Initial commit from monorepo

offers/models.py

@@ -0,0 +1,64 @@
+from django.db import models
+import uuid
+
+
+class Offer(models.Model):
+    """Оффер (предложение) от поставщика в каталоге — один товар по одной цене"""
+    STATUS_CHOICES = [
+        ('draft', 'Черновик'),
+        ('active', 'Активно'),
+        ('closed', 'Закрыто'),
+        ('cancelled', 'Отменено'),
+    ]
+    WORKFLOW_STATUS_CHOICES = [
+        ('pending', 'Ожидает обработки'),
+        ('active', 'Активен'),
+        ('error', 'Ошибка'),
+    ]
+
+    uuid = models.CharField(max_length=100, unique=True, default=uuid.uuid4)
+    team_uuid = models.CharField(max_length=100)  # Команда поставщика
+    status = models.CharField(max_length=50, choices=STATUS_CHOICES, default='active')
+    workflow_status = models.CharField(
+        max_length=20,
+        choices=WORKFLOW_STATUS_CHOICES,
+        default='pending',
+    )
+    workflow_error = models.TextField(blank=True, default='')
+
+    # Локация отгрузки
+    location_uuid = models.CharField(max_length=100, blank=True, default='')
+    location_name = models.CharField(max_length=255, blank=True, default='')
+    location_country = models.CharField(max_length=100, blank=True, default='')
+    location_country_code = models.CharField(max_length=3, blank=True, default='')
+    location_latitude = models.FloatField(null=True, blank=True)
+    location_longitude = models.FloatField(null=True, blank=True)
+
+    # Товар
+    product_uuid = models.CharField(max_length=100, default='')
+    product_name = models.CharField(max_length=255, default='')
+    category_name = models.CharField(max_length=255, blank=True, default='')
+
+    # Количество и цена
+    quantity = models.DecimalField(max_digits=10, decimal_places=2, default=0)
+    unit = models.CharField(max_length=20, default='ton')
+    price_per_unit = models.DecimalField(max_digits=12, decimal_places=2, null=True, blank=True)
+    currency = models.CharField(max_length=3, default='USD')
+
+    # Описание (опционально)
+    description = models.TextField(blank=True, default='')
+    terminus_schema_id = models.CharField(max_length=255, blank=True, default='')
+    terminus_document_id = models.CharField(max_length=255, blank=True, default='')
+
+    # Срок действия
+    valid_until = models.DateField(null=True, blank=True)
+
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = 'offers'
+        ordering = ['-created_at']
+
+    def __str__(self):
+        return f"{self.product_name} - {self.quantity} {self.unit} ({self.status})"