]> git.cworth.org Git - turbot/blob - turbot/interaction.py
Drop the hunt_channel_id from the metadata passed in the puzzle modal
[turbot] / turbot / interaction.py
1 from slack.errors import SlackApiError
2 from turbot.blocks import input_block, section_block, text_block
3 import turbot.rot
4 import turbot.sheets
5 import turbot.slack
6 import json
7 import re
8 import requests
9 from botocore.exceptions import ClientError
10
11 actions = {}
12 commands = {}
13 submission_handlers = {}
14
15 # Hunt and Puzzle IDs are restricted to letters, numbers, and underscores
16 valid_id_re = r'^[_a-zA-Z0-9]+$'
17
18 def bot_reply(message):
19     """Construct a return value suitable for a bot reply
20
21     This is suitable as a way to give an error back to the user who
22     initiated a slash command, for example."""
23
24     return {
25         'statusCode': 200,
26         'body': message
27     }
28
29 def submission_error(field, error):
30     """Construct an error suitable for returning for an invalid submission.
31
32     Returning this value will prevent a submission and alert the user that
33     the given field is invalid because of the given error."""
34
35     print("Rejecting invalid modal submission: {}".format(error))
36
37     return {
38         'statusCode': 200,
39         'headers': {
40             "Content-Type": "application/json"
41         },
42         'body': json.dumps({
43             "response_action": "errors",
44             "errors": {
45                 field: error
46             }
47         })
48     }
49
50 def new_hunt(turb, payload):
51     """Handler for the action of user pressing the new_hunt button"""
52
53     view = {
54         "type": "modal",
55         "private_metadata": json.dumps({}),
56         "title": { "type": "plain_text", "text": "New Hunt" },
57         "submit": { "type": "plain_text", "text": "Create" },
58         "blocks": [
59             input_block("Hunt name", "name", "Name of the hunt"),
60             input_block("Hunt ID", "hunt_id",
61                         "Used as puzzle channel prefix "
62                         + "(no spaces nor punctuation)"),
63             input_block("Hunt URL", "url", "External URL of hunt",
64                         optional=True)
65         ],
66     }
67
68     result = turb.slack_client.views_open(trigger_id=payload['trigger_id'],
69                                           view=view)
70     if (result['ok']):
71         submission_handlers[result['view']['id']] = new_hunt_submission
72
73     return {
74         'statusCode': 200,
75         'body': 'OK'
76     }
77
78 actions['button'] = {"new_hunt": new_hunt}
79
80 def new_hunt_submission(turb, payload, metadata):
81     """Handler for the user submitting the new hunt modal
82
83     This is the modal view presented to the user by the new_hunt
84     function above."""
85
86     state = payload['view']['state']['values']
87     user_id = payload['user']['id']
88     name = state['name']['name']['value']
89     hunt_id = state['hunt_id']['hunt_id']['value']
90     url = state['url']['url']['value']
91
92     # Validate that the hunt_id contains no invalid characters
93     if not re.match(valid_id_re, hunt_id):
94         return submission_error("hunt_id",
95                                 "Hunt ID can only contain letters, "
96                                 + "numbers, and underscores")
97
98     # Check to see if the hunts table exists
99     hunts_table = turb.db.Table("hunts")
100
101     try:
102         exists = hunts_table.table_status in ("CREATING", "UPDATING",
103                                               "ACTIVE")
104     except ClientError:
105         exists = False
106
107     # Create the hunts table if necessary.
108     if not exists:
109         hunts_table = turb.db.create_table(
110             TableName='hunts',
111             KeySchema=[
112                 {'AttributeName': 'channel_id', 'KeyType': 'HASH'},
113             ],
114             AttributeDefinitions=[
115                 {'AttributeName': 'channel_id', 'AttributeType': 'S'},
116             ],
117             ProvisionedThroughput={
118                 'ReadCapacityUnits': 5,
119                 'WriteCapacityUnits': 5
120             }
121         )
122         return submission_error("hunt_id",
123                                 "Still bootstrapping hunts table. Try again.")
124
125     # Create a channel for the hunt
126     try:
127         response = turb.slack_client.conversations_create(name=hunt_id)
128     except SlackApiError as e:
129         return submission_error("hunt_id",
130                                 "Error creating Slack channel: {}"
131                                 .format(e.response['error']))
132
133     channel_id = response['channel']['id']
134
135     # Insert the newly-created hunt into the database
136     # (leaving it as non-active for now until the channel-created handler
137     #  finishes fixing it up with a sheet and a companion table)
138     hunts_table.put_item(
139         Item={
140             'channel_id': channel_id,
141             "active": False,
142             "name": name,
143             "hunt_id": hunt_id,
144             "url": url
145         }
146     )
147
148     # Invite the initiating user to the channel
149     turb.slack_client.conversations_invite(channel=channel_id, users=user_id)
150
151     return {
152         'statusCode': 200,
153     }
154
155 def view_submission(turb, payload):
156     """Handler for Slack interactive view submission
157
158     Specifically, those that have a payload type of 'view_submission'"""
159
160     view_id = payload['view']['id']
161     metadata = payload['view']['private_metadata']
162
163     if view_id in submission_handlers:
164         return submission_handlers[view_id](turb, payload, metadata)
165
166     print("Error: Unknown view ID: {}".format(view_id))
167     return {
168         'statusCode': 400
169     }
170
171 def rot(turb, body, args):
172     """Implementation of the /rot command
173
174     The args string should be as follows:
175
176         [count|*] String to be rotated
177
178     That is, the first word of the string is an optional number (or
179     the character '*'). If this is a number it indicates an amount to
180     rotate each character in the string. If the count is '*' or is not
181     present, then the string will be rotated through all possible 25
182     values.
183
184     The result of the rotation is returned (with Slack formatting) in
185     the body of the response so that Slack will provide it as a reply
186     to the user who submitted the slash command."""
187
188     channel_name = body['channel_name'][0]
189     response_url = body['response_url'][0]
190     channel_id = body['channel_id'][0]
191
192     result = turbot.rot.rot(args)
193
194     if (channel_name == "directmessage"):
195         requests.post(response_url,
196                       json = {"text": result},
197                       headers = {"Content-type": "application/json"})
198     else:
199         turb.slack_client.chat_postMessage(channel=channel_id, text=result)
200
201     return {
202         'statusCode': 200,
203         'body': ""
204     }
205
206 commands["/rot"] = rot
207
208 def puzzle(turb, body, args):
209     """Implementation of the /puzzle command
210
211     The args string is currently ignored (this command will bring up
212     a modal dialog for user input instead)."""
213
214     channel_id = body['channel_id'][0]
215     trigger_id = body['trigger_id'][0]
216
217     hunts_table = turb.db.Table("hunts")
218     response = hunts_table.get_item(Key={'channel_id': channel_id})
219
220     if 'Item' in response:
221         hunt_name = response['Item']['name']
222         hunt_id = response['Item']['hunt_id']
223     else:
224         return bot_reply("Sorry, this channel doesn't appear to "
225                          + "be a hunt channel")
226
227     view = {
228         "type": "modal",
229         "private_metadata": json.dumps({
230             "hunt_id": hunt_id,
231         }),
232         "title": {"type": "plain_text", "text": "New Puzzle"},
233         "submit": { "type": "plain_text", "text": "Create" },
234         "blocks": [
235             section_block(text_block("*For {}*".format(hunt_name))),
236             input_block("Puzzle name", "name", "Name of the puzzle"),
237             input_block("Puzzle ID", "puzzle_id",
238                         "Used as part of channel name "
239                         + "(no spaces nor punctuation)"),
240             input_block("Puzzle URL", "url", "External URL of puzzle",
241                         optional=True)
242         ]
243     }
244
245     result = turb.slack_client.views_open(trigger_id=trigger_id,
246                                           view=view)
247
248     if (result['ok']):
249         submission_handlers[result['view']['id']] = puzzle_submission
250
251     return {
252         'statusCode': 200
253     }
254
255 commands["/puzzle"] = puzzle
256
257 def puzzle_submission(turb, payload, metadata):
258     """Handler for the user submitting the new puzzle modal
259
260     This is the modal view presented to the user by the puzzle function
261     above."""
262
263     meta = json.loads(metadata)
264     hunt_id = meta['hunt_id']
265
266     state = payload['view']['state']['values']
267     name = state['name']['name']['value']
268     puzzle_id = state['puzzle_id']['puzzle_id']['value']
269     url = state['url']['url']['value']
270
271     # Validate that the puzzle_id contains no invalid characters
272     if not re.match(valid_id_re, puzzle_id):
273         return submission_error("puzzle_id",
274                                 "Puzzle ID can only contain letters, "
275                                 + "numbers, and underscores")
276
277     # Create a channel for the puzzle
278     hunt_dash_channel = "{}-{}".format(hunt_id, puzzle_id)
279
280     try:
281         response = turb.slack_client.conversations_create(
282             name=hunt_dash_channel)
283     except SlackApiError as e:
284         return submission_error("puzzle_id",
285                                 "Error creating Slack channel: {}"
286                                 .format(e.response['error']))
287
288     puzzle_channel_id = response['channel']['id']
289
290     # Insert the newly-created puzzle into the database
291     table = turb.db.Table(hunt_id)
292     table.put_item(
293         Item={
294             "channel_id": puzzle_channel_id,
295             "solution": [],
296             "status": 'unsolved',
297             "name": name,
298             "puzzle_id": puzzle_id,
299             "url": url,
300         }
301     )
302
303     return {
304         'statusCode': 200
305     }