fix: query param of api_man

basic_info/models.py

@@ -1,4 +1,5 @@
 from decimal import Decimal
+import json
 
 from django.db import models
 from flower.common import ModelBase
@@ -36,6 +37,7 @@ class ProductUnitEnum(models.IntegerChoices):
     METER = 1, '米'
     YARD = 2, '码'
     KG = 3, '公斤'
+    SEGMENT = 4, '段'
 
 
 class EmployeeTypeEnum(models.TextChoices):
@@ -226,6 +228,8 @@ class Product(ModelBase):
     human_id = models.CharField(max_length=100, verbose_name='产品编号', blank=True)
     color = models.CharField(max_length=50, blank=True, null=True, verbose_name='颜色')
     width_size = models.DecimalField(max_digits=10, decimal_places=2, blank=True, null=True, verbose_name='宽幅')
+    pieces = models.IntegerField(blank=True, null=True, verbose_name='件数')
+    segment_size = models.IntegerField(blank=True, null=True, verbose_name='一段尺寸')
     single_price_in = models.DecimalField(
         max_digits=10,
         decimal_places=2,
@@ -253,6 +257,13 @@ class Product(ModelBase):
         null=True, 
         verbose_name='产品图片',
     )
+    mdy_image_url = models.URLField(
+        max_length=500,
+        blank=True,
+        null=True,
+        verbose_name='明道云图片URL',
+        help_text='来自明道云的图片链接',
+    )
     minimum_quantity = models.IntegerField(null=True, blank=True, verbose_name='最低库存量')
     transform_rate = models.DecimalField(
         max_digits=10,
@@ -267,6 +278,36 @@ class Product(ModelBase):
         help_text='标记该产品是否通过明道云接口同步',
     )
 
+    def get_primary_image_url(self):
+        """
+        优先返回 mdy_image_url；若为空则尝试从 description JSON 中提取 original_file_full_path。
+        """
+        if self.mdy_image_url:
+            return self.mdy_image_url
+
+        if not self.description:
+            return None
+
+        try:
+            payload = json.loads(self.description) if isinstance(self.description, str) else self.description
+        except (TypeError, ValueError, json.JSONDecodeError):
+            return None
+
+        if isinstance(payload, dict):
+            items = [payload]
+        elif isinstance(payload, list):
+            items = payload
+        else:
+            return None
+
+        for item in items:
+            if not isinstance(item, dict):
+                continue
+            url = item.get('original_file_full_path') or item.get('DownloadUrl')
+            if url:
+                return url
+        return None
+
     def __str__(self):
         return self.name