se crea legal monetary total

FossilOrigin-Name: 8ae3dfadfe9b90b8cc5ad59d2a73f4c8a987c5aac498573e56754a2d32e9e2ae

facho/fe/form/__init__.py

@@ -99,7 +99,7 @@ class Amount:
             return self.fromNumber(val)
         if isinstance(val, Amount):
             return val
-        raise TypeError("cant cast to amount")
+        raise TypeError("cant cast %s to amount" % (type(val)))
     
     def __add__(self, rother):
         other = self._cast(rother)

facho/fe/model/__init__.py

@@ -1,6 +1,8 @@
 import facho.model as model
 import facho.model.fields as fields
+import facho.fe.form as form
 from datetime import date, datetime
+from copy import copy
 
 class Name(model.Model):
     __name__ = 'Name'
@@ -48,24 +50,44 @@ class AccountingSupplierParty(model.Model):
 
     party = fields.Many2One(Party)
 
-class InvoicedQuantity(model.Model):
-    __name__  = 'InvoiceQuantity'
+class Quantity(model.Model):
+    __name__  = 'Quantity'
 
     code = fields.Attribute('unitCode', default='NAR')
+    value = fields.Virtual(default=0, update_internal=True)
+
+    def __default_set__(self, value):
+        self.value = value
+        return value
+
+    def __mul__(self, other):
+        return form.Amount(self.value) * other.value
 
 
 class Amount(model.Model):
     __name__ = 'Amount'
 
     currency = fields.Attribute('currencyID', default='COP')
-    
+    value = fields.Virtual(default=form.Amount(0), update_internal=True)
+
+    def __default_set__(self, value):
+        self.value = value
+        return value
+
 class Price(model.Model):
     __name__ = 'Price'
 
     amount = fields.Many2One(Amount, name='PriceAmount')
-
+    value = fields.Virtual(default=form.Amount(0))
+    
     def __default_set__(self, value):
         self.amount = value
+        self.value = value
+        return value
+
+    def __mul__(self, other):
+        return self.value * other.value
+
 
 class Percent(model.Model):
     __name__ = 'Percent'
@@ -102,13 +124,52 @@ class TaxTotal(model.Model):
 
     tax_amount = fields.Many2One(Amount, name='TaxAmount')
     subtotals = fields.One2Many(TaxSubTotal)
+
+
+class AllowanceCharge(model.Model):
+    __name__ = 'AllowanceCharge'
+
+    amount = fields.Many2One(Amount)
+    is_discount = fields.Virtual(default=False)
     
+    def isCharge(self):
+        return self.is_discount == False
+
+    def isDiscount(self):
+        return self.is_discount == True
+
 class InvoiceLine(model.Model):
     __name__ = 'InvoiceLine'
 
-    quantity = fields.Many2One(InvoicedQuantity)
+    quantity = fields.Many2One(Quantity, name='InvoicedQuantity')
     taxtotal = fields.Many2One(TaxTotal)
     price = fields.Many2One(Price)
+    amount = fields.Many2One(Amount, name='LineExtensionAmount')
+    allowance_charge = fields.One2Many(AllowanceCharge)
+
+    @fields.on_change(['price', 'quantity'])
+    def update_amount(self, name, value):
+        charge = form.AmountCollection(self.allowance_charge)\
+            .filter(lambda charge: charge.isCharge())\
+            .map(lambda charge: charge.amount)\
+            .sum()
+
+        discount = form.AmountCollection(self.allowance_charge)\
+            .filter(lambda charge: charge.isDiscount())\
+            .map(lambda charge: charge.amount)\
+            .sum()
+
+        total = self.quantity  * self.price
+        self.amount = total + charge - discount
+
+class LegalMonetaryTotal(model.Model):
+    __name__ = 'LegalMonetaryTotal'
+
+    line_extension_amount = fields.Many2One(Amount, name='LineExtensionAmount', default=form.Amount(0))
+    tax_exclusive_amount = fields.Many2One(Amount, name='TaxExclusiveAmount')
+    tax_inclusive_amount = fields.Many2One(Amount, name='TaxInclusiveAmount')
+    charge_total_amount = fields.Many2One(Amount, name='ChargeTotalAmount')
+    payable_amount = fields.Many2One(Amount, name='PayableAmount')
     
 class Invoice(model.Model):
     __name__ = 'Invoice'
@@ -123,7 +184,13 @@ class Invoice(model.Model):
     supplier = fields.Many2One(AccountingSupplierParty)
     customer = fields.Many2One(AccountingCustomerParty)
     lines = fields.One2Many(InvoiceLine)
+    legal_monetary_total = fields.Many2One(LegalMonetaryTotal)
 
+    @fields.on_change(['lines'])
+    def update_legal_monetary_total(self, name, value):
+        for line in self.lines:
+            self.legal_monetary_total.line_extension_amount.value += line.amount.value
+            
     def set_issue(self, name, value):
         if not isinstance(value, datetime):
             raise ValueError('expected type datetime')