added compact() to CouchDbDatabase

Author: retrodaredevil

couchdb/src/main/java/me/retrodaredevil/couchdbjava/CouchDbDatabase.java

@@ -131,6 +131,8 @@ default String getCurrentRevision(String id) throws CouchDbException {
 		return deleteAttachment(documentId, attachmentName, documentRevision, false);
 	}
 
+	void compact() throws CouchDbException;
+
 	// TODO implement:
 	// _local_docs: https://docs.couchdb.org/en/stable/api/local.html#db-local-docs
 	// _local/id: https://docs.couchdb.org/en/stable/api/local.html#db-local-id

couchdb/src/main/java/me/retrodaredevil/couchdbjava/okhttp/CouchDbDatabaseService.java

@@ -119,6 +119,7 @@ Call<DocumentResponse.Body> deleteAttachment(
 	 * https://docs.couchdb.org/en/stable/api/database/compact.html
 	 * https://docs.couchdb.org/en/stable/maintenance/compaction.html#database-compaction
 	 */
+	@Headers({"Content-Type: application/json"})
 	@POST("_compact")
 	Call<SimpleStatus> compact();
 

couchdb/src/main/java/me/retrodaredevil/couchdbjava/okhttp/OkHttpCouchDbDatabase.java

@@ -479,6 +479,12 @@ public boolean isOneShot() {
 		return instance.executeAndHandle(service.deleteAttachment(documentId, attachmentName, documentRevision, batchString), OkHttpCouchDbDatabase::transformDocumentResponseOptionalETag);
 	}
 
+	@Override
+	public void compact() throws CouchDbException {
+		instance.preAuthorize();
+		instance.executeAndHandle(service.compact());
+	}
+
 	// endregion
 
 	private class OkHttpCouchDbShared implements CouchDbShared {

couchdb/src/test/java/me/retrodaredevil/couchdbjava/integration/test/DocumentUpdateTest.java

@@ -109,6 +109,9 @@ void test(DatabaseService databaseService) throws CouchDbException, IOException
 		} else if (databaseService == DatabaseService.POUCHDB) {
 			assertThrows(UnsupportedOperationException.class, () -> database.getCurrentRevision(documentId));
 		}
+
+		// test database compacting here since we have a couple of revisions
+		database.compact();
 	}
 
 }