RPC endpoint for column info with metadata

docs/docs/api/rpc.md

@@ -134,6 +134,7 @@ To use an RPC function:
       - add
       - patch
       - delete
+      - list_with_metadata
       - ColumnInfo
       - ColumnListReturn
       - CreatableColumnInfo
@@ -148,9 +149,9 @@ To use an RPC function:
     options:
       members:
       - list_
-      - patch
-      - ColumnMetaData
-      - SettableColumnMetaData
+      - set_
+      - ColumnMetaDataRecord
+      - ColumnMetaDataBlob
 
 ## Types
 

mathesar/rpc/columns/base.py

@@ -10,8 +10,10 @@
 from db.columns.operations.create import add_columns_to_table
 from db.columns.operations.drop import drop_columns_from_table
 from db.columns.operations.select import get_column_info_for_table
+from mathesar.rpc.columns.metadata import ColumnMetaDataBlob
 from mathesar.rpc.exceptions.handlers import handle_rpc_exceptions
 from mathesar.rpc.utils import connect
+from mathesar.utils.columns import get_columns_meta_data
 
 
 class TypeOptions(TypedDict, total=False):
@@ -282,3 +284,25 @@ def delete(
     user = kwargs.get(REQUEST_KEY).user
     with connect(database_id, user) as conn:
         return drop_columns_from_table(table_oid, column_attnums, conn)
+
+
+@rpc_method(name="columns.list_with_metadata")
+@http_basic_auth_login_required
+@handle_rpc_exceptions
+def list_with_metadata(*, table_oid: int, database_id: int, **kwargs) -> list:
+    """
+    List information about columns for a table, along with the metadata associated with each column.
+    Args:
+        table_oid: Identity of the table in the user's database.
+        database_id: The Django id of the database containing the table.
+    Returns:
+        A list of column details.
+    """
+    user = kwargs.get(REQUEST_KEY).user
+    with connect(database_id, user) as conn:
+        column_info = get_column_info_for_table(table_oid, conn)
+    column_metadata = get_columns_meta_data(table_oid, database_id)
+    metadata_map = {
+        c.attnum: ColumnMetaDataBlob.from_model(c) for c in column_metadata
+    }
+    return [col | {"metadata": metadata_map.get(col["id"])} for col in column_info]

mathesar/rpc/columns/metadata.py

@@ -7,10 +7,10 @@
 from modernrpc.auth.basic import http_basic_auth_login_required
 
 from mathesar.rpc.exceptions.handlers import handle_rpc_exceptions
-from mathesar.utils.columns import get_columns_meta_data, patch_columns_meta_data
+from mathesar.utils.columns import get_columns_meta_data, set_columns_meta_data
 
 
-class ColumnMetaData(TypedDict):
+class ColumnMetaDataRecord(TypedDict):
     """
     Metadata for a column in a table.
 
@@ -73,9 +73,9 @@ def from_model(cls, model):
         )
 
 
-class SettableColumnMetaData(TypedDict):
+class ColumnMetaDataBlob(TypedDict):
     """
-    Settable metadata fields for a column in a table.
+    The metadata fields which can be set for a column in a table.
 
     Attributes:
         attnum: The attnum of the column in the table.
@@ -108,11 +108,30 @@ class SettableColumnMetaData(TypedDict):
     duration_max: Optional[str]
     duration_show_units: Optional[bool]
 
+    @classmethod
+    def from_model(cls, model):
+        return cls(
+            attnum=model.attnum,
+            bool_input=model.bool_input,
+            bool_true=model.bool_true,
+            bool_false=model.bool_false,
+            num_min_frac_digits=model.num_min_frac_digits,
+            num_max_frac_digits=model.num_max_frac_digits,
+            num_show_as_perc=model.num_show_as_perc,
+            mon_currency_symbol=model.mon_currency_symbol,
+            mon_currency_location=model.mon_currency_location,
+            time_format=model.time_format,
+            date_format=model.date_format,
+            duration_min=model.duration_min,
+            duration_max=model.duration_max,
+            duration_show_units=model.duration_show_units
+        )
+
 
 @rpc_method(name="columns.metadata.list")
 @http_basic_auth_login_required
 @handle_rpc_exceptions
-def list_(*, table_oid: int, database_id: int, **kwargs) -> list[ColumnMetaData]:
+def list_(*, table_oid: int, database_id: int, **kwargs) -> list[ColumnMetaDataRecord]:
     """
     List metadata associated with columns for a table. Exposed as `list`.
 
@@ -125,34 +144,28 @@ def list_(*, table_oid: int, database_id: int, **kwargs) -> list[ColumnMetaData]
     """
     columns_meta_data = get_columns_meta_data(table_oid, database_id)
     return [
-        ColumnMetaData.from_model(model) for model in columns_meta_data
+        ColumnMetaDataRecord.from_model(model) for model in columns_meta_data
     ]
 
 
-@rpc_method(name="columns.metadata.patch")
+@rpc_method(name="columns.metadata.set")
 @http_basic_auth_login_required
 @handle_rpc_exceptions
-def patch(
-        *,
-        column_meta_data_list: list[SettableColumnMetaData],
-        table_oid: int,
-        database_id: int,
-        **kwargs
-) -> list[ColumnMetaData]:
+def set_(
+    *,
+    column_meta_data_list: list[ColumnMetaDataBlob],
+    table_oid: int,
+    database_id: int,
+    **kwargs
+) -> None:
     """
-    Alter metadata settings associated with columns of a table for a database.
+    Set metadata associated with columns of a table for a database. Exposed as `set`.
 
     Args:
         column_meta_data_list: A list describing desired metadata alterations.
         table_oid: Identity of the table whose metadata we'll modify.
         database_id: The Django id of the database containing the table.
-
-    Returns:
-        List of altered metadata objects.
     """
-    columns_meta_data = patch_columns_meta_data(
+    set_columns_meta_data(
         column_meta_data_list, table_oid, database_id
     )
-    return [
-        ColumnMetaData.from_model(model) for model in columns_meta_data
-    ]

mathesar/tests/rpc/columns/test_c_metadata.py

@@ -38,15 +38,15 @@ def mock_get_columns_meta_data(_table_oid, _database_id):
     monkeypatch.setattr(metadata, "get_columns_meta_data", mock_get_columns_meta_data)
 
     expect_metadata_list = [
-        metadata.ColumnMetaData(
+        metadata.ColumnMetaDataRecord(
             database_id=database_id, table_oid=table_oid, attnum=2,
             bool_input="dropdown", bool_true="TRUE", bool_false="FALSE",
             num_min_frac_digits=5, num_max_frac_digits=10, num_show_as_perc=False,
             mon_currency_symbol="EUR", mon_currency_location="end-with-space",
             time_format=None, date_format=None,
             duration_min=None, duration_max=None, duration_show_units=True,
         ),
-        metadata.ColumnMetaData(
+        metadata.ColumnMetaDataRecord(
             database_id=database_id, table_oid=table_oid, attnum=8,
             bool_input="checkbox", bool_true="true", bool_false="false",
             num_min_frac_digits=2, num_max_frac_digits=8, num_show_as_perc=True,
@@ -57,57 +57,3 @@ def mock_get_columns_meta_data(_table_oid, _database_id):
     ]
     actual_metadata_list = metadata.list_(table_oid=table_oid, database_id=database_id)
     assert actual_metadata_list == expect_metadata_list
-
-
-# TODO consider mocking out ColumnMetaData queryset for this test
-def test_columns_meta_data_patch(monkeypatch):
-    database_id = 2
-    table_oid = 123456
-    expect_metadata_list = [
-        metadata.ColumnMetaData(
-            database_id=database_id, table_oid=table_oid, attnum=2,
-            bool_input="dropdown", bool_true="TRUE", bool_false="FALSE",
-            num_min_frac_digits=5, num_max_frac_digits=10, num_show_as_perc=False,
-            mon_currency_symbol="EUR", mon_currency_location="end-with-space",
-            time_format=None, date_format=None,
-            duration_min=None, duration_max=None, duration_show_units=True,
-        ),
-        metadata.ColumnMetaData(
-            database_id=database_id, table_oid=table_oid, attnum=8,
-            bool_input="checkbox", bool_true="true", bool_false="false",
-            num_min_frac_digits=2, num_max_frac_digits=8, num_show_as_perc=True,
-            mon_currency_symbol="$", mon_currency_location="after-minus",
-            time_format=None, date_format=None,
-            duration_min=None, duration_max=None, duration_show_units=True,
-        ),
-    ]
-
-    def mock_patch_columns_meta_data(column_meta_data_list, _table_oid, _database_id):
-        server_model = Server(id=2, host='example.com', port=5432)
-        db_model = Database(id=_database_id, name='mymathesardb', server=server_model)
-        return [
-            ColumnMetaData(
-                database=db_model, table_oid=_table_oid, attnum=2,
-                bool_input="dropdown", bool_true="TRUE", bool_false="FALSE",
-                num_min_frac_digits=5, num_max_frac_digits=10, num_show_as_perc=False,
-                mon_currency_symbol="EUR", mon_currency_location="end-with-space",
-                time_format=None, date_format=None,
-                duration_min=None, duration_max=None, duration_show_units=True,
-            ),
-            ColumnMetaData(
-                database=db_model, table_oid=_table_oid, attnum=8,
-                bool_input="checkbox", bool_true="true", bool_false="false",
-                num_min_frac_digits=2, num_max_frac_digits=8, num_show_as_perc=True,
-                mon_currency_symbol="$", mon_currency_location="after-minus",
-                time_format=None, date_format=None,
-                duration_min=None, duration_max=None, duration_show_units=True,
-            )
-        ]
-
-    monkeypatch.setattr(metadata, "patch_columns_meta_data", mock_patch_columns_meta_data)
-    actual_metadata_list = metadata.patch(
-        column_meta_data_list=expect_metadata_list,
-        table_oid=table_oid,
-        database_id=database_id
-    )
-    assert actual_metadata_list == expect_metadata_list

mathesar/tests/rpc/test_endpoints.py

@@ -64,14 +64,19 @@
         "columns.add",
         [user_is_authenticated]
     ),
+    (
+        columns.list_with_metadata,
+        "columns.list_with_metadata",
+        [user_is_authenticated]
+    ),
     (
         columns.metadata.list_,
         "columns.metadata.list",
         [user_is_authenticated]
     ),
     (
-        columns.metadata.patch,
-        "columns.metadata.patch",
+        columns.metadata.set_,
+        "columns.metadata.set",
         [user_is_authenticated]
     ),
     (

mathesar/utils/columns.py

@@ -7,7 +7,7 @@ def get_columns_meta_data(table_oid, database_id):
     )
 
 
-def patch_columns_meta_data(column_meta_data_list, table_oid, database_id):
+def set_columns_meta_data(column_meta_data_list, table_oid, database_id):
     db_model = Database.objects.get(id=database_id)
     for meta_data_dict in column_meta_data_list:
         # TODO decide if this is worth the trouble of doing in bulk.