209 lines
9.4 KiB
Python
209 lines
9.4 KiB
Python
#!/bin/python
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#coding: utf-8
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# +-------------------------------------------------------------------
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# | version:1.3
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# +-------------------------------------------------------------------
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# | django-vue-lyadmin
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# +-------------------------------------------------------------------
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# | Author: lybbn
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# +-------------------------------------------------------------------
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# | QQ: 1042594286
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# +-------------------------------------------------------------------
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# | Date: 2023/10/17
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# +-------------------------------------------------------------------
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# ------------------------------
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# 表单构建--viewset
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# ------------------------------
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from django.template import Template,Context
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def lyGenerateViewSet(object):
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fields = ['beginAt','endAt']
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object_new = []
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#自定义导出
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canExport = False
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export_field_dict = {}
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export_download_filename = "导出%s数据"%object['formConfig']['modelVerboseName']
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#自定义SerializerMethodField
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ForeignKeyList = []
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representation = []
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for c in object['widgetList']:
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field_name = c['options']['crudField']['field_name']
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verbose_name = c['options']['crudField']['verbose_name']
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field_type = c['options']['crudField'].get('field_type','')
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foreign_key = c['options']['crudField']['foreign_key']
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form_type = c.get('type','')
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if form_type in ['checkbox','cascader']:
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f_data = f"""ret['{field_name}'] = ast_convert(ret['{field_name}'])"""
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representation.append(f_data)
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if c['options']['crudField']['can_search']:
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if field_type in ['DateField','DateTimeField'] and c['options']['crudField']['search_type'] == 'range':
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fields.append(field_name+'_beginAt')
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fields.append(field_name+'_endAt')
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else:
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fields.append(field_name)
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object_new.append(filter_column(c['options']['crudField']))
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if c['options']['crudField'].get('can_export',False):
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canExport = True
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if field_type in ['ForeignKey','ManyToManyField','OneToOneField']:
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gname = "%s_lyformbuilder_name"%field_name
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export_field_dict[gname] = verbose_name
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else:
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export_field_dict[field_name] = verbose_name
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if field_type == 'ForeignKey' or field_type == 'OneToOneField':
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f_class_name = foreign_key['class_name']
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f_value = foreign_key['value']
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f_label = foreign_key['label']
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if f_class_name and f_value and f_label:
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gname = "%s_lyformbuilder_name"%field_name
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s_data = f"""{gname}=serializers.SerializerMethodField(read_only=True)
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def get_{gname}(self,obj):
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if obj.{field_name}_id:
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return obj.{field_name}.{f_label}
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return ''
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"""
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ForeignKeyList.append(s_data)
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exportData = {
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'canExport':canExport,
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'export_field_dict':export_field_dict,
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'export_download_filename':export_download_filename
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}
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viewset_code = """# -*- coding: utf-8 -*-
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#此文件请放在lyFormBuilder的views目录中
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import django_filters
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from rest_framework import serializers
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from utils.viewset import CustomModelViewSet
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from utils.serializers import CustomModelSerializer
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from utils.common import ast_convert
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from apps.lyFormBuilder.models.models_{{object.formConfig.modelClassName}} import {{ object.formConfig.modelClassName }}
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class {{ object.formConfig.modelClassName }}FilterSet(django_filters.rest_framework.FilterSet):
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\"\"\"
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{{object.formConfig.modelVerboseName}} 过滤器
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URL格式：http://127.0.0.1:8000/?beginAt=2020-12-02 12:00:00&endAt=2021-12-13 12:00:00
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field_name: 过滤字段名，一般应该对应模型中字段名
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lookup_expr: 查询时所要进行的操作，和ORM中运算符一致
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fields：指明过滤字段，可以是列表，也可以字典
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exclude = ['password'] 排除字段，不允许使用列表中字典进行过滤
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自定义字段名可以和模型中不一致，但一定要用参数field_name指明对应模型中的字段名
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\"\"\"
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#开始时间
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beginAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='gte') # 指定过滤的字段
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#结束时间
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endAt = django_filters.DateTimeFilter(field_name='create_datetime', lookup_expr='lte'){% for c in object_new %}
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{{ c | safe }}{% endfor %}
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class Meta:
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model = {{object.formConfig.modelClassName}}
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fields = {{fields | safe}}
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class {{ object.formConfig.modelClassName }}Serializer(CustomModelSerializer):
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\"\"\"
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{{ object.formConfig.modelClassName }} 序列化器
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\"\"\"{% for f in ForeignKeyList %}
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{{ f|safe }}{% endfor %}{% if representation %}
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def to_representation(self, instance):
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ret = super().to_representation(instance){% for r in representation %}
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{{ r|safe }}{% endfor %}
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return ret
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{% endif %}
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class Meta:
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model = {{ object.formConfig.modelClassName }}
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read_only_fields = ["id"]
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fields = '__all__'
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class {{ object.formConfig.modelClassName }}ViewSet(CustomModelViewSet):
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\"\"\"
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{{ object.formConfig.modelClassName }} 接口
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\"\"\"
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queryset = {{object.formConfig.modelClassName}}.objects.all()
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serializer_class = {{ object.formConfig.modelClassName}}Serializer
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filterset_class = {{ object.formConfig.modelClassName }}FilterSet
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{% if exportData.canExport %}
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export_download_filename = "{{exportData.export_download_filename}}"
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export_field_dict = {{exportData.export_field_dict|safe}}
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{% endif %}
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"""
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context = Context({'object': object,'object_new':object_new,'fields':fields,'exportData':exportData,'ForeignKeyList':ForeignKeyList,'representation':representation})
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return Template(viewset_code).render(context)
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def filter_column(field):
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search_type_turn = lookup_expr_translate(field.get('search_type',None))
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if field['field_type'] == "BooleanField":
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if search_type_turn == "isnull":
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return "%s = django_filters.BooleanFilter(field_name='%s',lookup_expr='isnull')"%(field['field_name'],field['field_name'])
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return "%s = django_filters.BooleanFilter(field_name='%s')" % (field['field_name'], field['field_name'])
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# return "%s = django_filters.CharFilter(field_name='%s')" % (field['field_name'], field['field_name'])
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elif field['field_type'] in ['CharField','TextField']:
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return "%s = django_filters.CharFilter(field_name='%s',lookup_expr='%s')" % (field['field_name'], field['field_name'],search_type_turn)
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elif field['field_type'] in ['DateTimeField']:
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if search_type_turn in ['range']:
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return f"""{field['field_name']}_beginAt = django_filters.DateTimeFilter(field_name='{field['field_name']}', lookup_expr='gte')
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{field['field_name']}_endAt = django_filters.DateTimeFilter(field_name='{field['field_name']}', lookup_expr='lte')"""
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else:
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return "%s = django_filters.DateTimeFilter(field_name='%s',lookup_expr='%s')" % (field['field_name'], field['field_name'],search_type_turn)
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elif field['field_type'] in ['DateField']:
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if search_type_turn in ['range']:
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return f"""{field['field_name']}_beginAt = django_filters.DateFilter(field_name='{field['field_name']}', lookup_expr='gte')
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{field['field_name']}_endAt = django_filters.DateFilter(field_name='{field['field_name']}', lookup_expr='lte')"""
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else:
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return "%s = django_filters.DateFilter(field_name='%s',lookup_expr='%s')" % (field['field_name'], field['field_name'],search_type_turn)
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else:
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return "%s = django_filters.CharFilter(field_name='%s',lookup_expr='%s')" % (field['field_name'], field['field_name'],search_type_turn)
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def lookup_expr_translate(search_type):
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search_type_turn = "icontains"
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if search_type == "=":
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search_type_turn = "exact"
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elif search_type == ">":
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search_type_turn = "gt"
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elif search_type == "<":
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search_type_turn = "lt"
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elif search_type == ">=":
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search_type_turn = "gte"
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elif search_type == "<=":
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search_type_turn = "lte"
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elif search_type == "isnull":
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search_type_turn = "isnull"
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elif search_type == "in":
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search_type_turn = "in"
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elif search_type == "range":
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search_type_turn = "range"
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elif search_type == "icontains":
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search_type_turn = "icontains"
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elif search_type == "contains":
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search_type_turn = "contains"
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elif search_type == "startswith":
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search_type_turn = "startswith"
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elif search_type == "istartswith":
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search_type_turn = "istartswith"
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elif search_type == "endswith":
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search_type_turn = "endswith"
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elif search_type == "iendswith":
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search_type_turn = "iendswith"
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elif search_type == "year":
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search_type_turn = "year"
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elif search_type == "year__lt":
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search_type_turn = "year__lt"
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elif search_type == "year__lte":
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search_type_turn = "year__lte"
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elif search_type == "year__gt":
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search_type_turn = "year__gt"
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elif search_type == "year__gte":
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search_type_turn = "year__gte"
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elif search_type == "month":
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search_type_turn = "month"
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elif search_type == "day":
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search_type_turn = "day"
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return search_type_turn |