user upgrades: factor out gold/platinum prices.

app/controllers/user_upgrades_controller.rb

@@ -30,13 +30,13 @@ class UserUpgradesController < ApplicationController
 
     if params[:desc] == "Upgrade to Gold"
       level = User::Levels::GOLD
-      cost = 2000
+      cost = UserUpgrade.gold_price
     elsif params[:desc] == "Upgrade to Platinum"
       level = User::Levels::PLATINUM
-      cost = 4000
+      cost = UserUpgrade.platinum_price
     elsif params[:desc] == "Upgrade Gold to Platinum" && @user.level == User::Levels::GOLD
       level = User::Levels::PLATINUM
-      cost = 2000
+      cost = UserUpgrade.upgrade_price
     else
       raise "Invalid desc"
     end

app/helpers/user_upgrades_helper.rb

@@ -18,4 +18,8 @@ module UserUpgradesHelper
 
     raw(html)
   end
+
+  def cents_to_usd(cents)
+    number_to_currency(cents / 100, precision: 0)
+  end
 end

app/logical/user_upgrade.rb

@@ -0,0 +1,13 @@
+class UserUpgrade
+  def self.gold_price
+    2000
+  end
+
+  def self.platinum_price
+    4000
+  end
+
+  def self.upgrade_price
+    2000
+  end
+end

app/views/user_upgrades/_stripe_payment.html.erb

@@ -2,10 +2,10 @@
   <p>You can pay with a credit or debit card. Safebooru uses <a href="https://www.stripe.com">Stripe</a> as a payment intermediary so none of your personal information will be stored on the site.</p>
 
   <% if user.level < User::Levels::GOLD %>
-    <%= stripe_button("Upgrade to Gold", 2000, user) %>
-    <%= stripe_button("Upgrade to Platinum", 4000, user) %>
+    <%= stripe_button("Upgrade to Gold", UserUpgrade.gold_price, user) %>
+    <%= stripe_button("Upgrade to Platinum", UserUpgrade.platinum_price, user) %>
   <% elsif user.level < User::Levels::PLATINUM %>
-    <%= stripe_button("Upgrade Gold to Platinum", 2000, user) %>
+    <%= stripe_button("Upgrade Gold to Platinum", UserUpgrade.upgrade_price, user) %>
   <% end %>
 </div>
 

app/views/user_upgrades/new.html.erb

@@ -23,8 +23,14 @@
             <tr>
               <td>Cost</td>
               <td>Free</td>
-              <td>$20<div class="fineprint">One time fee</div></td>
-              <td>$40<div class="fineprint">One time fee</div></td>
+              <td>
+                <%= cents_to_usd(UserUpgrade.gold_price) %>
+                <div class="fineprint">One time fee</div>
+              </td>
+              <td>
+                <%= cents_to_usd(UserUpgrade.platinum_price) %>
+                <div class="fineprint">One time fee</div>
+              </td>
             </tr>
             <tr>
               <td>Tag Limit</td>

app/views/users/_upgrade_notice.html.erb

@@ -1,4 +1,4 @@
 <div class="notice notice-info notice-large" id="upgrade-account-notice">
-  <h2><%= link_to "Upgrade your account for only $20!", new_user_upgrade_path, id: "goto-upgrade-account" %></h2>
+  <h2><%= link_to "Upgrade your account for only #{cents_to_usd(UserUpgrade.gold_price)}!", new_user_upgrade_path, id: "goto-upgrade-account" %></h2>
   <div><%= link_to "No thanks", "#", id: "hide-upgrade-account-notice" %></div>
 </div>