EnCoach Odoo 19 custom modules

Full backend implementation with custom Odoo modules:
- encoach_api: Core API, user management, JWT auth
- encoach_exam: Exam generation (reading, writing, listening, speaking)
- encoach_evaluate: AI-powered evaluation (writing, speaking)
- encoach_training: Training tips and walkthrough
- encoach_storage: File storage management
- encoach_payment: Stripe, PayPal, Paymob integration
- encoach_mail: Email notifications

Made-with: Cursor

encoach_core/models/code.py

@@ -0,0 +1,57 @@
+import uuid
+from odoo import models, fields, api
+
+
+class EncoachCode(models.Model):
+    _name = "encoach.code"
+    _description = "EnCoach Registration Code"
+
+    code = fields.Char(required=True, index=True, default=lambda self: uuid.uuid4().hex[:8].upper())
+    entity_id = fields.Many2one("encoach.entity", ondelete="set null")
+    creator_id = fields.Many2one("res.users", required=True)
+    expiry_date = fields.Datetime()
+    code_type = fields.Selection(
+        [("individual", "Individual"), ("corporate", "Corporate")],
+        default="individual",
+    )
+    max_uses = fields.Integer(default=1)
+    uses = fields.Integer(default=0)
+    user_type = fields.Selection(
+        [
+            ("student", "Student"),
+            ("teacher", "Teacher"),
+            ("corporate", "Corporate"),
+        ],
+        default="student",
+    )
+    legacy_id = fields.Char(index=True)
+
+    @api.model
+    def validate_code(self, code_str):
+        rec = self.search([("code", "=", code_str)], limit=1)
+        if not rec:
+            return {"valid": False, "error": "Code not found"}
+        if rec.expiry_date and rec.expiry_date < fields.Datetime.now():
+            return {"valid": False, "error": "Code expired"}
+        if rec.max_uses and rec.uses >= rec.max_uses:
+            return {"valid": False, "error": "Code fully used"}
+        return {
+            "valid": True,
+            "code": rec.to_encoach_dict(),
+        }
+
+    def to_encoach_dict(self):
+        self.ensure_one()
+        return {
+            "id": self.id,
+            "code": self.code,
+            "entity": self.entity_id.id if self.entity_id else None,
+            "creator": self.creator_id.id,
+            "expiryDate": (
+                self.expiry_date.isoformat() if self.expiry_date else None
+            ),
+            "type": self.code_type,
+            "maxUses": self.max_uses,
+            "uses": self.uses,
+            "userType": self.user_type,
+        }