annotate discusssions/model.py @ 2:910fa7e781b9

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author k0s <k0scist@gmail.com>
date Tue, 02 Feb 2010 16:39:08 -0500
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1 import datetime
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2 from discussions.utils import is_reply
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3
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4 class MessageContainer(object):
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5 """
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6 something that can contain messages
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7 JSON representation:
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8 {
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9 'name': 'name of discussion',
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10 'subject': 'what its about',
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11 'subscribers': [ list of subsribers ],
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12 'unsubscribers': [ list of unsubscribers ],
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13 'moderated': False,
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14 'options': { dict of options }, 'attachments': True # archive attachments?
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15 'discussions': [ ordered list of discussions ids (either conferences or discussions)
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16 'date': creation date (format?),
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17
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18 }
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19 """
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20
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21 options = { 'archive': True,
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22 'web': True,
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23 'moderated': True,
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24 'type': 'public',
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25 'post': 'web', 'email',
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26 'digest': (),
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27 }
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28
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29 def __init__(self, parent, name, subject, subscribers=(), locked=None):
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30 self.parent = parent
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31
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32 ### traverse to message
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33 next = parent
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34 self.path = [ name ]
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35 while next:
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36 self.path[:0] = next
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37 next = next.parent
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38
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39 ### set options
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40 if locked is not None:
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41 # lock the options
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42
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43 ### set subscribers
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44
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45 ### methods for messages
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46
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47 def message(self, id):
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48 """
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49 retrieves a submessage given the id
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50 """
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51
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52 def role(self, member, message):
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53
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54
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55 def messages(self): # future arguments == search criteria
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56 """returns a list of top-level messages"""
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57
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58 def add_message(self, message):
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59 """
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60 add a message to the container
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61 message: an email message
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62 """
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63 for m in self.messages():
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64 replied_to = m.reply_to(message):
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65 if replied_to:
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66 replied_to._add_message(message)
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67 # TODO: trigger
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68 self._add_message(message)
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69
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70 def search(self, **query):
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71 """
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72 e.g. from='k0scist@example.com'
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73 """
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74
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75 ### methods for members
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76
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77 def members(self):
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78 """
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79 members of this discussion
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80 """
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81 return self.parent.members()
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82
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83 def subscribers(self, unsubscribers=()):
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84 """
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85 return people watching these messages
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86 walks up the chain
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87 """
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88 _subscribers = self['subscribers']
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89
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90
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91
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92 def subscribe(self, subscriber):
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93 """subscribe someone to the messages in the container"""
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94
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95 def unsubscribe(self, subscriber):
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96 """removes a member from this discussion"""
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97
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98 ### database functions
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99
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100 def _add_message(self, message):
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101 """add a message to the database"""
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102 date = message.date()
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103 if not date:
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104 date = datetime.datetime.now()
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105
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106 class Forum(MessageContainer):
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107 """
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108 a mailing list and a forum
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109 JSON same as above, but also with
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110 { 'address': 'thisforum@example.org',
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111 'import': True # whether importing from an e.g. mbox is allowed or not
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112 }
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113 """
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114 def __init__(self, parent, name, subject, subscribers=(), options=None):
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115 MessageContainer(self, member, parent, name, subject, subscribers, options)
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116
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117 # if name is None, it is the metacontainer
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118 self.conferences = []
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119
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120
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121 def reply_to(self, reply):
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122 if not is_reply(self.address, reply):
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123 return None
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124 for _message in messages:
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125
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126
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127 def add_conference(self, options):
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128 """add a sub-forum to this forum"""
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129
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130 def members(self):
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131 """return members of this mailing list"""
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132
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133 class Discussion(MessageContainer):
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134 """
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135 a mailing list thread
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136 JSON representation: as for message, but also with
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137 { 'headers': { dictionary of headers }
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138 }
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139 """
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140
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141 def reply_to(self, message):
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142 """TODO"""
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143
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144 def site(name):
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145 """
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146 return the top-level site for the database 'name'
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147 """
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148
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149