Build a document given the selector and return it. Complex criteria, such as $in and $or operations will get ignored.
@example build the document.
Person.where(:title => "Sir").build
@example Build with selectors getting ignored.
Person.where(:age.gt => 5).build
@return [ Document ] A non-persisted document.
@since 2.0.0
# File lib/mongoid/criterion/modifiable.rb, line 17 def build(attrs = {}, &block) create_document(:new, attrs, &block) end
Create a document in the database given the selector and return it. Complex criteria, such as $in and $or operations will get ignored.
@example Create the document.
Person.where(:title => "Sir").create
@example Create with selectors getting ignored.
Person.where(:age.gt => 5).create
@return [ Document ] A newly created document.
@since 2.0.0.rc.1
# File lib/mongoid/criterion/modifiable.rb, line 34 def create(attrs = {}, &block) create_document(:create, attrs, &block) end
Create a document in the database given the selector and return it. Complex criteria, such as $in and $or operations will get ignored. If validation fails, an error will be raised.
@example Create the document.
Person.where(:title => "Sir").create
@example Create with selectors getting ignored.
Person.where(:age.gt => 5).create
@raise [ Errors::Validations ] on a validation error.
@return [ Document ] A newly created document.
@since 3.0.0
# File lib/mongoid/criterion/modifiable.rb, line 53 def create!(attrs = {}, &block) create_document(:create!, attrs, &block) end
Find the first Document
given the conditions, or creates a new
document with the conditions that were supplied.
@example Find or create the document.
Person.find_or_create_by(:attribute => "value")
@param [ Hash ] attrs The attributes to check.
@return [ Document ] A matching or newly created document.
# File lib/mongoid/criterion/modifiable.rb, line 66 def find_or_create_by(attrs = {}, &block) find_or(:create, attrs, &block) end
Find the first Document
given the conditions, or initializes a
new document with the conditions that were supplied.
@example Find or initialize the document.
Person.find_or_initialize_by(:attribute => "value")
@param [ Hash ] attrs The attributes to check.
@return [ Document ] A matching or newly initialized document.
# File lib/mongoid/criterion/modifiable.rb, line 79 def find_or_initialize_by(attrs = {}, &block) find_or(:new, attrs, &block) end
Find the first Document
, or creates a new document with the
conditions that were supplied plus attributes.
@example First or create the document.
Person.where(name: "Jon").first_or_create(attribute: "value")
@param [ Hash ] attrs The additional attributes to add.
@return [ Document ] A matching or newly created document.
@since 3.1.0
# File lib/mongoid/criterion/modifiable.rb, line 94 def first_or_create(attrs = nil, &block) first_or(:create, attrs, &block) end
Find the first Document
, or creates a new document with the
conditions that were supplied plus attributes and will raise an error if
validation fails.
@example First or create the document.
Person.where(name: "Jon").first_or_create!(attribute: "value")
@param [ Hash ] attrs The additional attributes to add.
@return [ Document ] A matching or newly created document.
@since 3.1.0
# File lib/mongoid/criterion/modifiable.rb, line 110 def first_or_create!(attrs = nil, &block) first_or(:create!, attrs, &block) end
Find the first Document
, or initializes a new document with
the conditions that were supplied plus attributes.
@example First or initialize the document.
Person.where(name: "Jon").first_or_initialize(attribute: "value")
@param [ Hash ] attrs The additional attributes to add.
@return [ Document ] A matching or newly initialized document.
@since 3.1.0
# File lib/mongoid/criterion/modifiable.rb, line 125 def first_or_initialize(attrs = nil, &block) first_or(:new, attrs, &block) end
Create a document given the provided method and attributes from the existing selector.
@api private
@example Create a new document.
criteria.create_document(:new, {})
@param [ Symbol ] method Either :new or :create. @param [ Hash ] attrs Additional attributes to use.
@return [ Document ] The new or saved document.
@since 3.0.0
# File lib/mongoid/criterion/modifiable.rb, line 145 def create_document(method, attrs = nil, &block) klass.__send__(method, selector.reduce(attrs || {}) do |hash, (key, value)| unless key.to_s =~ /\$/ || value.is_a?(Hash) hash[key] = value end hash end, &block) end
Find the first object or create/initialize it.
@api private
@example Find or perform an action.
Person.find_or(:create, :name => "Dev")
@param [ Symbol ] method The method to invoke. @param [ Hash ] attrs The attributes to query or set.
@return [ Document ] The first or new document.
# File lib/mongoid/criterion/modifiable.rb, line 166 def find_or(method, attrs = {}, &block) where(attrs).first || send(method, attrs, &block) end
Find the first document or create/initialize it.
@api private
@example First or perform an action.
Person.first_or(:create, :name => "Dev")
@param [ Symbol ] method The method to invoke. @param [ Hash ] attrs The attributes to query or set.
@return [ Document ] The first or new document.
@since 3.1.0
# File lib/mongoid/criterion/modifiable.rb, line 183 def first_or(method, attrs = {}, &block) first || create_document(method, attrs, &block) end