skip file parsing if no content (#1633)

Author: mykalmax

web/client/openapi.json

@@ -1121,7 +1121,15 @@
       },
       "IntervalUnit": {
         "type": "string",
-        "enum": ["year", "month", "day", "hour", "minute"],
+        "enum": [
+          "year",
+          "month",
+          "day",
+          "hour",
+          "half_hour",
+          "quarter_hour",
+          "five_minute"
+        ],
         "title": "IntervalUnit",
         "description": "IntervalUnit is the inferred granularity of an incremental node.\n\nIntervalUnit can be one of 5 types, YEAR, MONTH, DAY, HOUR, MINUTE. The unit is inferred\nbased on the cron schedule of a node. The minimum time delta between a sample set of dates\nis used to determine which unit a node's schedule is."
       },

web/server/api/endpoints/files.py

@@ -74,7 +74,7 @@ async def write_file(
         replace_file(settings.project_path / path, settings.project_path / path_or_new_path)
     else:
         full_path = settings.project_path / path
-        if pathlib.Path(path_or_new_path).suffix == ".sql":
+        if content and pathlib.Path(path_or_new_path).suffix == ".sql":
             path_to_model_mapping = await get_path_to_model_mapping(settings=settings)
             model = path_to_model_mapping.get(Path(full_path))
             default_dialect = context.config_for_path(Path(path_or_new_path)).dialect