Support files in Slack Connect channels

Files uploaded in Slack Connect channels doesn't contain any
information, so we have to make a request to files.info in order to get
the information to render it.

See https://api.slack.com/apis/channels-between-orgs#check_file_info for
more info.

1 files changed, 9 insertions, 0 deletions

diff --git a/slack/slack_api.py b/slack/slack_api.py
index c54268f..1faf4a2 100644
--- a/slack/slack_api.py
+++ b/slack/slack_api.py
@@ -29,6 +29,7 @@ if TYPE_CHECKING:
     from slack_api.slack_conversations_members import SlackConversationsMembersResponse
     from slack_api.slack_conversations_replies import SlackConversationsRepliesResponse
     from slack_api.slack_emoji import SlackEmojiListResponse
+    from slack_api.slack_files_info import SlackFilesInfoResponse
     from slack_api.slack_profile import SlackSetProfile, SlackUsersProfileSetResponse
     from slack_api.slack_rtm_connect import SlackRtmConnectResponse
     from slack_api.slack_team_info import SlackTeamInfoResponse
@@ -321,6 +322,14 @@ class SlackApi(SlackApiCommon):
             raise SlackApiError(self.workspace, method, response)
         return response
 
+    async def fetch_files_info(self, file_id: str):
+        method = "files.info"
+        params: Params = {"file": file_id}
+        response: SlackFilesInfoResponse = await self._fetch(method, params)
+        if response["ok"] is False:
+            raise SlackApiError(self.workspace, method, response)
+        return response
+
     async def fetch_emoji_list(self):
         method = "emoji.list"
         response: SlackEmojiListResponse = await self._fetch(method)