|
ActiveRecord::Associations::HasManyThroughAssociation.class_eval do
|
|
def delete_records(records)
|
|
klass = @reflection.through_reflection.klass
|
|
records.each do |associate|
|
|
klass.destroy_all(construct_join_attributes(associate))
|
|
end
|
|
end
|
|
end
|
|
|
|
# Add an empty method to nil. Now no need for if x and x.empty?. Just x.empty?
|
|
class NilClass
|
|
def empty?
|
|
true
|
|
end
|
|
end
|
|
|
|
class ActiveRecord::Base
|
|
def <=>(other)
|
|
self.name <=> other.name
|
|
end
|
|
|
|
def update_single_attribute(attribute, value)
|
|
connection.update(
|
|
"UPDATE #{self.class.table_name} " +
|
|
"SET #{attribute.to_s} = #{value} " +
|
|
"WHERE #{self.class.primary_key} = #{id}",
|
|
"#{self.class.name} Attribute Update"
|
|
)
|
|
end
|
|
|
|
# ActiveRecord Callback class
|
|
class EnsureNotUsedBy
|
|
def initialize *attribute
|
|
@klasses = attribute
|
|
@logger = Rails.logger
|
|
end
|
|
|
|
def before_destroy(record)
|
|
for klass in @klasses
|
|
for what in record.send(klass.to_sym)
|
|
record.errors.add :base, "#{record} is used by #{what}"
|
|
end
|
|
end
|
|
if record.errors.empty?
|
|
true
|
|
else
|
|
@logger.error "You may not destroy #{record.to_label} as it is in use!"
|
|
false
|
|
end
|
|
end
|
|
end
|
|
|
|
def id_and_type
|
|
"#{id}-#{self.class.table_name.humanize}"
|
|
end
|
|
alias_attribute :to_label, :name
|
|
alias_attribute :to_s, :to_label
|
|
|
|
def self.unconfigured?
|
|
first.nil?
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
module ExemptedFromLogging
|
|
def process(request, *args)
|
|
logger.silence { super }
|
|
end
|
|
end
|
|
|
|
class String
|
|
def to_gb
|
|
begin
|
|
value,f,unit=self.match(/(\d+(\.\d+)?) ?(([KMGT]B?|B))$/i)[1..3]
|
|
case unit.to_sym
|
|
when nil, :B, :byte then (value.to_f / (4**10))
|
|
when :TB, :T, :terabyte then (value.to_f * (2**10))
|
|
when :GB, :G, :gigabyte then value.to_f
|
|
when :MB, :M, :megabyte then (value.to_f / (2**10))
|
|
when :KB, :K, :kilobyte, :kB then (value.to_f / (3**10))
|
|
else raise "Unknown unit: #{unit.inspect}!"
|
|
end
|
|
rescue
|
|
raise "Unknown string: #{self.inspect}!"
|
|
end
|
|
end
|
|
end
|
|
|
|
class ActiveModel::Errors
|
|
def are_all_conflicts?
|
|
self[:conflict].count == self.count
|
|
end
|
|
end
|
