链接管理模块

patches/application/common/service/SplitAutoReplyService.php

@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\service;
+
+/**
+ * 分流链接自动回复语句（一行一条）
+ */
+class SplitAutoReplyService
+{
+    /** 最多条数 */
+    private const MAX_LINES = 200;
+
+    /** 单条最大字符数 */
+    private const MAX_LINE_LENGTH = 500;
+
+    /** 列表预览最大字符数 */
+    private const LIST_PREVIEW_MAX = 20;
+
+    /**
+     * 列表单元格预览（单行最多 50 字，超出加 ...）
+     */
+    public static function previewForList(string $raw, int $max = self::LIST_PREVIEW_MAX): string
+    {
+        $display = self::formatDisplay($raw);
+        if ($display === '') {
+            return '';
+        }
+        $flat = preg_replace('/\s+/u', ' ', str_replace(["\r\n", "\r", "\n"], ' ', $display));
+        $flat = trim((string) $flat);
+        if ($flat === '') {
+            return '';
+        }
+        if (mb_strlen($flat, 'UTF-8') <= $max) {
+            return $flat;
+        }
+        return mb_substr($flat, 0, $max, 'UTF-8') . '...';
+    }
+
+    /**
+     * 解析为多行文本数组
+     *
+     * @return array<int, string>
+     */
+    public static function parseLines(string $raw): array
+    {
+        $raw = trim($raw);
+        if ($raw === '') {
+            return [];
+        }
+        $parts = preg_split('/\r\n|\r|\n/', $raw) ?: [];
+        $lines = [];
+        foreach ($parts as $part) {
+            $line = trim((string) $part);
+            if ($line === '') {
+                continue;
+            }
+            if (strlen($line) > self::MAX_LINE_LENGTH) {
+                $line = mb_substr($line, 0, self::MAX_LINE_LENGTH, 'UTF-8');
+            }
+            $lines[] = $line;
+            if (count($lines) >= self::MAX_LINES) {
+                break;
+            }
+        }
+        return $lines;
+    }
+
+    /**
+     * 格式化为数据库存储（换行分隔）
+     *
+     * @param string|array<int, string> $value
+     */
+    public static function formatStorage($value): string
+    {
+        if (is_array($value)) {
+            $lines = $value;
+        } else {
+            $lines = self::parseLines((string) $value);
+        }
+        return implode("\n", $lines);
+    }
+
+    /**
+     * 供表单 textarea 回显
+     */
+    public static function formatDisplay(string $stored): string
+    {
+        $lines = self::parseLines($stored);
+        return implode("\n", $lines);
+    }
+}

patches/application/common/service/SplitLinkCodeService.php

@@ -0,0 +1,76 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\service;
+
+use app\admin\model\split\Link;
+use think\Exception;
+
+/**
+ * 分流链接码生成服务
+ */
+class SplitLinkCodeService
+{
+    private const CODE_LENGTH = 9;
+
+    private const CHARSET = 'abcdefghijklmnopqrstuvwxyz';
+
+    private const MAX_ATTEMPTS = 50;
+
+    /**
+     * 规范化链接码（小写、去空格）
+     */
+    public static function normalize(string $code): string
+    {
+        return strtolower(trim($code));
+    }
+
+    /**
+     * 是否为合法 9 位小写字母链接码
+     */
+    public static function isValidFormat(string $code): bool
+    {
+        return (bool) preg_match('/^[a-z]{9}$/', $code);
+    }
+
+    /**
+     * 链接码是否未被占用
+     */
+    public static function isAvailable(string $code, int $excludeId = 0): bool
+    {
+        $code = self::normalize($code);
+        $query = Link::where('link_code', $code);
+        if ($excludeId > 0) {
+            $query->where('id', '<>', $excludeId);
+        }
+        return !$query->find();
+    }
+
+    /**
+     * 生成唯一 9 位小写字母链接码
+     *
+     * @throws Exception
+     */
+    public function generateUnique(): string
+    {
+        for ($i = 0; $i < self::MAX_ATTEMPTS; $i++) {
+            $code = $this->generateRandom();
+            if (!Link::where('link_code', $code)->find()) {
+                return $code;
+            }
+        }
+        throw new Exception('分流链接生成失败，请稍后重试');
+    }
+
+    private function generateRandom(): string
+    {
+        $chars = self::CHARSET;
+        $max = strlen($chars) - 1;
+        $code = '';
+        for ($i = 0; $i < self::CODE_LENGTH; $i++) {
+            $code .= $chars[random_int(0, $max)];
+        }
+        return $code;
+    }
+}

patches/application/common/service/SplitPlatformDomainService.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace app\common\service;
+
+use app\admin\model\Domain as DomainModel;
+
+/**
+ * 平台分配域名解析（支持多域名，一行一个）
+ */
+class SplitPlatformDomainService
+{
+    /**
+     * 解析配置文本为合法根域名列表（去重、小写）
+     *
+     * @param string $raw 换行或逗号分隔的域名文本
+     * @return array<int, string>
+     */
+    public static function parseList(string $raw): array
+    {
+        $raw = trim($raw);
+        if ($raw === '') {
+            return [];
+        }
+
+        $parts = preg_split('/[\r\n,]+/', $raw) ?: [];
+        $domains = [];
+        foreach ($parts as $part) {
+            $domain = DomainModel::normalizeDomain(trim((string) $part));
+            if ($domain === '' || isset($domains[$domain])) {
+                continue;
+            }
+            if (!DomainModel::isValidRootDomain($domain)) {
+                continue;
+            }
+            $domains[$domain] = $domain;
+        }
+
+        return array_values($domains);
+    }
+
+    /**
+     * 将域名列表格式化为配置存储文本（一行一个）
+     *
+     * @param array<int, string> $domains
+     */
+    public static function formatList(array $domains): string
+    {
+        $lines = [];
+        foreach ($domains as $domain) {
+            $domain = DomainModel::normalizeDomain((string) $domain);
+            if ($domain !== '' && DomainModel::isValidRootDomain($domain)) {
+                $lines[$domain] = $domain;
+            }
+        }
+        return implode("\n", array_values($lines));
+    }
+}