Class: Conditioner::Configurator

Inherits:
Object
  • Object
show all
Defined in:
lib/conditioner/configurator.rb

Instance Method Summary collapse

Instance Method Details

#activate_default_rules! ⇒ Object 



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# File 'lib/conditioner/configurator.rb', line 17

def activate_default_rules!
  add_rule do |field, v, cnd|
    unless v.nil? || (v.respond_to?(:'empty?') && v.empty?)
      if cnd.is_field?(field) && v =~ /(\*$|^\*)/
        cnd.and(["#{cnd.with_table_name(field)} ILIKE ?",v.gsub(/(\*$|^\*)/,'%')])
      elsif cnd.is_field?(field) && v =~ /(%$|^%)/
        cnd.and(["upper(#{cnd.with_table_name(field)}) like upper(?)",v])
        #FIXME: add logic for ranges
      elsif field=~ /^from_(\w*_(datetime|at))/ and cnd.is_field?($1)
        datetime = Time.zone.parse(v)
        cnd.and(["#{cnd.with_table_name($1)} >= ?",datetime])
      elsif field=~ /^to_(\w*_(datetime|at))/ and cnd.is_field?($1)
        datetime = Time.zone.parse(v).change(:hour => 23,:min => 59,:sec => 59,:usec => 0)
        cnd.and(["#{cnd.with_table_name($1)} <= ?",datetime])
      elsif cnd.is_field?(field) && (field.include?('_datetime') || field.include?('_at'))
        start_date = Time.zone.parse(v).change(:hour => 0,:min => 0,:sec => 0,:usec => 0)
        end_date = Time.zone.parse(v).change(:hour => 23,:min => 59,:sec => 59,:usec => 0)
        cnd.and(["(#{cnd.with_table_name(field)} BETWEEN ? AND ?)",start_date,end_date])
      elsif field=~ /^(\w*)_(ltoe|gtoe|lt|gt)$/ and cnd.is_field?($1)
        operator = { 'lt' => '<', 'gt' => '>', 'ltoe' => '<=', 'gtoe' => '>=' }[$2]
        cnd.and(["#{cnd.with_table_name($1)} #{operator} ?", v])
      elsif field=~ /^(\w*)_(begins_with|ends_with|contains)$/ and cnd.is_field?($1)
        if $2 == 'begins_with'
          like_expr = "#{v}%"
        elsif $2 == 'ends_with'
          like_expr = "%#{v}"
        else
          like_expr = "%#{v}%"
        end
        cnd.and(["#{cnd.with_table_name($1)} ILIKE ?", like_expr])
      elsif field=~ /^(\w*)_in$/ and cnd.is_field?($1)
        cnd.and(["#{cnd.with_table_name($1)} IN (?)", v])
      end
    end
  end
end

#add_rule(&rule) ⇒ Object 



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# File 'lib/conditioner/configurator.rb', line 8

def add_rule(&rule)
  extract_rules<< rule
end

#clear_rules! ⇒ Object

You can clear default rules with



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# File 'lib/conditioner/configurator.rb', line 13

def clear_rules!
  @rules = []
end

#extract_rules ⇒ Object 



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# File 'lib/conditioner/configurator.rb', line 4

def extract_rules
  @rules ||= []
end