74 lines
3.1 KiB
Python
74 lines
3.1 KiB
Python
from django.conf import settings
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from rest_framework import serializers
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from config.exceptions import AppError
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from apps.user.models import Institution, Department
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class CmsInstitutionSerializer(serializers.ModelSerializer):
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"""CMS 机构（医院）序列化器。
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- `code` 显式声明以去掉默认 UniqueValidator，改用自定义错误码校验唯一性。
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- `banner_url` 返回可访问的完整 URL（未配置时为空串，便于管理端识别「未设图」）。
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"""
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code = serializers.CharField(max_length=100)
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banner_url = serializers.SerializerMethodField()
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class Meta:
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model = Institution
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fields = [
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'id', 'code', 'name', 'type', 'level',
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'province', 'city', 'banner_url', 'created_at', 'updated_at',
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]
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read_only_fields = ['id', 'created_at', 'updated_at']
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def get_banner_url(self, obj):
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if not obj.banner_url:
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return ''
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value = obj.banner_url
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if value.startswith(('http://', 'https://')):
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return value
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request = self.context.get('request')
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prefix = getattr(settings, 'STATIC_PUBLIC_PREFIX', '').rstrip('/')
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path = prefix + '/' + settings.STATIC_URL.strip('/') + '/' + value.lstrip('/')
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return request.build_absolute_uri(path) if request else path
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def validate_code(self, value):
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value = (value or '').strip()
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if not value:
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raise AppError('CMS_VALIDATION_ERROR', '机构编码不能为空', status_code=400)
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# 唯一性按 all_objects（含已停用）判定：编码唯一约束对软删行仍生效，
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# 否则同编码重建会在写库时撞唯一约束抛 500。
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qs = Institution.all_objects.filter(code=value)
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if self.instance is not None:
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qs = qs.exclude(pk=self.instance.pk)
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if qs.exists():
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raise AppError('CMS_INSTITUTION_CODE_EXISTS',
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'机构编码已存在（含已停用机构），如需复用请先恢复或更换编码',
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status_code=400)
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return value
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class CmsDepartmentSerializer(serializers.ModelSerializer):
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"""CMS 科室（全局表，与机构无关）。"""
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name = serializers.CharField(max_length=100)
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class Meta:
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model = Department
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fields = ['id', 'name', 'category', 'created_at', 'updated_at']
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read_only_fields = ['id', 'created_at', 'updated_at']
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def validate_name(self, value):
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value = (value or '').strip()
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if not value:
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raise AppError('CMS_VALIDATION_ERROR', '科室名称不能为空', status_code=400)
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# 唯一性按 all_objects（含已停用）判定，避免同名重建在写库时撞唯一约束抛 500。
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qs = Department.all_objects.filter(name=value)
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if self.instance is not None:
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qs = qs.exclude(pk=self.instance.pk)
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if qs.exists():
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raise AppError('CMS_DEPARTMENT_NAME_EXISTS',
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'科室名称已存在（含已停用科室），如需复用请先恢复或更换名称',
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status_code=400)
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return value
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