mirror of
https://github.com/TracksApp/tracks.git
synced 2025-09-22 05:50:47 +02:00
remove backup of hmp's tagging_extensions
This commit is contained in:
Reinier Balt
parent
1a6edbe7c2
commit
b18d846d92
1 changed files with 0 additions and 200 deletions
|
|
@ -1,200 +0,0 @@
|
|||
class ActiveRecord::Base #:nodoc:
|
||||
|
||||
# These extensions make models taggable. This file is automatically generated and required by your app if you run the tagging generator included with has_many_polymorphs.
|
||||
module TaggingExtensions
|
||||
|
||||
# Add tags to <tt>self</tt>. Accepts a string of tagnames, an array of tagnames, an array of ids, or an array of Tags.
|
||||
#
|
||||
# We need to avoid name conflicts with the built-in ActiveRecord association methods, thus the underscores.
|
||||
def _add_tags incoming
|
||||
taggable?(true)
|
||||
tag_cast_to_string(incoming).each do |tag_name|
|
||||
# added following check to prevent empty tags from being saved (which will fail)
|
||||
unless tag_name.blank?
|
||||
begin
|
||||
tag = Tag.find_or_create_by_name(tag_name)
|
||||
raise Tag::Error, "tag could not be saved: #{tag_name}" if tag.new_record?
|
||||
tags << tag
|
||||
rescue ActiveRecord::StatementInvalid => e
|
||||
raise unless e.to_s =~ /duplicate/i
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
# Removes tags from <tt>self</tt>. Accepts a string of tagnames, an array of tagnames, an array of ids, or an array of Tags.
|
||||
def _remove_tags outgoing
|
||||
taggable?(true)
|
||||
outgoing = tag_cast_to_string(outgoing)
|
||||
tags.delete(*(tags.select do |tag|
|
||||
outgoing.include? tag.name
|
||||
end))
|
||||
end
|
||||
|
||||
# Returns the tags on <tt>self</tt> as a string.
|
||||
def tag_list
|
||||
# Redefined later to avoid an RDoc parse error.
|
||||
end
|
||||
|
||||
# Replace the existing tags on <tt>self</tt>. Accepts a string of tagnames, an array of tagnames, an array of ids, or an array of Tags.
|
||||
def tag_with list
|
||||
#:stopdoc:
|
||||
taggable?(true)
|
||||
list = tag_cast_to_string(list)
|
||||
|
||||
# Transactions may not be ideal for you here; be aware.
|
||||
Tag.transaction do
|
||||
current = tags.map(&:name)
|
||||
_add_tags(list - current)
|
||||
_remove_tags(current - list)
|
||||
end
|
||||
|
||||
self
|
||||
#:startdoc:
|
||||
end
|
||||
|
||||
# Returns the tags on <tt>self</tt> as a string.
|
||||
def tag_list #:nodoc:
|
||||
#:stopdoc:
|
||||
taggable?(true)
|
||||
tags.reload
|
||||
tags.to_s
|
||||
#:startdoc:
|
||||
end
|
||||
|
||||
def tag_list=(value)
|
||||
tag_with(value)
|
||||
end
|
||||
|
||||
private
|
||||
|
||||
def tag_cast_to_string obj #:nodoc:
|
||||
case obj
|
||||
when Array
|
||||
obj.map! do |item|
|
||||
case item
|
||||
# removed next line as it prevents using numbers as tags
|
||||
# when /^\d+$/, Fixnum then Tag.find(item).name # This will be slow if you use ids a lot.
|
||||
when Tag then item.name
|
||||
when String then item
|
||||
else
|
||||
raise "Invalid type"
|
||||
end
|
||||
end
|
||||
when String
|
||||
obj = obj.split(Tag::DELIMITER).map do |tag_name|
|
||||
tag_name.strip.squeeze(" ")
|
||||
end
|
||||
else
|
||||
raise "Invalid object of class #{obj.class} as tagging method parameter"
|
||||
end.flatten.compact.map(&:downcase).uniq
|
||||
end
|
||||
|
||||
# Check if a model is in the :taggables target list. The alternative to this check is to explicitly include a TaggingMethods module (which you would create) in each target model.
|
||||
def taggable?(should_raise = false) #:nodoc:
|
||||
unless flag = respond_to?(:tags)
|
||||
raise "#{self.class} is not a taggable model" if should_raise
|
||||
end
|
||||
flag
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
module TaggingFinders
|
||||
# Find all the objects tagged with the supplied list of tags
|
||||
#
|
||||
# Usage : Model.tagged_with("ruby")
|
||||
# Model.tagged_with("hello", "world")
|
||||
# Model.tagged_with("hello", "world", :limit => 10)
|
||||
#
|
||||
# XXX This query strategy is not performant, and needs to be rewritten as an inverted join or a series of unions
|
||||
#
|
||||
def tagged_with(*tag_list)
|
||||
options = tag_list.last.is_a?(Hash) ? tag_list.pop : {}
|
||||
tag_list = parse_tags(tag_list)
|
||||
|
||||
scope = scope(:find)
|
||||
options[:select] ||= "#{table_name}.*"
|
||||
options[:from] ||= "#{table_name}, tags, taggings"
|
||||
|
||||
sql = "SELECT #{(scope && scope[:select]) || options[:select]} "
|
||||
sql << "FROM #{(scope && scope[:from]) || options[:from]} "
|
||||
|
||||
add_joins!(sql, options[:joins], scope)
|
||||
|
||||
sql << "WHERE #{table_name}.#{primary_key} = taggings.taggable_id "
|
||||
sql << "AND taggings.taggable_type = '#{ActiveRecord::Base.send(:class_name_of_active_record_descendant, self).to_s}' "
|
||||
sql << "AND taggings.tag_id = tags.id "
|
||||
|
||||
tag_list_condition = tag_list.map {|name| "'#{name}'"}.join(", ")
|
||||
|
||||
sql << "AND (tags.name IN (#{sanitize_sql(tag_list_condition)})) "
|
||||
sql << "AND #{sanitize_sql(options[:conditions])} " if options[:conditions]
|
||||
|
||||
columns = column_names.map do |column|
|
||||
"#{table_name}.#{column}"
|
||||
end.join(", ")
|
||||
|
||||
sql << "GROUP BY #{columns} "
|
||||
sql << "HAVING COUNT(taggings.tag_id) = #{tag_list.size}"
|
||||
|
||||
add_order!(sql, options[:order], scope)
|
||||
add_limit!(sql, options, scope)
|
||||
add_lock!(sql, options, scope)
|
||||
|
||||
find_by_sql(sql)
|
||||
end
|
||||
|
||||
def self.tagged_with_any(*tag_list)
|
||||
options = tag_list.last.is_a?(Hash) ? tag_list.pop : {}
|
||||
tag_list = parse_tags(tag_list)
|
||||
|
||||
scope = scope(:find)
|
||||
options[:select] ||= "#{table_name}.*"
|
||||
options[:from] ||= "#{table_name}, meta_tags, taggings"
|
||||
|
||||
sql = "SELECT #{(scope && scope[:select]) || options[:select]} "
|
||||
sql << "FROM #{(scope && scope[:from]) || options[:from]} "
|
||||
|
||||
add_joins!(sql, options, scope)
|
||||
|
||||
sql << "WHERE #{table_name}.#{primary_key} = taggings.taggable_id "
|
||||
sql << "AND taggings.taggable_type = '#{ActiveRecord::Base.send(:class_name_of_active_record_descendant, self).to_s}' "
|
||||
sql << "AND taggings.meta_tag_id = meta_tags.id "
|
||||
|
||||
sql << "AND ("
|
||||
or_options = []
|
||||
tag_list.each do |name|
|
||||
or_options << "meta_tags.name = '#{name}'"
|
||||
end
|
||||
or_options_joined = or_options.join(" OR ")
|
||||
sql << "#{or_options_joined}) "
|
||||
|
||||
|
||||
sql << "AND #{sanitize_sql(options[:conditions])} " if options[:conditions]
|
||||
|
||||
columns = column_names.map do |column|
|
||||
"#{table_name}.#{column}"
|
||||
end.join(", ")
|
||||
|
||||
sql << "GROUP BY #{columns} "
|
||||
|
||||
add_order!(sql, options[:order], scope)
|
||||
add_limit!(sql, options, scope)
|
||||
add_lock!(sql, options, scope)
|
||||
|
||||
find_by_sql(sql)
|
||||
end
|
||||
|
||||
def parse_tags(tags)
|
||||
return [] if tags.blank?
|
||||
tags = Array(tags).first
|
||||
tags = tags.respond_to?(:flatten) ? tags.flatten : tags.split(Tag::DELIMITER)
|
||||
tags.map { |tag| tag.strip.squeeze(" ") }.flatten.compact.map(&:downcase).uniq
|
||||
end
|
||||
|
||||
end
|
||||
|
||||
include TaggingExtensions
|
||||
extend TaggingFinders
|
||||
end
|
||||
Loading…
Add table
Add a link
Reference in a new issue