Fix for datetime format.

Author: rhysrevans3

stac_fastapi/core/stac_fastapi/core/core.py

@@ -707,7 +707,7 @@ async def update_item(
         """
         item = item.model_dump(mode="json")
         base_url = str(kwargs["request"].base_url)
-        now = datetime_type.now(timezone.utc).isoformat().replace("+00:00", "Z")
+        now = datetime_type.now(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
         item["properties"]["updated"] = now
 
         await self.database.check_collection_exists(collection_id)

stac_fastapi/tests/api/test_api.py

@@ -254,8 +254,8 @@ async def test_app_sort_extension_get_asc(app_client, txn_client, ctx):
     another_item_date = datetime.strptime(
         first_item["properties"]["datetime"], "%Y-%m-%dT%H:%M:%SZ"
     ) - timedelta(days=1)
-    second_item["properties"]["datetime"] = another_item_date.isoformat().replace(
-        "+00:00", "Z"
+    second_item["properties"]["datetime"] = another_item_date.strftime(
+        "%Y-%m-%dT%H:%M:%SZ"
     )
 
     await create_item(txn_client, second_item)
@@ -276,9 +276,10 @@ async def test_app_sort_extension_get_desc(app_client, txn_client, ctx):
     another_item_date = datetime.strptime(
         first_item["properties"]["datetime"], "%Y-%m-%dT%H:%M:%SZ"
     ) - timedelta(days=1)
-    second_item["properties"]["datetime"] = another_item_date.isoformat().replace(
-        "+00:00", "Z"
+    second_item["properties"]["datetime"] = another_item_date.strftime(
+        "%Y-%m-%dT%H:%M:%SZ"
     )
+
     await create_item(txn_client, second_item)
 
     resp = await app_client.get("/search?sortby=-properties.datetime")
@@ -297,9 +298,10 @@ async def test_app_sort_extension_post_asc(app_client, txn_client, ctx):
     another_item_date = datetime.strptime(
         first_item["properties"]["datetime"], "%Y-%m-%dT%H:%M:%SZ"
     ) - timedelta(days=1)
-    second_item["properties"]["datetime"] = another_item_date.isoformat().replace(
-        "+00:00", "Z"
+    second_item["properties"]["datetime"] = another_item_date.strftime(
+        "%Y-%m-%dT%H:%M:%SZ"
     )
+
     await create_item(txn_client, second_item)
 
     params = {
@@ -322,8 +324,8 @@ async def test_app_sort_extension_post_desc(app_client, txn_client, ctx):
     another_item_date = datetime.strptime(
         first_item["properties"]["datetime"], "%Y-%m-%dT%H:%M:%SZ"
     ) - timedelta(days=1)
-    second_item["properties"]["datetime"] = another_item_date.isoformat().replace(
-        "+00:00", "Z"
+    second_item["properties"]["datetime"] = another_item_date.strftime(
+        "%Y-%m-%dT%H:%M:%SZ"
     )
     await create_item(txn_client, second_item)