Home | History | Annotate | Download | only in model 
      1 # Copyright (C) 2009 Google Inc. All rights reserved.
      2 #
      3 # Redistribution and use in source and binary forms, with or without
      4 # modification, are permitted provided that the following conditions are
      5 # met:
      6 # 
      7 #     * Redistributions of source code must retain the above copyright
      8 # notice, this list of conditions and the following disclaimer.
      9 #     * Redistributions in binary form must reproduce the above
     10 # copyright notice, this list of conditions and the following disclaimer
     11 # in the documentation and/or other materials provided with the
     12 # distribution.
     13 #     * Neither the name of Google Inc. nor the names of its
     14 # contributors may be used to endorse or promote products derived from
     15 # this software without specific prior written permission.
     16 # 
     17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 import re
     30 
     31 from google.appengine.api import memcache
     32 
     33 from model.queues import queues
     34 from model.queuestatus import QueueStatus
     35 
     36 
     37 class Attachment(object):
     38     @classmethod
     39     def dirty(cls, attachment_id):
     40         memcache.delete(str(attachment_id), namespace="attachment-summary")
     41 
     42     @classmethod
     43     def recent(cls, limit=1):
     44         statuses = QueueStatus.all().order("-date")
     45         # Notice that we use both a set and a list here to keep the -date ordering.
     46         ids = []
     47         visited_ids = set()
     48         for status in statuses:
     49             attachment_id = status.active_patch_id
     50             if not attachment_id:
     51                 continue
     52             if attachment_id in visited_ids:
     53                 continue
     54             visited_ids.add(attachment_id)
     55             ids.append(attachment_id)
     56             if len(visited_ids) >= limit:
     57                 break
     58         return map(cls, ids)
     59 
     60     def __init__(self, attachment_id):
     61         self.id = attachment_id
     62         self._summary = None
     63 
     64     def summary(self):
     65         if self._summary:
     66             return self._summary
     67         self._summary = memcache.get(str(self.id), namespace="attachment-summary")
     68         if self._summary:
     69             return self._summary
     70         self._summary = self._fetch_summary()
     71         memcache.set(str(self.id), self._summary, namespace="attachment-summary")
     72         return self._summary
     73 
     74     def _dash_to_underscore(self, dashed_name):
     75         regexp = re.compile("-")
     76         return regexp.sub("_", dashed_name)
     77 
     78     def _state_from_status(self, status):
     79         table = {
     80             "Pass" : "pass",
     81             "Fail" : "fail",
     82         }
     83         state = table.get(status.message)
     84         if state:
     85             return state
     86         if status.message.startswith("Error:"):
     87             return "error"
     88         if status:
     89             return "pending"
     90         return None
     91 
     92     def _fetch_summary(self):
     93         summary = { "attachment_id" : self.id }
     94 
     95         first_status = QueueStatus.all().filter('active_patch_id =', self.id).get()
     96         if not first_status:
     97             # We don't have any record of this attachment.
     98             return summary
     99         summary["bug_id"] = first_status.active_bug_id
    100 
    101         for queue in queues:
    102             summary[queue] = None
    103             status = QueueStatus.all().filter('queue_name =', queue).filter('active_patch_id =', self.id).order('-date').get()
    104             if status:
    105                 summary[self._dash_to_underscore(queue)] = {
    106                     "state" : self._state_from_status(status),
    107                     "status" : status,
    108                 }
    109         return summary
    110