class Envoku::Feature
Constants
- ENV_NAMESPACE
- REDIS_NAMESPACE
Attributes
attributes[R]
description[R]
name[R]
Public Class Methods
all()
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# File lib/envoku/feature.rb, line 23 def self.all keys = ENV.select { |key, value| key.index(ENV_NAMESPACE) == 0 } keys.keys.map do |key| Feature.new(key[(ENV_NAMESPACE.length)..-1]) end end
new(name)
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# File lib/envoku/feature.rb, line 30 def initialize(name) @name = name @enabled = false @attributes = {} @description = nil var_string = ENV["#{ENV_NAMESPACE}#{name}"] return nil unless var_string @attributes = ::YAML.safe_load(var_string) rescue {} @description = @attributes['description'] @enabled = !!@attributes['enabled'] @attributes.delete('description') @attributes.delete('enabled') end
Public Instance Methods
disable_for!(resource)
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# File lib/envoku/feature.rb, line 61 def disable_for!(resource) Envoku.logger.warn("feature #{name} is not permitted for #{resource.class.name}") unless permitted_for?(resource.class.name) Envoku.redis.multi do Envoku.redis.del("#{REDIS_NAMESPACE}#{@name}:#{resource.class.name}") Envoku.redis.del("#{REDIS_NAMESPACE}#{resource.class.name}:#{resource.id}") end end
enable_for!(resource)
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# File lib/envoku/feature.rb, line 53 def enable_for!(resource) Envoku.logger.warn("feature #{name} is not permitted for #{resource.class.name}") unless permitted_for?(resource.class.name) Envoku.redis.multi do Envoku.redis.sadd("#{REDIS_NAMESPACE}#{@name}:#{resource.class.name}", resource.id.to_s) Envoku.redis.sadd("#{REDIS_NAMESPACE}#{resource.class.name}:#{resource.id}", @name) end end
enabled?()
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# File lib/envoku/feature.rb, line 44 def enabled? @enabled end
enabled_for?(resource)
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# File lib/envoku/feature.rb, line 48 def enabled_for?(resource) return true if enabled? Envoku.redis.sismember("#{REDIS_NAMESPACE}#{@name}:#{resource.class.name}", "#{resource.id}") end
permitted_for?(resource_klass)
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# File lib/envoku/feature.rb, line 73 def permitted_for?(resource_klass) return true unless @attributes.has_key?('permitted_resources') resource_klass = resource_klass.class.name unless resource_klass.is_a?(String) @attributes['permitted_resources'].split(',').include?(resource_klass) end
resources()
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# File lib/envoku/feature.rb, line 79 def resources list = [] feature_prefix = "#{REDIS_NAMESPACE}#{@name}" klasses = Envoku.redis.keys("#{feature_prefix}:*").map { |klass| klass[(feature_prefix.length + 1)..-1] } klasses.each do |klass| ids = Envoku.redis.smembers("#{feature_prefix}:#{klass}") ids.each do |id| list.push("#{klass}:#{id}") end end list end
toggle_for!(resource)
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# File lib/envoku/feature.rb, line 69 def toggle_for!(resource) enabled_for?(resource) ? disable_for!(resource) : enable_for!(resource) end