File size: 8,646 Bytes
b4f2238 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 | """客户回款记录 Admin 配置"""
from __future__ import annotations
from typing import TYPE_CHECKING, Any, ClassVar
from django import forms
from django.contrib import admin
from django.db.models import QuerySet
from django.http import HttpRequest
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _
from apps.contracts.models import ClientPaymentRecord
if TYPE_CHECKING:
pass
class ClientPaymentRecordAdminForm(forms.ModelForm[ClientPaymentRecord]):
"""客户回款记录表单"""
image = forms.ImageField(
required=False,
label=_("上传凭证图片"),
help_text=_("支持 JPG、PNG、JPEG，最大 10MB"),
)
class Meta:
model = ClientPaymentRecord
fields = ("contract", "case", "amount", "image", "note")
widgets = {
"note": forms.Textarea(attrs={"rows": 3, "cols": 40}),
}
def __init__(self, *args: Any, **kwargs: Any) -> None:
super().__init__(*args, **kwargs)
# 如果是编辑模式，根据已有的 contract_id 过滤案件
if self.instance and self.instance.pk and self.instance.contract_id:
from apps.cases.models import Case
self.fields["case"].queryset = Case.objects.filter(contract_id=self.instance.contract_id)
# 如果是新建模式，但通过 URL 参数传入了 contract_id
elif "initial" in kwargs and "contract" in kwargs["initial"]:
from apps.cases.models import Case
contract_id = kwargs["initial"]["contract"]
self.fields["case"].queryset = Case.objects.filter(contract_id=contract_id)
# 如果是新建模式且有 GET 参数 contract
elif hasattr(self, "data") and self.data and "contract" in self.data:
from apps.cases.models import Case
contract_id = self.data.get("contract")
if contract_id:
self.fields["case"].queryset = Case.objects.filter(contract_id=contract_id)
else:
# 默认为空（用户选择合同后会通过 JS 动态加载）
from apps.cases.models import Case
self.fields["case"].queryset = Case.objects.none()
def clean(self) -> dict[str, Any]:
cleaned_data = super().clean()
contract = cleaned_data.get("contract")
case = cleaned_data.get("case")
# 验证案件归属
if contract and case:
if case.contract_id != contract.id:
raise forms.ValidationError(_("所选案件不属于该合同"))
return cleaned_data
def save(self, commit: bool = True) -> ClientPaymentRecord:
instance = super().save(commit=False)
uploaded_file = self.cleaned_data.get("image")
if uploaded_file:
from apps.contracts.services.client_payment import ClientPaymentImageService
image_service = ClientPaymentImageService()
# 删除旧图片
if instance.pk and instance.image_path:
image_service.delete_image(instance.image_path)
# 保存新图片（需要先有 ID）
if instance.pk:
image_path = image_service.save_image(uploaded_file, instance.id)
instance.image_path = image_path
if commit:
instance.save()
return instance
class ClientPaymentRecordAdmin(admin.ModelAdmin[ClientPaymentRecord]):
"""客户回款记录 Admin"""
form = ClientPaymentRecordAdminForm
list_display = ("id", "contract", "case", "amount", "created_at")
list_filter = ("contract", "created_at")
search_fields = ("contract__name", "note")
autocomplete_fields = ("contract",)
readonly_fields = ("created_at", "image_preview")
fieldsets: ClassVar = (
(
None,
{
"fields": ("contract", "case", "amount", "note"),
},
),
(
_("凭证图片"),
{
"fields": ("image", "image_preview"),
},
),
(
_("系统信息"),
{
"fields": ("created_at",),
},
),
)
def get_queryset(self, request: HttpRequest) -> QuerySet[ClientPaymentRecord, ClientPaymentRecord]:
"""优化查询"""
return super().get_queryset(request).select_related("contract", "case")
@admin.display(description=_("图片预览"))
def image_preview(self, obj: ClientPaymentRecord) -> str:
"""展示图片预览"""
if not obj.pk or not obj.image_path:
return "-"
from apps.contracts.services.client_payment import ClientPaymentImageService
image_service = ClientPaymentImageService()
url = image_service.get_image_url(obj.image_path)
return format_html(
'<a href="{}" target="_blank"><img src="{}" style="max-width:200px;max-height:200px;" /></a>',
url,
url,
)
def get_urls(self) -> list[Any]:
"""添加自定义 URL"""
from django.urls import path
urls = super().get_urls()
custom_urls = [
path(
"get-cases-by-contract/",
self.admin_site.admin_view(self.get_cases_by_contract_view),
name="contracts_clientpaymentrecord_get_cases",
),
]
return custom_urls + urls
def get_cases_by_contract_view(self, request: HttpRequest) -> Any:
"""AJAX 端点：根据合同 ID 获取案件列表"""
from django.http import JsonResponse
from apps.cases.models import Case
contract_id = request.GET.get("contract_id")
if not contract_id:
return JsonResponse({"cases": []})
cases = Case.objects.filter(contract_id=contract_id).values("id", "name")
return JsonResponse({"cases": list(cases)})
def save_model(self, request: HttpRequest, obj: ClientPaymentRecord, form: Any, change: bool) -> None:
"""保存模型时调用 Service 层验证"""
from apps.contracts.services.client_payment import ClientPaymentImageService, ClientPaymentRecordService
service = ClientPaymentRecordService()
uploaded_file = form.cleaned_data.get("image")
if not change:
# 新建：通过 Service 创建
case_id = obj.case_id if obj.case_id else None
created = service.create_payment_record(
contract_id=obj.contract_id,
amount=obj.amount,
case_id=case_id,
note=obj.note or "",
)
# 更新实例 ID
obj.pk = created.pk
obj.id = created.id
# 处理图片上传
if uploaded_file:
image_service = ClientPaymentImageService()
image_path = image_service.save_image(uploaded_file, created.id)
created.image_path = image_path
created.save(update_fields=["image_path"])
else:
# 更新：通过 Service 更新
case_id = obj.case_id if obj.case_id else None
service.update_payment_record(
record_id=obj.id,
amount=obj.amount,
case_id=case_id,
note=obj.note,
)
# 处理图片上传
if uploaded_file:
image_service = ClientPaymentImageService()
# 删除旧图片
if obj.image_path:
image_service.delete_image(obj.image_path)
# 保存新图片
image_path = image_service.save_image(uploaded_file, obj.id)
obj.image_path = image_path
obj.save(update_fields=["image_path"])
def delete_model(self, request: HttpRequest, obj: ClientPaymentRecord) -> None:
"""删除模型时调用 Service 层"""
from apps.contracts.services.client_payment import ClientPaymentRecordService
service = ClientPaymentRecordService()
service.delete_payment_record(obj.id)
def delete_queryset(
self, request: HttpRequest, queryset: QuerySet[ClientPaymentRecord, ClientPaymentRecord]
) -> None:
"""批量删除时调用 Service 层"""
from apps.contracts.services.client_payment import ClientPaymentRecordService
service = ClientPaymentRecordService()
for obj in queryset:
service.delete_payment_record(obj.id)
class Media:
js = ("admin/js/jquery.init.js", "contracts/js/client_payment_admin.js")
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