Merge branch 'export'

persistance/src/main/kotlin/notes/NoteRepositoryImpl.kt

@@ -1,5 +1,6 @@
 package be.simplenotes.persistance.notes
 
+import be.simplenotes.domain.model.ExportedNote
 import be.simplenotes.domain.model.Note
 import be.simplenotes.domain.model.PersistedNote
 import be.simplenotes.domain.model.PersistedNoteMetadata
@@ -167,4 +168,33 @@ internal class NoteRepositoryImpl(private val db: Database) : NoteRepository {
             (it.name eq tag) and (it.note.userId eq userId) and (it.note.deleted eq deleted)
         }
     }
+
+    override fun export(userId: Int): List<ExportedNote> {
+
+        val notes = db.notes
+            .filterColumns { it.columns - it.userId }
+            .filter { it.userId eq userId }
+            .sortedByDescending { it.updatedAt }
+            .toList()
+
+        if (notes.isEmpty()) return emptyList()
+
+        val uuids = notes.map { note -> note.uuid }
+
+        val tagsByUuid = db.tags
+            .filterColumns { listOf(it.noteUuid, it.name) }
+            .filter { it.noteUuid inList uuids }
+            .groupByTo(HashMap(), { it.note.uuid }, { it.name })
+
+        return notes.map { note ->
+            ExportedNote(
+                title = note.title,
+                tags = tagsByUuid[note.uuid] ?: emptyList(),
+                markdown = note.markdown,
+                html = note.html,
+                updatedAt = note.updatedAt,
+                trash = note.deleted,
+            )
+        }
+    }
 }