Initial commit: 교육 프로젝트 배포

bbs/api/search_logs.php

@@ -0,0 +1,180 @@
+<?php
+declare(strict_types=1);
+
+require_once __DIR__ . '/common.php';
+require_once dirname(__DIR__) . '/db_conn.php';
+
+api_header_json();
+
+$user = api_require_login();
+$method = strtoupper((string)($_SERVER['REQUEST_METHOD'] ?? 'GET'));
+
+/**
+ * Normalize keyword for storage (trim + max 50 chars).
+ */
+function normalize_keyword(string $value): string {
+    $keyword = trim($value);
+    if ($keyword === '') {
+        return '';
+    }
+
+    if (function_exists('mb_substr')) {
+        return mb_substr($keyword, 0, 50, 'UTF-8');
+    }
+
+    return substr($keyword, 0, 50);
+}
+
+/**
+ * Insert one search log row using per-user seq and short retry on PK conflicts.
+ */
+function insert_search_log(PDO $pdo, string $memberId, string $sysCompCode, string $keyword): array {
+    $maxAttempts = 3;
+
+    for ($attempt = 1; $attempt <= $maxAttempts; $attempt++) {
+        try {
+            $pdo->beginTransaction();
+
+            $stmtSeq = $pdo->prepare(
+                'SELECT COALESCE(MAX(seq), 0) + 1 AS next_seq
+                   FROM edu_search_logs
+                  WHERE member_id = ?
+                    AND sys_comp_code = ?'
+            );
+            $stmtSeq->execute([$memberId, $sysCompCode]);
+            $nextSeq = (int)($stmtSeq->fetchColumn() ?: 1);
+
+            $stmtInsert = $pdo->prepare(
+                'INSERT INTO edu_search_logs
+                    (member_id, sys_comp_code, seq, keyword, searched_at)
+                 VALUES
+                    (?, ?, ?, ?, NOW())'
+            );
+            $stmtInsert->execute([$memberId, $sysCompCode, $nextSeq, $keyword]);
+
+            $pdo->commit();
+
+            return [
+                'seq' => $nextSeq,
+                'keyword' => $keyword,
+                'searched_at' => date('Y-m-d H:i:s'),
+                'retry_count' => $attempt - 1,
+            ];
+        } catch (Throwable $e) {
+            if ($pdo->inTransaction()) {
+                $pdo->rollBack();
+            }
+
+            $sqlState = '';
+            if ($e instanceof PDOException && isset($e->errorInfo[0])) {
+                $sqlState = (string)$e->errorInfo[0];
+            }
+
+            $isDuplicateKey = ($sqlState === '23000');
+            if (!$isDuplicateKey || $attempt >= $maxAttempts) {
+                throw $e;
+            }
+        }
+    }
+
+    throw new RuntimeException('search_log_insert_retry_exceeded');
+}
+
+if ($method === 'GET') {
+    $windowDays = 7;
+    $limit = (int)($_GET['limit'] ?? 20);
+    if ($limit < 1) {
+        $limit = 1;
+    } elseif ($limit > 50) {
+        $limit = 50;
+    }
+
+    try {
+        $pdo = db_conn();
+
+        $stmt = $pdo->prepare(
+            'SELECT seq, keyword, searched_at
+               FROM edu_search_logs
+              WHERE member_id = ?
+                AND sys_comp_code = ?
+                AND searched_at >= (NOW() - INTERVAL 7 DAY)
+              ORDER BY searched_at DESC, seq DESC
+              LIMIT ' . $limit
+        );
+        $stmt->execute([(string)$user['member_id'], (string)$user['sys_comp_code']]);
+        $rows = $stmt->fetchAll(PDO::FETCH_ASSOC) ?: [];
+
+        $logs = array_map(static function (array $row): array {
+            return [
+                'seq' => (int)($row['seq'] ?? 0),
+                'keyword' => (string)($row['keyword'] ?? ''),
+                'searched_at' => (string)($row['searched_at'] ?? ''),
+            ];
+        }, $rows);
+
+        echo json_encode([
+            'success' => true,
+            'data' => [
+                'logs' => $logs,
+                'window_days' => $windowDays,
+                'limit' => $limit,
+                'member_id' => (string)$user['member_id'],
+                'sys_comp_code' => (string)$user['sys_comp_code'],
+            ],
+            'meta' => [
+                'api' => 'search_logs',
+                'version' => 1,
+                'status' => 'ok',
+            ],
+        ], JSON_UNESCAPED_UNICODE);
+        exit;
+    } catch (Throwable $e) {
+        error_log('[search_logs][GET] ' . $e->getMessage());
+        api_error(500, 'search_logs_fetch_failed');
+    }
+}
+
+if ($method === 'POST') {
+    $input = api_get_input();
+    $keyword = normalize_keyword((string)($input['keyword'] ?? ''));
+
+    if ($keyword === '') {
+        api_error(400, 'keyword_required');
+    }
+
+    try {
+        $pdo = db_conn();
+        $inserted = insert_search_log(
+            $pdo,
+            (string)$user['member_id'],
+            (string)$user['sys_comp_code'],
+            $keyword
+        );
+
+        echo json_encode([
+            'success' => true,
+            'data' => [
+                'accepted' => true,
+                'keyword' => $inserted['keyword'],
+                'seq' => (int)$inserted['seq'],
+                'searched_at' => (string)$inserted['searched_at'],
+                'member_id' => (string)$user['member_id'],
+                'sys_comp_code' => (string)$user['sys_comp_code'],
+            ],
+            'meta' => [
+                'api' => 'search_logs',
+                'version' => 1,
+                'status' => 'ok',
+                'retry_count' => (int)$inserted['retry_count'],
+            ],
+        ], JSON_UNESCAPED_UNICODE);
+        exit;
+    } catch (Throwable $e) {
+        error_log('[search_logs][POST] ' . $e->getMessage());
+        api_error(500, 'search_log_insert_failed');
+    }
+}
+
+api_error(405, 'method_not_allowed', [
+    'allowed_methods' => ['GET', 'POST'],
+]);