Class: RecordCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/record_collection.rb

Instance Method Summary collapse

Constructor Details

#initialize(base_scope) ⇒ RecordCollection

Returns a new instance of RecordCollection.



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# File 'lib/record_collection.rb', line 5

def initialize(base_scope)
  self.base_scope = base_scope
  self.scopes = Set.new
end

Instance Method Details

#each(&block) ⇒ Object 



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# File 'lib/record_collection.rb', line 20

def each(&block)
  scopes.reduce(base_scope) { |scope, base| base.merge(scope) }.each(&block)
end

#is_limited_by?(scope) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/record_collection.rb', line 15

def is_limited_by?(scope)
  # because ActiveRecord::Relations do not implement hashing correctly, we must do case by case equality
  scopes.any? { |s| s == scope }
end

#limit_by(scope) ⇒ Object 



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# File 'lib/record_collection.rb', line 10

def limit_by(scope)
  scopes.add(scope)
  self
end