refactor: xblock api upstream info and course details api (#37971)

- Returns top parent key instead of boolean in upstream info api
- Adds edited_on raw time in course outline api
- Adds has_changes to course details api

xmodule/tests/test_util_keys.py

@@ -1,15 +1,15 @@
 """
 Tests for xmodule/util/keys.py
 """
-import ddt
-import pytest
 from unittest import TestCase
 from unittest.mock import Mock
 
-from opaque_keys.edx.locator import BlockUsageLocator
+import ddt
+import pytest
 from opaque_keys.edx.keys import CourseKey
-from xmodule.util.keys import BlockKey, derive_key
+from opaque_keys.edx.locator import BlockUsageLocator
 
+from xmodule.util.keys import BlockKey, derive_key
 
 mock_block = Mock()
 mock_block.id = CourseKey.from_string('course-v1:Beeper+B33P+BOOP')
@@ -70,3 +70,19 @@ class TestBlockKeyParsing(TestCase):
     @ddt.unpack
     def test_block_key_to_string(self, block_key, block_key_str):
         assert str(block_key) == block_key_str
+
+    @ddt.data(
+        [BlockKey('chapter', 'some-id'), BlockUsageLocator(
+            mock_block.id,
+            'chapter',
+            'some-id'
+        )],
+        [BlockKey('section', 'one-more-id'), BlockUsageLocator(
+            mock_block.id,
+            'section',
+            'one-more-id'
+        )]
+    )
+    @ddt.unpack
+    def test_block_key_to_usage_key(self, block_key: BlockKey, block_key_str):
+        assert block_key.to_usage_key(mock_block.id) == block_key_str

xmodule/util/keys.py

@@ -6,7 +6,7 @@ Consider moving these into opaque-keys if they generalize well.
 import hashlib
 from typing import NamedTuple, Self
 
-from opaque_keys.edx.keys import UsageKey
+from opaque_keys.edx.keys import CourseKey, UsageKey
 
 
 class BlockKey(NamedTuple):
@@ -40,6 +40,12 @@ class BlockKey(NamedTuple):
             raise ValueError(f"Invalid string format for BlockKey: {s}")
         return cls(parts[0], parts[1])
 
+    def to_usage_key(self, course_key: CourseKey) -> UsageKey:
+        """
+        Converts this BlockKey into a UsageKey.
+        """
+        return course_key.make_usage_key(self.type, self.id)
+
 
 def derive_key(source: UsageKey, dest_parent: BlockKey) -> BlockKey:
     """