app/controllers/admin/participants_controller.rb

   1 # Copyright (C) 2016, 2017 Heiko Bernloehr (FreeIT.de).
   2 #
   3 # This file is part of ECS.
   4 #
   5 # ECS is free software: you can redistribute it and/or modify it
   6 # under the terms of the GNU Affero General Public License as
   7 # published by the Free Software Foundation, either version 3 of
   8 # the License, or (at your option) any later version.
   9 #
  10 # ECS is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Affero General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Affero General Public
  16 # License along with ECS. If not, see <http://www.gnu.org/licenses/>.
  17
  18
  19 class Admin::ParticipantsController < ApplicationController
  20
  21   require 'pp'
  22
  23   include Admin::Helper
  24
  25   # TODO verify http methods
  26
  27   def default
  28     redirect_to admin_participants_path
  29   end
  30
  31   def index
  32     list
  33     render :action => 'list'
  34   end
  35
  36   def list
  37     if params[:sys] == "true"
  38       @participants = Participant.all
  39     else
  40       @participants = Participant.all.where.not(name: "ecs")
  41     end
  42
  43     @list_participants_anonymous_count = @participants.count - @participants.without_anonymous.count
  44     @participants = case params[:anonymous]
  45       when "true"
  46         @list_anonymous=true
  47         @list_participants_count = @participants.count
  48         @participants.distinct
  49       when "false"
  50         @list_anonymous=false
  51         @list_participants_count = @participants.count - @list_participants_anonymous_count
  52         @participants.without_anonymous.distinct
  53       else
  54         @list_anonymous=false
  55         @list_participants_count = @participants.count - @list_participants_anonymous_count
  56         @participants.without_anonymous.distinct
  57     end
  58     @action_buttons = case params[:actionbuttons]
  59                       when "true"
  60                         true
  61                       when "false"
  62                         false
  63                       else
  64                         false
  65                       end
  66   end
  67
  68   def show
  69     @participant = Participant.find(params[:id])
  70   end
  71
  72   def new
  73     @participant = Participant.new
  74     @organizations = Organization.all.order(:id)
  75     if ECS_CONFIG["participants"]["allow_anonymous"]
  76       @communities=Community.all.distinct
  77     else
  78       @communities=Community.all.where.not(name: "public").distinct
  79     end
  80     @participant.identities.build
  81   end
  82
  83   def create
  84     @participant = Participant.new(participant_params)
  85     @participant.ptype = Participant::TYPE[:main]
  86     if @participant.save
  87       flash[:notice] = "Participant \"#{CGI.escapeHTML @participant.name}\" was successfully created."
  88       redirect_to admin_participants_path
  89     else
  90       @organizations = Organization.all.order(:id)
  91       render :action => 'new'
  92     end
  93   end
  94
  95   def edit
  96     @participant = Participant.find(params[:id])
  97     @organizations = Organization.all.order(:id)
  98     if ECS_CONFIG["participants"]["allow_anonymous"]
  99       @communities=Community.all.distinct
 100     else
 101       @communities=Community.all.where.not(name: "public").distinct
 102     end
 103   end
 104
 105   def reset
 106     @participant = Participant.find(params[:id])
 107     @participant.destroy_receiver_messages
 108     @participant.destroy_sender_messages
 109     @participant.destroy_events
 110     flash[:notice] = "Successfully cleared all sent and received messages and events of participant \"#{CGI.escapeHTML @participant.name}\"."
 111     redirect_to_admin_participants_path
 112   end
 113
 114   def update
 115     params[:participant][:community_ids] ||= []
 116     @organizations = Organization.all.order(:id)
 117     @participant = Participant.find(params[:id])
 118     lmsgs= leaved_messages(@participant, params[:participant][:community_ids])
 119     if @participant.update(participant_params)
 120       generate_destroyed_events_by_leaving_a_community(@participant,lmsgs) unless lmsgs.blank?
 121       flash[:notice] = 'Participant was successfully updated.'
 122       redirect_to admin_participant_path(:id => @participant)
 123     else
 124       render :action => 'edit'
 125     end
 126   end
 127
 128   def destroy
 129     p = Participant.find(params[:id])
 130     p.destroy
 131     flash[:notice] = "Participant \"#{CGI.escapeHTML p.name}\" was successfully destroyed."
 132     redirect_to_admin_participants_path
 133   end
 134
 135   def index_communities
 136     @participant = Participant.find(params[:id])
 137     @communities=Participant.find(params[:id]).memberships.collect {|i| i.community  }.uniq.sort{|x,y| x.id <=> y.id }
 138   end
 139
 140   # lists all those communities which the participant has not yet joined
 141   def index_noncommunities
 142     index_communities
 143     @communities=(Community.all - @communities).sort{|x,y| x.id <=> y.id }
 144   end
 145
 146   def destroy_community
 147     destroy_membership(params[:c_id], params[:id])
 148     redirect_to admin_participant_communities_path(params[:id])
 149   end
 150
 151
 152   # join to a community
 153   def create_community
 154     create_membership(params[:c_id], params[:id])
 155     redirect_to admin_participant_communities_path(params[:id])
 156   end
 157
 158 private
 159
 160   def redirect_to_admin_participants_path
 161     queryparams={}
 162     if params[:anonymous]
 163       queryparams[:anonymous]=true
 164     end
 165     if params[:actionbuttons]
 166       queryparams[:actionbuttons]=true
 167     end
 168     redirect_to admin_participants_path(queryparams)
 169   end
 170
 171   # Generate destroyed events for all messages unconnected in respect to the
 172   # leaving communities.
 173   def generate_destroyed_events_by_leaving_a_community(participant, messages )
 174     messages.each do |msg|
 175       Event.make(:event_type_name => EvType.find_by_name("destroyed").name, :participant => participant, :message => msg)
 176       logger.info "destroyed event for message.id=#{msg.id}, participant:#{participant.name} (pid:#{participant.id})"
 177     end
 178   end
 179
 180   def leaved_messages(participant, community_ids)
 181     leaved_community_ids= participant.communities.map{|c| c.id} - community_ids.map{|p| p.to_i}
 182     leaved_messages= []
 183     leaved_community_ids.each do |cid|
 184       leaved_messages << Membership.find_by_participant_id_and_community_id(participant.id, cid).messages
 185       leaved_messages << Community.find(cid).messages
 186     end
 187     leaved_messages.flatten.compact.uniq
 188   end
 189
 190   def participant_params
 191     params.require(:participant).permit(:name, :description, :dns, :email, :organization_id, :community_selfrouting, :events_, community_ids: [],
 192                                         identities_attributes: [:id, :name, :description, :_destroy])
 193     #  Parameter-Example:
 194     #    { "utf8"=>"✓",
 195     #      "authenticity_token"=>"NQtz97vmdpbhtkRAwEaouDia55K+XXnApAN9+flu2sw=",
 196     #      "participant"=>
 197     #        {
 198     #          "name"=>"Universität Stuttgart ILIAS",
 199     #          "description"=>"Zentrale E-Learning Plattform.",
 200     #          "dns"=>"ilias3.uni-stuttgart.de",
 201     #          "email"=>"christian.bogen@tik.uni-stuttgart.de",
 202     #          "organization_id"=>"3",
 203     #          "community_selfrouting"=>"0",
 204     #          "events_"=>"1",
 205     #          "identities_attributes"=>
 206     #            {
 207     #              "0"=>
 208     #                {
 209     #                  "name"=>"27_vorkauf@rus.uni-stuttgart.de",
 210     #                  "description"=>"X.509 credentials",
 211     #                  "_destroy"=>"0",
 212     #                  "id"=>"4"
 213     #                },
 214     #              "1"=>
 215     #                {
 216     #                  "name"=>"A2_vorkauf@rus.uni-stuttgart.de",
 217     #                  "description"=>"X.509 credentials",
 218     #                  "_destroy"=>"0",
 219     #                  "id"=>"21"
 220     #                },
 221     #              "2"=>
 222     #                {
 223     #                  "name"=>"hubba bubba",
 224     #                  "description"=>"Und noch mehr"
 225     #                }
 226     #            },
 227     #            "community_ids"=>["1"]
 228     #        },
 229     #      "commit"=>"Save",
 230     #      "id"=>"12"
 231     #    }
 232   end
 233
 234
 235 end