Add news article comments and reactions

app/Console/Commands/ExportLegacyNewsCommentsSqlCommand.php

@@ -0,0 +1,186 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Command;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\DB;
+
+class ExportLegacyNewsCommentsSqlCommand extends Command
+{
+    protected $signature = 'news:comments-export-legacy-sql
+                            {--path=database/sql/news_article_comments_legacy_import.sql : Output SQL file path}
+                            {--skip-empty : Skip comments with empty or whitespace-only content}
+                            {--table= : Override legacy source table name (defaults to auto-detect news_comment/news_comments)}';
+
+    protected $description = 'Generate a production-safe SQL file for legacy news comments import';
+
+    public function handle(): int
+    {
+        try {
+            DB::connection('legacy')->getPdo();
+        } catch (\Throwable $exception) {
+            $this->error('Cannot connect to legacy database: ' . $exception->getMessage());
+
+            return self::FAILURE;
+        }
+
+        $legacyTable = $this->resolveLegacyTable();
+        if ($legacyTable === null) {
+            $this->error('Legacy table `news_comment` or `news_comments` was not found.');
+
+            return self::FAILURE;
+        }
+
+        $outputPath = $this->resolveOutputPath((string) $this->option('path'));
+        $skipEmpty = (bool) $this->option('skip-empty');
+
+        $directory = dirname($outputPath);
+        if (! is_dir($directory)) {
+            mkdir($directory, 0777, true);
+        }
+
+        $handle = fopen($outputPath, 'wb');
+        if ($handle === false) {
+            $this->error('Unable to write SQL file: ' . $outputPath);
+
+            return self::FAILURE;
+        }
+
+        $written = 0;
+        $skippedEmpty = 0;
+        $legacyNewsIds = [];
+
+        fwrite($handle, "-- Legacy news comments import generated at " . now()->toDateTimeString() . PHP_EOL);
+        fwrite($handle, "START TRANSACTION;" . PHP_EOL . PHP_EOL);
+
+        DB::connection('legacy')
+            ->table($legacyTable)
+            ->orderBy('comment_id')
+            ->chunk(500, function ($rows) use ($handle, $skipEmpty, &$written, &$skippedEmpty, &$legacyNewsIds): void {
+                foreach ($rows as $row) {
+                    $legacyId = (int) ($row->comment_id ?? 0);
+                    $legacyNewsId = (int) ($row->news_id ?? 0);
+                    $legacyUserId = (int) ($row->user_id ?? 0);
+                    $body = trim((string) ($row->message ?? ''));
+
+                    if ($legacyId < 1 || $legacyNewsId < 1) {
+                        continue;
+                    }
+
+                    if ($body === '') {
+                        if ($skipEmpty) {
+                            $skippedEmpty++;
+                            continue;
+                        }
+
+                        $body = '[no content]';
+                    }
+
+                    $legacyNewsIds[$legacyNewsId] = $legacyNewsId;
+
+                    $authorName = trim((string) ($row->author ?? ''));
+                    $timestamp = $this->normalizeTimestamp($row->posted ?? null);
+                    $renderedBody = nl2br(e($body));
+                    $userExpression = $legacyUserId > 0
+                        ? "CASE WHEN EXISTS (SELECT 1 FROM users WHERE users.id = {$legacyUserId} AND users.deleted_at IS NULL) THEN {$legacyUserId} ELSE NULL END"
+                        : 'NULL';
+
+                    $statement = "INSERT IGNORE INTO news_article_comments (legacy_id, legacy_user_id, article_id, user_id, parent_id, author_name, body, rendered_body, status, legacy_posted_at, created_at, updated_at, deleted_at)\n"
+                        . "SELECT {$legacyId}, " . ($legacyUserId > 0 ? (string) $legacyUserId : 'NULL') . ", news_articles.id, {$userExpression}, NULL, " . $this->quote($authorName !== '' ? $authorName : null) . ", " . $this->quote($body) . ", " . $this->quote($renderedBody) . ", 'visible', " . $this->quote($timestamp) . ", " . $this->quote($timestamp) . ", " . $this->quote($timestamp) . ", NULL\n"
+                        . "FROM news_articles\n"
+                        . "WHERE news_articles.legacy_news_id = {$legacyNewsId}\n"
+                        . "LIMIT 1;\n\n";
+
+                    fwrite($handle, $statement);
+                    $written++;
+                }
+            });
+
+        if ($legacyNewsIds !== []) {
+            foreach (array_chunk(array_values($legacyNewsIds), 250) as $chunk) {
+                fwrite($handle, 'UPDATE news_articles SET comments_enabled = 1 WHERE legacy_news_id IN (' . implode(', ', array_map('intval', $chunk)) . ');' . PHP_EOL);
+            }
+
+            fwrite($handle, PHP_EOL);
+        }
+
+        fwrite($handle, 'COMMIT;' . PHP_EOL);
+        fclose($handle);
+
+        $this->info('SQL export written to ' . $outputPath);
+        $this->table(
+            ['Result', 'Count'],
+            [
+                ['Statements written', $written],
+                ['Skipped - empty body', $skippedEmpty],
+                ['Articles enabled for comments', count($legacyNewsIds)],
+            ]
+        );
+
+        return self::SUCCESS;
+    }
+
+    private function resolveLegacyTable(): ?string
+    {
+        $configured = trim((string) $this->option('table'));
+        if ($configured !== '') {
+            return DB::connection('legacy')->getSchemaBuilder()->hasTable($configured) ? $configured : null;
+        }
+
+        foreach (['news_comment', 'news_comments'] as $candidate) {
+            if (DB::connection('legacy')->getSchemaBuilder()->hasTable($candidate)) {
+                return $candidate;
+            }
+        }
+
+        return null;
+    }
+
+    private function resolveOutputPath(string $path): string
+    {
+        $trimmed = trim($path);
+
+        if ($trimmed === '') {
+            return base_path('database/sql/news_article_comments_legacy_import.sql');
+        }
+
+        if (preg_match('/^[A-Za-z]:\\\\|^\\\\\\\\|^\//', $trimmed) === 1) {
+            return $trimmed;
+        }
+
+        return base_path(str_replace(['/', '\\\\'], DIRECTORY_SEPARATOR, $trimmed));
+    }
+
+    private function normalizeTimestamp(mixed $value): string
+    {
+        $raw = trim((string) ($value ?? ''));
+
+        if ($raw === '' || str_starts_with($raw, '0000-00-00')) {
+            return now()->toDateTimeString();
+        }
+
+        try {
+            return Carbon::parse($raw)->toDateTimeString();
+        } catch (\Throwable) {
+            return now()->toDateTimeString();
+        }
+    }
+
+    private function quote(?string $value): string
+    {
+        if ($value === null) {
+            return 'NULL';
+        }
+
+        $escaped = str_replace(
+            ["\\", "\0", "\n", "\r", "\x1a", "'"],
+            ["\\\\", "\\0", "\\n", "\\r", "\\Z", "\\'"],
+            $value,
+        );
+
+        return "'{$escaped}'";
+    }
+}