BIG BIG BIG BIG BIG UPDATES

Co-authored-by: Copilot <[email protected]>

backend/app/integrations/docker/editor.py

@@ -0,0 +1,60 @@
+from pathlib import Path
+
+import yaml
+from integrations.docker.compose import find_docker_compose, run_docker_command
+from integrations.docker.ports import _get_port_index, _replace_port_in_mapping
+
+
+def _backup_path_for(compose_path: Path) -> Path:
+    if compose_path.suffix in {".yml", ".yaml"}:
+        return compose_path.with_name(f"{compose_path.stem}.bak{compose_path.suffix}")
+    return compose_path.with_name(f"{compose_path.name}.bak")
+
+
+async def change_port(
+    service_name: str,
+    folder: Path,
+    port_from: int,
+    port_to: int,
+) -> bool:
+    compose_data = find_docker_compose(folder)
+    if compose_data is None:
+        return False
+
+    docker_compose, compose_path = compose_data
+    compose_services = docker_compose.get("services") or {}
+    if not compose_services:
+        return False
+
+    service_config = compose_services.get(service_name)
+    if not isinstance(service_config, dict):
+        return False
+
+    mappings = service_config.get("ports")
+    if not isinstance(mappings, list):
+        return False
+
+    idx = _get_port_index(mappings, port_from)
+    if idx is None:
+        return False
+
+    mappings[idx] = _replace_port_in_mapping(mappings[idx], port_from, port_to)
+
+    backup_path = _backup_path_for(compose_path)
+    original_text = compose_path.read_text()
+
+    backup_path.write_text(compose_path.read_text())
+    compose_path.write_text(
+        yaml.dump(docker_compose, default_flow_style=False, sort_keys=False)
+    )
+
+    result = await run_docker_command(
+        compose_path,
+        ["up", "-d", service_name],
+    )
+
+    if result is None or result.get("status") != "success":
+        compose_path.write_text(original_text)
+        return False
+
+    return True