Class: QueryBase
- Inherits:
-
Object
- Object
- QueryBase
- Defined in:
- lib/generators/service/install/templates/services/query_base.rb
Constant Summary collapse
- RelationRequired =
Class.new(StandardError)
Class Attribute Summary collapse
-
.base_relation ⇒ Object
Returns the value of attribute base_relation.
Class Method Summary collapse
Instance Method Summary collapse
- #base_relation ⇒ Object
-
#initialize(*args) ⇒ QueryBase
constructor
A new instance of QueryBase.
Constructor Details
#initialize(*args) ⇒ QueryBase
Returns a new instance of QueryBase.
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# File 'lib/generators/service/install/templates/services/query_base.rb', line 6 def initialize(*args) @options = args. @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 |
Class Attribute Details
.base_relation ⇒ Object
Returns the value of attribute base_relation.
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# File 'lib/generators/service/install/templates/services/query_base.rb', line 44 def base_relation @base_relation end |
Class Method Details
.call(*args) ⇒ Object
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# File 'lib/generators/service/install/templates/services/query_base.rb', line 23 def self.call(*args) new(*args).query end |
.queries(subject) ⇒ Object
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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 |
Instance Method Details
#base_relation ⇒ Object
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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 |