122 lines
2.8 KiB
PHP
122 lines
2.8 KiB
PHP
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<?php
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/**
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* 文件功能:猜谜活动题库模型
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*
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* 对应 idioms 表,统一承载成语题与脑筋急转弯题目。
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*/
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namespace App\Models;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Model;
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/**
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* 类功能:统一管理猜谜活动的题目、答案、提示与题型。
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*/
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class Riddle extends Model
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{
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/**
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* 属性功能:显式绑定历史题库表名,避免类名重命名后推导到错误表。
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*
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* @var string
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*/
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protected $table = 'idioms';
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/**
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* 常量功能:声明成语题题型标识。
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*/
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public const TYPE_IDIOM = 'idiom';
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/**
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* 常量功能:声明脑筋急转弯题型标识。
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*/
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public const TYPE_BRAIN_TEASER = 'brain_teaser';
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/**
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* 方法功能:声明允许批量赋值的题库字段。
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*
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* @var array<int, string>
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*/
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protected $fillable = [
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'type',
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'answer',
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'hint',
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'is_active',
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'sort',
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];
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/**
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* 方法功能:定义题库字段的类型转换规则。
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*
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* @return array<string, string>
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*/
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protected function casts(): array
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{
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return [
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'is_active' => 'boolean',
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'sort' => 'integer',
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];
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}
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/**
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* 方法功能:返回系统支持的全部题型。
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*
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* @return array<int, string>
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*/
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public static function supportedTypes(): array
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{
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return [
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self::TYPE_IDIOM,
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self::TYPE_BRAIN_TEASER,
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];
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}
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/**
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* 方法功能:判断给定题型是否属于系统支持范围。
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*/
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public static function isSupportedType(string $type): bool
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{
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return in_array($type, self::supportedTypes(), true);
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}
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/**
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* 方法功能:根据题型返回面向用户的中文名称。
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*/
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public static function labelForType(string $type): string
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{
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return match ($type) {
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self::TYPE_BRAIN_TEASER => '脑筋急转弯',
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default => '猜成语',
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};
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}
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/**
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* 方法功能:返回后台表单可直接使用的题型键值对。
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*
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* @return array<string, string>
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*/
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public static function typeOptions(): array
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{
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return collect(self::supportedTypes())
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->mapWithKeys(fn (string $type): array => [$type => self::labelForType($type)])
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->all();
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}
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/**
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* 方法功能:返回题型对应的活动标题。
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*/
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public static function activityLabelForType(string $type): string
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{
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return '猜谜活动·'.self::labelForType($type);
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}
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/**
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* 方法功能:按题型筛选题库记录。
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*/
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public function scopeOfType(Builder $query, string $type): Builder
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{
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return $query->where('type', self::isSupportedType($type) ? $type : self::TYPE_IDIOM);
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}
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}
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