Rails 4 - Many to many relationship -


i have bookmark model. have list model. users can create bookmark lists.

i've created list scaffold command

rails generate scaffold list title:string
  1. a list can have many bookmarks
  2. a bookmark can have many lists

can me create list bookmark relationship.?

it awesome if can give me resources learn.

update:

  1. a bookmark can have many lists

lets bookmarked http://stackoverflow.com. , have 2 lists like:

  1. programming help
  2. favorite sites

then should able add bookmark both lists.

so guess a bookmark can have many lists valid statement.

applicable => rails 4:

app/model/bookmark.rb

class bookmark < activerecord::base   has_and_belongs_to_many :lists end

app/model/list.rb

class list < activerecord::base   has_and_belongs_to_many :bookmarks end

create new migration

rails generate migration createjointablelistbookmark list bookmark

migrate

rake db:migrate

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