1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
# Copyright (C) 2007, 2008, 2009, 2010 Heiko Bernloehr (FreeIT.de).
#
# This file is part of ECS.
#
# ECS is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# ECS is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with ECS. If not, see <http://www.gnu.org/licenses/>.
class MembershipMessage < ActiveRecord::Base
belongs_to :membership
belongs_to :message
# Populate the memberships_messages jointable if sender joins community with receiver
def self.populate_jointable(record, x_ecs_receiver_memberships, x_ecs_receiver_communities, sender_participant)
rec_mids = extract_x_ecs_receiver_memberships(x_ecs_receiver_memberships)
rec_cids = extract_x_ecs_receiver_communities(x_ecs_receiver_communities)
if rec_cids.blank? and rec_mids.blank?
raise Ecs::MissingReceiverHeaderException,
"You must at least specify one of X-EcsReceiverMemberships or X-EcsReceiverCommunities header\r\n"
end
pop_succ = false
memberships_for_sender_participant_id = Membership.for_participant_id(sender_participant.id)
rec_mids.each do |rmid|
# Test if sender joins same community as receiver
if memberships_for_sender_participant_id.map{|m| m.community.id}.include?(Membership.find(rmid).community.id)
Membership.find(rmid).messages << record unless MembershipMessage.find_by_membership_id_and_message_id(rmid, record.id)
pop_succ = true
end
end
rec_cids.each do |rcid|
# Test if sender joins same community as receiver
if memberships_for_sender_participant_id.map{|m| m.community.id}.include?(rcid)
Community.find(rcid).memberships.each do |membership|
if !MembershipMessage.find_by_membership_id_and_message_id(membership.id, record.id) and # relation already made
(sender_participant.community_selfrouting or # address sender through community
membership.participant.id != sender_participant.id) # address sender through community
membership.messages << record
end
end
pop_succ = true
end
end
unless pop_succ
raise Ecs::AuthorizationException,
"You are not joining at least one of the community to which you are addressing.\r\n" +
"or\r\n" +
"You are not joining at least one of the same community as the receiving membership.\r\n"
end
rescue ActiveRecord::RecordNotFound
raise Ecs::InvalidMessageException,
"Membership id in X-EcsReceiverMemberships header not found."
end
# Depopulate the memberships_messages jointable
def self.de_populate_jointable(record)
record.membership_messages.each do |mm|
mm.destroy
end
end
def self.extract_x_ecs_receiver_communities(erc)
receiver_communities= []
erc.split(',').map {|e| e.strip}.each do |comm_str|
if comm_str =~ /\d{#{comm_str.length}}/
# comm_str has only digits
receiver_communities << comm_str.to_i
else
# comm_str should be a community name
comm= Community.find_by_name(comm_str)
if comm == nil then
raise Ecs::InvalidMessageException, "community id/name in X-EcsReceiverCommunities header not found: #{comm_str}"
end
receiver_communities << comm.id
end
end unless erc.blank?
receiver_communities.uniq!
receiver_communities
end
def self.extract_x_ecs_receiver_memberships(erm)
receiver_memberships= []
erm.split(',').map {|e| e.strip}.each do |memb_str|
if memb_str =~ /\d{#{memb_str.length}}/
# memb_str has only digits
#receiver_memberships.concat Membership.find(memb_str.to_i).community.memberships.map{ |m| m.id }
receiver_memberships << memb_str.to_i if Membership.find(memb_str.to_i)
else
# memb_str is invalid, because it's not an integer value
# raise Exception
end
end unless erm.blank?
receiver_memberships.uniq!
receiver_memberships
end
private
# Deletes all records with relations between a record and the given
# memberships or all record with relation to the given message
# (memberships=nil)
def self.delete_relations(message, memberships=nil)
if memberships
memberships.each do |m|
destroy_all ["membership_id = ? and message_id = ?", m.id, message.id]
end
else
destroy_all ["message_id = ?", message.id]
end
end
end
|
