Get settings page working.

app/controllers/admin_controller.rb

@@ -3,7 +3,13 @@ class AdminController < ApplicationController
   end
 
   def update
-    # respond to form data...
+    if !params[:settings].nil?
+      params[:settings].each do |key, value|
+        ## assert in list of valid settings...
+        ## only if changed (i.e. not equal to get)
+        AdminSetting.set(key, value)
+      end
+    end
     render 'index'
   end
 end

app/helpers/admin_helper.rb

@@ -1,8 +1,8 @@
 module AdminHelper
   SETTINGS = [
-    {:key => :site_name,   :label => 'Site name'},
-    {:key => :corporation, :label => 'Corporation'},
-    {:key => :description, :label => 'Home page description', :textarea => true},
-    {:key => :copyright,   :label => 'Copyright'},
+    {:key => 'site_name',   :label => 'Site name'},
+    {:key => 'corporation', :label => 'Corporation'},
+    {:key => 'description', :label => 'Home page description', :textarea => true},
+    {:key => 'copyright',   :label => 'Copyright'},
   ]
 end

app/models/admin_setting.rb

@@ -7,10 +7,7 @@ class AdminSetting < ActiveRecord::Base
   end
 
   def self.set(key, value)
-    setting = self.find_by(key: key)
-    setting.update(value: value)
-    Rails.cache.write("admin_setting/#{key}") do
-      value
-    end
+    self.find_by(key: key).update(value: value)
+    Rails.cache.write("admin_setting/#{key}", value)
   end
 end

app/views/admin/index.html.erb

@@ -8,11 +8,11 @@
   <table>
     <% AdminHelper::SETTINGS.each do |s| %>
       <tr>
-        <td><%= label_tag(s[:key], s[:label]) %></td>
+        <td><%= label_tag("settings[#{s[:key]}]", s[:label]) %></td>
         <% if s[:textarea] %>
-          <td><%= text_area_tag(s[:key], AdminSetting.get(s[:key].to_s), size: "60x5") %></td>
+          <td><%= text_area_tag("settings[#{s[:key]}]", AdminSetting.get(s[:key]), size: "60x5") %></td>
         <% else %>
-          <td><%= text_field_tag(s[:key], AdminSetting.get(s[:key].to_s), size: 40) %></td>
+          <td><%= text_field_tag("settings[#{s[:key]}]", AdminSetting.get(s[:key]), size: 40) %></td>
         <% end %>
       </tr>
     <% end %>

db/seeds.rb

@@ -6,7 +6,7 @@
 #   cities = City.create([{ name: 'Chicago' }, { name: 'Copenhagen' }])
 #   Mayor.create(name: 'Emanuel', city: cities.first)
 
-AdminSetting.create(key: 'site_name',   value: 'Your Corporation')
+AdminSetting.create(key: 'site_name',   value: 'Your Corporation Site')
 AdminSetting.create(key: 'corporation', value: 'Your Corporation')
 AdminSetting.create(key: 'description', value: 'Your corporation\'s description goes here!')
 AdminSetting.create(key: 'copyright',   value: 'Your Corporation/Your Name')