94 lines
2.7 KiB
Ruby
94 lines
2.7 KiB
Ruby
# Copyright (c) 2010-2011, Diaspora Inc. This file is
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# licensed under the Affero General Public License version 3 or later. See
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# the COPYRIGHT file.
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class Contact < ActiveRecord::Base
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belongs_to :user
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validates_presence_of :user
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belongs_to :person
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validates :person, :presence => true
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has_many :aspect_memberships
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has_many :aspects, :through => :aspect_memberships
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has_many :post_visibilities
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has_many :posts, :through => :post_visibilities
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validate :not_contact_for_self
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validates_uniqueness_of :person_id, :scope => :user_id
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before_destroy :destroy_notifications
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# contact.sharing is true when contact.person is sharing with contact.user
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scope :sharing, lambda {
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where(:sharing => true)
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}
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# contact.receiving is true when contact.user is sharing with contact.person
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scope :receiving, lambda {
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where(:receiving => true)
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}
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scope :only_sharing, lambda {
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sharing.where(:receiving => false)
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}
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def destroy_notifications
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Notification.where(:target_type => "Person",
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:target_id => person_id,
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:recipient_id => user_id,
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:type => "Notifications::StartedSharing").delete_all
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end
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def dispatch_request
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request = self.generate_request
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Postzord::Dispatcher.new(self.user, request).post
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request
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end
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def generate_request
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Request.diaspora_initialize(:from => self.user.person,
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:to => self.person,
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:into => aspects.first)
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end
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def receive_post(post)
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PostVisibility.create!(:post_id => post.id, :contact_id => self.id)
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post.socket_to_user(self.user, :aspect_ids => self.aspect_ids) if post.respond_to? :socket_to_user
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end
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def contacts
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people = Person.arel_table
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incoming_aspects = Aspect.joins(:contacts).where(
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:user_id => self.person.owner_id,
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:contacts_visible => true,
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:contacts => {:person_id => self.user.person.id}).select('aspects.id')
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incoming_aspect_ids = incoming_aspects.map{|a| a.id}
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similar_contacts = Person.joins(:contacts => :aspect_memberships).where(
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:aspect_memberships => {:aspect_id => incoming_aspect_ids}).where(people[:id].not_eq(self.user.person.id)).select('DISTINCT people.*')
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end
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def mutual?
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self.sharing && self.receiving
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end
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def in_aspect? aspect
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if aspect_memberships.loaded?
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aspect_memberships.detect{ |am| am.aspect_id == aspect.id }
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elsif aspects.loaded?
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aspects.detect{ |a| a.id == aspect.id }
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else
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AspectMembership.exists?(:contact_id => self.id, :aspect_id => aspect.id)
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end
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end
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private
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def not_contact_for_self
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if person_id && person.owner == user
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errors[:base] << 'Cannot create self-contact'
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end
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end
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end
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