coupon code

Gemfile.lock

@@ -7,10 +7,10 @@ GIT
 
 GIT
   remote: https://github.com/hotwired/turbo-rails.git
-  revision: e376852bfb273f69f4ebb54cf516b99fcbaa7acb
+  revision: 9b17a3be3705786d72c3ae77fde5a9b3006555d7
   branch: main
   specs:
-    turbo-rails (2.0.5)
+    turbo-rails (2.0.6)
       actionpack (>= 6.0.0)
       activejob (>= 6.0.0)
       railties (>= 6.0.0)
@@ -319,7 +319,7 @@ GEM
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
     io-console (0.7.2)
-    irb (1.13.2)
+    irb (1.14.0)
       rdoc (>= 4.0.0)
       reline (>= 0.4.2)
     jbuilder (2.11.5)
@@ -457,7 +457,7 @@ GEM
     qdrant-ruby (0.9.3)
       faraday (>= 2.0.1, < 3)
     racc (1.8.0)
-    rack (3.1.6)
+    rack (3.1.7)
     rack-protection (3.0.6)
       rack
     rack-session (2.0.0)

app/controllers/coupons_controller.rb

@@ -0,0 +1,53 @@
+class CouponsController < ApplicationController
+  before_action :authenticate_user!
+  before_action :set_coupon, only: [:show, :edit, :update, :destroy]
+
+  def index
+    @profile = User.find_by(username: params[:id] || params[:user_id])
+
+    @coupons = current_user.coupons
+  end
+
+  def show
+  end
+
+  def new
+    @coupon = current_user.coupons.new
+  end
+
+  def create
+    @coupon = current_user.coupons.new(coupon_params)
+
+    if @coupon.save
+      redirect_to user_coupon_path(current_user.username, @coupon), notice: 'Coupon was successfully created.'
+    else
+      render :new, status: 422
+    end
+  end
+
+  def edit
+  end
+
+  def update
+    if @coupon.update(coupon_params)
+      redirect_to user_coupon_path(current_user.username, @coupon), notice: 'Coupon was successfully updated.'
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @coupon.destroy
+    redirect_to user_coupons_path(current_user.username), notice: 'Coupon was successfully destroyed.'
+  end
+
+  private
+
+  def set_coupon
+    @coupon = current_user.coupons.find(params[:id])
+  end
+
+  def coupon_params
+    params.require(:coupon).permit(:code, :discount_type, :discount_amount, :expires_at)
+  end
+end

app/controllers/product_checkout_controller.rb

@@ -25,7 +25,7 @@ def create
       product.product_shippings.pluck(:country)
     end.uniq
 
-    session = Stripe::Checkout::Session.create({
+    checkout_params = {
       payment_method_types: ['card'],
       line_items: cart_items,
       mode: 'payment',
@@ -45,7 +45,24 @@ def create
         enabled: true
       },
       shipping_options: generate_shipping_options,
-    })
+    }
+
+    if params[:promo_code].present?
+      checkout_params.merge!({discounts: [{ coupon: params[:promo_code] }]}) 
+
+      @cart.product_cart_items.map(&:product).each do |product|
+        redirect_to( "/product_cart", notice: "Invalid promo code") and return if product.coupon&.code != params[:promo_code]
+      end
+    end
+
+    # allow_promotion_codes: @product&.coupon.exists?,  
+
+    begin
+    session = Stripe::Checkout::Session.create(checkout_params)
+    rescue Stripe::InvalidRequestError => e
+      redirect_to "/product_cart", notice: e 
+      return
+    end
 
     @purchase.update(stripe_session_id: session.id)
     redirect_to session.url, allow_other_host: true

app/controllers/products_controller.rb

@@ -79,7 +79,7 @@ def destroy
   private
 
   def set_product
-    @product = Product.friendly.find(params[:id])
+    @product = current_user.products.friendly.find(params[:id])
   end
 
   def authorize_user
@@ -90,19 +90,19 @@ def authorize_user
 
   def product_params
     params.require(:product).permit(
-      :title,
-    :limited_edition, :limited_edition_count, :include_digital_album, :visibility, 
-    :name_your_price, :shipping_days, :shipping_begins_on, :shipping_within_country_price, 
-    :shipping_worldwide_price, :quantity, :playlist_id,
-    :title, :description, :price, :sku, :category, :status, :stock_quantity,
-    :limited_edition, :limited_edition_count, :include_digital_album,
-    :visibility, :name_your_price, :shipping_days, :shipping_begins_on,
-    :shipping_within_country_price, :shipping_worldwide_price, :quantity,
-    :shipping_days,
-    images: [], product_variants_attributes: [:id, :name, :price, :stock_quantity, :_destroy],
-    product_options_attributes: [:id, :name, :quantity, :sku, :_destroy],
-    product_images_attributes: [:id, :name, :description, :image, :_destroy],
-    product_shippings_attributes: [:id, :country, :base_cost, :additional_cost, :_destroy]
+      :title, :coupon_id,
+      :limited_edition, :limited_edition_count, :include_digital_album, :visibility, 
+      :name_your_price, :shipping_days, :shipping_begins_on, :shipping_within_country_price, 
+      :shipping_worldwide_price, :quantity, :playlist_id,
+      :title, :description, :price, :sku, :category, :status, :stock_quantity,
+      :limited_edition, :limited_edition_count, :include_digital_album,
+      :visibility, :name_your_price, :shipping_days, :shipping_begins_on,
+      :shipping_within_country_price, :shipping_worldwide_price, :quantity,
+      :shipping_days,
+      images: [], product_variants_attributes: [:id, :name, :price, :stock_quantity, :_destroy],
+      product_options_attributes: [:id, :name, :quantity, :sku, :_destroy],
+      product_images_attributes: [:id, :name, :description, :image, :_destroy],
+      product_shippings_attributes: [:id, :country, :base_cost, :additional_cost, :_destroy]
     )
   end
 end

app/helpers/coupons_helper.rb

@@ -0,0 +1,2 @@
+module CouponsHelper
+end

app/models/coupon.rb

@@ -0,0 +1,51 @@
+# app/models/coupon.rb
+class Coupon < ApplicationRecord
+  belongs_to :user
+  has_many :products
+
+  validates :code, presence: true, uniqueness: true
+  validates :discount_type, presence: true
+  validates :discount_amount, presence: true, numericality: { greater_than: 0 }
+  validates :expires_at, presence: true
+
+  enum discount_type: { percentage: 'percentage', fixed_amount: 'fixed_amount' }
+
+  scope :active, -> { where('expires_at > ?', Time.current) }
+
+  after_create :create_stripe_coupon
+  before_destroy :delete_stripe_coupon
+
+  def active?
+    expires_at > Time.current
+  end
+
+  private
+
+  def create_stripe_coupon
+    stripe_coupon = if percentage?
+      Stripe::Coupon.create({
+        percent_off: discount_amount,
+        duration: 'once',
+        id: code
+      })
+    else
+      Stripe::Coupon.create({
+        amount_off: (discount_amount * 100).to_i, # Convert to cents
+        currency: 'usd',
+        duration: 'once',
+        id: code
+      })
+    end
+
+    update(stripe_id: stripe_coupon.id)
+  rescue Stripe::StripeError => e
+    errors.add(:base, "Stripe error: #{e.message}")
+    throw :abort
+  end
+
+  def delete_stripe_coupon
+    Stripe::Coupon.delete(stripe_id) if stripe_id.present?
+  rescue Stripe::StripeError => e
+    Rails.logger.error "Failed to delete Stripe coupon: #{e.message}"
+  end
+end

app/models/product.rb

@@ -6,6 +6,10 @@ class Product < ApplicationRecord
 
   belongs_to :user
   belongs_to :album, class_name: 'Playlist', optional: true, foreign_key: :playlist_id
+
+  belongs_to :coupon, optional: true
+
+
   has_many :product_variants, dependent: :destroy
   has_many :product_options, dependent: :destroy
   has_many :product_images

app/models/user.rb

@@ -24,6 +24,7 @@ class User < ApplicationRecord
   has_many :comments
   has_one :podcaster_info
   has_many :products
+  has_many :coupons
 
   has_many :product_purchases
 

app/views/coupons/_coupon.erb

@@ -0,0 +1,20 @@
+<tr>
+  <td class="whitespace-nowrap py-4 pl-4 pr-3 text-sm font-medium text-default sm:pl-0">
+    <%= coupon.code %>
+  </td>
+  <td class="whitespace-nowrap py-4 pl-4 pr-3 text-sm font-medium text-default sm:pl-0">
+    <%= coupon.discount_type.titleize %>
+  </td>
+  <td class="whitespace-nowrap py-4 pl-4 pr-3 text-sm font-medium text-default sm:pl-0">
+    <%= number_to_currency(coupon.discount_amount) %>
+  </td>
+  <td class="whitespace-nowrap py-4 pl-4 pr-3 text-sm font-medium text-default sm:pl-0">
+    <%= coupon.expires_at.strftime("%B %d, %Y at %I:%M %p") %>
+  </td>
+  <td class="whitespace-nowrap py-4 pl-4 pr-3 text-sm font-medium text-default sm:pl-0">
+
+    <%= link_to 'View', user_coupon_path(current_user.username, coupon), class: 'btn btn-sm btn-info' %>
+    <%= link_to 'Edit', edit_user_coupon_path(current_user.username, coupon), class: 'btn btn-sm btn-warning' %>
+    <%= link_to 'Delete', user_coupon_path(current_user.username, coupon), method: :delete, data: { turbo_method: :delete, turbo_confirm: 'Are you sure?' }, class: 'btn btn-sm btn-danger' %>
+  </td>
+</tr>

app/views/coupons/_form.html.erb

@@ -0,0 +1,18 @@
+<!-- app/views/coupons/_form.html.erb -->
+<%= form_with(model: coupon, url: coupon.new_record? ? user_coupons_path(current_user.username) : user_coupon_path(current_user.username, coupon), local: true, data: {turbo_frame: "_top"}) do |form| %>
+
+  <div class="field space-y-2">
+    <%= form.text_field :code, class: 'form-control' %>
+  
+    <%= form.label :discount_type %>
+    <%= form.select :discount_type, Coupon.discount_types.keys.map { |type| [type.titleize, type] }, {}, class: 'form-control' %>
+
+    <%= form.number_field :discount_amount, step: 0.01, class: 'form-control' %>
+
+    <%= form.label :expires_at %>
+    <%= form.datetime_local_field :expires_at, class: 'form-control' %>
+  
+    <%= form.submit class: 'btn btn-primary' %>
+  </div>
+
+<% end %>

app/views/coupons/edit.html.erb

@@ -0,0 +1,10 @@
+<div class="space-y-2 mx-auto max-w-lg">
+
+  <h1 class="text-lg">Edit Coupon</h1>
+
+  <%= render 'form', coupon: @coupon %>
+
+  <%= link_to 'Show', user_coupon_path(current_user.username, @coupon), class: 'btn btn-info' %> |
+  <%= link_to 'Back to Coupons', user_coupons_path(current_user.username), class: 'btn btn-secondary' %>
+
+</div>

app/views/coupons/index.html.erb

@@ -0,0 +1,56 @@
+
+<div class="bg-default">
+  <div class="mx-auto max-w-2xl px-4 py-16 sm:px-6 sm:py-24 lg:max-w-7xl lg:px-8">
+
+    <div class="flex items-center justify-between">
+      <h2 class="text-xl font-bold text-default">
+        <%= link_to user_path(current_user.username), class: "text-brand-600 flex items-center space-x-2" do %>
+          <%= heroicon("chevron-left") %>
+          <%= current_user.username %>
+        <% end %>
+        Coupons
+      </h2>
+
+      <div class="mt-6 mb-8">
+        <%= link_to 'New Coupon', new_user_coupon_path(current_user.username), 
+          class: 'button-sm-outline' %>
+      </div>
+    </div>
+
+
+
+    <% if current_user == @profile %>
+      <nav class="-mb-px flex space-x-8 text-2xl items-center" aria-label="Tabs">
+        <%= link_to "Products", user_products_path(current_user.username), class: "tab-default" %>
+        <%= link_to "Coupons", user_coupons_path(current_user.username), class: "tab-active" %>
+      </nav>
+    <% end %>
+
+
+    <div class="mt-4">
+
+      <table class="min-w-full divide-y divide-subtle">
+        <thead>
+          <tr>
+            <th class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-default sm:pl-0">Code</th>
+            <th class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-default sm:pl-0">Discount Type</th>
+            <th class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-default sm:pl-0">Discount Amount</th>
+            <th class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-default sm:pl-0">Expires At</th>
+            <th class="py-3.5 pl-4 pr-3 text-left text-sm font-semibold text-default sm:pl-0">Actions</th>
+          </tr>
+        </thead>
+
+        <tbody class="divide-y divide-muted">
+          <% @coupons.each do |coupon| %>
+            <%= render "coupon", coupon: coupon %>
+          <% end %>
+        </tbody>
+      </table>
+
+    </div>
+
+    <% if @coupons.blank? %>
+      <p class="p-4 text-muted">No coupons found</p>
+    <% end %>
+  </div>
+</div>

app/views/coupons/new.html.erb

@@ -0,0 +1,10 @@
+
+<div class="space-y-2 mx-auto max-w-lg">
+
+  <h1 class="text-lg">New Coupon</h1>
+
+  <%= render 'form', coupon: @coupon %>
+
+  <%= link_to 'Back to Coupons', user_coupons_path(current_user.username), class: 'btn btn-secondary' %>
+
+</div>