Method: AbstractResource.search

Defined in:
app/models/abstract_resource.rb

.search(lot, query, fields = "id") ⇒ Object

this generic search needs a bit more work but it is a ok first draft



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# File 'app/models/abstract_resource.rb', line 19

def self.search(lot, query, fields="id")
  fields = fields.join(",") if fields.is_a? Array
  population = lot.pluck fields
  elements = query.split(' ')
  constraints = {and: [], or: [], not: []}
  elements.each do |element|
    case element.slice 0
    when '+'; constraints[:and] += population.collect{ |k,v| k if v =~ /#{element[1..-1]}/i }.compact.flatten
    when '-'; constraints[:not] += population.collect{ |k,v| k if v =~ /#{element[1..-1]}/i }.compact.flatten
    when '*'; constraints[:or] += population.collect{ |k,v| k if b=="#{element[1..-1]}" }.compact.flatten
    else;     constraints[:or] += population.collect{ |k,v| k if v =~ /#{element}/i }.compact.flatten
    end
  end
  population = constraints[:or].empty? ? population.collect{|r| r[0]} : constraints[:or]
  population = population & constraints[:and] if constraints[:and].any?
  population -= constraints[:not].uniq if constraints[:not].any?
  population = [] if constraints[:or].empty? and constraints[:and].empty?
  lot.where id: population
end