Class: MongoMapper::FinderOptions
- Defined in:
- lib/mongo_mapper/finder_options.rb
Constant Summary collapse
- OptionKeys =
[:fields, :select, :skip, :offset, :limit, :sort, :order]
Instance Attribute Summary collapse
-
#options ⇒ Object
readonly
Returns the value of attribute options.
Class Method Summary collapse
- .field_normalized(field) ⇒ Object
- .to_mongo_criteria(conditions, parent_key = nil) ⇒ Object
- .to_mongo_options(options) ⇒ Object
Instance Method Summary collapse
- #criteria ⇒ Object
-
#initialize(options) ⇒ FinderOptions
constructor
A new instance of FinderOptions.
- #to_a ⇒ Object
Constructor Details
#initialize(options) ⇒ FinderOptions
Returns a new instance of FinderOptions.
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# File 'lib/mongo_mapper/finder_options.rb', line 47 def initialize() raise ArgumentError, "FinderOptions must be a hash" unless .is_a?(Hash) = .symbolize_keys @options, @conditions = {}, .delete(:conditions) || {} .each_pair do |key, value| if OptionKeys.include?(key) @options[key] = value else @conditions[key] = value end end end |
Instance Attribute Details
#options ⇒ Object (readonly)
Returns the value of attribute options.
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# File 'lib/mongo_mapper/finder_options.rb', line 3 def @options end |
Class Method Details
.field_normalized(field) ⇒ Object
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# File 'lib/mongo_mapper/finder_options.rb', line 37 def self.field_normalized(field) if field.to_s == 'id' :_id else field end end |
.to_mongo_criteria(conditions, parent_key = nil) ⇒ Object
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# File 'lib/mongo_mapper/finder_options.rb', line 5 def self.to_mongo_criteria(conditions, parent_key=nil) criteria = {} conditions.each_pair do |field, value| field = field_normalized(field) case value when Array operator_present = field.to_s =~ /^\$/ criteria[field] = if operator_present value else {'$in' => value} end when Hash criteria[field] = to_mongo_criteria(value, field) else criteria[field] = value end end criteria end |
.to_mongo_options(options) ⇒ Object
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# File 'lib/mongo_mapper/finder_options.rb', line 27 def self.() = .dup { :fields => to_mongo_fields(.delete(:fields) || .delete(:select)), :skip => (.delete(:skip) || .delete(:offset) || 0).to_i, :limit => (.delete(:limit) || 0).to_i, :sort => .delete(:sort) || to_mongo_sort(.delete(:order)) } end |