Create model for candidates with name and description

db/migrate/20250321213011_create_votes.rb

@@ -5,7 +5,7 @@ class CreateVotes < ActiveRecord::Migration[7.2]
       t.string :title
       t.text :description
       t.datetime :expire_on
-      t.timestamps null: false
+      t.timestamps
     end
   end
 end

db/migrate/20250321224552_create_candidates.rb

@@ -0,0 +1,10 @@
+class CreateCandidates < ActiveRecord::Migration[7.2]
+  def change
+    create_table :candidates do |t|
+      t.belongs_to :vote
+      t.string :name
+      t.text :description
+      t.timestamps
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,16 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2025_03_21_213011) do
+ActiveRecord::Schema[7.2].define(version: 2025_03_21_224552) do
+  create_table "candidates", force: :cascade do |t|
+    t.integer "vote_id"
+    t.string "name"
+    t.text "description"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["vote_id"], name: "index_candidates_on_vote_id"
+  end
+
   create_table "votes", force: :cascade do |t|
     t.string "secure_id"
     t.string "title"

views/home.erb

@@ -4,11 +4,13 @@
 
 <h2>Votes</h2>
 
+<ul>
 <% @votes.each do |vote| %>
  <li>
    <a href="/votes/<%= vote.secure_id %>"><%= vote.title %></a>
  </li>
 <% end %>
+</ul>
 
 <form action="/votes/new" method="get">
   <button type="submit">Create new vote</button>

views/votes_show.erb

@@ -1,3 +1,28 @@
 <h1><%= @vote.title %></h1>
 
 <p><%= @vote.description %></p>
+
+<h2>Candidates</h2>
+
+<ul>
+<% @vote.candidates.each do |candidate| %>
+  <li>
+    <p><%= candidate.name %></p>
+    <p><%= candidate.description %></p>
+  </li>
+<% end %>
+</ul>
+
+<h2>New candidate</h2>
+
+<form action="/votes/<%= @vote.secure_id %>/candidates" method="post">
+  <p>
+    <label for="name">Name</label>
+    <input type="text" name="name">
+  </p>
+  <p>
+    <label for="description">Description</label>
+    <input type="text" name="description">
+  </p>
+  <button type="submit">Add new candidate</button>
+</form>

vote.rb

@@ -8,6 +8,11 @@ require 'securerandom'
 
 class Vote < ActiveRecord::Base
   self.primary_key = "secure_id"
+  has_many :candidates
+end
+
+class Candidate < ActiveRecord::Base
+  belongs_to :vote
 end
 
 def hash_password(password)
@@ -64,11 +69,19 @@ get '/votes/:id' do
 end
 
 post '/votes' do
-  secure_id = SecureRandom.hex(8)
-  @vote = Vote.create(secure_id: secure_id,
+  @vote = Vote.create(secure_id: SecureRandom.hex(8),
                       title: params[:title],
                       description: params[:description])
-  redirect '/votes/' + secure_id
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/candidates' do
+  @vote = Vote.find(params[:id])
+  @candidate = Candidate.new(name: params[:name],
+                             description: params[:description])
+  @candidate.vote = @vote
+  @candidate.save
+  redirect '/votes/' + @vote.secure_id
 end
 
 helpers do