chore: remove project_id from WorkspaceBaseModel

apps/api/plane/db/migrations/0122_remove_workspaceuserlink_project.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.2.29 on 2026-03-30 14:20
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0121_alter_estimate_type'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='workspaceuserlink',
+            name='project',
+        ),
+    ]

apps/api/plane/db/models/deploy_board.py

@@ -9,14 +9,14 @@ from uuid import uuid4
 from django.db import models
 
 # Module imports
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
 def get_anchor():
     return uuid4().hex
 
 
-class DeployBoard(WorkspaceBaseModel):
+class DeployBoard(ProjectOptionalBaseModel):
     TYPE_CHOICES = (
         ("project", "Project"),
         ("issue", "Issue"),

apps/api/plane/db/models/description.py

@@ -4,10 +4,10 @@
 
 from django.db import models
 from django.utils.html import strip_tags
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
-class Description(WorkspaceBaseModel):
+class Description(ProjectOptionalBaseModel):
     description_json = models.JSONField(default=dict, blank=True)
     description_html = models.TextField(blank=True, default="<p></p>")
     description_binary = models.BinaryField(null=True)
@@ -29,7 +29,7 @@ class Description(WorkspaceBaseModel):
         super(Description, self).save(*args, **kwargs)
 
 
-class DescriptionVersion(WorkspaceBaseModel):
+class DescriptionVersion(ProjectOptionalBaseModel):
     """
     DescriptionVersion is a model used to store historical versions of a Description.
     """

apps/api/plane/db/models/draft.py

@@ -10,10 +10,10 @@ from django.utils import timezone
 # Module imports
 from plane.utils.html_processor import strip_tags
 
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
-class DraftIssue(WorkspaceBaseModel):
+class DraftIssue(ProjectOptionalBaseModel):
     PRIORITY_CHOICES = (
         ("urgent", "Urgent"),
         ("high", "High"),
@@ -136,7 +136,7 @@ class DraftIssue(WorkspaceBaseModel):
         return f"{self.name} <{self.project.name}>"
 
 
-class DraftIssueAssignee(WorkspaceBaseModel):
+class DraftIssueAssignee(ProjectOptionalBaseModel):
     draft_issue = models.ForeignKey(DraftIssue, on_delete=models.CASCADE, related_name="draft_issue_assignee")
     assignee = models.ForeignKey(
         settings.AUTH_USER_MODEL,
@@ -162,7 +162,7 @@ class DraftIssueAssignee(WorkspaceBaseModel):
         return f"{self.draft_issue.name} {self.assignee.email}"
 
 
-class DraftIssueLabel(WorkspaceBaseModel):
+class DraftIssueLabel(ProjectOptionalBaseModel):
     draft_issue = models.ForeignKey("db.DraftIssue", on_delete=models.CASCADE, related_name="draft_label_issue")
     label = models.ForeignKey("db.Label", on_delete=models.CASCADE, related_name="draft_label_issue")
 
@@ -176,7 +176,7 @@ class DraftIssueLabel(WorkspaceBaseModel):
         return f"{self.draft_issue.name} {self.label.name}"
 
 
-class DraftIssueModule(WorkspaceBaseModel):
+class DraftIssueModule(ProjectOptionalBaseModel):
     module = models.ForeignKey("db.Module", on_delete=models.CASCADE, related_name="draft_issue_module")
     draft_issue = models.ForeignKey("db.DraftIssue", on_delete=models.CASCADE, related_name="draft_issue_module")
 
@@ -198,7 +198,7 @@ class DraftIssueModule(WorkspaceBaseModel):
         return f"{self.module.name} {self.draft_issue.name}"
 
 
-class DraftIssueCycle(WorkspaceBaseModel):
+class DraftIssueCycle(ProjectOptionalBaseModel):
     """
     Draft Issue Cycles
     """

apps/api/plane/db/models/favorite.py

@@ -8,10 +8,10 @@ from django.conf import settings
 from django.db import models
 
 # Module imports
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
-class UserFavorite(WorkspaceBaseModel):
+class UserFavorite(ProjectOptionalBaseModel):
     """_summary_
     UserFavorite (model): To store all the favorites of the user
     """

apps/api/plane/db/models/label.py

@@ -5,10 +5,10 @@
 from django.db import models
 from django.db.models import Q
 
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
-class Label(WorkspaceBaseModel):
+class Label(ProjectOptionalBaseModel):
     parent = models.ForeignKey(
         "self",
         on_delete=models.CASCADE,

apps/api/plane/db/models/project.py

@@ -12,6 +12,7 @@ from django.conf import settings
 from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
 from django.db.models import Q
+from .workspace import WorkspaceManager
 
 # Module imports
 from plane.db.mixins import AuditModel
@@ -177,6 +178,21 @@ class Project(BaseModel):
         return super().save(*args, **kwargs)
 
 
+class ProjectOptionalBaseModel(BaseModel):
+    workspace = models.ForeignKey("db.Workspace", models.CASCADE, related_name="workspace_%(class)s")
+    project = models.ForeignKey("db.Project", models.CASCADE, related_name="project_%(class)s", null=True)
+
+    objects = WorkspaceManager()
+
+    class Meta:
+        abstract = True
+
+    def save(self, *args, **kwargs):
+        if self.project:
+            self.workspace = self.project.workspace
+        super(ProjectOptionalBaseModel, self).save(*args, **kwargs)
+
+
 class ProjectBaseModel(BaseModel):
     project = models.ForeignKey(Project, on_delete=models.CASCADE, related_name="project_%(class)s")
     workspace = models.ForeignKey("db.Workspace", on_delete=models.CASCADE, related_name="workspace_%(class)s")

apps/api/plane/db/models/recent_visit.py

@@ -7,7 +7,7 @@ from django.db import models
 from django.conf import settings
 
 # Module imports
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 
 
 class EntityNameEnum(models.TextChoices):
@@ -19,7 +19,7 @@ class EntityNameEnum(models.TextChoices):
     PROJECT = "PROJECT", "Project"
 
 
-class UserRecentVisit(WorkspaceBaseModel):
+class UserRecentVisit(ProjectOptionalBaseModel):
     entity_identifier = models.UUIDField(null=True)
     entity_name = models.CharField(max_length=30)
     user = models.ForeignKey(

apps/api/plane/db/models/view.py

@@ -7,7 +7,7 @@ from django.conf import settings
 from django.db import models
 
 # Module import
-from .workspace import WorkspaceBaseModel
+from .project import ProjectOptionalBaseModel
 from plane.utils.issue_filters import issue_filters
 
 
@@ -55,7 +55,7 @@ def get_default_display_properties():
     }
 
 
-class IssueView(WorkspaceBaseModel):
+class IssueView(ProjectOptionalBaseModel):
     name = models.CharField(max_length=255, verbose_name="View Name")
     description = models.TextField(verbose_name="View Description", blank=True)
     query = models.JSONField(verbose_name="View Query")

apps/api/plane/db/models/workspace.py

@@ -5,16 +5,19 @@
 # Python imports
 import pytz
 from typing import Optional, Any
+from uuid import UUID
 
 # Django imports
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.db import models
+from django.db.models import Q
 
 # Module imports
 from .base import BaseModel
 from plane.utils.constants import RESTRICTED_WORKSPACE_SLUGS
 from plane.utils.color import get_random_color
+from plane.db.mixins import SoftDeletionManager, SoftDeletionQuerySet
 
 ROLE_CHOICES = ((20, "Admin"), (15, "Member"), (5, "Guest"))
 
@@ -182,18 +185,37 @@ class Workspace(BaseModel):
         ordering = ("-created_at",)
 
 
+class WorkspaceQuerySet(SoftDeletionQuerySet):
+    """QuerySet for project related models that handles accessibility"""
+
+    def accessible_to(self, user_id: UUID, slug: str):
+        from plane.db.models.project import ProjectMember
+
+        member_project_ids = ProjectMember.objects.filter(
+            member_id=user_id, workspace__slug=slug, is_active=True
+        ).values_list("project_id", flat=True)
+
+        base_query = Q(project_id__in=member_project_ids)
+
+        return self.filter(base_query)
+
+
+class WorkspaceManager(SoftDeletionManager):
+    """Manager for project related models that handles accessibility"""
+
+    def get_queryset(self):
+        return WorkspaceQuerySet(self.model, using=self._db).filter(deleted_at__isnull=True)
+
+    def accessible_to(self, user_id: UUID, slug: str):
+        return self.get_queryset().accessible_to(user_id, slug)
+
+
 class WorkspaceBaseModel(BaseModel):
     workspace = models.ForeignKey("db.Workspace", models.CASCADE, related_name="workspace_%(class)s")
-    project = models.ForeignKey("db.Project", models.CASCADE, related_name="project_%(class)s", null=True)
 
     class Meta:
         abstract = True
 
-    def save(self, *args, **kwargs):
-        if self.project:
-            self.workspace = self.project.workspace
-        super(WorkspaceBaseModel, self).save(*args, **kwargs)
-
 
 class WorkspaceMember(BaseModel):
     workspace = models.ForeignKey("db.Workspace", on_delete=models.CASCADE, related_name="workspace_member")