Add unique index on people tmdb_id column

app/models/person.rb

@@ -7,6 +7,7 @@ class Person < ApplicationRecord
   scope :alphabetical, -> { order(name: :asc) }
 
   validates :name, presence: true
+  validates :tmdb_id, presence: true, uniqueness: true
 
   enum gender: { "Not specified" => 0, "Female" => 1, "Male" => 2, "Non-Binary" => 3 }
 

db/migrate/20241003013148_add_unique_index_on_peopld_tmdb_id.rb

@@ -0,0 +1,6 @@
+class AddUniqueIndexOnPeopldTmdbId < ActiveRecord::Migration[7.2]
+  def change
+    remove_index :people, :tmdb_id
+    add_index :people, :tmdb_id, unique: 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[7.0].define(version: 2021_05_14_120638) do
+ActiveRecord::Schema[7.2].define(version: 2024_10_03_013148) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -106,7 +106,7 @@
     t.datetime "updated_at", precision: nil, null: false
     t.tsvector "tsv"
     t.index ["name"], name: "index_people_on_name"
-    t.index ["tmdb_id"], name: "index_people_on_tmdb_id"
+    t.index ["tmdb_id"], name: "index_people_on_tmdb_id", unique: true
     t.index ["tsv"], name: "index_people_on_tsv", using: :gin
   end
 
@@ -156,5 +156,4 @@
     t.datetime "updated_at", precision: nil, null: false
     t.index ["media_type", "media_id"], name: "index_videos_on_media_type_and_media_id"
   end
-
 end

db/seeds.rb

@@ -2,7 +2,7 @@
 # The data can then be loaded with the rails db:seed command (or created alongside the database with db:setup).
 
 puts "Creating demo user ([email protected] / demo)...\n"
-Administrator.create!(email: "[email protected]", password: "demo", first_name: "Demo", last_name: "User")
+Administrator.create(email: "[email protected]", password: "demo", first_name: "Demo", last_name: "User")
 
 # Pages of movies / TV shows to fetch
 PAGES = ENV.fetch("PAGES") { 4 }.to_i