root
71 lines
1.6 KiB
PHP
71 lines
1.6 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\common\service;
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/**
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* 分流链接自动回复语句（一行一条）
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*/
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class SplitAutoReplyService
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{
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/** 最多条数 */
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private const MAX_LINES = 200;
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/** 单条最大字符数 */
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private const MAX_LINE_LENGTH = 500;
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/**
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* 解析为多行文本数组
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*
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* @return array<int, string>
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*/
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public static function parseLines(string $raw): array
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{
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$raw = trim($raw);
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if ($raw === '') {
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return [];
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}
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$parts = preg_split('/\r\n|\r|\n/', $raw) ?: [];
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$lines = [];
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foreach ($parts as $part) {
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$line = trim((string) $part);
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if ($line === '') {
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continue;
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}
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if (strlen($line) > self::MAX_LINE_LENGTH) {
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$line = mb_substr($line, 0, self::MAX_LINE_LENGTH, 'UTF-8');
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}
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$lines[] = $line;
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if (count($lines) >= self::MAX_LINES) {
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break;
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}
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}
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return $lines;
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}
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/**
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* 格式化为数据库存储（换行分隔）
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*
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* @param string|array<int, string> $value
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*/
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public static function formatStorage($value): string
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{
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if (is_array($value)) {
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$lines = $value;
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} else {
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$lines = self::parseLines((string) $value);
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}
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return implode("\n", $lines);
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}
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/**
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* 供表单 textarea 回显
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*/
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public static function formatDisplay(string $stored): string
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{
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$lines = self::parseLines($stored);
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return implode("\n", $lines);
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}
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}
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