[ADD] This is the new commit for vijan onboarding form the Server 101 training

This is a new commit and should include the Chapter 2-9 with parts of chapter 10 that are still work in progress.

Author: VincentJanssen-Code

estate/models/estate_property.py

@@ -5,6 +5,10 @@
 class EstateProperty(models.Model):
     _name = "estate.property"
     _description = "Property"
+    _positif_expected_price = models.Constraint("CHECK (expected_price > 0)","A price can't be negatif");
+    _positif_selling_price = models.Constraint("CHECK (selling_price > 0)","A price can't be negatif");
+    _postif_best_price = models.Constraint("CHECK (best_price > 0)", "A price can't be negatif");
+
     state = fields.Selection(selection = [("New","New"), ("Offer_Received","Offer Received") ,("Offer_Accepted","Offer Accepted"), ("Sold","Sold"), ("Cancelled","Cancelled")])
     active = fields.Boolean('Active',default=True)
     name = fields.Char(required=True,default="Unkown")

estate/models/estate_property_offer.py

@@ -6,6 +6,7 @@
 class EstatePropertyOffer(models.Model):
     _name = "estate.property.offer"
     _description = "Property Offer"
+    _postif_price = models.Constraint("CHECK (best_price > 0)", "A price can't be negatif");
     price = fields.Float(string="Price")
     status = fields.Selection(copy=False,selection = [("Accepted","Accepted"),("Refused","Refused")])
     partner_id = fields.Many2one('res.partner',required=True)