module MarkMapper::Plugins::Modifiers::ClassMethods
Public Instance Methods
add_to_set(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 50 def add_to_set(*args) modifier_update('$addToSet', args) end
Also aliased as: push_uniq
decrement(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 12 def decrement(*args) criteria, keys, options = criteria_and_keys_from_args(args) values, to_decrement = keys.values, {} keys.keys.each_with_index { |k, i| to_decrement[k] = -values[i].abs } collection.update(criteria, {'$inc' => to_decrement}) end
find_and_modify(args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 67 def find_and_modify(args) args[:query] = dealias_keys(args[:query]) if args.key? :query args[:update] = dealias_keys(args[:update]) if args.key? :update collection.find_and_modify(args) end
increment(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 8 def increment(*args) modifier_update('$inc', args) end
pop(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 63 def pop(*args) modifier_update('$pop', args) end
pull(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 55 def pull(*args) modifier_update('$pull', args) end
pull_all(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 59 def pull_all(*args) modifier_update('$pullAll', args) end
push(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 42 def push(*args) modifier_update('$push', args) end
push_all(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 46 def push_all(*args) modifier_update('$pushAll', args) end
set(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 19 def set(*args) criteria, updates, options = criteria_and_keys_from_args(args) updates.each do |key, value| updates[key] = keys[key.to_s].set(value) if key?(key) end modifier_update('$set', [criteria, updates, options]) end
unset(*args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 27 def unset(*args) if args[0].is_a?(Hash) criteria, keys = args.shift, args options = keys.last.is_a?(Hash) ? keys.pop : {} else keys, ids = args.partition { |arg| arg.is_a?(Symbol) } options = ids.last.is_a?(Hash) ? ids.pop : {} criteria = {:id => ids} end criteria = criteria_hash(criteria).to_hash updates = keys.inject({}) { |hash, key| hash[key] = 1; hash } modifier_update('$unset', [criteria, updates, options]) end
Private Instance Methods
criteria_and_keys_from_args(args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 83 def criteria_and_keys_from_args(args) if args[0].is_a?(Hash) criteria = args[0] updates = args[1] options = args[2] else criteria, (updates, options) = args.partition { |a| !a.is_a?(Hash) } criteria = { :id => criteria } end updates = dealias_keys updates [criteria_hash(criteria).to_hash, updates, options] end
modifier_update(modifier, args)
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# File lib/mark_mapper/plugins/modifiers.rb, line 74 def modifier_update(modifier, args) criteria, updates, options = criteria_and_keys_from_args(args) if options collection.update(criteria, {modifier => updates}, options) else collection.update(criteria, {modifier => updates}) end end