HiPhone_BE/market/models.py

from django.db import models

from user.models import User


class Brand(models.Model):
    name = models.CharField(max_length=20)

    def __str__(self):
        return self.name


class Product(models.Model):
    name = models.CharField(max_length=50)
    brand = models.ForeignKey(
        Brand,
        on_delete=models.CASCADE,
        related_name="products",
    )
    release_date = models.DateField(blank=True, null=True)

    class Meta:
        ordering = ["-release_date"]

    def __str__(self):
        return self.name


class ItemIssues(models.Model):
    display = models.BooleanField(default=False)
    frame = models.BooleanField(default=False)
    button = models.BooleanField(default=False)
    biometric = models.BooleanField(default=False)
    camera = models.BooleanField(default=False)
    speaker = models.BooleanField(default=False)
    others = models.BooleanField(default=False)


class Post(models.Model):
    product = models.ForeignKey(
        Product,
        on_delete=models.CASCADE,
        related_name="posts",
    )
    price = models.IntegerField()
    text = models.TextField()
    author = models.ForeignKey(
        User, on_delete=models.SET_NULL, null=True, related_name="posts"
    )
    item_issues = models.OneToOneField(
        ItemIssues, on_delete=models.CASCADE, null=True, related_name="post"
    )
    done = models.BooleanField(default=False)
    written_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        ordering = ["-written_at"]

    def __str__(self):
        return f"{self.product} : {self.author} : {self.written_at}"


class Image(models.Model):
    post = models.ForeignKey(
        Post,
        on_delete=models.CASCADE,
        related_name="images",
    )
    image = models.ImageField(upload_to="images", blank=True, null=True)

    class Meta:
        ordering = ["pk"]

    def __str__(self):
        return f"{self.post}"