124 lines
3.1 KiB
Ruby
124 lines
3.1 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'
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has_many :synapses2, :class_name => 'Synapse', :foreign_key => 'node2_id'
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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
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has_many :maps, :through => :mappings
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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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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: 'Topic',
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action: action,
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id: self.id,
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obj: self.selfonmap_as_json(map.id).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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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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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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# 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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self.synapses.each do |synapse|
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if synapse.authorize_to_view(current)
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result = true
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end
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end
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return result
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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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# 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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end
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