initial commit

core/apps/contracts/models/contracts.py

@@ -0,0 +1,70 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from core.utils.base_model import UUIDPrimaryKeyBaseModel
+from core.apps.contracts.validators.contracts import (
+    ContractValidator, 
+    name_validator
+)
+
+
+class ContractModel(UUIDPrimaryKeyBaseModel):
+
+    name = models.CharField(
+        _("name"),
+        validators=[
+            name_validator, 
+        ], 
+        max_length=255
+    )
+    
+    identifier = models.CharField(
+        _("Identifier"), 
+        null=False, 
+        blank=False
+    )
+
+    allow_add_files = models.BooleanField(default=False)
+    allow_delete_files = models.BooleanField(default=False)
+
+    @property
+    def file_permissions(self) -> str:
+        permissions: list[str] = []
+
+        if self.allow_add_files:
+            permissions.append("add")
+        if self.allow_delete_files:
+            permissions.append("delete")
+        
+        if len(permissions) == 2:
+            return "All"
+        
+        return ", ".join(permission.capitalize() for permission in permissions)
+
+    def __str__(self):
+        return self.name
+
+    @classmethod
+    def _create_fake(cls):
+        return cls.objects.create(
+            name="mock",
+        )
+    
+    def clean(self) -> None:
+        super().clean()
+
+        validator = ContractValidator(self)
+        validator()
+
+    class Meta:  # type: ignore
+        db_table = "contracts"
+
+        verbose_name = _("Contract")
+        verbose_name_plural = _("Contracts")
+
+        indexes = [
+            models.Index(
+                fields=["name"],
+                name="contracts_name_inx"
+            )
+        ]