rails project#index don't display user projects - Many to Many association - ruby-on-rails

Question

I try to create app like this : An user can create a project, and invite many members to this project. Right now, I try to display all projects created by the user with projects#index method on projects_controller.rb. But, on browser, on /projects links, I don't have any errors, and don't have projects.
Here is my code,
projects_controller.rb :
def index
#user = current_user
#projects = #user.projects
end
def create
#project = Project.new(project_params)
#project.user_id = current_user.id
if #project.save
flash[:success] = "successfully created project"
redirect_to projects_path
else
render 'new'
end
end
Here is models (user, project, membership, invite) :
class Invite < ApplicationRecord
belongs_to :project
belongs_to :sender, :class_name => 'User'
belongs_to :recipient, :class_name => 'User'
before_create :generate_token
before_save :check_user_existence
def generate_token
self.token = Digest::SHA1.hexdigest([self.project_id, Time.now, rand].join)
end
def check_user_existence
recipient = User.find_by_email(email)
if recipient
self.recipient_id = recipient.id
end
end
end
class User < ApplicationRecord
has_many :memberships
has_many :projects, through: :memberships
has_many :invitations, :class_name => 'Invite', :foreign_key => 'recipient_id'
has_many :sent_invites, :class_name => 'Invite', :foreign_key => 'sender_id'
# Include default devise modules. Others available are:
# :confirmable, :lockable, :timeoutable and :omniauthable
devise :database_authenticatable, :registerable,
:recoverable, :rememberable, :trackable, :validatable
end
class Project < ApplicationRecord
has_many :memberships
has_many :users, through: :memberships
has_many :invites
end
class Membership < ApplicationRecord
belongs_to :user
belongs_to :project
end
And here is the view where I want to display user.projects :
<div class="container">
<h3> All your projects </h3>
<% #projects.each do |project| %>
<div class="project-card">
<div class="card-title">
<%= link_to project.title, project_path(project) %>
</div>
</div>
<% end %>
</div>
Maybe you want to see the schema :
ActiveRecord::Schema.define(version: 20161211133001) do
create_table "invites", force: :cascade do |t|
t.string "email"
t.integer "project_id"
t.integer "sender_id"
t.integer "recipient_id"
t.string "token"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
end
create_table "memberships", force: :cascade do |t|
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
t.integer "project_id"
t.index ["project_id"], name: "index_memberships_on_project_id"
t.index ["user_id"], name: "index_memberships_on_user_id"
end
create_table "projects", force: :cascade do |t|
t.string "title"
t.integer "nb_team"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.integer "user_id"
end
create_table "users", force: :cascade do |t|
t.string "email", default: "", null: false
t.string "encrypted_password", default: "", null: false
t.string "reset_password_token"
t.datetime "reset_password_sent_at"
t.datetime "remember_created_at"
t.integer "sign_in_count", default: 0, null: false
t.datetime "current_sign_in_at"
t.datetime "last_sign_in_at"
t.string "current_sign_in_ip"
t.string "last_sign_in_ip"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.index ["email"], name: "index_users_on_email", unique: true
t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
end
end
Thank you !

Answer 1

Ok I fix it by writing this :
def index
#projects = Project.where(:user_id => current_user)
end
Maybe it will help !