Add models for market app

market/admin.py

@@ -0,0 +1,29 @@
+from django.contrib import admin
+
+from .models import Brand, Product, ProductColor, ProductStorage, Post, Image
+
+
+admin.site.register(Brand)
+admin.site.register(Product)
+admin.site.register(ProductColor)
+admin.site.register(ProductStorage)
+admin.site.register(Image)
+
+
+@admin.register(Post)
+class PostAdmin(admin.ModelAdmin):
+    list_display = (
+        "product",
+        "color",
+        "storage",
+        "price",
+        "text",
+        "author",
+        "status",
+        "written_at",
+    )
+    list_filter = ("status", "written_at")
+    search_fields = ("product", "text")
+    date_hierarchy = "written_at"
+    ordering = ("status", "written_at")
+    raw_id_fields = ("author",)

market/models.py

@@ -0,0 +1,65 @@
+from django.db import models
+
+from user.models import User
+
+
+class Brand(models.Model):
+    name = models.CharField(max_length=20)
+    image = models.ImageField(upload_to="brands", blank=True, null=True)
+
+    def __str__(self):
+        return self.name
+
+
+class ProductColor(models.Model):
+    color = models.CharField(max_length=20)
+
+    def __str__(self):
+        return self.color
+
+
+class ProductStorage(models.Model):
+    storage = models.CharField(max_length=20)
+
+    def __str__(self):
+        return self.storage
+
+
+class Product(models.Model):
+    name = models.CharField(max_length=50)
+    brand = models.ForeignKey(Brand, on_delete=models.CASCADE)
+    image = models.ImageField(upload_to="products", blank=True, null=True)
+    color = models.ManyToManyField("ProductColor", blank=True)
+    storage = models.ManyToManyField("ProductStorage", blank=True)
+
+    def __str__(self):
+        return self.name
+
+
+class Post(models.Model):
+    STATUS_CHOICES = (
+        ("s", "selling"),
+        ("r", "reserved"),
+        ("d", "done"),
+    )
+    product = models.ForeignKey(Product, on_delete=models.CASCADE)
+    color = models.ForeignKey(ProductColor, on_delete=models.CASCADE)
+    storage = models.ForeignKey(ProductStorage, on_delete=models.CASCADE)
+    price = models.IntegerField()
+    text = models.TextField()
+    author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
+    status = models.CharField(
+        max_length=1, choices=STATUS_CHOICES, default="s"
+    )
+    written_at = models.DateTimeField(auto_now_add=True)
+
+    def __str__(self):
+        return self.product.name
+
+
+class Image(models.Model):
+    post = models.ForeignKey(Post, on_delete=models.CASCADE)
+    image = models.ImageField(upload_to="images", blank=True, null=True)
+
+    def __str__(self):
+        return self.post.product.name