Class: RansackMongo::MongoAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/ransack_mongo/mongo_adapter.rb

Constant Summary collapse

PREDICATES = 
%w[eq not_eq cont in start mstart gt lt gteq lteq]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ MongoAdapter

Returns a new instance of MongoAdapter.



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 5

def initialize
  @query = {}
end

Class Method Details

.predicates ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 73

def self.predicates
  PREDICATES
end

Instance Method Details

#cont_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 21

def cont_matcher(attr, value)
  @query[attr] = /#{value}/i
end

#eq_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 13

def eq_matcher(attr, value)
  @query[attr] = value
end

#gt_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 43

def gt_matcher(attr, value)
  append_sizeable_matcher('$gt', attr, value)
end

#gteq_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 51

def gteq_matcher(attr, value)
  append_sizeable_matcher('$gte', attr, value)
end

#in_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 25

def in_matcher(attr, value)
  @query[attr] = { '$in' => value }
end

#lt_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 47

def lt_matcher(attr, value)
  append_sizeable_matcher('$lt', attr, value)
end

#lteq_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 55

def lteq_matcher(attr, value)
  append_sizeable_matcher('$lte', attr, value)
end

#mstart_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 33

def mstart_matcher(attr, value)
  values = value.split(",").map do |current|
    if (current = current.strip).length > 0
      /^#{current}/i
    end
  end.compact

  @query[attr] = { '$in' => values }
end

#not_eq_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 17

def not_eq_matcher(attr, value)
  @query[attr] = { '$ne' => value }
end

#or_op ⇒ Object

or operation



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 59

def or_op # or operation
  return unless block_given?

  original_query = @query
  @query = {}

  yield

  original_query['$or'] ||= []
  original_query['$or'].concat @query.map { |attr, value| { attr => value } }

  @query = original_query
end

#start_matcher(attr, value) ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 29

def start_matcher(attr, value)
  @query[attr] = { '$in' => [/^#{value}/] }
end

#to_query ⇒ Object 



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# File 'lib/ransack_mongo/mongo_adapter.rb', line 9

def to_query
  @query
end