add tasks app

config/conf/apps.py

@@ -14,6 +14,7 @@ APPS = [
     "rest_framework_simplejwt",
     "django_core",
     "core.apps.accounts.apps.AccountsConfig",
+    'core.apps.tasks.apps.TasksConfig',
 ]
 
 if env.bool("SILK_ENABLED", False):

config/conf/navigation.py

@@ -212,5 +212,31 @@ PAGES = [
                 "link": reverse_lazy("admin:accounts_role_changelist"),
             },
         ]
+    },
+    {
+        "title": _("Task Management"),
+        "separator": True,
+        "items": [
+            {
+                "title": _("Task"),
+                "icon": "task",
+                "link": reverse_lazy("admin:tasks_task_changelist"),
+            },
+            {
+                "title": _("Column"),
+                "icon": "tag",
+                "link": reverse_lazy("admin:tasks_column_changelist"),
+            },
+            {
+                "title": _("Comment"),
+                "icon": "message",
+                "link": reverse_lazy("admin:tasks_comment_changelist"),
+            },
+            {
+                "title": _("Label"),
+                "icon": "tag",
+                "link": reverse_lazy("admin:tasks_label_changelist"),
+            },
+        ]
     }
 ]

core/apps/accounts/serializers/user.py

@@ -54,4 +54,21 @@ class UserCreateSerializer(serializers.ModelSerializer):
             "first_name",
             "last_name",
             "password",
-            "role"]
+            "role"
+        ]
+
+
+class ShortUserSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = get_user_model()
+        fields = [
+            'id',
+            'full_name',
+            'avatar',
+        ]
+    
+    def get_avatar(self, obj):
+        request = self.context.get('request')
+        if obj.avatar:
+            return request.build_absolute_uri(obj.avatar.url)
+        return None

core/apps/tasks/admin/__init__.py

@@ -0,0 +1,4 @@
+from .column import *
+from .comment import *
+from .task import *
+from .label import *

core/apps/tasks/admin/column.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from core.apps.tasks.models import Column
+
+@admin.register(Column)
+class ColumnAdmin(admin.ModelAdmin):
+    list_display = ('name',)

core/apps/tasks/admin/comment.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from core.apps.tasks.models import Comment
+
+@admin.register(Comment)
+class CommentAdmin(admin.ModelAdmin):
+    list_display = ('created_by', 'type')

core/apps/tasks/admin/label.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from core.apps.tasks.models import Label
+
+@admin.register(Label)
+class LabelAdmin(admin.ModelAdmin):
+    list_display = ('name',)

core/apps/tasks/admin/task.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from core.apps.tasks.models import Task
+
+@admin.register(Task)
+class TaskAdmin(admin.ModelAdmin):
+    list_display = ('name', 'created_by', 'priority')

core/apps/tasks/apps.py

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+
+
+class TasksConfig(AppConfig):
+    name = "core.apps.tasks"
+
+    def ready(self):
+        from core.apps.tasks import admin

core/apps/tasks/choices/comment.py

@@ -0,0 +1,6 @@
+from django.db import models
+
+
+class MessageChoice(models.TextChoices):
+    FILE = "file", "File"
+    TEXT = "text", "Text"

core/apps/tasks/choices/task.py

@@ -0,0 +1,7 @@
+from django.db import models
+
+
+class PriorityChoice(models.TextChoices):
+    LOW = "low", "Low"
+    MEDIUM = "medium", "Medium"
+    HIGH = "high", "High"

core/apps/tasks/migrations/0001_initial.py

@@ -0,0 +1,77 @@
+# Generated by Django 5.2.7 on 2026-04-29 13:18
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Column',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=255)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='Label',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=255)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='Task',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=255)),
+                ('description', models.TextField(blank=True)),
+                ('priority', models.CharField(choices=[('low', 'Low'), ('medium', 'Medium'), ('high', 'High')], max_length=255)),
+                ('from_date', models.DateField(blank=True, null=True)),
+                ('to_date', models.DateField(blank=True, null=True)),
+                ('assignees', models.ManyToManyField(related_name='assigned_tasks', to=settings.AUTH_USER_MODEL)),
+                ('column', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tasks', to='tasks.column')),
+                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='created_tasks', to=settings.AUTH_USER_MODEL)),
+                ('labels', models.ManyToManyField(related_name='tasks', to='tasks.label')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.CreateModel(
+            name='Comment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('message', models.TextField()),
+                ('file', models.FileField(blank=True, null=True, upload_to='comments/')),
+                ('type', models.CharField(choices=[('file', 'File'), ('text', 'Text')], max_length=255)),
+                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='created_comments', to=settings.AUTH_USER_MODEL)),
+                ('task', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to='tasks.task')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

core/apps/tasks/migrations/0002_alter_comment_created_by.py

@@ -0,0 +1,21 @@
+# Generated by Django 5.2.7 on 2026-04-29 13:20
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tasks', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='comment',
+            name='created_by',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='comments', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

core/apps/tasks/models/__init__.py

@@ -0,0 +1,4 @@
+from .column import *
+from .comment import *
+from .task import *
+from .label import *

core/apps/tasks/models/column.py

@@ -0,0 +1,10 @@
+from django.db import models
+
+from django_core.models import AbstractBaseModel
+
+
+class Column(AbstractBaseModel):
+    name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return self.name

core/apps/tasks/models/comment.py

@@ -0,0 +1,16 @@
+from django.db import models
+
+from django_core.models import AbstractBaseModel
+
+from core.apps.tasks.choices.comment import MessageChoice
+
+
+class Comment(AbstractBaseModel):
+    task = models.ForeignKey('tasks.Task', on_delete=models.CASCADE, related_name='comments')
+    message = models.TextField()
+    file = models.FileField(upload_to='comments/', blank=True, null=True)
+    type = models.CharField(max_length=255, choices=MessageChoice.choices)
+    created_by = models.ForeignKey('accounts.User', on_delete=models.CASCADE, related_name='comments')
+
+    def __str__(self):
+        return f"{self.content} created by {self.created_by}"

core/apps/tasks/models/label.py

@@ -0,0 +1,10 @@
+from django.db import models
+
+from django_core.models import AbstractBaseModel
+
+
+class Label(AbstractBaseModel):
+    name = models.CharField(max_length=255)
+
+    def __str__(self):
+        return self.name

core/apps/tasks/models/task.py

@@ -0,0 +1,20 @@
+from django.db import models
+
+from django_core.models import AbstractBaseModel
+
+from core.apps.tasks.choices.task import PriorityChoice
+
+
+class Task(AbstractBaseModel):
+    column = models.ForeignKey('tasks.Column', on_delete=models.CASCADE, related_name='tasks')
+    name = models.CharField(max_length=255)
+    description = models.TextField(blank=True)
+    priority = models.CharField(max_length=255, choices=PriorityChoice.choices)
+    from_date = models.DateField(null=True, blank=True)
+    to_date = models.DateField(null=True, blank=True)
+    labels = models.ManyToManyField('tasks.Label', related_name='tasks')
+    assignees = models.ManyToManyField('accounts.User', related_name='assigned_tasks')
+    created_by = models.ForeignKey('accounts.User', on_delete=models.CASCADE, related_name='created_tasks')
+
+    def __str__(self):
+        return f"{self.name} created by {self.created_by}"

core/apps/tasks/serializers/column.py

@@ -0,0 +1,11 @@
+from rest_framework import serializers
+
+from core.apps.tasks.models.column import Column
+
+
+class ColumnSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Column
+        fields = [
+            'id', 'name'
+        ]

core/apps/tasks/serializers/comment.py

@@ -0,0 +1,43 @@
+from django.db import transaction
+
+from rest_framework import serializers
+
+from core.apps.tasks.models.comment import Comment
+from core.apps.tasks.models.task import Task
+
+
+class CommentSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Comment
+        fields = [
+            'id', 'message', 'file', 'type', 'created_by'
+        ]
+
+    def get_created_by(self, obj):
+        request = self.context.get('request')
+        return {
+            "id": obj.created_by.id,
+            "full_name": obj.created_by.full_name,
+            "avatar": request.build_absolute_uri(obj.created_by.avatar.url) if obj.created_by.avatar else None
+        }
+
+
+class CommentCreateSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Comment
+        fields = [
+            'id', 'message', 'file', 'type', 'task'
+        ]
+
+    def validate(self, data):
+        task = Task.objects.filter(id=data['task']).first()
+        if not task:
+            raise serializers.ValidationError("Task not found")
+        data['task'] = task
+        return data
+
+    def create(self, validated_data):
+        with transaction.atomic():
+            task = validated_data.pop('task')
+            comment = Comment.objects.create(task=task, created_by=self.context['request'].user, **validated_data)
+            return comment

core/apps/tasks/serializers/label.py

@@ -0,0 +1,11 @@
+from rest_framework import serializers
+
+from core.apps.tasks.models.label import Label
+
+
+class LabelSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Label
+        fields = [
+            'id', 'name'
+        ]

core/apps/tasks/serializers/task.py

@@ -0,0 +1,30 @@
+from rest_framework import serializers
+
+from core.apps.tasks.models.task import Task
+from core.apps.accounts.serializers.user import ShortUserSerializer
+from core.apps.tasks.serializers.label import LabelSerializer
+
+
+class TaskSerializer(serializers.ModelSerializer):
+    labels = LabelSerializer(many=True)
+
+    class Meta:
+        model = Task
+        fields = [
+            'id',
+            'column',
+            'name',
+            'description',
+            'priority',
+            'from_date',
+            'to_date',
+            'labels',
+            'assignees',
+            'created_by'
+        ]
+
+    def get_assignees(self, obj):
+        return ShortUserSerializer(obj.assignees.all(), many=True, context={"request": self.context['request']})
+
+    def get_created_by(self, obj):
+        return ShortUserSerializer(obj.created_by, context={"request": self.context['request']})

core/apps/tasks/urls.py

@@ -0,0 +1,7 @@
+from django.urls import path, include
+
+from core.apps.tasks.views import task, column, comment
+
+urlpatterns = [
+
+]