Dovodi_Backend/apps/chat/migrations/0001_initial.py

# Generated by Django 4.2.27 on 2026-01-22 10:48

import apps.chat.models
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion


class Migration(migrations.Migration):
    initial = True

    dependencies = [
        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
        ("course", "0001_initial"),
    ]

    operations = [
        migrations.CreateModel(
            name="RoomMessage",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("name", models.CharField(max_length=255, verbose_name="Room Name")),
                (
                    "description",
                    models.TextField(blank=True, null=True, verbose_name="Description"),
                ),
                (
                    "created_at",
                    models.DateTimeField(auto_now_add=True, verbose_name="Created At"),
                ),
                (
                    "updated_at",
                    models.DateTimeField(auto_now=True, verbose_name="Updated At"),
                ),
                (
                    "room_type",
                    models.CharField(
                        choices=[("group", "Group"), ("private", "Private")],
                        default="group",
                        max_length=10,
                        verbose_name="Room Type",
                    ),
                ),
                ("unread_messages_count", models.IntegerField(default=0)),
                (
                    "course",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="room_messages",
                        to="course.course",
                        verbose_name="Course",
                    ),
                ),
                (
                    "initiator",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="initiated_rooms",
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="Initiator",
                    ),
                ),
                (
                    "recipient",
                    models.ForeignKey(
                        blank=True,
                        null=True,
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="messages_received",
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="Recipient",
                    ),
                ),
            ],
        ),
        migrations.CreateModel(
            name="ChatMessage",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("content", models.TextField(verbose_name="Message Content")),
                (
                    "content_type",
                    models.CharField(
                        choices=[
                            ("text", "Text"),
                            ("file", "File"),
                            ("audio", "Audio"),
                            ("image", "Image"),
                        ],
                        default="text",
                        max_length=10,
                        verbose_name="Chat Type",
                    ),
                ),
                (
                    "content_size",
                    models.PositiveIntegerField(
                        blank=True, null=True, verbose_name="Content Size (bytes)"
                    ),
                ),
                (
                    "file_attachment",
                    models.FileField(
                        blank=True,
                        help_text="For file and audio messages",
                        max_length=500,
                        null=True,
                        upload_to=apps.chat.models.chat_upload_path,
                        verbose_name="File Attachment",
                    ),
                ),
                (
                    "image_attachment",
                    models.ImageField(
                        blank=True,
                        help_text="For image messages",
                        max_length=500,
                        null=True,
                        upload_to=apps.chat.models.chat_upload_path,
                        verbose_name="Image Attachment",
                    ),
                ),
                ("is_read", models.BooleanField(default=False, verbose_name="Is Read")),
                ("message_metadata", models.JSONField(blank=True, null=True)),
                (
                    "sent_at",
                    models.DateTimeField(auto_now_add=True, verbose_name="Sent At"),
                ),
                (
                    "updated_at",
                    models.DateTimeField(auto_now=True, verbose_name="Updated At"),
                ),
                (
                    "deleted_at",
                    models.DateTimeField(
                        blank=True, null=True, verbose_name="Deleted At"
                    ),
                ),
                (
                    "is_deleted",
                    models.BooleanField(default=False, verbose_name="Is deleted"),
                ),
                (
                    "room",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="messages",
                        to="chat.roommessage",
                        verbose_name="Room",
                    ),
                ),
                (
                    "sender",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="messages_sent",
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="Sender",
                    ),
                ),
            ],
        ),
        migrations.CreateModel(
            name="MessageReadStatus",
            fields=[
                (
                    "id",
                    models.BigAutoField(
                        auto_created=True,
                        primary_key=True,
                        serialize=False,
                        verbose_name="ID",
                    ),
                ),
                ("is_read", models.BooleanField(default=False, verbose_name="Is Read")),
                (
                    "read_at",
                    models.DateTimeField(blank=True, null=True, verbose_name="Read At"),
                ),
                (
                    "message",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="read_statuses",
                        to="chat.chatmessage",
                        verbose_name="Message",
                    ),
                ),
                (
                    "user",
                    models.ForeignKey(
                        on_delete=django.db.models.deletion.CASCADE,
                        related_name="read_statuses",
                        to=settings.AUTH_USER_MODEL,
                        verbose_name="User",
                    ),
                ),
            ],
            options={
                "unique_together": {("user", "message")},
            },
        ),
    ]