ywxapp
1d49e6f5ee
- 18 张公共表更名（addon/attachment/configure/links/spider_log/spider_stat/sms/notice/ad/task/prop/medal/help/card -> common_*，member_wallets->member_wallet，score_rule/score_log -> member_*，addon_config->common_addonconf），模型全部对齐新表名，Db 直引用清零 - Attachment 模型补 表名绑定，修复富文本上传查 wxapp_attachment 1146 隐患 - install.sql + 迁移 SQL：backend_admin/backend_role delete_at 默认 0，修复软删除(NULL != 0)误过滤导致后台菜单为空 - AppService::boot() 支持插件 info.php 声明 commands 自动注册插件命令（psr-4 自动加载，坏类名自动跳过） - 各插件（haonav/mqttbroker/wxchat/articles/blog/forum 等）字段与配置同步调整 - 框架版本 1.1.0 -> 1.1.1
101 lines
2.9 KiB
PHP
101 lines
2.9 KiB
PHP
<?php
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declare (strict_types = 1);
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namespace addon\download\model;
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use ywxapp\model\BaseModel;
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class Category extends BaseModel
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{
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protected function getOptions(): array
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{
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return [
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'strict' => false,
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'name' => 'download_category',
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'autoRelation' => [],
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'createTime' => 'create_at',
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'updateTime' => 'update_at',
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'dateFormat' => 'Y-m-d H:i:s',
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];
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}
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/**
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* 子分类（pid 指向自身）
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*/
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public function children()
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{
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return $this->hasMany(self::class, 'pid', 'id')
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->where('status', 1)
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->order('sort', 'desc');
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}
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/**
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* 分类下的资源
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*/
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public function resources()
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{
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return $this->hasMany(Resource::class, 'cid', 'id')
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->where('status', 1)
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->where('is_audit', 1);
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}
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/**
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* 平铺分类列表转带前缀的下拉选项（供新增/编辑表单的上级分类 select 使用）
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* 直接复用父类 BaseModel::cateTree($cate, $name='title', $lefthtml='|— ', $pid=0, $level=0)，
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* 返回的 title 自带层级前缀，无需在子类重复声明（会与父类签名冲突 fatal error）。
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*/
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/**
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* 将平铺分类列表转换为嵌套树（供 layui.treeTable 使用）
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* 返回形如 [['id'=>..,'children'=>[...]], ...]
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*/
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public static function toNestedTree(array $list): array
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{
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$map = [];
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foreach ($list as &$item) {
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$item['children'] = [];
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$map[$item['id']] = &$item;
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}
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unset($item);
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$tree = [];
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foreach ($list as &$item) {
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if (!empty($item['pid']) && isset($map[$item['pid']])) {
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$map[$item['pid']]['children'][] = &$item;
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} else {
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$tree[] = &$item;
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}
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}
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unset($item);
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// 清理空的 children，保持返回结构干净
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return self::cleanEmptyChildren($tree);
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}
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protected static function cleanEmptyChildren(array $tree): array
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{
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foreach ($tree as &$node) {
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if (!empty($node['children'])) {
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$node['children'] = self::cleanEmptyChildren($node['children']);
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} else {
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unset($node['children']);
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}
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}
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return $tree;
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}
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/**
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* 删除前保护：存在子分类或资源时禁止删除
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*/
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public static function onBeforeDelete($model)
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{
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$childCount = self::where('pid', $model->id)->count();
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if ($childCount > 0) {
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throw new \think\Exception('该分类下还存在 ' . $childCount . ' 个子分类，请先处理子分类');
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}
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$resCount = \addon\download\model\Resource::where('cid', $model->id)->count();
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if ($resCount > 0) {
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throw new \think\Exception('该分类下还存在 ' . $resCount . ' 个资源，请先移走或删除这些资源');
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}
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}
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}
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