add import/export functions

functions.py

@@ -528,6 +528,156 @@ def generateFavicon(file_name):
 		resized_img_absolute_path = const.faviconDir / filename
 		resized_img.save(resized_img_absolute_path)
 
+def createExport():
+    try:
+        # just to test if connection works
+        conn = connectToDb()
+        conn.close()
+
+        timestamp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
+        timestamp_morereadable = datetime.now().strftime('%b %d, %Y %H:%M')
+        export_dir = const.exportsDir
+        temp_dir = const.tempDir
+        os.makedirs(export_dir, exist_ok=True)
+        os.makedirs(temp_dir, exist_ok=True)
+        
+        config_dest_path = temp_dir / const.configFile
+        shutil.copy(const.configFile, config_dest_path)
+
+        # Export database to SQL file
+        dump_file = temp_dir / 'database.sql'
+        result = subprocess.Popen(
+            f'mysqldump --quote-names -u {dbUser} -p{dbPass} {dbName} --result-file={dump_file}',
+            stdin=subprocess.PIPE,
+            shell=True,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            encoding="utf-8"
+        )
+        # absolutely dumb workaround for an error
+        time.sleep(1)
+
+        # Create export zip archive
+        zip_file_path = export_dir / f'export-{timestamp}.zip'
+        with zipfile.ZipFile(zip_file_path, 'w') as export_zip:
+            export_zip.write(config_dest_path, arcname=const.configFile)
+            export_zip.write(dump_file, arcname='database.sql')
+
+            # Add favicon and emojis folders to the zip archive
+            favicon_dir = Path('static/icons/favicon')
+            emojis_dir = Path('static/emojis')
+
+            if favicon_dir.exists():
+                for root, _, files in os.walk(favicon_dir):
+                    for file in files:
+                        file_path = Path(root) / file
+                        export_zip.write(file_path, arcname=file_path.relative_to(favicon_dir.parent.parent))
+            
+            if emojis_dir.exists():
+                for root, _, files in os.walk(emojis_dir):
+                    for file in files:
+                        file_path = Path(root) / file
+                        export_zip.write(file_path, arcname=file_path.relative_to(emojis_dir.parent))
+
+        # Record export metadata
+        export_data = {
+            'timestamp_esc': timestamp,
+            'timestamp': timestamp_morereadable,
+            'downloadPath': str(zip_file_path)
+        }
+        appendToJSON(export_data, const.exportsFile)
+        shutil.rmtree(temp_dir)
+
+        return {'message': 'Export created successfully!'}
+    except mysql.connector.Error as e:
+        return {'error': str(e)}, 500
+    except Exception as e:
+        return {'error': str(e)}, 500
+
+
+def importData(export_file):
+    try:
+        shutil.unpack_archive(export_file, const.tempDir)
+        
+        # Replace config file
+        os.remove(const.configFile)
+        shutil.move(const.tempDir / const.configFile, Path.cwd() / const.configFile)
+
+        # Replace favicon and emojis folders
+        favicon_dest = Path('static/icons/favicon')
+        emojis_dest = Path('static/emojis')
+        
+        shutil.rmtree(favicon_dest)
+        shutil.copytree(const.tempDir / 'icons' / 'favicon', favicon_dest)
+
+        shutil.rmtree(emojis_dest)
+        shutil.copytree(const.tempDir / 'emojis', emojis_dest)
+
+        # Restore database from SQL file
+        conn = connectToDb()
+        cursor = conn.cursor()
+
+        with open(const.tempDir / 'database.sql', 'r') as schema_file:
+            try:
+                # for some reason `cursor.execute(schema, multi=True)` doesn't work, so we use this instead
+                schema = schema_file.read()
+                queries = schema.split(';')
+                for query in queries:
+                	cursor.execute(query)
+            except mysql.connector.Error as e:
+                return {'error': str(e)}, 500
+            finally:
+                cursor.close()
+                conn.close()
+                shutil.rmtree(const.tempDir)
+
+        return {'message': 'Data imported successfully!'}
+    except Exception as e:
+        return {'error': str(e)}, 500
+
+# will probably get to it in 1.8.0 because my brain can't do it rn
+"""
+def retrospringImport(export_file):
+    shutil.unpack_archive(export_file, const.tempDir)
+    # probably a hack but whateva
+    export_dirname = Path(export_file).stem
+    export_dir = const.tempDir / export_dirname
+        
+    conn = connectToDb()
+    cursor = conn.cursor()
+        
+    questions_file = loadJSON(export_dir / 'questions.json')
+    answers_file = loadJSON(export_dir / 'answers.json')
+
+    # Extract answers list
+    questions_list = questions_file.get('questions', [])
+    answers_list = answers_file.get('answers', [])
+    # ['related']['question']['anonymous']
+
+    for question in questions_list:
+        # addQuestion(answer['related']['question']['anonymous'], question['content'], None, noAntispam=True)
+        for answer in answers_list:
+            print("anonymous:", answer['related']['question']['anonymous'])
+            print(question['id'], answer['content'], None)
+            # addAnswer(question['id'], answer['content'], None)
+
+    # shutil.rmtree(const.tempDir)
+
+    cursor.close()
+    conn.close()
+"""
+
+def deleteExport(timestamp):
+    try:
+        export_file = Path('static') / 'exports' / f'export-{timestamp}.zip'
+        data = loadJSON(const.exportsFile)
+        data = [export for export in data if export["timestamp_esc"] != timestamp]
+        export_file.unlink()
+        saveJSON(data, const.exportsFile)
+        return {'message': f'Export {timestamp} deleted successfully.'}
+    except Exception as e:
+        return {'error': str(e)}, 500
+
 # reserved for 1.7.0 or later
 """
 def getUserIp():