Feat(invoice_custom_sections): use custom sections in pdf

app/controllers/api/v1/invoices_controller.rb

@@ -241,7 +241,7 @@ def render_invoice(invoice)
           json: ::V1::InvoiceSerializer.new(
             invoice,
             root_name: 'invoice',
-            includes: %i[customer subscriptions fees credits metadata applied_taxes error_details]
+            includes: %i[customer subscriptions fees credits metadata applied_taxes error_details applied_invoice_custom_sections]
           )
         )
       end

app/graphql/resolvers/invoice_custom_sections_resolver.rb

@@ -15,10 +15,13 @@ class InvoiceCustomSectionsResolver < Resolvers::BaseResolver
     type Types::InvoiceCustomSections::Object.collection_type, null: true
 
     def resolve(page: nil, limit: nil)
-      current_organization.invoice_custom_sections.left_outer_joins(:invoice_custom_section_selections).order(
-        Arel.sql('CASE WHEN invoice_custom_section_selections.id IS NOT NULL THEN 0 ELSE 1 END'),
-        :name
-      ).page(page).per(limit)
+      current_organization.invoice_custom_sections
+        .joins('LEFT JOIN invoice_custom_section_selections ON invoice_custom_sections.id = invoice_custom_section_selections.invoice_custom_section_id
+                AND invoice_custom_section_selections.customer_id is NULL')
+        .order(
+          Arel.sql('CASE WHEN invoice_custom_section_selections.id IS NOT NULL THEN 0 ELSE 1 END'),
+          :name
+        ).page(page).per(limit)
     end
   end
 end

app/models/customer.rb

@@ -134,7 +134,7 @@ def applicable_net_payment_term
   def applicable_invoice_custom_sections
     return [] if skip_invoice_custom_sections?
 
-    selected_invoice_custom_sections.presence || organization.selected_invoice_custom_sections
+    selected_invoice_custom_sections.order(:name).presence || organization.selected_invoice_custom_sections.order(:name)
   end
 
   def editable?

app/models/invoice_custom_section.rb

@@ -8,7 +8,9 @@ class InvoiceCustomSection < ApplicationRecord
   has_many :invoice_custom_section_selections, dependent: :destroy
 
   validates :name, presence: true
-  validates :code, presence: true, uniqueness: {scope: :organization_id}
+  validates :code,
+    presence: true,
+    uniqueness: {conditions: -> { where(deleted_at: nil) }, scope: :organization_id}
 
   default_scope -> { kept }
 

app/serializers/v1/invoice_custom_section_serializer.rb

@@ -10,7 +10,7 @@ def serialize
         description: model.description,
         details: model.details,
         display_name: model.display_name,
-        selected_for_organization: model.selected_for_organization?,
+        applied_for_organization: model.selected_for_organization?,
         organization: {
           lago_id: model.organization_id
         }

app/serializers/v1/invoice_serializer.rb

@@ -39,6 +39,7 @@ def serialize
       payload.merge!(applied_taxes) if include?(:applied_taxes)
       payload.merge!(error_details) if include?(:error_details)
       payload.merge!(applied_usage_thresholds) if model.progressive_billing?
+      payload.merge!(applied_invoice_custom_sections) if include?(:applied_invoice_custom_sections)
 
       payload
     end
@@ -112,5 +113,13 @@ def applied_usage_thresholds
         collection_name: 'applied_usage_thresholds'
       ).serialize
     end
+
+    def applied_invoice_custom_sections
+      ::CollectionSerializer.new(
+        model.applied_invoice_custom_sections,
+        ::V1::Invoices::AppliedInvoiceCustomSectionSerializer,
+        collection_name: 'applied_invoice_custom_sections'
+      ).serialize
+    end
   end
 end

app/serializers/v1/invoices/applied_invoice_custom_section_serializer.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module V1
+  module Invoices
+    class AppliedInvoiceCustomSectionSerializer < ModelSerializer
+      def serialize
+        {
+          lago_id: model.id,
+          lago_invoice_id: model.invoice_id,
+          code: model.code,
+          details: model.details,
+          display_name: model.display_name,
+          created_at: model.created_at.iso8601
+        }
+      end
+    end
+  end
+end

app/views/templates/invoices/v3.slim

@@ -425,6 +425,9 @@ html
         - else
           == SlimHelper.render('templates/invoices/v3/_subscriptions_summary', self)
 
+
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v3/_custom_sections', self)
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
 
       .powered-by

app/views/templates/invoices/v3/_custom_sections.slim

@@ -0,0 +1,15 @@
+css:
+  .invoice-custom-section {
+    margin-top: 24px;
+    border-bottom: 1px solid #D9DEE7;
+  }
+
+  .invoice-custom-section p.section-name {
+    margin-bottom: 8px;
+  }
+
+.invoice-custom-sections.body-3.mb-24
+  - applied_invoice_custom_sections.each do |section|
+    .invoice-custom-section
+      p.body-1.section-name = section.display_name
+      p.body-3.mb-24 = LineBreakHelper.break_lines(section.details)

app/views/templates/invoices/v3/charge.slim

@@ -473,6 +473,9 @@ html
             td.body-1 = advance_charges? ? I18n.t('invoice.already_paid') : I18n.t('invoice.total_due')
             td.body-1 = MoneyHelper.format(total_amount)
 
+
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v3/_custom_sections', self)
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
 
       .powered-by

app/views/templates/invoices/v3/one_off.slim

@@ -457,6 +457,9 @@ html
             td.body-1 = MoneyHelper.format(total_amount)
 
 
+
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v3/_custom_sections', self)
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
 
       .powered-by

app/views/templates/invoices/v4.slim

@@ -144,6 +144,9 @@ html
 
 
       /* ----------------------- variable ----------------------- */
+      :root {
+        --border-color: #D9DEE7;
+      }
 
       @font-face {
         font-family: 'Inter var';
@@ -245,7 +248,7 @@ html
         color: #66758F;
       }
       .invoice-resume-table tr {
-        border-bottom: 1px solid #D9DEE7;
+        border-bottom: 1px solid var(--border-color);
       }
       .invoice-resume-table tr td {
         padding-top: 8px;
@@ -284,12 +287,12 @@ html
         width: 50%;
       }
       .invoice-resume .total-table tr:not(:last-child) td:nth-child(2) {
-        border-bottom: 1px solid #D9DEE7;
+        border-bottom: 1px solid var(--border-color);
         text-align: left;
         width: 35%;
       }
       .invoice-resume .total-table tr:not(:last-child) td:nth-child(3) {
-        border-bottom: 1px solid #D9DEE7;
+        border-bottom: 1px solid var(--border-color);
         text-align: right;
         width: 15%;
       }
@@ -320,10 +323,10 @@ html
         text-align: right;
       }
       .breakdown-details-table tr td {
-        border-bottom: 1px solid #d9dee7;
+        border-bottom: 1px solid var(--border-color);
       }
       .breakdown-details-table tr:first-child td {
-        border-top: 1px solid #d9dee7;
+        border-top: 1px solid var(--border-color);
       }
 
       .powered-by {
@@ -365,7 +368,7 @@ html
       }
       .invoice-resume-table tr.details.subtotal td {
         padding-bottom: 8px;
-        border-bottom: 1px solid #d9dee7;
+        border-bottom: 1px solid var(--border-color);
         color: #19212e;
       }
 
@@ -463,6 +466,9 @@ html
           - applied_usage_threshold = applied_usage_thresholds.order(created_at: :asc).last
           = I18n.t('invoice.reached_usage_threshold', usage_amount: MoneyHelper.format(applied_usage_threshold.lifetime_usage_amount), threshold_amount: MoneyHelper.format(applied_usage_threshold.passed_threshold_amount))
 
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v4/_custom_sections', self)
+
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
 
       .powered-by

app/views/templates/invoices/v4/_custom_sections.slim

@@ -0,0 +1,15 @@
+css:
+  .invoice-custom-section {
+    margin-top: 24px;
+    border-bottom: 1px solid #D9DEE7;
+  }
+
+  .invoice-custom-section p.section-name {
+      margin-bottom: 8px;
+  }
+
+.invoice-custom-sections.body-3.mb-24
+  - applied_invoice_custom_sections.each do |section|
+    .invoice-custom-section
+      p.body-1.section-name = section.display_name
+      p.body-3.mb-24 = LineBreakHelper.break_lines(section.details)

app/views/templates/invoices/v4/charge.slim

@@ -560,6 +560,9 @@ html
 
       == SlimHelper.render('templates/invoices/v4/_eu_tax_management', self)
 
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v4/_custom_sections', self)
+
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
 
       .powered-by

app/views/templates/invoices/v4/one_off.slim

@@ -465,6 +465,9 @@ html
 
       == SlimHelper.render('templates/invoices/v4/_eu_tax_management', self)
 
+      - if applied_invoice_custom_sections.present?
+        == SlimHelper.render('templates/invoices/v4/_custom_sections', self)
+
       p.body-3.mb-24 = LineBreakHelper.break_lines(organization.invoice_footer)
       .powered-by
         span.body-2

spec/graphql/resolvers/invoice_custom_sections_resolver_spec.rb

@@ -31,13 +31,14 @@
 
   before do
     organization.selected_invoice_custom_sections.concat(invoice_custom_sections[2..4])
+    customer.selected_invoice_custom_sections.concat(invoice_custom_sections[0..1])
   end
 
   it_behaves_like 'requires current user'
   it_behaves_like 'requires current organization'
   it_behaves_like 'requires permission', 'invoice_custom_sections:view'
 
-  it 'returns a list of sorted invoice_custom_sections: alphabetical, selected first' do
+  it 'returns a list of sorted invoice_custom_sections: alphabetical, selected first without duplicates' do
     result = execute_graphql(
       current_user: membership.user,
       current_organization: organization,

spec/models/customer_spec.rb

@@ -433,8 +433,8 @@
     context 'when customer does not have any selected_invoice_custom_sections but organization has' do
       before { organization.selected_invoice_custom_sections << organization_section }
 
-      it 'returns the organization\'s invoice_custom_sections' do
-        expect(customer.applicable_invoice_custom_sections).to eq([organization_section])
+      it "returns the organization's invoice_custom_sections" do
+        expect(customer.applicable_invoice_custom_sections).to match_array([organization_section])
       end
     end
 

spec/requests/api/v1/customers_controller_spec.rb

@@ -266,7 +266,7 @@
           sections = json[:customer][:applicable_invoice_custom_sections]
           expect(sections).to be_present
           expect(sections.length).to eq(2)
-          expect(sections.map { |sec| sec[:code] }).to eq(invoice_custom_sections.map(&:code))
+          expect(sections.map { |sec| sec[:code] }).to match_array(invoice_custom_section_codes)
         end
       end
 

spec/requests/api/v1/invoices_controller_spec.rb

@@ -177,7 +177,8 @@
           customer: Hash,
           subscriptions: [],
           credits: [],
-          applied_taxes: []
+          applied_taxes: [],
+          applied_invoice_custom_sections: []
         )
         expect(json[:invoice][:fees].first).to include(lago_charge_filter_id: charge_filter.id)
       end

spec/serializers/v1/invoice_custom_section_serializer_spec.rb

@@ -18,7 +18,7 @@
         'description' => invoice_custom_section.description,
         'details' => invoice_custom_section.details,
         'display_name' => invoice_custom_section.display_name,
-        'selected_for_organization' => invoice_custom_section.selected_for_organization?,
+        'applied_for_organization' => invoice_custom_section.selected_for_organization?,
         'organization' => {
           'lago_id' => invoice_custom_section.organization_id
         }

spec/serializers/v1/invoices/applied_invoice_custom_section_serializer_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe V1::Invoices::AppliedInvoiceCustomSectionSerializer, type: :serializer do
+  subject(:serializer) { described_class.new(applied_invoice_custom_section) }
+
+  let(:invoice) { create(:invoice) }
+  let(:applied_invoice_custom_section) do
+    create(:applied_invoice_custom_section,
+      invoice:,
+      code: 'custom_code',
+      details: 'custom_details',
+      display_name: 'Custom Display Name',
+      created_at: Time.current)
+  end
+
+  describe '#serialize' do
+    it 'serializes the applied invoice custom section correctly' do
+      serialized_data = serializer.serialize
+
+      expect(serialized_data).to include(
+        lago_id: applied_invoice_custom_section.id,
+        lago_invoice_id: applied_invoice_custom_section.invoice_id,
+        code: 'custom_code',
+        details: 'custom_details',
+        display_name: 'Custom Display Name',
+        created_at: applied_invoice_custom_section.created_at.iso8601
+      )
+    end
+  end
+end

spec/services/invoices/refresh_draft_service_spec.rb

@@ -218,7 +218,7 @@
 
       it 'creates new applied_invoice_custom_sections' do
         expect { refresh_service.call }.to change { invoice.reload.applied_invoice_custom_sections.count }.from(2).to(3)
-        expect(invoice.applied_invoice_custom_sections.map(&:code)).to match(customer.selected_invoice_custom_sections.map(&:code))
+        expect(invoice.applied_invoice_custom_sections.map(&:code)).to match_array(customer.selected_invoice_custom_sections.map(&:code))
       end
     end