84 lines
1.8 KiB
Ruby
84 lines
1.8 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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def topic_count
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self.topics.length
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end
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def synapse_count
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self.synapses.length
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end
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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, :topic_count, :synapse_count])
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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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