Wiki page sidebar: add GitLab history/blame links

tildes/tildes/models/group/group_wiki_page.py

@@ -31,6 +31,7 @@ class GroupWikiPage(DatabaseModel):
     __tablename__ = "group_wiki_pages"
 
     BASE_PATH = "/var/lib/tildes-wiki"
+    GITLAB_REPO_URL = "https://gitlab.com/tildes/tildes-wiki"
 
     group_id: int = Column(
         Integer, ForeignKey("groups.group_id"), nullable=False, primary_key=True
@@ -89,7 +90,22 @@ class GroupWikiPage(DatabaseModel):
     @property
     def file_path(self) -> Path:
         """Return the full path to the page's file."""
-        return Path(self.BASE_PATH, str(self.group.path), f"{self.slug}.md")
+        return Path(self.BASE_PATH, self.relative_path)
+
+    @property
+    def relative_path(self) -> Path:
+        """Return a relative path to the page's file."""
+        return Path(str(self.group.path), f"{self.slug}.md")
+
+    @property
+    def history_url(self) -> str:
+        """Return a url to the page's edit history."""
+        return f"{self.GITLAB_REPO_URL}/commits/master/{self.relative_path}"
+
+    @property
+    def blame_url(self) -> str:
+        """Return a url to the page's blame view."""
+        return f"{self.GITLAB_REPO_URL}/blame/master/{self.relative_path}"
 
     @property
     def markdown(self) -> Optional[str]:

tildes/tildes/templates/group_wiki_page.jinja2

@@ -29,6 +29,10 @@
 <dl>
   <dt>Last edited</dt>
   <dd>{{ adaptive_date_responsive(page.last_edited_time) }}</dd>
+
+  <dt>Edit history (on GitLab)</dt>
+  <dd><a href="{{ page.history_url }}" target="_blank">Full edit history</a></dd>
+  <dd><a href="{{ page.blame_url }}" target="_blank">Line-by-line ("blame") view</a></dd>
 </dl>
 
 {% if request.has_permission("edit", page) %}