Fixed column name

Signed-off-by: Arnau Mora <arnyminerz@proton.me>

Author: ArnyminerZ

app/src/main/kotlin/at/bitfire/davdroid/db/WebDavDocument.kt

@@ -32,6 +32,7 @@ import java.time.Instant
         Index("parentId")
     ]
 )
+// If any column name is modified, also change it in [DavDocumentsProvider$queryChildDocuments]
 data class WebDavDocument(
 
     @PrimaryKey(autoGenerate = true)

app/src/main/kotlin/at/bitfire/davdroid/webdav/DavDocumentsProvider.kt

@@ -287,7 +287,20 @@ class DavDocumentsProvider(
             runningQueryChildren.remove(parentId)
 
         // Regardless of whether the worker is done, return the children we already have
-        val children = if (sortOrder == null) documentDao.getChildren(parentId) else documentDao.getChildrenOrdered(parentId, sortOrder)
+        val children = if (sortOrder == null) {
+            documentDao.getChildren(parentId)
+        } else {
+            documentDao.getChildrenOrdered(
+                parentId,
+                // Convert the cursor's column name into Room's
+                sortOrder
+                    .replace(Document.COLUMN_DOCUMENT_ID, "id")
+                    .replace(Document.COLUMN_DISPLAY_NAME, "displayName")
+                    .replace(Document.COLUMN_MIME_TYPE, "mimeType")
+                    .replace(Document.COLUMN_SIZE, "size")
+                    .replace(Document.COLUMN_LAST_MODIFIED, "lastModified")
+            )
+        }
         for (child in children) {
             val bundle = child.toBundle(parent)
             result.addRow(bundle)