70 lines
1.7 KiB
Ruby
70 lines
1.7 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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##### 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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