FEATURE: Can edit category/host relationships for embedding

db/migrate/20150818190757_create_embeddable_hosts.rb

@@ -0,0 +1,33 @@
+class CreateEmbeddableHosts < ActiveRecord::Migration
+  def change
+    create_table :embeddable_hosts, force: true do |t|
+      t.string :host, null: false
+      t.integer :category_id, null: false
+      t.timestamps
+    end
+
+    category_id = execute("SELECT c.id FROM categories AS c
+                        INNER JOIN site_settings AS s ON s.value = c.name
+                        WHERE s.name = 'embed_category'")[0]['id'].to_i
+
+
+    if category_id == 0
+      category_id = execute("SELECT value FROM site_settings WHERE name = 'uncategorized_category_id'")[0]['value'].to_i
+    end
+
+    embeddable_hosts = execute("SELECT value FROM site_settings WHERE name = 'embeddable_hosts'")
+    if embeddable_hosts && embeddable_hosts.cmd_tuples > 0
+      val = embeddable_hosts[0]['value']
+      if val.present?
+        records = val.split("\n")
+        if records.present?
+          records.each do |h|
+            execute "INSERT INTO embeddable_hosts (host, category_id, created_at, updated_at) VALUES ('#{h}', #{category_id}, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)"
+          end
+        end
+      end
+    end
+
+    execute "DELETE FROM site_settings WHERE name IN ('embeddable_hosts', 'embed_category')"
+  end
+end