similar to: Problem implementing tagging

Disclaimer: RoR newbie. Using the acts_as_taggable plugin. As an exercise I wanted to switch from the destructive TAG_WITH method to adding tags while preserving the existing ones. On the surface this seemed easy enough and eventually I got it working. However, the following method: def add_tags(list) Tag.transaction do Tag.parse(list).each do |name| if

I''ve installed the acts_as_taggable plugin and modifed it according to the tutorial form making it user specific (http://www.slashdotdash.net/blog/articles/2006/04/29/acts_as_taggable-per-user-tagging ). I keep getting errors when I try to tag things, however, and have traced the problem to the line of the tag_with function that calls the find_or_create_by_name function. So I fired

I have a model named Project which contains a name attribute, and I have a second model named Booking which has, among other things, a date and a Project. (has_many :bookings, belongs_to :project). When a user creates a new Booking, they have the option of using an existing Project or creating a new Project. As an added complexity, when choosing from existing Projects, they can either choose from

Hello list, I think I''ve found a bug in the way Rails is talking to my Postgres DB when recording HABTM data. My join_table looks like this: id serial primary key, tablea_id integer references tablea(id), tableb_id integer references tableb(id), other_attributes... When Rails writes to join_table, I''d expect it to do something like: INSERT INTO join_table (tablea_id,

Hi Chris, Yesterday you kindly submitted an answer to my question on modelling many to many relationships. I''ve briefly tried the proposed solution but so far with no luck. Before I get too involved - I''d like to know if mapping three way :join_tables is "legal" in a Rails sense. I only ask since you put (untested) in your mail and I can''t find any docs on

Hi everyone, I''m refreshing the local Rails database from a remote database every 10 minutes. I''m using a :through association to relate people to mailinglists through subscriptions. # Works fine, every 10 minutes: remote_lists.each { |list| List.find_or_create_by_name(list.name) } remote_subscribers.each do |subscriber| person = Person.find_by_email(subscriber.user)

I have a problem declaring a relationship through a join_table ; the SQL generated by ActiveRecord is correct, but there are two columns called ''id'', and the final object gets the ''wrong'' column ... Here''s a more detailed description of the data, code, and problem :- There''s a People table, with id, name, and a few things. Also a

Hi, There is a line in acts_as_taggable plugin: send(acts_as_taggable_options[:from]).tags.find_or_create_by_name(name).on(self) could someone explain what is: send(xxx) and .on(self) I cannot find it rDoc -- Posted via http://www.ruby-forum.com/.

Chris, Finally got time to fully play with your suggestions. Had to re-code a bit of stuff but the concept works - just like a bought one :~). Many thanks for the solution, Kind Regards, Eric. For those curious - here''s what it was about; On Monday 02 January 2006 02:10, Eric Sloane tried to type something like: > Hi, > I''m trying to figure the most efficient way to

Hi, I am trying to perform a query with ActiveRecord that I want to put into a Rails application later. For now I just wrote it within a plain old Ruby script for easier testing. I am working with an existing database so I had to map some foreign keys myself. As you can see from the models below, the database has a structure of Prospectlists <=habtm=> Contacts <=habtm=> Accounts

I need to have a table related to itself via a join table. Will HABTM support this? That is: class Recipe < ActiveRecord::Base has_and_belongs_to_many :recipes, :join_table => "recipes_recipes" end More importantly -- how does RoR support MULTIPLE self-joins? I.e., to relate the table to itself via multiple join tables. SFAIK, HABTM won''t support multiple

Hello everyone, first post to the list and a relative newbie to Rails development. Done quite a bit of JSP, PHP, HTML, XML etc and thought I would kick the tires on Rails to see if it can speed up development for internal applications. Anyway, I am running into a problem that is just driving me crazy and everything I read on the net doesn''t seem to help. I was hoping someone here might

(well, from me anyway. I promise) Trying to follow the "Self-referential Many-to-Many Relationships" recipe from the Rails Recipes book. This is what I''m doing: Tasks can have a predecessor relationship with each other. My Task class has this: has_and_belongs_to_many :predecessors, :class_name => "Task", :join_table => "predecessor",

hi, I found a bug in ActiveRecord association SQL INNER JOIN codes. in has_many, has_one, habtm and belongs_to queries the foreign key is determined from the table name of reflection and self. but that''s worng because if you use a global prefix or suffix for your tables the foreign keys will be in format of PREFIX_CLASSNAME_SUFFIX_id which is wrong, because it breaks the advantage of

Here''s a simplistic model class. class Person < ActiveRecord::Base has_and_belongs_to_many :relatives, :class_name => ''Person'', :join_table => ''relatives'', :foreign_key => ''from_id'', :association_foreign_key => ''to_id'' has_and_belongs_to_many :brothers, :class_name =>

Imagine I want to track people, and the clubs that they belong to. table people with columns person_id, person_name table clubs with columns club_id, club_name And I have the association table: table clubs_people with columns person_id, club_id Now I know how to do this habtm between the two, in order to associate people with clubs that they belong to. However my application also needs a

I have more or less the same problem. I''m trying to build a system where users can enter their friends. But the solutions seems not to work for me. I used same sql: CREATE TABLE `friends` ( `user_id` int(11) NOT NULL default ''0'', `friend_id` int(11) NOT NULL default ''0'', KEY `user_id` (`user_id`), KEY `friend_id` (`friend_id`),

I the following three models which all have has_and_belongs_to_many # User <-> UserGroup <-> Permissions class UserGroup < ActiveRecord::Base has_and_belongs_to_many :users, :join_table => "user_usergroup_join" has_and_belongs_to_many :permissions, :join_table => "usergroup_permission_join", :uniq => true end I can do this: permissions =

Hi, Posting here since issue tracking isn''t the best place to discuss. I can understand habtm is moving towards deprecating support for extra attributes in join_table, and to use :through for those cases instead. To clarify, patch<http://dev.rubyonrails.org/attachment/ticket/5216/habtm_join_table_test.patch1.diff>for #5216 <http://dev.rubyonrails.org/ticket/5216>

hello, I''am new to ROR and I have a problem. I have to models "rights" and "roles" on a has_and_belongs_to_many relationship, through "roles_rights" table. When I try to add a new role although I put in my form fields for each right, a record is added to table roles but none to roles_rights. I am using Ruby 1.8.4 rails 1.0 mysql 5.0 here is my code: