'', 'message_text' => '' ]; // 連絡事項の追加処理 (変更なし) if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'add_contact') { $form_data['name'] = isset($_POST['name']) ? trim($_POST['name']) : ''; $form_data['message_text'] = isset($_POST['message_text']) ? trim($_POST['message_text']) : ''; if (empty($form_data['name'])) $errors[] = "名前を入力してください。"; elseif (mb_strlen($form_data['name']) > MAX_NAME_LENGTH) $errors[] = "名前は" . MAX_NAME_LENGTH . "文字以内で入力してください。"; if (empty($form_data['message_text'])) $errors[] = "連絡事項を入力してください。"; elseif (mb_strlen($form_data['message_text']) > MAX_MESSAGE_LENGTH) $errors[] = "連絡事項は" . MAX_MESSAGE_LENGTH . "文字以内で入力してください。"; if (empty($errors)) { $id = uniqid('contact_', true); $timestamp = date("Y-m-d H:i:s"); $name_to_save = str_replace(["\t", "\r", "\n"], " ", $form_data['name']); $message_to_save = str_replace(["\r\n", "\r", "\n"], "", $form_data['message_text']); $message_to_save = str_replace("\t", " ", $message_to_save); $status = STATUS_UNCONFIRMED; $data_line = $id . "\t" . $timestamp . "\t" . $name_to_save . "\t" . $message_to_save . "\t" . $status . PHP_EOL; $fp = fopen(CONTACTS_FILE_PATH, 'ab'); if ($fp) { if (flock($fp, LOCK_EX)) { if (fwrite($fp, $data_line) === false) { $_SESSION['message_display'] = "連絡事項の保存に失敗しました。(書き込みエラー)"; $_SESSION['message_type'] = "error"; } else { $_SESSION['message_display'] = "連絡事項が追加されました！"; $_SESSION['message_type'] = "success"; $form_data = ['name' => '', 'message_text' => '']; } flock($fp, LOCK_UN); } else { $_SESSION['message_display'] = "連絡事項の保存に失敗しました。(ロック取得失敗)"; $_SESSION['message_type'] = "error"; } fclose($fp); } else { $_SESSION['message_display'] = "連絡事項の保存に失敗しました。(ファイルオープン失敗)"; $_SESSION['message_type'] = "error"; } header("Location: " . $_SERVER['PHP_SELF']); exit; } else { $_SESSION['message_display'] = implode("
", $errors); $_SESSION['message_type'] = "error"; $_SESSION['form_data'] = $form_data; header("Location: " . $_SERVER['PHP_SELF']); exit; } } // 連絡事項の削除処理 (変更なし) if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'delete_contact' && isset($_POST['contact_id'])) { $contact_id_to_delete = trim($_POST['contact_id']); $temp_file_path = CONTACTS_FILE_DIR . 'contacts_temp.tsv'; $deleted = false; if (file_exists(CONTACTS_FILE_PATH)) { $fp_read = fopen(CONTACTS_FILE_PATH, 'rb'); $fp_write = fopen($temp_file_path, 'wb'); if ($fp_read && $fp_write) { if (flock($fp_read, LOCK_SH) && flock($fp_write, LOCK_EX)) { while (($line = fgets($fp_read)) !== false) { $parts = explode("\t", $line); if (isset($parts[0]) && trim($parts[0]) === $contact_id_to_delete) { $deleted = true; } else { fwrite($fp_write, $line); } } flock($fp_write, LOCK_UN); flock($fp_read, LOCK_UN); } else { $_SESSION['message_display'] = "ファイルのロックに失敗しました(削除時)。"; $_SESSION['message_type'] = "error"; } fclose($fp_read); fclose($fp_write); if ($deleted) { if (rename($temp_file_path, CONTACTS_FILE_PATH)) { $_SESSION['message_display'] = "連絡事項が削除されました。"; $_SESSION['message_type'] = "success"; } else { $_SESSION['message_display'] = "ファイル更新に失敗しました(削除時)。"; $_SESSION['message_type'] = "error"; @unlink($temp_file_path); } } else { $_SESSION['message_display'] = "削除対象の連絡事項が見つかりませんでした。"; $_SESSION['message_type'] = "error"; @unlink($temp_file_path); } } else { if($fp_read) fclose($fp_read); if($fp_write) fclose($fp_write); @unlink($temp_file_path); $_SESSION['message_display'] = "ファイル操作に失敗しました(削除時)。"; $_SESSION['message_type'] = "error"; } } else { $_SESSION['message_display'] = "連絡事項ファイルが見つかりません。"; $_SESSION['message_type'] = "error"; } header("Location: " . $_SERVER['PHP_SELF']); exit; } // 確認状態のトグル処理 (変更なし) if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['action']) && $_POST['action'] == 'toggle_confirm' && isset($_POST['contact_id'])) { $contact_id_to_toggle = trim($_POST['contact_id']); $temp_file_path = CONTACTS_FILE_DIR . 'contacts_temp.tsv'; $toggled = false; if (file_exists(CONTACTS_FILE_PATH)) { $fp_read = fopen(CONTACTS_FILE_PATH, 'rb'); $fp_write = fopen($temp_file_path, 'wb'); if ($fp_read && $fp_write) { if (flock($fp_read, LOCK_SH) && flock($fp_write, LOCK_EX)) { while (($line = fgets($fp_read)) !== false) { $parts = explode("\t", rtrim($line, PHP_EOL)); if (isset($parts[0]) && trim($parts[0]) === $contact_id_to_toggle) { $current_status = isset($parts[4]) ? (int)$parts[4] : STATUS_UNCONFIRMED; $new_status = ($current_status == STATUS_CONFIRMED) ? STATUS_UNCONFIRMED : STATUS_CONFIRMED; $parts[4] = $new_status; $line = implode("\t", $parts) . PHP_EOL; $toggled = true; } fwrite($fp_write, $line); } flock($fp_write, LOCK_UN); flock($fp_read, LOCK_UN); } else { $_SESSION['message_display'] = "ファイルのロックに失敗しました(状態更新時)。"; $_SESSION['message_type'] = "error"; } fclose($fp_read); fclose($fp_write); if ($toggled) { if (rename($temp_file_path, CONTACTS_FILE_PATH)) { $_SESSION['message_display'] = "確認状態が更新されました。"; $_SESSION['message_type'] = "success"; } else { $_SESSION['message_display'] = "ファイル更新に失敗しました(状態更新時)。"; $_SESSION['message_type'] = "error"; @unlink($temp_file_path); } } else { $_SESSION['message_display'] = "対象の連絡事項が見つかりませんでした(状態更新時)。"; $_SESSION['message_type'] = "error"; @unlink($temp_file_path); } } else { if($fp_read) fclose($fp_read); if($fp_write) fclose($fp_write); @unlink($temp_file_path); $_SESSION['message_display'] = "ファイル操作に失敗しました(状態更新時)。"; $_SESSION['message_type'] = "error"; } } else { $_SESSION['message_display'] = "連絡事項ファイルが見つかりません。"; $_SESSION['message_type'] = "error"; } header("Location: " . $_SERVER['PHP_SELF']); exit; } if (isset($_SESSION['message_display'])) { $page_message = $_SESSION['message_display']; $page_message_type = $_SESSION['message_type']; unset($_SESSION['message_display']); unset($_SESSION['message_type']); } if (isset($_SESSION['form_data'])) { $form_data = $_SESSION['form_data']; unset($_SESSION['form_data']); } function display_contacts() { if (!file_exists(CONTACTS_FILE_PATH) || filesize(CONTACTS_FILE_PATH) === 0) { echo "

まだ連絡事項はありません。

"; return; } $lines_array = file(CONTACTS_FILE_PATH, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); if ($lines_array === false) { echo "

連絡事項ファイルの読み込みに失敗しました。

"; return; } $lines_array = array_reverse($lines_array); $contacts_html = ""; foreach ($lines_array as $line) { $parts = explode("\t", $line, 5); if (count($parts) >= 4) { $id = htmlspecialchars($parts[0], ENT_QUOTES, 'UTF-8'); $timestamp = htmlspecialchars($parts[1], ENT_QUOTES, 'UTF-8'); $name = htmlspecialchars($parts[2], ENT_QUOTES, 'UTF-8'); $message_text_raw = str_replace("", "\n", $parts[3]); $message_text_display = nl2br(htmlspecialchars($message_text_raw, ENT_QUOTES, 'UTF-8')); $status = isset($parts[4]) ? (int)$parts[4] : STATUS_UNCONFIRMED; $confirm_button_text = ""; $confirm_dialog_message = ""; $button_confirm_class = ""; if ($status == STATUS_CONFIRMED) { $confirm_button_text = "確認済み"; $confirm_dialog_message = "この連絡事項を未確認に戻しますか？"; $button_confirm_class = "is-confirmed"; } else { $confirm_button_text = "確認済みにする"; $confirm_dialog_message = "この連絡事項を確認済みにしますか？"; $button_confirm_class = "is-unconfirmed"; } $item_class = ($status == STATUS_CONFIRMED) ? "contact-item confirmed" : "contact-item"; $contacts_html .= "

" . "

" . "" . $name . "" . " (" . $timestamp . ")" . "" . "" . "

" . "

" . $message_text_display . "

" . "

"; } } echo $contacts_html; } ?> 連絡事項