init
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159
extend/Aether/PHP/Hyperf/Traits/AetherEnum.php
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159
extend/Aether/PHP/Hyperf/Traits/AetherEnum.php
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<?php
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declare(strict_types=1);
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namespace Aether\Traits;
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use App\Notice\Enum\NoticeStatusEnum;
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use App\Notice\Model\NoticeStatsModel;
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use InvalidArgumentException;
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use ReflectionClass;
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trait AetherEnum
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{
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/**
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* 获取所有枚举值数组(严格保持定义顺序).
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* @return array<int|string> 枚举值集合
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*/
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public static function values(): array
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{
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self::validateEnumStructure();
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$values = [];
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foreach (self::cases() as $case) {
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$values[] = $case->value;
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}
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return $values;
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}
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/**
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* 获取所有枚举描述数组(与values()顺序一一对应).
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* @return array<string> 描述文本集合
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*/
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public static function descriptions(): array
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{
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self::validateEnumStructure();
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$descriptions = [];
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foreach (self::cases() as $case) {
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$descriptions[] = $case->description();
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}
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return $descriptions;
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}
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/**
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* 获取值-描述映射数组(用于下拉选择等场景).
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* @return array<int|string, string> 键为枚举值,值为描述文本
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*/
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public static function valueMap(): array
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{
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self::validateEnumStructure();
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$map = [];
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foreach (self::cases() as $case) {
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$map[$case->value] = $case->description();
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}
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return $map;
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}
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/**
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* 根据值获取枚举实例(严格模式).
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* @param int|string $value 枚举值
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* @return AetherEnum|NoticeStatsModel|NoticeStatusEnum 枚举实例
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*/
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public static function fromValue(int|string $value): self
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{
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self::validateEnumStructure();
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// 检查值类型是否与枚举类型匹配(基于第一个case的类型)
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$firstCase = self::cases()[0] ?? null;
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if ($firstCase) {
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$expectedType = gettype($firstCase->value);
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$actualType = gettype($value);
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if ($expectedType !== $actualType) {
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throw new InvalidArgumentException(sprintf(
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'枚举值类型不匹配,%s期望%s类型,实际为%s',
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self::class,
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$expectedType,
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$actualType
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));
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}
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}
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$enum = self::tryFrom($value);
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if (! $enum) {
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throw new InvalidArgumentException(sprintf(
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'无效的%s值: %s,允许值: %s',
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self::class,
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$value,
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implode(', ', self::values())
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));
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}
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return $enum;
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}
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/**
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* 根据描述获取枚举实例(精确匹配).
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* @param string $description 描述文本
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* @return null|AetherEnum|NoticeStatsModel|NoticeStatusEnum 匹配的枚举实例,无匹配时返回null
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*/
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public static function fromDescription(string $description): ?self
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{
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self::validateEnumStructure();
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foreach (self::cases() as $case) {
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if ($case->description() === $description) {
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return $case;
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}
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}
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return null;
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}
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/**
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* 检查值是否为有效的枚举值(严格类型检查).
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* @param int|string $value 待检查的值
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* @return bool 是否有效
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*/
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public static function isValidValue(int|string $value): bool
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{
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self::validateEnumStructure();
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foreach (self::cases() as $case) {
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if ($case->value === $value) { // 严格相等,避免类型松散匹配
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return true;
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}
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}
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return false;
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}
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/**
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* 校验枚举结构合法性(替代__init,私有静态方法).
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*/
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private static function validateEnumStructure(): void
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{
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// 检查当前类是否为枚举
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if (! (new ReflectionClass(self::class))->isEnum()) {
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throw new InvalidArgumentException(sprintf(
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'AetherEnum trait仅允许枚举类使用,%s不是枚举',
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self::class
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));
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}
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// 检查枚举是否实现了description()方法
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if (! method_exists(self::class, 'description')) {
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throw new InvalidArgumentException(sprintf(
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'枚举类%s必须实现description()方法(返回字符串描述)',
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self::class
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));
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}
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// 检查description()方法返回值是否为字符串
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$sampleCase = self::cases()[0] ?? null;
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if ($sampleCase && ! is_string($sampleCase->description())) {
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throw new InvalidArgumentException(sprintf(
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'枚举类%s的description()方法必须返回字符串',
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self::class
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));
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}
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}
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}
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