Add alert model

db/migrate/20251008063847_create_alerts.rb

@@ -0,0 +1,17 @@
+class CreateAlerts < ActiveRecord::Migration[8.0]
+  def change
+    create_table :alerts do |t|
+      t.string :category, null: false
+      t.text :description
+      t.string :park_code, null: false
+      t.string :title, null: false
+      t.string :url
+      t.timestamp :indexed_date
+
+      t.timestamps
+    end
+
+    add_index :alerts, :park_code
+    add_foreign_key :alerts, :parks, column: :park_code, primary_key: :code
+  end
+end

db/schema.rb

@@ -10,7 +10,19 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2025_10_08_044109) do
+ActiveRecord::Schema[8.0].define(version: 2025_10_08_063847) do
+  create_table "alerts", force: :cascade do |t|
+    t.string "category", null: false
+    t.text "description"
+    t.string "park_code", null: false
+    t.string "title", null: false
+    t.string "url"
+    t.datetime "indexed_date"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["park_code"], name: "index_alerts_on_park_code"
+  end
+
   create_table "parks", force: :cascade do |t|
     t.string "code", null: false
     t.string "name", null: false
@@ -20,4 +32,6 @@ ActiveRecord::Schema[8.0].define(version: 2025_10_08_044109) do
     t.datetime "updated_at", null: false
     t.index ["code"], name: "index_parks_on_code", unique: true
   end
+
+  add_foreign_key "alerts", "parks", column: "park_code", primary_key: "code"
 end