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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Modules\Dav\Application\Service; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Modules\Dav\Domain\Model\DavAccount; |
| 12 | use App\Modules\Dav\Domain\Model\DavResource; |
| 13 | use App\Modules\Dav\Domain\Model\DavSyncResult; |
| 14 | use App\Modules\Dav\Domain\Repository\DavClientInterface; |
| 15 | use App\Modules\Dav\Infrastructure\Converter\ICalendarConverter; |
| 16 | use Exception; |
| 17 | use PDO; |
| 18 | |
| 19 | /** |
| 20 | * Calendar DAV Synchronization Application Service. |
| 21 | * |
| 22 | * Coordinates CalDAV push and pull operations with SOGo server. |
| 23 | * |
| 24 | * @package App\Modules\Dav\Application\Service |
| 25 | */ |
| 26 | final readonly class DavCalendarSyncService |
| 27 | { |
| 28 | /** |
| 29 | * DavCalendarSyncService constructor. |
| 30 | * |
| 31 | * @param PDO $pdo PDO database connection. |
| 32 | * @param DavClientInterface $davClient HTTP DAV transport client. |
| 33 | * @param ICalendarConverter $converter iCalendar RFC 5545 converter. |
| 34 | * @param string $tablePrefix Optional database table prefix. |
| 35 | */ |
| 36 | public function __construct( |
| 37 | private PDO $pdo, |
| 38 | private DavClientInterface $davClient, |
| 39 | private ICalendarConverter $converter, |
| 40 | private string $tablePrefix = 'a_' |
| 41 | ) { |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Pushes a local calendar event change to the remote CalDAV collection. |
| 46 | * |
| 47 | * @param int $calendarId Record ID in c_mod_calendar_records. |
| 48 | * @param string $action Action type: create, update, delete. |
| 49 | * @param DavAccount $account Authenticated user DAV profile. |
| 50 | * @param array<string, mixed> $snapshot Optional record snapshot. |
| 51 | * @return void |
| 52 | */ |
| 53 | public function pushEvent( |
| 54 | int $calendarId, |
| 55 | string $action, |
| 56 | DavAccount $account, |
| 57 | array $snapshot = [] |
| 58 | ): void { |
| 59 | if ($action === 'delete') { |
| 60 | $uid = (string) ($snapshot['c_uid'] ?? ''); |
| 61 | if ($uid !== '') { |
| 62 | $resourceUrl = sprintf('%s%s.ics', $account->getCalendarUrl(), $uid); |
| 63 | $this->davClient->deleteResource($account, $resourceUrl); |
| 64 | } |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | $record = $this->findCalendarRecord($calendarId); |
| 69 | if ($record === null) { |
| 70 | return; |
| 71 | } |
| 72 | |
| 73 | $uid = (string) ($record['c_uid'] ?? ''); |
| 74 | if ($uid === '') { |
| 75 | $uid = sprintf('%s@ammonly.com', bin2hex(random_bytes(16))); |
| 76 | $record['c_uid'] = $uid; |
| 77 | } |
| 78 | |
| 79 | $sequence = ((int) ($record['sequence'] ?? 0)) + 1; |
| 80 | $record['sequence'] = $sequence; |
| 81 | |
| 82 | $icsContent = $this->converter->toIcs($record); |
| 83 | $etag = (string) ($record['c_etag'] ?? ''); |
| 84 | $resource = new DavResource($uid, $etag, $icsContent, 'text/calendar; charset=utf-8'); |
| 85 | $resourceUrl = sprintf('%s%s.ics', $account->getCalendarUrl(), $uid); |
| 86 | |
| 87 | $newEtag = $this->davClient->putResource($account, $resourceUrl, $resource); |
| 88 | |
| 89 | $table = $this->tablePrefix . 'mod_calendar_records'; |
| 90 | $sql = sprintf( |
| 91 | 'UPDATE `%s` SET `c_uid` = :uid, `c_etag` = :etag, `sequence` = :seq WHERE `id` = :id', |
| 92 | $table |
| 93 | ); |
| 94 | $stmt = $this->pdo->prepare($sql); |
| 95 | $stmt->execute([ |
| 96 | ':uid' => $uid, |
| 97 | ':etag' => $newEtag, |
| 98 | ':seq' => $sequence, |
| 99 | ':id' => $calendarId, |
| 100 | ]); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Pulls remote calendar changes from the user's CalDAV personal calendar. |
| 105 | * |
| 106 | * @param DavAccount $account Authenticated user DAV profile. |
| 107 | * @return DavSyncResult Summary of synchronization metrics. |
| 108 | */ |
| 109 | public function pullUserCalendar(DavAccount $account): DavSyncResult |
| 110 | { |
| 111 | $result = new DavSyncResult(); |
| 112 | $table = $this->tablePrefix . 'mod_calendar_records'; |
| 113 | |
| 114 | try { |
| 115 | $resources = $this->davClient->listResources($account, $account->getCalendarUrl(), 'calendar'); |
| 116 | } catch (Exception $e) { |
| 117 | $result->addError('Failed to list CalDAV resources: ' . $e->getMessage()); |
| 118 | return $result; |
| 119 | } |
| 120 | |
| 121 | foreach ($resources as $resource) { |
| 122 | try { |
| 123 | $this->syncRemoteResource($account, $resource, $table, $result); |
| 124 | } catch (Exception $e) { |
| 125 | $result->addError(sprintf('Error syncing event %s: %s', $resource->uid, $e->getMessage())); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | return $result; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * Synchronizes an individual remote calendar resource with local database. |
| 134 | * |
| 135 | * @param DavAccount $account Authenticated user profile. |
| 136 | * @param DavResource $resource Remote DAV resource. |
| 137 | * @param string $table Database table name. |
| 138 | * @param DavSyncResult $result Accumulator for metrics. |
| 139 | * @return void |
| 140 | */ |
| 141 | private function syncRemoteResource( |
| 142 | DavAccount $account, |
| 143 | DavResource $resource, |
| 144 | string $table, |
| 145 | DavSyncResult $result |
| 146 | ): void { |
| 147 | $stmt = $this->pdo->prepare( |
| 148 | sprintf('SELECT `id`, `c_etag` FROM `%s` WHERE `c_uid` = :uid LIMIT 1', $table) |
| 149 | ); |
| 150 | $stmt->execute([':uid' => $resource->uid]); |
| 151 | $existing = $stmt->fetch(PDO::FETCH_ASSOC); |
| 152 | |
| 153 | if ($existing !== false && (string) ($existing['c_etag'] ?? '') === $resource->etag) { |
| 154 | $result->skippedCount++; |
| 155 | return; |
| 156 | } |
| 157 | |
| 158 | $mapped = $this->converter->toRecord($resource->content, $resource->etag); |
| 159 | if (empty($mapped)) { |
| 160 | $result->skippedCount++; |
| 161 | return; |
| 162 | } |
| 163 | |
| 164 | if ($existing !== false) { |
| 165 | $this->updateCalendarRecord($table, (int) $existing['id'], $mapped); |
| 166 | $result->updatedCount++; |
| 167 | } else { |
| 168 | $this->insertCalendarRecord($table, $account->userId, $mapped); |
| 169 | $result->createdCount++; |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Fetches a calendar record from database by ID. |
| 175 | * |
| 176 | * @param int $calendarId Record ID. |
| 177 | * @return array<string, mixed>|null Record array or null. |
| 178 | */ |
| 179 | private function findCalendarRecord(int $calendarId): ?array |
| 180 | { |
| 181 | $table = $this->tablePrefix . 'mod_calendar_records'; |
| 182 | $stmt = $this->pdo->prepare(sprintf( |
| 183 | 'SELECT `id`, `subject`, `description`, `location`, `meeting_url`, `event_type`, `priority`, ' |
| 184 | . '`reminder_minutes`, `is_all_day`, `status`, `start_date`, `end_date`, `c_etag`, `c_uid`, ' |
| 185 | . '`sequence`, `c_isopaque`, `attendees` FROM `%s` WHERE `id` = :id LIMIT 1', |
| 186 | $table |
| 187 | )); |
| 188 | $stmt->execute([':id' => $calendarId]); |
| 189 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 190 | return is_array($row) ? $row : null; |
| 191 | } |
| 192 | |
| 193 | /** |
| 194 | * Updates an existing calendar database row. |
| 195 | * |
| 196 | * @param string $table Table name. |
| 197 | * @param int $id Record ID. |
| 198 | * @param array<string, mixed> $data Data to update. |
| 199 | * @return void |
| 200 | */ |
| 201 | private function updateCalendarRecord(string $table, int $id, array $data): void |
| 202 | { |
| 203 | $sql = sprintf( |
| 204 | 'UPDATE `%s` SET `subject` = :subject, `description` = :desc, `location` = :loc, ' |
| 205 | . '`meeting_url` = :murl, `event_type` = :etype, `priority` = :prio, ' |
| 206 | . '`reminder_minutes` = :rmins, `is_all_day` = :allday, `start_date` = :sdate, ' |
| 207 | . '`end_date` = :edate, `c_etag` = :etag, `sequence` = :seq, `c_isopaque` = :opaque, ' |
| 208 | . '`attendees` = :attendees WHERE `id` = :id', |
| 209 | $table |
| 210 | ); |
| 211 | $stmt = $this->pdo->prepare($sql); |
| 212 | $stmt->execute([ |
| 213 | ':subject' => $data['subject'] ?? '', |
| 214 | ':desc' => $data['description'] ?? '', |
| 215 | ':loc' => $data['location'] ?? '', |
| 216 | ':murl' => $data['meeting_url'] ?? '', |
| 217 | ':etype' => $data['event_type'] ?? 'meeting', |
| 218 | ':prio' => $data['priority'] ?? 'normal', |
| 219 | ':rmins' => $data['reminder_minutes'] ?? 15, |
| 220 | ':allday' => $data['is_all_day'] ?? 0, |
| 221 | ':sdate' => $data['start_date'] ?? null, |
| 222 | ':edate' => $data['end_date'] ?? null, |
| 223 | ':etag' => $data['c_etag'] ?? '', |
| 224 | ':seq' => $data['sequence'] ?? 0, |
| 225 | ':opaque' => $data['c_isopaque'] ?? 1, |
| 226 | ':attendees' => $data['attendees'] ?? null, |
| 227 | ':id' => $id, |
| 228 | ]); |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Inserts a new calendar record into the database. |
| 233 | * |
| 234 | * @param string $table Table name. |
| 235 | * @param int $userId Owner and creator user ID. |
| 236 | * @param array<string, mixed> $data Mapped calendar columns. |
| 237 | * @return void |
| 238 | */ |
| 239 | private function insertCalendarRecord(string $table, int $userId, array $data): void |
| 240 | { |
| 241 | $sql = sprintf( |
| 242 | 'INSERT INTO `%s` (`c_uid`, `c_etag`, `sequence`, `c_isopaque`, `is_all_day`, `subject`, ' |
| 243 | . '`description`, `location`, `meeting_url`, `event_type`, `priority`, `reminder_minutes`, ' |
| 244 | . '`start_date`, `end_date`, `attendees`, `created_by`, `owner`) ' |
| 245 | . 'VALUES (:uid, :etag, :seq, :opaque, :allday, :subject, :desc, :loc, :murl, :etype, :prio, ' |
| 246 | . ':rmins, :sdate, :edate, :attendees, :c_by, :c_owner)', |
| 247 | $table |
| 248 | ); |
| 249 | $stmt = $this->pdo->prepare($sql); |
| 250 | $ownerId = $userId > 0 ? $userId : 1; |
| 251 | $stmt->execute([ |
| 252 | ':uid' => $data['c_uid'], |
| 253 | ':etag' => $data['c_etag'], |
| 254 | ':seq' => $data['sequence'] ?? 0, |
| 255 | ':opaque' => $data['c_isopaque'] ?? 1, |
| 256 | ':allday' => $data['is_all_day'] ?? 0, |
| 257 | ':subject' => $data['subject'], |
| 258 | ':desc' => $data['description'] ?? '', |
| 259 | ':loc' => $data['location'] ?? '', |
| 260 | ':murl' => $data['meeting_url'] ?? '', |
| 261 | ':etype' => $data['event_type'] ?? 'meeting', |
| 262 | ':prio' => $data['priority'] ?? 'normal', |
| 263 | ':rmins' => $data['reminder_minutes'] ?? 15, |
| 264 | ':sdate' => $data['start_date'], |
| 265 | ':edate' => $data['end_date'], |
| 266 | ':attendees' => $data['attendees'] ?? null, |
| 267 | ':c_by' => $ownerId, |
| 268 | ':c_owner' => $ownerId, |
| 269 | ]); |
| 270 | } |
| 271 | } |