Added Task model

backend/apps/mentorship/admin.py

@@ -7,6 +7,7 @@
 from apps.mentorship.models.mentor import Mentor
 from apps.mentorship.models.module import Module
 from apps.mentorship.models.program import Program
+from apps.mentorship.models.task import Task
 
 
 class MenteeAdmin(admin.ModelAdmin):
@@ -86,8 +87,30 @@ class ProgramAdmin(admin.ModelAdmin):
     filter_horizontal = ("admins",)
 
 
+class TaskAdmin(admin.ModelAdmin):
+    """Admin view for Task model."""
+
+    list_display = (
+        "issue",
+        "assignee",
+        "module",
+        "status",
+        "assigned_at",
+        "deadline_at",
+    )
+
+    search_fields = (
+        "issue__title",
+        "assignee__github_user__login",
+        "module__name",
+    )
+
+    list_filter = ("status", "module", "assignee")
+
+
 admin.site.register(MenteeProgram, MenteeProgramAdmin)
 admin.site.register(Mentee, MenteeAdmin)
 admin.site.register(Mentor, MentorAdmin)
 admin.site.register(Module, ModuleAdmin)
 admin.site.register(Program, ProgramAdmin)
+admin.site.register(Task, TaskAdmin)

backend/apps/mentorship/migrations/0002_module_labels_task.py

@@ -0,0 +1,100 @@
+# Generated by Django 5.2.4 on 2025-07-22 18:44
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("github", "0032_user_github_user_created_at_desc_and_more"),
+        ("mentorship", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="module",
+            name="labels",
+            field=models.JSONField(blank=True, default=list, verbose_name="Labels"),
+        ),
+        migrations.CreateModel(
+            name="Task",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+                    ),
+                ),
+                ("nest_created_at", models.DateTimeField(auto_now_add=True)),
+                ("nest_updated_at", models.DateTimeField(auto_now=True)),
+                (
+                    "status",
+                    models.CharField(
+                        choices=[
+                            ("TODO", "To Do"),
+                            ("IN_PROGRESS", "In Progress"),
+                            ("IN_REVIEW", "In Review"),
+                            ("COMPLETED", "Completed"),
+                            ("expert", "Expert"),
+                        ],
+                        default="TODO",
+                        max_length=12,
+                        verbose_name="Task status",
+                    ),
+                ),
+                (
+                    "assigned_at",
+                    models.DateTimeField(
+                        default=django.utils.timezone.now,
+                        help_text="Timestamp when the task was assigned to the mentee.",
+                    ),
+                ),
+                (
+                    "deadline_at",
+                    models.DateTimeField(
+                        blank=True, help_text="Optional deadline for the task.", null=True
+                    ),
+                ),
+                (
+                    "metadata",
+                    models.JSONField(blank=True, default=dict, help_text="Optional data"),
+                ),
+                (
+                    "assignee",
+                    models.ForeignKey(
+                        blank=True,
+                        help_text="The mentee assigned to this task.",
+                        null=True,
+                        on_delete=django.db.models.deletion.SET_NULL,
+                        related_name="tasks",
+                        to="mentorship.mentee",
+                    ),
+                ),
+                (
+                    "issue",
+                    models.ForeignKey(
+                        help_text="The GitHub issue this task corresponds to.",
+                        on_delete=django.db.models.deletion.PROTECT,
+                        related_name="mentorship_tasks",
+                        to="github.issue",
+                    ),
+                ),
+                (
+                    "module",
+                    models.ForeignKey(
+                        help_text="The module this task is part of.",
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="tasks",
+                        to="mentorship.module",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name_plural": "Tasks",
+                "db_table": "mentorship_tasks",
+                "ordering": ["deadline_at"],
+                "unique_together": {("issue", "assignee")},
+            },
+        ),
+    ]

backend/apps/mentorship/models/common/__init__.py

@@ -1,3 +1,4 @@
 from .experience_level import ExperienceLevel
 from .matching_attributes import MatchingAttributes
 from .start_end_range import StartEndRange
+from .status import Status

backend/apps/mentorship/models/common/status.py

@@ -0,0 +1,26 @@
+"""Mentorship app start/end range."""
+
+from django.db import models
+
+
+class Status(models.Model):
+    """Defines the possible states of a task."""
+
+    class Meta:
+        abstract = True
+
+    class StatusChoices(models.TextChoices):
+        """Status choices."""
+
+        TODO = "TODO", "To Do"
+        IN_PROGRESS = "IN_PROGRESS", "In Progress"
+        IN_REVIEW = "IN_REVIEW", "In Review"
+        COMPLETED = "COMPLETED", "Completed"
+        EXPERT = "expert", "Expert"
+
+    status = models.CharField(
+        max_length=12,
+        choices=StatusChoices.choices,
+        default=StatusChoices.TODO,
+        verbose_name="Task status",
+    )

backend/apps/mentorship/models/module.py

@@ -5,7 +5,11 @@
 from django.db import models
 
 from apps.common.models import TimestampedModel
-from apps.mentorship.models.common import ExperienceLevel, MatchingAttributes, StartEndRange
+from apps.mentorship.models.common import (
+    ExperienceLevel,
+    MatchingAttributes,
+    StartEndRange,
+)
 
 
 class Module(ExperienceLevel, MatchingAttributes, StartEndRange, TimestampedModel):
@@ -42,6 +46,12 @@ class Meta:
         verbose_name="Project",
     )
 
+    labels = models.JSONField(
+        blank=True,
+        default=list,
+        verbose_name="Labels",
+    )
+
     # M2Ms.
     mentors = models.ManyToManyField(
         "mentorship.Mentor",

backend/apps/mentorship/models/task.py

@@ -0,0 +1,63 @@
+"""Task model for the Mentorship app."""
+
+from __future__ import annotations
+
+from django.db import models
+from django.utils import timezone
+
+from apps.common.models import TimestampedModel
+from apps.mentorship.models.common import Status
+
+
+class Task(Status, TimestampedModel):
+    """Connects a Module, a GitHub Issue, and a Mentee to track work."""
+
+    class Meta:
+        db_table = "mentorship_tasks"
+        verbose_name_plural = "Tasks"
+        unique_together = ("issue", "assignee")
+        ordering = ["deadline_at"]
+
+    # FKs.
+    assignee = models.ForeignKey(
+        "mentorship.Mentee",
+        on_delete=models.SET_NULL,
+        null=True,
+        blank=True,
+        related_name="tasks",
+        help_text="The mentee assigned to this task.",
+    )
+
+    issue = models.ForeignKey(
+        "github.Issue",
+        on_delete=models.PROTECT,
+        related_name="mentorship_tasks",
+        help_text="The GitHub issue this task corresponds to.",
+    )
+
+    module = models.ForeignKey(
+        "mentorship.Module",
+        on_delete=models.CASCADE,
+        related_name="tasks",
+        help_text="The module this task is part of.",
+    )
+
+    assigned_at = models.DateTimeField(
+        default=timezone.now,
+        help_text="Timestamp when the task was assigned to the mentee.",
+    )
+
+    deadline_at = models.DateTimeField(
+        null=True, blank=True, help_text="Optional deadline for the task."
+    )
+
+    metadata = models.JSONField(
+        default=dict,
+        blank=True,
+        help_text="Optional data",
+    )
+
+    def __str__(self) -> str:
+        """Return a human-readable representation of the task."""
+        assignee_name = self.assignee.github_user.login if self.assignee else "Unassigned"
+        return f"Task for '{self.issue.title}' assigned to {assignee_name}"