150 lines
3.6 KiB
Ruby
150 lines
3.6 KiB
Ruby
class Topic < ActiveRecord::Base
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include TopicsHelper
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belongs_to :user
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has_many :synapses1, :class_name => 'Synapse', :foreign_key => 'node1_id', dependent: :destroy
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has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id', dependent: :destroy
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has_many :topics1, :through => :synapses2, :source => :topic1
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has_many :topics2, :through => :synapses1, :source => :topic2
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has_many :mappings, as: :mappable, dependent: :destroy
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has_many :maps, :through => :mappings
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validates :permission, presence: true
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validates :permission, inclusion: { in: Perm::ISSIONS.map(&:to_s) }
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# This method associates the attribute ":image" with a file attachment
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has_attached_file :image
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#, styles: {
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# thumb: '100x100>',
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# square: '200x200#',
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# medium: '300x300>'
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#}
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# Validate the attached image is image/jpg, image/png, etc
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validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
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# This method associates the attribute ":image" with a file attachment
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has_attached_file :audio
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# Validate the attached audio is audio/wav, audio/mp3, etc
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validates_attachment_content_type :audio, :content_type => /\Aaudio\/.*\Z/
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def synapses
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synapses1 + synapses2
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end
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def relatives
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topics1 + topics2
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end
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belongs_to :metacode
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def user_name
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user.name
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end
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def user_image
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user.image.url
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end
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def map_count
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maps.count
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end
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def synapse_count
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synapses.count
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end
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def inmaps
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maps.map(&:name)
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end
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def inmapsLinks
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maps.map(&:id)
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end
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def as_json(options={})
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super(:methods =>[:user_name, :user_image, :map_count, :synapse_count, :inmaps, :inmapsLinks])
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end
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def topic_autocomplete_method
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"Get: #{self.name}"
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end
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def mk_permission
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Perm.short(permission)
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end
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# has no viewable synapses helper function
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def has_viewable_synapses(current)
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result = false
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synapses.each do |synapse|
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if synapse.authorize_to_show(current)
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result = true
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end
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end
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result
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end
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# TODO move to a decorator?
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def synapses_csv(output_format = 'array')
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output = []
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synapses.each do |synapse|
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if synapse.category == 'from-to'
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if synapse.node1_id == id
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output << synapse.node1_id.to_s + '->' + synapse.node2_id.to_s
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elsif synapse.node2_id == id
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output << synapse.node2_id.to_s + '<-' + synapse.node1_id.to_s
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else
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fail 'invalid synapse on topic in synapse_csv'
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end
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elsif synapse.category == 'both'
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if synapse.node1_id == id
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output << synapse.node1_id.to_s + '<->' + synapse.node2_id.to_s
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elsif synapse.node2_id == id
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output << synapse.node2_id.to_s + '<->' + synapse.node1_id.to_s
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else
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fail 'invalid synapse on topic in synapse_csv'
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end
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end
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end
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if output_format == 'array'
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return output
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elsif output_format == 'text'
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return output.join('; ')
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else
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fail 'invalid argument to synapses_csv'
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end
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output
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end
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##### PERMISSIONS ######
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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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def authorize_to_delete(user)
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if (self.user == user || user.admin)
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return self
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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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