class QuerySyntax::CriteriaScope

Criteria Scopes are scopes containing key:value conditions ex.: where!(a:0, b:1).where!(a:2) becomes (a=0 OR a=2) AND b=1

Attributes

conditions[RW]

Public Class Methods

new(operator, conditions={}) click to toggle source
Calls superclass method QuerySyntax::Scope::new
# File lib/query_syntax/scope/criteria.rb, line 14
def initialize(operator, conditions={})
  super operator
  @conditions = conditions
  where!(conditions)
end

Public Instance Methods

to_s() click to toggle source

Collapse all conditions to a string

# File lib/query_syntax/scope/criteria.rb, line 37
def to_s
  value = @conditions.map do |key,values|
    query = values.map { |value| "#{key}:#{value}" }.join(" OR ")
    values.count > 1 ? "(#{query})" : query
  end.join(" AND ")

  conditions.count > 1 ? "(#{value})" : value
end
where!(args={}) click to toggle source
# File lib/query_syntax/scope/criteria.rb, line 25
def where!(args={})
  args.each do |k,v|
    next if v.nil?
    @conditions[k] = [] unless conditions.key?(k)
    @conditions[k].concat(Array(v)).uniq!
  end
  self
end