155 lines
4.5 KiB
Ruby
155 lines
4.5 KiB
Ruby
class Synapse < ActiveRecord::Base
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belongs_to :user
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belongs_to :topic1, :class_name => "Topic", :foreign_key => "node1_id"
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belongs_to :topic2, :class_name => "Topic", :foreign_key => "node2_id"
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has_many :mappings
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has_many :maps, :through => :mappings
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def user_name
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self.user.name
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end
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def user_image
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self.user.image.url
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end
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def as_json(options={})
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super(:methods =>[:user_name, :user_image])
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end
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# sends push updates through redis to websockets for realtime updates
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def message action, origin_user_id
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return if self.permission == "private" and action == "create"
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#get array of all maps topic appears in
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@maps = self.maps
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#sends update to all maps that topic appears in who have realtime on
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@maps.each do |map|
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msg = { origin: origin_user_id,
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mapid: map.id,
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resource: 'Synapse',
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action: action,
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id: self.id,
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obj: self.self_as_json.html_safe }
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$redis.publish 'maps', msg.to_json
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end
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end
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##### JSON ######
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def self_as_json
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Jbuilder.encode do |json|
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@synapsedata = Hash.new
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@synapsedata['$desc'] = self.desc
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@synapsedata['$showDesc'] = false
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@synapsedata['$category'] = self.category
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@synapsedata['$id'] = self.id
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@synapsedata['$userid'] = self.user.id
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@synapsedata['$username'] = self.user.name
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@synapsedata['$direction'] = [self.node1_id.to_s(), self.node2_id.to_s()]
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@synapsedata['$permission'] = self.permission
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json.data @synapsedata
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end
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end
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def selfplusnodes_as_json
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Jbuilder.encode do |json|
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@topics = Array.new
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@topics.push(self.topic1)
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@topics.push(self.topic2)
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json.array!(@topics) do |topic|
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json.adjacencies topic.synapses1.delete_if{|synapse| not @topics.include?(Topic.find_by_id(synapse.node2_id))} do |json, synapse|
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json.nodeTo synapse.node2_id
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json.nodeFrom synapse.node1_id
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@synapsedata = Hash.new
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@synapsedata['$desc'] = synapse.desc
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@synapsedata['$showDesc'] = false
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@synapsedata['$category'] = synapse.category
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@synapsedata['$id'] = synapse.id
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@synapsedata['$userid'] = synapse.user.id
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@synapsedata['$username'] = synapse.user.name
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@synapsedata['$direction'] = [synapse.node1_id.to_s(), synapse.node2_id.to_s()]
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@synapsedata['$permission'] = synapse.permission
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json.data @synapsedata
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end
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@inmaps = Array.new
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topic.maps.each do |map|
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@inmaps.push(map.id)
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end
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@topicdata = Hash.new
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@topicdata['$desc'] = topic.desc
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@topicdata['$link'] = topic.link
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@topicdata['$metacode'] = topic.metacode.name
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@topicdata['$inmaps'] = @inmaps
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@topicdata['$userid'] = topic.user.id
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@topicdata['$username'] = topic.user.name
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@topicdata['$permission'] = topic.permission
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json.data @topicdata
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json.id topic.id
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json.name topic.name
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end
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end
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end
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##### PERMISSIONS ######
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scope :visibleToUser, lambda { |current, user|
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if user != nil
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if user != current
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Synapse.find_all_by_user_id_and_permission(user.id, "commons") | Synapse.find_all_by_user_id_and_permission(user.id, "public")
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elsif user == current
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Synapse.find_all_by_user_id_and_permission(user.id, "commons") | Synapse.find_all_by_user_id_and_permission(user.id, "public") | current.synapses.where(:permission => "private")
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end
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elsif (current != nil && user == nil)
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Synapse.find_all_by_permission("commons") | Synapse.find_all_by_permission("public") | current.synapses.where(:permission => "private")
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elsif (current == nil)
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Synapse.find_all_by_permission("commons") | Synapse.find_all_by_permission("public")
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end
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}
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# returns false if user not allowed to 'show' Topic, Synapse, or Map
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def authorize_to_show(user)
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if (self.permission == "private" && self.user != user)
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return false
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end
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return self
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end
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# returns false if user not allowed to 'edit' Topic, Synapse, or Map
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def authorize_to_edit(user)
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if (self.permission == "private" && self.user != user)
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return false
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elsif (self.permission == "public" && self.user != user)
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return false
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end
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return self
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end
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# returns Boolean if user allowed to view Topic, Synapse, or Map
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def authorize_to_view(user)
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if (self.permission == "private" && self.user != user)
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return false
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end
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return true
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end
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# returns Boolean based on whether user has permissions to edit or not
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def authorize_linkto_edit(user)
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if (self.user == user)
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return true
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elsif (self.permission == "commons")
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return true
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end
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return false
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end
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end
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