initial commit

apps/workspaces/models.py

@@ -0,0 +1,77 @@
+from django.contrib.auth import get_user_model
+from django.db import models
+
+from core.models.base import BaseModel
+
+User = get_user_model()
+
+
+class Workspace(BaseModel):
+    name = models.CharField(max_length=255)
+    description = models.TextField(blank=True)
+    owner = models.ForeignKey(
+        User,
+        on_delete=models.PROTECT,
+        related_name="owned_workspaces",
+    )
+
+    class Meta:
+        db_table = "workspace"
+        ordering = ("-updated_at", "-created_at")
+        indexes = [
+            models.Index(fields=["owner"], name="workspace_owner_idx"),
+        ]
+
+    def __str__(self):
+        return self.name
+
+    @property
+    def members(self):
+        return User.objects.filter(
+            workspace_memberships__workspace=self,
+            workspace_memberships__is_active=True,
+        )
+
+
+class WorkspaceMembership(BaseModel):
+    class Role(models.TextChoices):
+        OWNER = "owner", "Owner"
+        ADMIN = "admin", "Admin"
+        MEMBER = "member", "Member"
+        GUEST = "guest", "Guest"
+
+    workspace = models.ForeignKey(
+        Workspace,
+        on_delete=models.CASCADE,
+        related_name="memberships",
+    )
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        related_name="workspace_memberships",
+    )
+    role = models.CharField(
+        max_length=20,
+        choices=Role.choices,
+        default=Role.MEMBER,
+    )
+    is_active = models.BooleanField(default=True)
+    joined_at = models.DateTimeField(auto_now_add=True)
+
+    class Meta:
+        db_table = "workspace_membership"
+        ordering = ("-created_at",)
+        indexes = [
+            models.Index(fields=["workspace"], name="membership_workspace_idx"),
+            models.Index(fields=["user"], name="membership_user_idx"),
+        ]
+        constraints = [
+            models.UniqueConstraint(
+                fields=["workspace", "user"],
+                name="unique_workspace_membership",
+                condition=models.Q(is_deleted=False),
+            )
+        ]
+
+    def __str__(self):
+        return f"{self.user} @ {self.workspace}"