configurable field to unsubscribe from emails + link to do it yourself

app/assets/stylesheets/application.scss.erb

@@ -3095,3 +3095,7 @@ script.data-gratipay-username {
     display: inline;
     float: left;
 }
+
+.inline {
+  display: inline-block;
+}

app/controllers/notifications_controller.rb

@@ -54,6 +54,28 @@ class NotificationsController < ApplicationController
     end
   end
 
+  def unsubscribe
+    # TODO will a logged out user be unsubscribed after logging in?
+    # need to use devise stored_url or whatever
+    if current_user.nil?
+      return redirect_to sign_in_path, notice: 'Continue to unsubscribe from emails by logging in.'
+    end
+
+    if current_user.emails_allowed == false
+      return redirect_to edit_user_path(current_user), notice: 'You were already unsubscribed from emails.'
+    end
+
+    current_user.emails_allowed = false
+    success = current_user.save
+
+    if success
+      redirect_to edit_user_path(current_user), notice: 'You will no longer receive emails from Metamaps.'
+    else
+      flash[:alert] = 'Sorry, something went wrong. You have not been unsubscribed from emails.'
+      redirect_to edit_user_path(current_user)
+    end
+  end
+
   private
 
   def set_receipts

app/controllers/users_controller.rb

@@ -13,13 +13,12 @@ class UsersController < ApplicationController
 
   # GET /users/:id/edit
   def edit
-    @user = current_user
-    respond_with(@user)
+    @user = User.find(current_user.id)
   end
 
   # PUT /users/:id
   def update
-    @user = current_user
+    @user = User.find(current_user.id)
 
     if user_params[:password] == '' && user_params[:password_confirmation] == ''
       # not trying to change the password
@@ -96,6 +95,6 @@ class UsersController < ApplicationController
   private
 
   def user_params
-    params.require(:user).permit(:name, :email, :image, :password, :password_confirmation)
+    params.require(:user).permit(:name, :email, :image, :password, :password_confirmation, :emails_allowed)
   end
 end

app/views/users/edit.html.erb

@@ -33,23 +33,35 @@
     <div class="nameEdit"><%= @user.name %></div>
   </div>
   <div class="changeName">
-    <%= form.label :name, "Name:", :class => "firstFieldText" %>
-    <%= form.text_field :name  %>
+    <%= form.label :name, "Name:", class: 'firstFieldText' %>
+    <%= form.text_field :name %>
+  </div>
+  <div>
+    <%= form.label :email, "Email:", class: 'firstFieldText' %>
+    <%= form.email_field :email %>
+  </div>
+  <div>
+    <%= form.label :emails_allowed, class: 'firstFieldText' do %>
+      <%= form.check_box :emails_allowed, class: 'inline' %>
+      Send Metamaps notifications to my email.
+    <% end %>
   </div>
-  <div><%= form.label :email, "Email:", :class => "firstFieldText" %>
-  <%= form.email_field :email  %></div>
   <div class="changePass" onclick="Metamaps.Account.showPass()">Change Password</div>
   <div class="toHide">
-  <div>
-    <%= form.label :current_password, "Current Password:", :class => "firstFieldText" %>
-    <%= password_field_tag :current_password, params[:current_password] %>
+    <div>
+      <%= form.label :current_password, "Current Password:", :class => "firstFieldText" %>
+      <%= password_field_tag :current_password, params[:current_password] %>
+    </div>
+    <div>
+      <%= form.label :password, "New Password:", :class => "firstFieldText" %>
+      <%= form.password_field :password, :autocomplete => :off%>
+    </div>
+    <div>
+      <%= form.label :password_confirmation, "Confirm New Password:", :class => "firstFieldText" %>
+      <%= form.password_field :password_confirmation, :autocomplete => :off%>
+    </div>
+    <div class="noChangePass" onclick="Metamaps.Account.hidePass()">Oops, don't change password</div>
   </div>
-   <div><%= form.label :password, "New Password:", :class => "firstFieldText" %>
-  <%= form.password_field :password, :autocomplete => :off%></div>
-   <div><%= form.label :password_confirmation, "Confirm New Password:", :class => "firstFieldText" %>
-  <%= form.password_field :password_confirmation, :autocomplete => :off%></div>
-  <div class="noChangePass" onclick="Metamaps.Account.hidePass()">Oops, don't change password</div>
-</div>
   <div id="accountPageLoading"></div>
   <%= form.submit "Update", class: "update", onclick: "Metamaps.Account.showLoading()" %>
   <div class="clearfloat"></div>

config/routes.rb

@@ -50,6 +50,9 @@ Metamaps::Application.routes.draw do
 
   resources :messages, only: [:show, :create, :update, :destroy]
   resources :notifications, only: [:index, :show] do
+    collection do
+      get :unsubscribe
+    end
     member do
       put :mark_read
       put :mark_unread

db/migrate/20161125175229_add_emails_allowed_to_users.rb

@@ -0,0 +1,5 @@
+class AddEmailsAllowedToUsers < ActiveRecord::Migration[5.0]
+  def change
+    add_column :users, :emails_allowed, :boolean, default: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20161105160340) do
+ActiveRecord::Schema.define(version: 20161125175229) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -296,8 +296,8 @@ ActiveRecord::Schema.define(version: 20161105160340) do
     t.string   "password_salt",          limit: 255
     t.string   "persistence_token",      limit: 255
     t.string   "perishable_token",       limit: 255
-    t.datetime "created_at",                                      null: false
-    t.datetime "updated_at",                                      null: false
+    t.datetime "created_at",                                        null: false
+    t.datetime "updated_at",                                        null: false
     t.string   "code",                   limit: 8
     t.string   "joinedwithcode",         limit: 8
     t.text     "settings"
@@ -317,6 +317,7 @@ ActiveRecord::Schema.define(version: 20161105160340) do
     t.integer  "image_file_size"
     t.datetime "image_updated_at"
     t.integer  "generation"
+    t.boolean  "emails_allowed",                     default: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true, using: :btree
   end