Class: Quickfilter::QueryBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/quickfilter/query_builder.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, adapter = nil) ⇒ QueryBuilder

Returns a new instance of QueryBuilder.



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# File 'lib/quickfilter/query_builder.rb', line 7

def initialize(klass, adapter=nil)
  @klass = klass
  @query = klass.where(nil)
  @associations = klass.reflect_on_all_associations

  @adapter = adapter
  @adapter ||= ActiveRecord::Base.connection_config[:adapter]
end

Instance Attribute Details

#adapter ⇒ Object (readonly)

Returns the value of attribute adapter.



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# File 'lib/quickfilter/query_builder.rb', line 5

def adapter
  @adapter
end

#klass ⇒ Object (readonly)

Returns the value of attribute klass.



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# File 'lib/quickfilter/query_builder.rb', line 5

def klass
  @klass
end

#query ⇒ Object (readonly)

Returns the value of attribute query.



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# File 'lib/quickfilter/query_builder.rb', line 5

def query
  @query
end

Instance Method Details

#build(params) ⇒ Object 



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# File 'lib/quickfilter/query_builder.rb', line 16

def build(params)
  params.each do |param|
    self.with(param) do |tablename, fieldname, operator, value|
      self.filter(tablename, fieldname, operator, value)
      self.join(tablename) if tablename != @klass.table_name
    end
  end
  return self
end