/sap/cds/sdm/handler/applicationservice/SDMCreateAttachmentsHandler.java

@@ -72,9 +72,8 @@ public void processBefore(CdsCreateEventContext context, List<CdsData> data) thr
       logger.info("Attachment compositions present in CDS Model : " + attachmentCompositionDetails);
       updateName(context, data, attachmentCompositionDetails);
       // Remove uploadStatus from attachment data to prevent validation errors
-
+      cleanupReadonlyContextsForAttachments(context, entityData, attachmentCompositionDetails);
     }
-    SDMUtils.cleanupReadonlyContexts(data);
   }
 
   @After
@@ -536,6 +535,45 @@ private void appendWithSpace(StringBuilder sb) {
     }
   }
 
+  private void cleanupReadonlyContextsForAttachments(
+      CdsCreateEventContext context,
+      Map<String, Object> entityData,
+      Map<String, Map<String, String>> attachmentCompositionDetails) {
+    String targetEntity = context.getTarget().getQualifiedName();
+
+    for (Map.Entry<String, Map<String, String>> entry : attachmentCompositionDetails.entrySet()) {
+      String attachmentCompositionName = entry.getValue().get("name");
+
+      logger.info(
+          "Cleaning up SDM_READONLY_CONTEXT for composition: {}", attachmentCompositionName);
+
+      // Fetch attachments for this specific composition
+      List<Map<String, Object>> attachments =
+          AttachmentsHandlerUtils.fetchAttachments(
+              targetEntity, entityData, attachmentCompositionName);
+
+      if (attachments != null && !attachments.isEmpty()) {
+        logger.info(
+            "Found {} attachments in composition: {}",
+            attachments.size(),
+            attachmentCompositionName);
+
+        for (int i = 0; i < attachments.size(); i++) {
+          Map<String, Object> attachment = attachments.get(i);
+          if (attachment.containsKey(SDM_READONLY_CONTEXT)) {
+            logger.info(
+                "  Removing SDM_READONLY_CONTEXT from attachment [{}] in {}",
+                i,
+                attachmentCompositionName);
+            attachment.remove(SDM_READONLY_CONTEXT);
+          }
+        }
+      } else {
+        logger.info("No attachments found for composition: {}", attachmentCompositionName);
+      }
+    }
+  }
+
   private static class SDMAttachmentData {
     final String fileNameInSDM;
     final String descriptionInSDM;

sdm/src/main/java/com/sap/cds/sdm/handler/applicationservice/SDMUpdateAttachmentsHandler.java

@@ -122,8 +122,10 @@ public void processBefore(CdsUpdateEventContext context, List<CdsData> data) thr
       logger.info("Attachment compositions present in CDS Model : " + attachmentCompositionDetails);
 
       updateName(context, data, attachmentCompositionDetails);
+
+      // Remove uploadStatus from attachment data to prevent validation errors
+      cleanupReadonlyContextsForAttachments(context, entityData, attachmentCompositionDetails);
     }
-    SDMUtils.cleanupReadonlyContexts(data);
   }
 
   public void updateName(
@@ -582,4 +584,43 @@ private void handleWarnings(
                   + contextInfo);
     }
   }
+
+  private void cleanupReadonlyContextsForAttachments(
+      CdsUpdateEventContext context,
+      Map<String, Object> entityData,
+      Map<String, Map<String, String>> attachmentCompositionDetails) {
+    String targetEntity = context.getTarget().getQualifiedName();
+
+    for (Map.Entry<String, Map<String, String>> entry : attachmentCompositionDetails.entrySet()) {
+      String attachmentCompositionName = entry.getValue().get("name");
+
+      logger.info(
+          "Cleaning up SDM_READONLY_CONTEXT for composition: {}", attachmentCompositionName);
+
+      // Fetch attachments for this specific composition
+      List<Map<String, Object>> attachments =
+          AttachmentsHandlerUtils.fetchAttachments(
+              targetEntity, entityData, attachmentCompositionName);
+
+      if (attachments != null && !attachments.isEmpty()) {
+        logger.info(
+            "Found {} attachments in composition: {}",
+            attachments.size(),
+            attachmentCompositionName);
+
+        for (int i = 0; i < attachments.size(); i++) {
+          Map<String, Object> attachment = attachments.get(i);
+          if (attachment.containsKey(SDM_READONLY_CONTEXT)) {
+            logger.info(
+                "  Removing SDM_READONLY_CONTEXT from attachment [{}] in {}",
+                i,
+                attachmentCompositionName);
+            attachment.remove(SDM_READONLY_CONTEXT);
+          }
+        }
+      } else {
+        logger.info("No attachments found for composition: {}", attachmentCompositionName);
+      }
+    }
+  }
 }

sdm/src/main/java/com/sap/cds/sdm/utilities/SDMUtils.java

@@ -67,24 +67,6 @@ public static Set<String> FileNameContainsWhitespace(
     return filenamesWithWhitespace;
   }
 
-  public static void cleanupReadonlyContexts(List<CdsData> data) {
-    for (CdsData entityData : data) {
-      // Remove SDM_READONLY_CONTEXT from all attachments in the data
-      entityData.forEach(
-          (key, value) -> {
-            if (value instanceof List) {
-              List<?> list = (List<?>) value;
-              for (Object item : list) {
-                if (item instanceof Map) {
-                  Map<String, Object> attachment = (Map<String, Object>) item;
-                  attachment.remove(SDM_READONLY_CONTEXT);
-                }
-              }
-            }
-          });
-    }
-  }
-
   public static Set<String> FileNameDuplicateInDrafts(
       List<CdsData> data, String composition, String targetEntity, String upIdKey) {
     Set<String> uniqueFilenames = new HashSet<>();