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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace UppServices; |
| 6 | |
| 7 | require_once __DIR__ . '/legacy/ddbb/conx.php'; |
| 8 | |
| 9 | /** |
| 10 | * HTTP-facing connection actions: create, update, delete, cancel, unload. |
| 11 | * Uses SessionService for validation and ClientsService for all connection state (including unload). |
| 12 | */ |
| 13 | class ConnectionService |
| 14 | { |
| 15 | private readonly ClientsService $clientsService; |
| 16 | private readonly SessionService $sessionService; |
| 17 | |
| 18 | public function __construct( |
| 19 | ClientsService $clientsService, |
| 20 | SessionService $sessionService, |
| 21 | ) { |
| 22 | $this->sessionService = $sessionService; |
| 23 | $this->clientsService = $clientsService; |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * Validate device/session from query; return error code or call $fn with central connection and session. |
| 28 | * Connection is released before returning. |
| 29 | * |
| 30 | * @param array<string, mixed> $query Query params (device, session). |
| 31 | * @param callable(\conx, string): array $fn Called with central connection and session id on valid params. |
| 32 | * @return array{errorcode: int, connection?: string} |
| 33 | */ |
| 34 | private function withValidSession(array $query, callable $fn): array |
| 35 | { |
| 36 | $retval = \ApplicationError::Success; |
| 37 | $result = null; |
| 38 | $conx = new \ConxHelper(__FILE__); |
| 39 | $device = isset($query['device']) ? (string) $query['device'] : ''; |
| 40 | $session = isset($query['session']) ? (string) $query['session'] : ''; |
| 41 | |
| 42 | // Validate device and session from query. |
| 43 | if (\success($retval)) { |
| 44 | if ($device === '' || $session === '') { |
| 45 | \addlog(__FILE__, \LogLevel::Error, "ConnectionService: missing device or session in query."); |
| 46 | $retval = \ApplicationError::Parameters; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | // Check session (central connection is lazy via ConxHelper). |
| 51 | if (\success($retval)) { |
| 52 | $cg = $conx->global; |
| 53 | if ($cg === null) { |
| 54 | \addlog(__FILE__, \LogLevel::Error, "ConnectionService: failed to connect to central database."); |
| 55 | $retval = \ApplicationError::Database; |
| 56 | } |
| 57 | else { |
| 58 | $userid = null; |
| 59 | $retval = $this->sessionService->checkSession($conx, $session, $device, $userid); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | // Run callback and capture result. |
| 64 | if (\success($retval)) { |
| 65 | $result = $fn($conx->global, $session); |
| 66 | } |
| 67 | |
| 68 | $conx->release(); |
| 69 | |
| 70 | return $result ?? ['errorcode' => $retval]; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Create connection for session (initial sync registration). |
| 75 | * |
| 76 | * @param array<string, mixed> $query Query params (device, session). |
| 77 | * @param array<string, mixed> $config Client config (e.g. triggers). |
| 78 | * @return array{errorcode: int, connection?: string} JSON response payload. |
| 79 | */ |
| 80 | public function create(array $query, array $config): array |
| 81 | { |
| 82 | return $this->withValidSession($query, function (\conx $conx, string $session) use ($config): array { |
| 83 | $retval = $this->clientsService->create($conx, $session, $config); |
| 84 | $out = ['errorcode' => $retval]; |
| 85 | if (\success($retval)) { |
| 86 | $out['connection'] = $session; |
| 87 | } |
| 88 | return $out; |
| 89 | }); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Update connection config (e.g. triggers). |
| 94 | * |
| 95 | * @param array<string, mixed> $query Query params (device, session). |
| 96 | * @param array<string, mixed> $config Client config. |
| 97 | * @return array{errorcode: int} JSON response payload. |
| 98 | */ |
| 99 | public function update(array $query, array $config): array |
| 100 | { |
| 101 | return $this->withValidSession($query, function (\conx $conx, string $session) use ($config): array { |
| 102 | $retval = $this->clientsService->update($conx, $session, $config); |
| 103 | return ['errorcode' => $retval]; |
| 104 | }); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Delete connection entry (e.g. on disconnect). |
| 109 | * |
| 110 | * @param array<string, mixed> $query Query params (device, session). |
| 111 | * @return array{errorcode: int} JSON response payload. |
| 112 | */ |
| 113 | public function delete(array $query): array |
| 114 | { |
| 115 | return $this->withValidSession($query, function (\conx $conx, string $session): array { |
| 116 | $retval = $this->clientsService->delete($conx, $session); |
| 117 | return ['errorcode' => $retval]; |
| 118 | }); |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Cancel connection (e.g. wake from another device). |
| 123 | * |
| 124 | * @param array<string, mixed> $query Query params (device, session). |
| 125 | * @return array{errorcode: int} JSON response payload. |
| 126 | */ |
| 127 | public function cancel(array $query): array |
| 128 | { |
| 129 | return $this->withValidSession($query, function (\conx $conx, string $session): array { |
| 130 | $retval = $this->clientsService->cancel($conx, $session); |
| 131 | return ['errorcode' => $retval]; |
| 132 | }); |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Unload (logout) session: release, notify offline, register login/guest events. |
| 137 | * |
| 138 | * @param array{session: string, place?: mixed, table?: mixed} $body JSON body with session and optional place/table. |
| 139 | * @return array{errorcode: int} JSON response payload. |
| 140 | */ |
| 141 | public function unload(array $body): array |
| 142 | { |
| 143 | $retval = \ApplicationError::Success; |
| 144 | $result = null; |
| 145 | $conx = new \ConxHelper(__FILE__); |
| 146 | |
| 147 | // Validate session in body. |
| 148 | if (\success($retval)) { |
| 149 | if (empty($body['session'])) { |
| 150 | \addlog(__FILE__, \LogLevel::Error, "ConnectionService::unload: missing session in body."); |
| 151 | $retval = \ApplicationError::Parameters; |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | // Run unload and build result. |
| 156 | if (\success($retval)) { |
| 157 | if ($conx->global === null) { |
| 158 | \addlog(__FILE__, \LogLevel::Error, "ConnectionService::unload: failed to connect to central database."); |
| 159 | $retval = \ApplicationError::Database; |
| 160 | } else { |
| 161 | $retval = $this->clientsService->unload($conx, $body); |
| 162 | $result = ['errorcode' => $retval]; |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | $conx->release(); |
| 167 | |
| 168 | return $result ?? ['errorcode' => $retval]; |
| 169 | } |
| 170 | } |