class QueryBase
Constants
- RelationRequired
Attributes
base_relation[RW]
options[R]
relation[R]
Public Class Methods
call(*args)
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# File lib/generators/service/install/templates/services/query_base.rb, line 23 def self.call(*args) new(*args).query end
new(*args)
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# File lib/generators/service/install/templates/services/query_base.rb, line 6 def initialize(*args) @options = args.extract_options! @relation = args.first || base_relation if relation.nil? raise( RelationRequired, "Queries require a base relation defined. Use .queries method to define relation." ) elsif !relation.is_a?(ActiveRecord::Relation) raise( RelationRequired, "Queries accept only ActiveRecord::Relation as input" ) end end
queries(subject)
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# File lib/generators/service/install/templates/services/query_base.rb, line 27 def self.queries(subject) self.base_relation = subject end
Public Instance Methods
base_relation()
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# File lib/generators/service/install/templates/services/query_base.rb, line 31 def base_relation return nil if self.class.base_relation.nil? if self.class.base_relation.is_a?(ActiveRecord::Relation) self.class.base_relation elsif self.class.base_relation < ActiveRecord::Base self.class.base_relation.all end end
Private Instance Methods
query()
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# File lib/generators/service/install/templates/services/query_base.rb, line 49 def query raise( NotImplementedError, "You need to implement #query method which returns ActiveRecord::Relation object" ) end