ch.10 - all exercises

ch.10 - added constraints on expected_price, selling_price, offer_price, tag_name and type_name

ch.10 - Modified constraint on selling price: must be at least 90% of expected price to move to next stage

realestatinator/models/estate_property.py

@@ -4,6 +4,11 @@ class EstatePropery(models.Model):
 	_name = 'estate_property'
 	_description = 'real estate property'
 	_order = 'sequence'
+	_sql_constraints = [
+		('check_expected_price_positive', 'CHECK (0 < expected_price)', 'Check that the expected price is strictly positive'),
+
+	]
+
 
 	sequence = fields.Integer('Sequence', default=0)
 	name = fields.Char('Title', required=True)
@@ -86,3 +91,12 @@ def mark_sold(self):
 				raise exceptions.UserError('This property cannot be sold because it has already been cancelled.')
 
 			record.state = 'sold'
+
+	@api.constrains('selling_price')
+	def _check_selling_price(self):
+		print('\n\nconstraint\n\n')
+		for record in self:
+			if record.state not in ['offer_accepted', 'sold']:
+				return
+			if record.selling_price < 0.9 * record.expected_price:
+				raise exceptions.ValidationError('Selling price must be at least 90% of expected price.')

realestatinator/models/estate_property_offer.py

@@ -3,7 +3,9 @@
 class EstatePropertyOffer(models.Model):
 	_name = 'estate.property.offer'
 	_description = 'estate property offer'
-
+	_sql_constraints = [
+		('check_offer_price_positive', 'CHECK (0 < price)', 'Check that the offer price is strictly positive.'),
+	]
 	creation_date = fields.Date('Creation Date', default=fields.Date.today())
 	price = fields.Float('Price')
 	status = fields.Selection(string='Status', selection=[
@@ -28,14 +30,16 @@ def _inverse_deadline(self):
 	def refuse_offer(self):
 		for record in self:
 			if record.status == 'accepted':
-				record.property_id.selling_price = 0
+				record.property_id.state = 'offer_received'
+				record.property_id.selling_price = 0 
 				record.property_id.buyer = None
 			record.status = 'refused'
 
 	def accept_offer(self):
 		for record in self:
 			if record.property_id.selling_price != 0:
 				raise exceptions.UserError('An offer as already been accepted for this property.')
+			record.property_id.state = 'offer_accepted'
 			record.status = 'accepted'
 			record.property_id.selling_price = record.price
 			record.property_id.buyer = record.partner_id

realestatinator/models/estate_property_tags.py

@@ -3,5 +3,7 @@
 class EstatePropertyTags(models.Model):
 	_name = 'estate.property.tags'
 	_description = 'estate property tag'
-
+	_sql_constraints = [
+		('name_unique', 'UNIQUE (name)', 'make sure tag name is unique.')
+	]	
 	name = fields.Char('Name', required=True)

realestatinator/models/estate_property_type.py

@@ -3,6 +3,9 @@
 class EstatePropertyType(models.Model):
 	_name = 'estate.property.type'
 	_description = 'real estate property type'
+	_sql_constraints = [
+		('name_unique', 'UNIQUE (name)', 'make sure type name is unique.')
+	]	
 	# _order = 'sequence'
 
 	name = fields.Char('Name', required=True)