+ This can handle either a REST API request from Slack, or an HTTP
+ request for teh Turbot web view
+ """
+
+ # First, determine if we've been invoked by Slack, (by presence of
+ # the X-Slack-Signature header)
+ headers = requests.structures.CaseInsensitiveDict(event['headers'])
+
+ if 'X-Slack-Signature' in headers:
+ return turbot_slack_handler(event, context)
+
+ # Otherwise, emit the Turbot web view
+ return turbot_web_view(event, context)
+
+def turbot_web_view(event, context):
+ """Turbot web view
+
+ """
+
+ return {
+ 'statusCode': '200',
+ 'body': 'Hello, Lambda world.',
+ 'headers': {
+ 'Content-Type': 'application/text',
+ },
+ }
+
+def turbot_slack_handler(event, context):
+ """Primary entry point for all Slack-initiated API requests to Turbot
+