Add slack example

examples/slack/main.py

@@ -0,0 +1,69 @@
+import logging
+import os
+
+from slack_bolt import App, BoltContext
+from slack_sdk.web import WebClient
+from slack_sdk.http_retry.builtin_handlers import RateLimitErrorRetryHandler
+
+from app.bolt_listeners import before_authorize, register_listeners
+from app.env import *
+from app.slack_ops import (
+    build_home_tab,
+    DEFAULT_HOME_TAB_MESSAGE,
+    DEFAULT_HOME_TAB_CONFIGURE_LABEL,
+)
+from app.i18n import translate
+
+if __name__ == "__main__":
+    from slack_bolt.adapter.socket_mode import SocketModeHandler
+
+    logging.basicConfig(level=SLACK_APP_LOG_LEVEL)
+
+    app = App(
+        token=os.environ["SLACK_BOT_TOKEN"],
+        before_authorize=before_authorize,
+        process_before_response=True,
+    )
+    app.client.retry_handlers.append(RateLimitErrorRetryHandler(max_retry_count=2))
+
+    register_listeners(app)
+
+    @app.event("app_home_opened")
+    def render_home_tab(client: WebClient, context: BoltContext):
+        already_set_api_key = os.environ["OPENAI_API_KEY"]
+        text = translate(
+            openai_api_key=already_set_api_key,
+            context=context,
+            text=DEFAULT_HOME_TAB_MESSAGE,
+        )
+        configure_label = translate(
+            openai_api_key=already_set_api_key,
+            context=context,
+            text=DEFAULT_HOME_TAB_CONFIGURE_LABEL,
+        )
+        client.views_publish(
+            user_id=context.user_id,
+            view=build_home_tab(text, configure_label),
+        )
+
+    if USE_SLACK_LANGUAGE is True:
+
+        @app.middleware
+        def set_locale(
+            context: BoltContext,
+            client: WebClient,
+            next_,
+        ):
+            user_id = context.actor_user_id or context.user_id
+            user_info = client.users_info(user=user_id, include_locale=True)
+            context["locale"] = user_info.get("user", {}).get("locale")
+            next_()
+
+    @app.middleware
+    def set_openai_api_key(context: BoltContext, next_):
+        context["OPENAI_API_KEY"] = os.environ["OPENAI_API_KEY"]
+        context["OPENAI_MODEL"] = OPENAI_MODEL
+        next_()
+
+    handler = SocketModeHandler(app, os.environ["SLACK_APP_TOKEN"])
+    handler.start()