diff --git a/db/schema.rb b/db/schema.rb
index c5b9cd1..f42b321 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2025_03_28_010547) do
+ActiveRecord::Schema[7.2].define(version: 2025_03_28_014902) do
   create_table "candidates", force: :cascade do |t|
     t.integer "vote_id"
     t.string "name"
@@ -53,6 +53,7 @@ ActiveRecord::Schema[7.2].define(version: 2025_03_28_010547) do
     t.datetime "expire_on"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "state"
   end
 
   add_foreign_key "ratings", "votes"
diff --git a/views/votes_edit.erb b/views/votes_edit.erb
new file mode 100644
index 0000000..4004bbc
--- /dev/null
+++ b/views/votes_edit.erb
@@ -0,0 +1,56 @@
+<h1>Edit draft vote</h1>
+
+<form action="/votes/<%= @vote.secure_id %>/edit" method="post">
+  <p>
+    <label for="title">Title</label>
+    <input type="text" name="title" value="<%= @vote.title %>">
+  </p>
+  <p>
+    <label for="description">Description</label>
+    <input type="text" name="description" value="<%= @vote.description %>">
+  </p>
+  <button type="submit">Update vote description</button>
+</form>
+
+<h2>Candidates</h2>
+
+<% @vote.candidates.each do |candidate| %>
+<h3><%= candidate.name %></h3>
+<p><%= candidate.description %></p>
+<% end %>
+
+<h3>Add candidate</h3>
+
+<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>
+
+<h2>Organizers</h2>
+
+<ul>
+  <% @vote.organizers.each do |organizer| %>
+  <li><%= organizer.user.email %></li>
+  <% end %>
+</ul>
+
+<form action="/votes/<%= @vote.secure_id %>/organizers" method="post">
+  <p>
+    <label for="email">Email</label>
+    <input type="text" name="email">
+  </p>
+  <button type="submit">Add new organizer</button>
+</form>
+
+<h2>Start voting period</h2>
+
+<form action="/votes/<%= @vote.secure_id %>/open" method="post">
+  <button type="submit">Open vote to participants</button>
+</form>
diff --git a/views/votes_results.erb b/views/votes_results.erb
new file mode 100644
index 0000000..01b14f9
--- /dev/null
+++ b/views/votes_results.erb
@@ -0,0 +1,44 @@
+<h1><%= @vote.title %></h1>
+
+<p><%= @vote.description %></p>
+
+<form action="/votes/<%= @vote.secure_id %>/reopen" method="post">
+  <button type="submit">Reopen voting period</button>
+</form>
+
+<h2>Organizers</h2>
+
+<ul>
+  <% @vote.organizers.each do |organizer| %>
+  <li><%= organizer.user.email %></li>
+  <% end %>
+</ul>
+
+<h2>All ratings</h2>
+
+<table>
+  <tr>
+    <th>Participant</th>
+    <% @vote.candidates.each do |candidate| %>
+    <th><%= candidate.name %></th>
+    <% end %>
+  </tr>
+  <% @vote.ratings.collect { |rating| rating.user }.uniq.each do |user| %>
+  <tr>
+    <td><%= user.email %></td>
+    <% @vote.candidates.each do |candidate| %>
+    <% if rating = @vote.ratings.find { |rating| rating.user == user and rating.candidate == candidate } %>
+    <td><%= rating.value %></td>
+    <% end %>
+    <% end %>
+  </tr>
+  <% end %>
+</table>
+
+<h2>Results</h2>
+
+<ol>
+  <% @vote.candidates.sort { |a, b| a.mj <=> b.mj }.reverse.each do |candidate| %>
+  <li><%= candidate.name %>: <%= candidate.mj.mj %></li>
+  <% end %>
+</ol>
diff --git a/views/votes_show.erb b/views/votes_show.erb
index 2c9f763..d80ad31 100644
--- a/views/votes_show.erb
+++ b/views/votes_show.erb
@@ -2,6 +2,10 @@
 
 <p><%= @vote.description %></p>
 
+<form action="/votes/<%= @vote.secure_id %>/draft" method="post">
+  <button type="submit">Change back to draft vote</button>
+</form>
+
 <h2>Organizers</h2>
 
 <ul>
@@ -10,13 +14,13 @@
   <% end %>
 </ul>
 
-<form action="/votes/<%= @vote.secure_id %>/organizers" method="post">
-  <p>
-    <label for="email">Email</label>
-    <input type="text" name="email">
-  </p>
-  <button type="submit">Add new organizer</button>
-</form>
+<h2>Participants</h2>
+
+<ul>
+<% @vote.ratings.collect { |rating| rating.user }.uniq.each do |user| %>
+  <li><%= user.email %></li>
+<% end %>
+</ul>
 
 <h2>Your ratings</h2>
 
@@ -43,45 +47,8 @@
 <button type="submit">Save ratings</button>
 </form>
 
-<h2>All ratings</h2>
+<h2>Close voting period</h2>
 
-<table>
-  <tr>
-    <th>Participant</th>
-    <% @vote.candidates.each do |candidate| %>
-    <th><%= candidate.name %></th>
-    <% end %>
-  </tr>
-  <% @vote.ratings.collect { |rating| rating.user }.uniq.each do |user| %>
-  <tr>
-    <td><%= user.email %></td>
-    <% @vote.candidates.each do |candidate| %>
-    <% if rating = @vote.ratings.find { |rating| rating.user == user and rating.candidate == candidate } %>
-    <td><%= rating.value %></td>
-    <% end %>
-    <% end %>
-  </tr>
-  <% end %>
-</table>
-
-<h2>Results</h2>
-
-<ol>
-  <% @vote.candidates.sort { |a, b| a.mj <=> b.mj }.reverse.each do |candidate| %>
-  <li><%= candidate.name %>: <%= candidate.mj.mj %></li>
-  <% end %>
-</ol>
-
-<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 action="/votes/<%= @vote.secure_id %>/close" method="post">
+  <button type="submit">Show results</button>
 </form>
diff --git a/vote.rb b/vote.rb
index 539078b..ac64e4a 100644
--- a/vote.rb
+++ b/vote.rb
@@ -10,6 +10,7 @@ class Vote < ActiveRecord::Base
   has_many :ratings
   has_many :organizers
   has_many :users, through: :organizers
+  validates :state, inclusion: { in: ["draft", "open", "closed"] }
 end
 
 class Candidate < ActiveRecord::Base
@@ -95,7 +96,28 @@ end
 get '/votes/:id' do
   redirect '/login' unless current_user
   @vote = Vote.find_by(secure_id: params[:id])
-  erb :votes_show
+  case @vote.state
+  when "open"
+    erb :votes_show
+  when "draft"
+    erb :votes_edit
+  when "closed"
+    erb :votes_results
+  else
+    @vote.state = "draft"
+    @vote.save
+    erb :votes_edit
+  end
+end
+
+post '/votes/:id/edit' do
+  redirect '/login' unless current_user
+  @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "draft"
+  @vote.title = params[:title]
+  @vote.description = params[:description]
+  @vote.save
+  erb :votes_edit
 end
 
 post '/votes' do
@@ -106,7 +128,9 @@ post '/votes' do
 end
 
 post '/votes/:id/candidates' do
+  redirect '/login' unless current_user
   @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "draft"
   @candidate = Candidate.new(name: params[:name],
                              description: params[:description])
   @candidate.vote = @vote
@@ -114,6 +138,42 @@ post '/votes/:id/candidates' do
   redirect '/votes/' + @vote.secure_id
 end
 
+post '/votes/:id/open' do
+  redirect '/login' unless current_user
+  @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "draft"
+  @vote.state = "open"
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/draft' do
+  redirect '/login' unless current_user
+  @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "open"
+  @vote.state = "draft"
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/close' do
+  redirect '/login' unless current_user
+  @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "open"
+  @vote.state = "closed"
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
+post '/votes/:id/reopen' do
+  redirect '/login' unless current_user
+  @vote = Vote.find_by(secure_id: params[:id])
+  redirect '/votes/' + vote.secure_id if @vote.state != "closed"
+  @vote.state = "open"
+  @vote.save
+  redirect '/votes/' + @vote.secure_id
+end
+
 post '/votes/:id/ratings' do
   redirect '/login' unless current_user
   vote = Vote.find_by(secure_id: params[:id])