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annotate phantombrigade/views.py @ 661:15dbe0ccda95

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Prevent exceptions when viewing downloads in the admin when the file doesn't exist on the filesystem. This is usually seen in development but can also happen in production if the file is missing.
author Brian Neal <bgneal@gmail.com>
date Tue, 14 May 2013 21:02:47 -0500
parents 10f3acc18b2d
children 89b240fe9297
rev   line source
bgneal@544 1 """
bgneal@544 2 Views for the phantombrigade application.
bgneal@544 3
bgneal@544 4 The phantombrigade application doesn't have anything to do with SG101. It is
bgneal@544 5 simply some useful web services that we provide to the gaming clan Phantom
bgneal@544 6 Brigade. Rather than create a whole new website we just use the infrastructure
bgneal@544 7 of SG101.
bgneal@544 8
bgneal@544 9 Current we provide a TeamSpeak 3 status view for the PhantomBrigade.us website.
bgneal@544 10
bgneal@544 11 """
bgneal@544 12 from django.conf import settings
bgneal@544 13 from django.core.cache import cache
bgneal@544 14 from django.http import HttpResponse, HttpResponseServerError
bgneal@544 15 from django.utils import simplejson
bgneal@544 16 import ts3
bgneal@544 17
bgneal@544 18
bgneal@544 19 CACHE_KEY = 'phantombrigade-ts3-json'
bgneal@544 20 CACHE_TIMEOUT = 2 * 60
bgneal@544 21
bgneal@544 22
bgneal@544 23 def ts3_query(request):
bgneal@544 24 """
bgneal@544 25 Query the TeamSpeak3 server for status, and output a JSON representation.
bgneal@544 26
bgneal@544 27 The JSON we return is targeted towards the jQuery plugin Dynatree
bgneal@544 28 http://code.google.com/p/dynatree/
bgneal@544 29
bgneal@544 30 """
bgneal@544 31 # Do we have the result cached?
bgneal@544 32 result = cache.get(CACHE_KEY)
bgneal@544 33 if result:
bgneal@544 34 return HttpResponse(result, content_type='application/json')
bgneal@544 35
bgneal@544 36 # Cache miss, go query the remote server
bgneal@544 37
bgneal@544 38 try:
bgneal@544 39 svr = ts3.TS3Server(settings.PB_TS3_IP, settings.PB_TS3_PORT,
bgneal@544 40 settings.PB_TS3_VID)
bgneal@544 41 except ts3.ConnectionError:
bgneal@544 42 return HttpResponseServerError()
bgneal@544 43
bgneal@544 44 response = svr.send_command('serverinfo')
bgneal@648 45 if response.response.get('msg') != 'ok':
bgneal@544 46 return HttpResponseServerError()
bgneal@544 47 svr_info = response.data[0]
bgneal@544 48
bgneal@544 49 response = svr.send_command('channellist')
bgneal@648 50 if response.response.get('msg') != 'ok':
bgneal@544 51 return HttpResponseServerError()
bgneal@544 52 channel_list = response.data
bgneal@544 53
bgneal@544 54 response = svr.send_command('clientlist')
bgneal@648 55 if response.response.get('msg') != 'ok':
bgneal@544 56 return HttpResponseServerError()
bgneal@544 57 client_list = response.data
bgneal@544 58
bgneal@544 59 # Start building the channel / client tree.
bgneal@544 60 # We save tree nodes in a dictionary, keyed by their id so we can find them
bgneal@544 61 # later in order to support arbitrary channel hierarchies.
bgneal@544 62 channels = {}
bgneal@544 63
bgneal@544 64 # Build the root, or channel 0
bgneal@544 65 channels[0] = {
bgneal@544 66 'title': svr_info['virtualserver_name'],
bgneal@544 67 'isFolder': True,
bgneal@544 68 'expand': True,
bgneal@544 69 'children': []
bgneal@544 70 }
bgneal@544 71
bgneal@544 72 # Add the channels to our tree
bgneal@544 73
bgneal@544 74 for channel in channel_list:
bgneal@544 75 node = {
bgneal@544 76 'title': channel['channel_name'],
bgneal@544 77 'isFolder': True,
bgneal@544 78 'expand': True,
bgneal@544 79 'children': []
bgneal@544 80 }
bgneal@544 81 parent = channels[int(channel['pid'])]
bgneal@544 82 parent['children'].append(node)
bgneal@544 83 channels[int(channel['cid'])] = node
bgneal@544 84
bgneal@544 85 # Add the clients to the tree
bgneal@544 86
bgneal@544 87 for client in client_list:
bgneal@544 88 if client['client_type'] == '0':
bgneal@544 89 node = {
bgneal@544 90 'title': client['client_nickname'],
bgneal@544 91 'icon': 'client.png'
bgneal@544 92 }
bgneal@544 93 channel = channels[int(client['cid'])]
bgneal@544 94 channel['children'].append(node)
bgneal@544 95
bgneal@544 96 tree = [channels[0]]
bgneal@544 97 json = simplejson.dumps(tree)
bgneal@544 98
bgneal@544 99 cache.set(CACHE_KEY, json, CACHE_TIMEOUT)
bgneal@544 100
bgneal@544 101 return HttpResponse(json, content_type='application/json')