forked from erp-dev/erp
71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
# Generated manually for stateflow parameter refactoring
|
|
from django.db import migrations, models
|
|
|
|
|
|
def cleanup_old_parameters(apps, schema_editor):
|
|
"""
|
|
清空旧的参数数据（测试数据，无需保留）
|
|
"""
|
|
StateParameter = apps.get_model('stateflow', 'StateParameter')
|
|
# 删除所有旧的参数
|
|
StateParameter.objects.all().delete()
|
|
|
|
|
|
class Migration(migrations.Migration):
|
|
|
|
dependencies = [
|
|
('stateflow', '0016_alter_stateparameter_key_alter_stateparameter_value'),
|
|
]
|
|
|
|
operations = [
|
|
# 步骤1: 清空旧参数数据
|
|
migrations.RunPython(
|
|
cleanup_old_parameters,
|
|
migrations.RunPython.noop,
|
|
),
|
|
|
|
# 步骤2: 移除旧的 ForeignKey
|
|
migrations.RemoveField(
|
|
model_name='stateparameter',
|
|
name='state',
|
|
),
|
|
|
|
# 步骤3: 添加 name 字段
|
|
migrations.AddField(
|
|
model_name='stateparameter',
|
|
name='name',
|
|
field=models.CharField(
|
|
default='未命名参数',
|
|
help_text='参数的显示名称',
|
|
max_length=100,
|
|
verbose_name='参数名称'
|
|
),
|
|
preserve_default=False,
|
|
),
|
|
|
|
# 步骤4: 添加多对多字段
|
|
migrations.AddField(
|
|
model_name='state',
|
|
name='parameters',
|
|
field=models.ManyToManyField(
|
|
blank=True,
|
|
help_text='此状态使用的工艺参数',
|
|
related_name='states',
|
|
to='stateflow.stateparameter',
|
|
verbose_name='关联参数'
|
|
),
|
|
),
|
|
|
|
# 步骤5: 将 key 设置为 unique
|
|
migrations.AlterField(
|
|
model_name='stateparameter',
|
|
name='key',
|
|
field=models.CharField(
|
|
help_text='唯一标识符',
|
|
max_length=100,
|
|
unique=True,
|
|
verbose_name='参数键'
|
|
),
|
|
),
|
|
]
|