git.cworth.org Git - turbot/blob - turbot/hunt.py

   1 from turbot.blocks import section_block, text_block, divider_block
   2 from turbot.round import round_blocks
   3 from turbot.puzzle import puzzle_blocks, puzzle_matches_all
   4 from turbot.channel import channel_url
   5 from boto3.dynamodb.conditions import Key
   6
   7 def find_hunt_for_hunt_id(turb, hunt_id):
   8     """Given a hunt ID find the database item for that hunt
   9
  10     Returns None if hunt ID is not found, otherwise a
  11     dictionary with all fields from the hunt's row in the table,
  12     (channel_id, active, hunt_id, name, url, sheet_url, etc.).
  13     """
  14
  15     response = turb.table.get_item(
  16         Key={
  17             'hunt_id': hunt_id,
  18             'SK': 'hunt-{}'.format(hunt_id)
  19         })
  20
  21     if 'Item' in response:
  22         return response['Item']
  23     else:
  24         return None
  25
  26 def hunt_puzzles_for_hunt_id(turb, hunt_id):
  27     """Return all puzzles that belong to the given hunt_id"""
  28
  29     response = turb.table.query(
  30         KeyConditionExpression=(
  31             Key('hunt_id').eq(hunt_id) &
  32             Key('SK').begins_with('puzzle-')
  33         )
  34     )
  35
  36     return response['Items']
  37
  38 def hunt_blocks(turb, hunt, puzzle_status='unsolved', search_terms=[],
  39                 limit_to_rounds=None):
  40     """Generate Slack blocks for a hunt
  41
  42     The hunt argument should be a dictionary as returned from the
  43     database.
  44
  45     Three optional arguments can be used to filter which puzzles to
  46     include in the result:
  47
  48       puzzle_status: If either 'solved' or 'unsolved' only puzzles
  49                      with that status will be included in the
  50                      result. If any other value, all puzzles in the
  51                      hunt will be considered.
  52
  53       search_terms: A list of search terms. Only puzzles that match
  54                     all of these terms will be included in the
  55                     result. A match will be considered on any of
  56                     puzzle title, round title, puzzle URL, puzzle
  57                     state, puzzle type, tags, or solution
  58                     string. Terms can include regular expression
  59                     syntax.
  60
  61       limit_to_rounds: A list of rounds. If provided only the given
  62                        rounds will be included in the output. Note:
  63                        an empty list means to display only puzzles
  64                        assigned to no rounds, while an argument of
  65                        None means to display all puzzles with no
  66                        limit on the rounds.
  67
  68     The return value can be used in a Slack command expecting blocks to
  69     provide all the details of a hunt, (puzzles, their state,
  70     solution, links to channels and sheets, etc.).
  71
  72     """
  73
  74     name = hunt['name']
  75     hunt_id = hunt['hunt_id']
  76     channel_id = hunt['channel_id']
  77
  78     puzzles = hunt_puzzles_for_hunt_id(turb, hunt_id)
  79
  80     # Filter the set of puzzles according the the requested puzzle_status
  81     if puzzle_status in ('solved', 'unsolved'):
  82         puzzles = [p for p in puzzles if p['status'] == puzzle_status]
  83     else:
  84         puzzle_status = 'all'
  85
  86     if search_terms:
  87         puzzles = [puzzle for puzzle in puzzles
  88                    if puzzle_matches_all(puzzle, search_terms)]
  89
  90     # Compute the set of rounds across all puzzles
  91     rounds = set()
  92     for puzzle in puzzles:
  93         if 'rounds' not in puzzle:
  94             continue
  95         for round in puzzle['rounds']:
  96             rounds.add(round)
  97
  98     hunt_text = "*{} puzzles in hunt <{}|{}>*".format(
  99         puzzle_status.capitalize(),
 100         channel_url(channel_id),
 101         name
 102     )
 103     if limit_to_rounds is not None:
 104         hunt_text += " *in round{}: {}*".format(
 105             "s" if len(limit_to_rounds) > 1 else "",
 106             ", ".join(limit_to_rounds) if limit_to_rounds else "<no round>"
 107         )
 108     if search_terms:
 109         quoted_terms = ['`{}`'.format(term) for term in search_terms]
 110         hunt_text += " matching {}".format(" AND ".join(quoted_terms))
 111
 112     blocks = [
 113         section_block(text_block(hunt_text)),
 114     ]
 115
 116     if not len(puzzles):
 117         blocks += [
 118             section_block(text_block("No puzzles found."))
 119         ]
 120
 121     # Construct blocks for each round
 122     for round in rounds:
 123         if limit_to_rounds is not None and round not in limit_to_rounds:
 124             continue
 125         # If we're only displaying one round the round header is redundant
 126         if limit_to_rounds and len(limit_to_rounds) == 1:
 127             blocks += round_blocks(round, puzzles, omit_header=True)
 128         else:
 129             blocks += round_blocks(round, puzzles)
 130         blocks.append(divider_block())
 131
 132     # Also blocks for any puzzles not in any round
 133     stray_puzzles = [puzzle for puzzle in puzzles if 'rounds' not in puzzle]
 134
 135     # For this condition, either limit_to_rounds is None which
 136     # means we definitely want to display these stray puzzles
 137     # (since we are not limiting), _OR_ limit_to_rounds is not
 138     # None but is a zero-length array, meaning we are limiting
 139     # to rounds but specifically the round of unassigned puzzles
 140     if len(stray_puzzles) and not limit_to_rounds:
 141         stray_text = "*Puzzles with no assigned round*"
 142         blocks.append(section_block(text_block(stray_text)))
 143         for puzzle in stray_puzzles:
 144             blocks += puzzle_blocks(puzzle)
 145
 146     blocks.append(divider_block())
 147
 148     return blocks