messages implemented

2026-02-26 21:12:32 +01:00
parent d0aefc5ddc
commit 15b7b77d20
168 changed files with 14728 additions and 6786 deletions
--- a/app/Services/LegacySmileyMapper.php
+++ b/app/Services/LegacySmileyMapper.php
@@ -0,0 +1,167 @@
+<?php
+
+namespace App\Services;
+
+/**
+ * Centralized mapping from legacy GIF smiley codes to Unicode emoji.
+ *
+ * Usage:
+ *   $result = LegacySmileyMapper::convert($text);
+ *   $map    = LegacySmileyMapper::getMap();
+ */
+class LegacySmileyMapper
+{
+    /**
+     * The canonical smiley-code → emoji map.
+     * Keys must be unique; variants are listed via aliases.
+     */
+    private static array $map = [
+        // Core
+        ':beer'       => '🍺',
+        ':clap'       => '👏',
+        ':coffee'     => '☕',
+        ':cry'        => '😢',
+        ':lol'        => '😂',
+        ':love'       => '❤️',
+        ':HB'         => '🎂',
+        ':wow'        => '😮',
+        // Extended legacy codes
+        ':smile'      => '😊',
+        ':grin'       => '😁',
+        ':wink'       => '😉',
+        ':tongue'     => '😛',
+        ':cool'       => '😎',
+        ':angry'      => '😠',
+        ':sad'        => '😞',
+        ':laugh'      => '😆',
+        ':hug'        => '🤗',
+        ':thumb'      => '👍',
+        ':thumbs'     => '👍',
+        ':thumbsup'   => '👍',
+        ':fire'       => '🔥',
+        ':star'       => '⭐',
+        ':heart'      => '❤️',
+        ':broken'     => '💔',
+        ':music'      => '🎵',
+        ':note'       => '🎶',
+        ':art'        => '🎨',
+        ':camera'     => '📷',
+        ':gift'       => '🎁',
+        ':cake'       => '🎂',
+        ':wave'       => '👋',
+        ':ok'         => '👌',
+        ':pray'       => '🙏',
+        ':think'      => '🤔',
+        ':eyes'       => '👀',
+        ':rainbow'    => '🌈',
+        ':sun'        => '☀️',
+        ':moon'       => '🌙',
+        ':party'      => '🎉',
+        ':bomb'       => '💣',
+        ':skull'      => '💀',
+        ':alien'      => '👽',
+        ':robot'      => '🤖',
+        ':poop'       => '💩',
+        ':money'      => '💰',
+        ':bulb'       => '💡',
+        ':check'      => '✅',
+        ':x'          => '❌',
+        ':warning'    => '⚠️',
+        ':question'   => '❓',
+        ':exclamation' => '❗',
+        ':100'        => '💯',
+    ];
+
+    /**
+     * Convert all legacy smiley codes in $text to Unicode emoji.
+     * Only replaces codes that are surrounded by whitespace or start/end of string.
+     *
+     * @return string
+     */
+    public static function convert(string $text): string
+    {
+        if (empty($text)) {
+            return $text;
+        }
+
+        foreach (static::$map as $code => $emoji) {
+            // Use word-boundary-style: the code must be followed by whitespace,
+            // end of string, or punctuation — not part of a word.
+            $escaped = preg_quote($code, '/');
+            $text    = preg_replace(
+                '/(?<=\s|^)' . $escaped . '(?=\s|$|[.,!?;])/um',
+                $emoji,
+                $text
+            );
+        }
+
+        return $text;
+    }
+
+    /**
+     * Returns all codes that are present in the given text (for reporting).
+     *
+     * @return string[]
+     */
+    public static function detect(string $text): array
+    {
+        $found = [];
+        foreach (array_keys(static::$map) as $code) {
+            $escaped = preg_quote($code, '/');
+            if (preg_match('/(?<=\s|^)' . $escaped . '(?=\s|$|[.,!?;])/um', $text)) {
+                $found[] = $code;
+            }
+        }
+        return $found;
+    }
+
+    /**
+     * Collapse consecutive runs of the same emoji that exceed $maxRun repetitions.
+     *
+     * Transforms e.g. "🍺 🍺 🍺 🍺 🍺 🍺 🍺 🍺" (8×) → "🍺 🍺 🍺 🍺 🍺 ×8"
+     * so that spam/flood content is stored compactly and rendered readably.
+     *
+     * Both whitespace-separated ("🍺 🍺 🍺") and run-together ("🍺🍺🍺") forms
+     * are collapsed.  Only emoji from the common Unicode blocks are affected;
+     * regular text is never touched.
+     *
+     * @param  int $maxRun  Maximum number of identical emoji to keep (default 5).
+     */
+    public static function collapseFlood(string $text, int $maxRun = 5): string
+    {
+        if (empty($text)) {
+            return $text;
+        }
+
+        $limit = max(1, $maxRun);
+
+        // Match one emoji "unit" (codepoint from common ranges + optional variation
+        // selector U+FE0E / U+FE0F), followed by $limit or more repetitions of
+        // (optional horizontal whitespace + the same unit).
+        // The \1 backreference works byte-for-byte in UTF-8, so it correctly
+        // matches the same multi-byte sequence each time.
+        $pattern = '/([\x{1F000}-\x{1FFFF}\x{2600}-\x{27EF}][\x{FE0E}\x{FE0F}]?)'
+                 . '([ \t]*\1){' . $limit . ',}/u';
+
+        return preg_replace_callback(
+            $pattern,
+            static function (array $m) use ($limit): string {
+                $unit  = $m[1];
+                // substr_count is byte-safe and correct for multi-byte sequences.
+                $count = substr_count($m[0], $unit);
+                return str_repeat($unit . ' ', $limit - 1) . $unit . ' ×' . $count;
+            },
+            $text
+        ) ?? $text;
+    }
+
+    /**
+     * Get the full mapping array.
+     *
+     * @return array<string, string>
+     */
+    public static function getMap(): array
+    {
+        return static::$map;
+    }
+}