154 lines
4.7 KiB
Ruby
154 lines
4.7 KiB
Ruby
class Map < ActiveRecord::Base
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belongs_to :user
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has_many :topicmappings, :class_name => 'Mapping', :conditions => {:category => 'Topic'}
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has_many :synapsemappings, :class_name => 'Mapping', :conditions => {:category => 'Synapse'}
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has_many :topics, :through => :topicmappings
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has_many :synapses, :through => :synapsemappings
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def mappings
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topicmappings + synapsemappings
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end
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def mk_permission
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if self.permission == "commons"
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"co"
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elsif self.permission == "public"
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"pu"
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elsif self.permission == "private"
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"pr"
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end
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end
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#return an array of the contributors to the map
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def contributors
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contributors = []
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self.mappings.each do |m|
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contributors.push(m.user) if !contributors.include?(m.user)
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end
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return contributors
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end
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#return the date of the last edit (mapping updated) to the map
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def last_edited
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date = self.created_at
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self.mappings.each do |m|
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if m.updated_at > date
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date = m.updated_at
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end
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end
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return date
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end
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###### JSON ######
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#build a json object of a map
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def self_as_json(current)
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Jbuilder.encode do |json|
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@topics = self.topics
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@synapses = self.synapses
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json.array!(@topics.delete_if{|topic| not topic.authorize_to_view(current)}) do |topic|
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#json.adjacencies topic.synapses2.delete_if{|synapse| (not @topics.include?(synapse.topic1)) || (not @synapses.include?(synapse)) || (not synapse.authorize_to_view(current)) || (not synapse.topic1.authorize_to_view(current)) } do |json, synapse|
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json.adjacencies topic.synapses1.delete_if{|synapse| (not @synapses.include?(synapse)) || (not @topics.include?(synapse.topic2)) || (not synapse.authorize_to_view(current)) || (not synapse.topic2.authorize_to_view(current)) } 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['$synapseCount'] = topic.synapses.count
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@topicdata['$userid'] = topic.user.id
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@topicdata['$username'] = topic.user.name
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@mapping = Mapping.find_by_topic_id_and_map_id(topic.id,self.id)
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@topicdata['$xloc'] = @mapping.xloc
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@topicdata['$yloc'] = @mapping.yloc
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@topicdata['$mappingid'] = @mapping.id
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@topicdata['$permission'] = topic.permission
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@topicdata['$date'] = topic.created_at.strftime("%m/%d/%Y")
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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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Map.find_all_by_user_id_and_permission(user.id, "commons") | Map.find_all_by_user_id_and_permission(user.id, "public")
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elsif user == current
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Map.find_all_by_user_id_and_permission(user.id, "commons") | Map.find_all_by_user_id_and_permission(user.id, "public") | current.maps.where(:permission => "private")
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end
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elsif (current != nil && user == nil)
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Map.find_all_by_permission("commons") | Map.find_all_by_permission("public") | current.maps.where(:permission => "private")
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elsif (current == nil)
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Map.find_all_by_permission("commons") | Map.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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