feat: added print_count api, added merchant setting model, added manual mode setting for purchase order

basic_info/migrations/0014_merchantsetting.py

@@ -0,0 +1,30 @@
+# Generated by Django 5.2.7 on 2025-11-28 06:00
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0013_alter_customer_options'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MerchantSetting',
+            fields=[
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('key', models.CharField(max_length=100, verbose_name='设置项')),
+                ('val', models.CharField(max_length=100, verbose_name='设置值')),
+                ('description', models.TextField(blank=True, null=True, verbose_name='备注')),
+                ('merchant', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='settings', to='basic_info.merchant', verbose_name='所属商户')),
+            ],
+            options={
+                'verbose_name': '商户设置',
+                'verbose_name_plural': '商户设置',
+            },
+        ),
+    ]

basic_info/migrations/0015_remove_merchantsetting_val_merchantsetting_val_bool_and_more.py

@@ -0,0 +1,37 @@
+# Generated by Django 5.2.7 on 2025-11-28 06:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0014_merchantsetting'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='merchantsetting',
+            name='val',
+        ),
+        migrations.AddField(
+            model_name='merchantsetting',
+            name='val_bool',
+            field=models.BooleanField(blank=True, null=True, verbose_name='设置值(布尔值)'),
+        ),
+        migrations.AddField(
+            model_name='merchantsetting',
+            name='val_float',
+            field=models.FloatField(blank=True, null=True, verbose_name='设置值(浮点数)'),
+        ),
+        migrations.AddField(
+            model_name='merchantsetting',
+            name='val_int',
+            field=models.IntegerField(blank=True, null=True, verbose_name='设置值(整数)'),
+        ),
+        migrations.AddField(
+            model_name='merchantsetting',
+            name='val_str',
+            field=models.CharField(blank=True, max_length=100, null=True, verbose_name='设置值(字符串)'),
+        ),
+    ]

basic_info/migrations/0016_merchantsetting_type.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.7 on 2025-11-28 06:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('basic_info', '0015_remove_merchantsetting_val_merchantsetting_val_bool_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='merchantsetting',
+            name='type',
+            field=models.CharField(choices=[('str', '字符串'), ('int', '整数'), ('float', '浮点数'), ('bool', '布尔值')], default='str', max_length=20, verbose_name='设置类型'),
+        ),
+    ]