payment api

app/models/sale.rb

@@ -9,6 +9,8 @@ class Sale < ApplicationRecord
   has_many :sale_payments
   has_many :sale_orders
 
+  scope :open_invoices, -> { where("sale_status = 'new' and receipt_date BETWEEN '#{DateTime.now.utc.end_of_day}' AND '#{DateTime.now.utc.beginning_of_day}'") }
+
   def generate_invoice_from_booking(booking_id, requested_by)
     booking = Booking.find(booking_id)
     status = false
@@ -48,6 +50,7 @@ class Sale < ApplicationRecord
 
       self.requested_by = requested_by
       self.requested_at = DateTime.now.utc
+      self.customer_id = order.customer_id
 
       order = Order.find(order_no)
       Rails.logger.debug "Order -> #{order.id} | order_status -> #{order.status}"
@@ -90,7 +93,7 @@ class Sale < ApplicationRecord
       #this will result in multiple orders belonging in multiple invoices - because of spilt invoices.
       link_order_sale(item.order_id, taxable)
     end
-    
+
     #Update item status as billed
     order.update_items_status_to_billed(items)
 
@@ -134,10 +137,6 @@ class Sale < ApplicationRecord
     #save action to sale_audit
   end
 
-  def accept_payment (payment_method, amount, payment_ref, payment_external_result)
-
-  end
-
   def void_sales (void_by, reason, approval_code, request_by)
     #save sale_audit
     self.sale_status = "void"
@@ -161,7 +160,9 @@ class Sale < ApplicationRecord
     apply_tax (total_taxable)
     self.total_amount = subtotal_price
     self.total_discount = total_discount
-
+    self.grand_total = (self.total_amount - self.total_discount) + self.total_tax
+    #compute rounding adjustment
+    adjust_rounding
 
     self.save!
 
@@ -218,11 +219,16 @@ class Sale < ApplicationRecord
     #puts Time.now.format(":short")
   end
 
+  def adjust_rounding
+    self.grand_total
+    self.rounding_adjustment = 0.00
+  end
+
   #Generate new Receipt No when it is not assigned
   def generate_receipt_no
     #Date-Shift-
     if self.receipt_no.nil?
-      prefix = DateTime.now()
+      prefix = DateTime.now().utc
       #self.receipt_no = prefix.to_s + "/" + self.shit_id.to_s + "/" + SeedGenerator.new_receipt_no().to_s
       self.receipt_no = prefix.strftime("%Y%m%d") + "/" + SeedGenerator.new_receipt_no().to_s
 

app/models/sale_audit.rb

@@ -38,4 +38,14 @@ class SaleAudit < ApplicationRecord
     sale_audit.remark = reason
     sale_audit.save!
   end
+
+  def record_payment(sale_id, remark, action_by)
+    sale_audit = SaleAudit.new()
+    sale_audit.sale_id = sale_id
+    sale_audit.action = "SALEPAYMENT"
+    sale_audit.action_at = DateTime.now.utc
+    sale_audit.action_by = action_by
+    sale_audit.remark = remark
+    sale_audit.save!
+  end
 end

app/models/sale_payment.rb

@@ -1,3 +1,157 @@
 class SalePayment < ApplicationRecord
   belongs_to :sale
+
+  :attr_accessor :received_amount, :card_payment_reference, :vochure_no, :giftcard_no, :customer_id, :external_payment_status
+
+  def process_payment(invoice, action_by)
+    self.sale = invoice
+
+    amount_due = invoice.grand_total
+    #get all payment for this invoices
+    invoice.sale_payments.each do |payment|
+      if (payment.payment_status == "paid" )
+        amount_due = amount_due - payment.payment_amount
+      end
+    end
+
+    if (amount_due > 0)
+      payment_status = false
+      #route to payment type
+      switch (payment_method)
+        case "cash"
+          payment_status = cash_payment
+        case "creditnote"
+          payment_status = creditnote_payment
+        case "visa"
+          payment_status = external_terminal_card_payment(:visa)
+        case "master"
+          payment_status = external_terminal_card_payment(:master)
+        case "jcb"
+          payment_status = external_terminal_card_payment(:jcb)
+        case "mpu"
+          payment_status = external_terminal_card_payment(:mpu)
+        case "unionpay"
+          payment_status = external_terminal_card_payment(:unionpay)
+        case "vochure"
+          payment_status = vochure_payment
+        case "giftcard"
+          payment_status = giftcard_payment
+        case "paypar"
+          #TODO: implement paypar implementation
+          payment_status = paypar_payment
+      end
+
+
+
+      #record an payment in sale-audit
+      remark = "Payment #{payment_method}- for Invoice #{invoice.receipt_no} Due [#{amount_due}]| pay amount -> #{amount} | Payment Status ->#{payment_status}"
+      sale_audit = SaleAudit.record_payment(invoice.id, remark, action_by)
+
+      return true, self.sale
+    else
+      #record an payment in sale-audit
+      remark = "No outstanding Amount - Grand Total [#{invoice.grand_total}] | Due [#{amount_due}] | Paid [#{invoice.amount_received}]"
+      sale_audit = SaleAudit.record_payment(invoice.id, remark,action_by)
+
+      return false, "No outstanding Amount"
+    end
+
+  end
+
+  private
+  def cash_payment
+    payment_status = false
+
+    self.payment_method = "cash"
+    self.payment_amount = self.received_amount
+    self.outstanding_amount = self.sale.grand_total - received_amount
+    self.payment_status = "paid"
+    payment_method = self.save!
+
+    sale_update_payment_status(self.received_amount)
+
+    return payment_status
+  end
+
+  def creditnote_payment(self.customer_id)
+    payment_status = false
+
+    self.payment_method = "creditnote"
+    self.payment_amount = self.received_amount
+    self.customer_id  = self.customer_id
+    self.outstanding_amount = 0 - self.received_amount
+    self.payment_status = "outstanding"
+    payment_method = self.save!
+
+    sale_update_payment_status(self.received_amount)
+
+    return payment_status
+  end
+
+  def external_terminal_card_payment(method)
+    payment_status = false
+
+    self.payment_method = method
+    self.payment_amount = self.received_amount
+    self.payment_reference  = self.card_payment_reference
+    self.outstanding_amount = self.sale.grand_total- self.received_amount
+    self.payment_status = "paid"
+    payment_method = self.save!
+
+    sale_update_payment_status(self.received_amount)
+
+    return payment_status
+  end
+
+  def vochure_payment
+    payment_status = false
+
+    #Next time - validate if the vochure number is valid - within
+    self.payment_method = "vochure"
+    self.payment_amount = self.received_amount
+    self.payment_reference  = self.vochure_no
+    self.outstanding_amount = self.sale.grand_total- self.received_amount
+    self.payment_status = "paid"
+    payment_method = self.save!
+
+    sale_update_payment_status(self.received_amount)
+
+    return payment_status
+
+  end
+
+  def giftcard_payment
+    payment_status = false
+
+    #Next time - validate if the vochure number is valid - within
+    self.payment_method = "giftcard"
+    self.payment_amount = self.received_amount
+    self.payment_reference  = self.giftcard_no
+    self.outstanding_amount = self.sale.grand_total- self.received_amount
+    self.payment_status = "paid"
+    payment_method = self.save!
+
+    sale_update_payment_status(self.received_amount)
+
+    return payment_status
+
+  end
+
+  def paypar_payment
+    ##TODO - Integration with Paypar (SmartPay)
+  end
+
+  def sale_update_payment_status(paid_amount)
+
+    #update amount_outstanding
+    self.sale.amount_received =   self.sale.amount_received + paid_amount
+    self.sale.amount_changed = amount -   self.sale.amount_received
+    if (self.sale.grand_total <=   self.sale.amount_received &&   self.sale.amount_changed > 0)
+      self.sale.payment_status = "paid"
+      self.sale.sale_status = "completed"
+      self.sale.save!
+    end
+
+  end
+
 end