add template generator

lib/generators/snail_mail_template/snail_mail_template_generator.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class SnailMailTemplateGenerator < Rails::Generators::NamedBase
+  source_root File.expand_path('templates', __dir__)
+
+  desc "Generates a new snail mail template"
+
+  class_option :description, type: :string, default: "A mail template", desc: "Template description"
+  class_option :base_class, type: :string, default: "TemplateBase", desc: "Base class to inherit from (TemplateBase or HalfLetterComponent)"
+  class_option :size, type: :string, default: "full", desc: "Template size (full or half_letter)"
+
+  def create_template_file
+    @class_name = file_name.camelize + "Template"
+    @template_name = file_name.humanize.downcase
+    @description = options[:description]
+    @base_class = options[:base_class]
+    @size = options[:size]
+
+    template(
+      "template.rb.erb",
+      "app/lib/snail_mail/components/templates/#{file_name}_template.rb"
+    )
+  end
+
+  private
+
+  def file_name
+    name.underscore
+  end
+end

lib/generators/snail_mail_template/templates/template.rb.erb

@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+module SnailMail
+  module Components
+    module Templates
+      class <%= @class_name %> < <%= @base_class %>
+        def self.template_name
+          "<%= @template_name %>"
+        end
+
+        def self.template_description
+          "<%= @description %>"
+        end
+
+        def self.show_on_single?
+          true
+        end
+
+<% if @base_class == "HalfLetterComponent" %>
+        def self.template_size
+          :<%= @size %>
+        end
+
+        def render_front
+          # Add your front side template content here
+          font "arial" do
+            text_box "Hello from <%= @template_name %>!", 
+              size: 24, 
+              at: [0, bounds.top - 50], 
+              valign: :center, 
+              align: :center
+          end
+        end
+
+        def render_back
+          # Add your back side template content here (optional)
+        end
+<% else %>
+        def view_template
+          # Add your template content here
+          
+          # Example: Add an image
+          # image(
+          #   image_path("your-image.png"),
+          #   at: [x, y],
+          #   width: width,
+          # )
+
+          # Render return address
+          render_return_address(10, 278, 260, 70, size: 10)
+
+          # Render destination address
+          render_destination_address(
+            88,
+            166,
+            236,
+            71,
+            size: 16, 
+            valign: :bottom, 
+            align: :left
+          )
+
+          # Render postal elements
+          render_imb(240, 24, 183)
+          render_qr_code(5, 65, 60)
+          render_letter_id(10, 19, 10)
+          render_postage
+        end
+<% end %>
+      end
+    end
+  end
+end