add endpoint to get user content

tracim/views/core_api/user_controller.py

     @hapic.with_api_doc(tags=[USER_ENDPOINTS_TAG])
     @require_same_user_or_profile(Group.TIM_ADMIN)
     @hapic.input_path(UserWorkspaceAndContentIdPathSchema())
+    @hapic.output_body(UserContentDigestSchema())  # nopep8
+    def user_content(self, context, request: TracimRequest, hapic_data=None):  # nopep8
+        """
+        set user_read status of content to unread
+        """
+        app_config = request.registry.settings['CFG']
+        api = ContentApi(
+            current_user=request.candidate_user,
+            session=request.dbsession,
+            config=app_config,
+        )
+        return api.get_content_in_context(request.current_content)
+
+    @hapic.with_api_doc(tags=[USER_ENDPOINTS_TAG])
+    @require_same_user_or_profile(Group.TIM_ADMIN)
+    @hapic.input_path(UserWorkspaceAndContentIdPathSchema())
     @hapic.output_body(NoContentSchema(), default_http_code=HTTPStatus.NO_CONTENT)  # nopep8
     def set_content_as_read(self, context, request: TracimRequest, hapic_data=None):  # nopep8
         """
         configurator.add_route('user_workspace', '/users/{user_id}/workspaces', request_method='GET')  # nopep8
         configurator.add_view(self.user_workspace, route_name='user_workspace')
 
+        # user content
+        configurator.add_route('user_content', '/users/{user_id}/workspaces/{workspace_id}/contents/{content_id}', request_method='GET')  # nopep8
+        configurator.add_view(self.user_content, route_name='user_content')
         # last active content for user
         configurator.add_route('last_active_content', '/users/{user_id}/contents/actives', request_method='GET')  # nopep8
         configurator.add_view(self.last_active_content, route_name='last_active_content')  # nopep8
 
         # set workspace as read
         configurator.add_route('read_workspace', '/users/{user_id}/workspaces/{workspace_id}/read', request_method='PUT')  # nopep8
-        configurator.add_view(self.set_workspace_as_read, route_name='read_workspace')  # nopep8
+        configurator.add_view(self.set_workspace_as_read, route_name='read_workspace')  # nopep8