Add slug to Book model

app/views/books/index.json.jbuilder

@@ -3,5 +3,5 @@
 json.key_format! :camelize => :lower
 
 json.books do
-  json.array!(@books, :id, :sequence, :title, :en_title, :en_short_summary, :en_synopsis, :artwork_url, :number_of_chapters_released)
+  json.array!(@books, :id, :sequence, :title, :en_title, :en_short_summary, :en_synopsis, :artwork_url, :number_of_chapters_released, :slug)
 end

db/migrate/20240214064320_add_slug_to_books.rb

@@ -0,0 +1,39 @@
+class AddSlugToBooks < ActiveRecord::Migration[7.0]
+  def change
+    add_column :books, :slug, :string
+    add_index :books, :slug, :unique => true
+
+    reversible do |dir|
+      dir.up do
+        slug_mappings = [
+          { :id => 1, :slug => 'nanak-prakash-purbardh' },
+          { :id => 2, :slug => 'nanak-prakash-utrardh' },
+          { :id => 3, :slug => 'raas-1' },
+          { :id => 4, :slug => 'raas-2' },
+          { :id => 5, :slug => 'raas-3' },
+          { :id => 6, :slug => 'raas-4' },
+          { :id => 7, :slug => 'raas-5' },
+          { :id => 8, :slug => 'raas-6' },
+          { :id => 9, :slug => 'raas-7' },
+          { :id => 10, :slug => 'raas-8' },
+          { :id => 11, :slug => 'raas-9' },
+          { :id => 12, :slug => 'raas-10' },
+          { :id => 13, :slug => 'raas-11' },
+          { :id => 14, :slug => 'raas-12' },
+          { :id => 15, :slug => 'rut-1' },
+          { :id => 16, :slug => 'rut-2' },
+          { :id => 17, :slug => 'rut-3' },
+          { :id => 18, :slug => 'rut-4' },
+          { :id => 19, :slug => 'rut-5' },
+          { :id => 20, :slug => 'rut-6' },
+          { :id => 21, :slug => 'ayaan-1' },
+          { :id => 22, :slug => 'ayaan-2' }
+        ]
+
+        slug_mappings.each do |mapping|
+          Book.find_by(:id => mapping[:id])&.update(:slug => mapping[:slug])
+        end
+      end
+    end
+  end
+end