Add slack example

examples/slack/app/slack_ops.py

@@ -0,0 +1,110 @@
+from typing import Optional
+from typing import List, Dict
+
+from slack_sdk.web import WebClient, SlackResponse
+from slack_bolt import BoltContext
+
+# ----------------------------
+# General operations in a channel
+# ----------------------------
+
+
+def find_parent_message(
+    client: WebClient, channel_id: Optional[str], thread_ts: Optional[str]
+) -> Optional[dict]:
+    if channel_id is None or thread_ts is None:
+        return None
+
+    messages = client.conversations_history(
+        channel=channel_id,
+        latest=thread_ts,
+        limit=1,
+        inclusive=1,
+    ).get("messages", [])
+
+    return messages[0] if len(messages) > 0 else None
+
+
+def is_no_mention_thread(context: BoltContext, parent_message: dict) -> bool:
+    parent_message_text = parent_message.get("text", "")
+    return f"<@{context.bot_user_id}>" in parent_message_text
+
+
+# ----------------------------
+# WIP reply message stuff
+# ----------------------------
+
+
+def post_wip_message(
+    *,
+    client: WebClient,
+    channel: str,
+    thread_ts: str,
+    loading_text: str,
+    messages: List[Dict[str, str]],
+    user: str,
+) -> SlackResponse:
+    system_messages = [msg for msg in messages if msg["role"] == "system"]
+    return client.chat_postMessage(
+        channel=channel,
+        thread_ts=thread_ts,
+        text=loading_text,
+        metadata={
+            "event_type": "chat-gpt-convo",
+            "event_payload": {"messages": system_messages, "user": user},
+        },
+    )
+
+
+def update_wip_message(
+    client: WebClient,
+    channel: str,
+    ts: str,
+    text: str,
+    messages: List[Dict[str, str]],
+    user: str,
+) -> SlackResponse:
+    system_messages = [msg for msg in messages if msg["role"] == "system"]
+    return client.chat_update(
+        channel=channel,
+        ts=ts,
+        text=text,
+        metadata={
+            "event_type": "chat-gpt-convo",
+            "event_payload": {"messages": system_messages, "user": user},
+        },
+    )
+
+
+# ----------------------------
+# Home tab
+# ----------------------------
+
+DEFAULT_HOME_TAB_MESSAGE = (
+    "To enable this app in this Slack workspace, you need to save your OpenAI API key. "
+    "Visit <https://platform.openai.com/account/api-keys|your developer page> to grap your key!"
+)
+
+DEFAULT_HOME_TAB_CONFIGURE_LABEL = "Configure"
+
+
+def build_home_tab(message: str, configure_label: str) -> dict:
+    return {
+        "type": "home",
+        "blocks": [
+            {
+                "type": "section",
+                "text": {
+                    "type": "mrkdwn",
+                    "text": message,
+                },
+                "accessory": {
+                    "action_id": "configure",
+                    "type": "button",
+                    "text": {"type": "plain_text", "text": configure_label},
+                    "style": "primary",
+                    "value": "api_key",
+                },
+            }
+        ],
+    }