[ADD] spp unique id abstract model

spp_base/models/__init__.py

@@ -1,3 +1,4 @@
 # Part of OpenSPP. See LICENSE file for full copyright and licensing details.
 
 from . import reg_id
+from . import spp_unique_id

spp_base/models/spp_unique_id.py

@@ -0,0 +1,73 @@
+import random
+import re
+import string
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+def _generate_unique_id():
+ # Adjust the desired length of the unique identifier
+ length = 8
+ # Define the characters allowed in the unique identifier
+ characters = string.digits + string.ascii_uppercase
+ # Exclude characters that can be confused
+ excluded_characters = ["0", "O", "1", "I"]
+ # Filter the characters to exclude
+ allowed_characters = [c for c in characters if c not in excluded_characters]
+ # Generate the unique identifier by randomly selecting characters
+ unique_id = "".join(random.choice(allowed_characters) for _ in range(length))
+
+ return unique_id
+
+
+class SppUniqueId(models.AbstractModel):
+ _name = "spp.unique.id"
+
+ registrant_id = fields.Char(
+ string="Unique ID",
+ compute="_compute_registrant_id",
+ store=True,
+ readonly=False,
+ index=True,
+ )
+
+ _sql_constraints = [
+ (
+ "registrant_id_uniq",
+ "UNIQUE(registrant_id)",
+ "registrant_id is an unique identifier!",
+ )
+ ]
+
+ def _get_registrant_id_prefix(self):
+ raise NotImplementedError()
+
+ def _get_match_registrant_id_pattern(self):
+ raise NotImplementedError()
+
+ @api.constrains("registrant_id")
+ def _check_registrant_id(self):
+ not_correct_format = _("Unique ID is not following correct format!")
+ for rec in self:
+ match_pattern = rec._get_match_registrant_id_pattern()
+ if not match_pattern:
+ continue
+ if not re.match(match_pattern, rec.registrant_id):
+ raise ValidationError(not_correct_format)
+ if any(
+ [
+ char in rec.registrant_id.split("_")[-1]
+ for char in ("0", "O", "1", "I")
+ ]
+ ):
+ raise ValidationError(not_correct_format)
+
+ def _compute_registrant_id(self):
+ for rec in self:
+ prefix = rec._get_registrant_id_prefix()
+ if not prefix:
+ rec.registrant_id = False
+ continue
+ registrant_id = _generate_unique_id()
+ rec.registrant_id = "_".join([prefix, registrant_id])