| @@ -1,11 +1,11 @@ | ||
| 1 | 1 | <?php |
| 2 | 2 | /** |
| 3 | 3 | * ResoBase — base class for the RESO-standard MLS provider adapters. |
| 4 | 4 | * |
| 5 | - * Provider adapters in the enviroment/ directory (SparkResoClass, TresleResoClass, | |
| 6 | - * BridgeResoClass, MlsgridResoClass, etc.) extend this class. It currently defines no | |
| 7 | - * shared behavior and serves as a common parent/type for the provider adapters. | |
| 5 | + * Provider adapters in the enviroment/ directory extend this class. It defines | |
| 6 | + * only the public behavior that is identical for every supported Provider | |
| 7 | + * Family. Provider-specific credentials and request rules stay in subclasses. | |
| 8 | 8 | * |
| 9 | 9 | * @package MLSImport |
| 10 | 10 | */ |
| 11 | 11 | // Abort if the file is accessed directly outside of WordPress. |
| @@ -23,9 +23,427 @@ | ||
| 23 | 23 | * Description of ResoBase |
| 24 | 24 | * |
| 25 | 25 | * @author cretu |
| 26 | 26 | */ |
| 27 | -// Empty base class; provider adapters extend this for a shared type. | |
| 28 | 27 | class ResoBase { |
| 29 | 28 | |
| 29 | + /** @var string Stable provider type stored with the MLS configuration. */ | |
| 30 | + protected $provider_type = ''; | |
| 31 | + | |
| 32 | + /** @var string[] Saved option keys required to authenticate this provider. */ | |
| 33 | + protected $provider_credential_fields = array( 'mlsimport_mls_token' ); | |
| 34 | + | |
| 35 | + /** @var array<string,string> Saved option key to SaaS request key aliases. */ | |
| 36 | + protected $connection_payload_keys = array( | |
| 37 | + 'mlsimport_mls_token' => 'mls_token', | |
| 38 | + ); | |
| 39 | + | |
| 40 | + /** @var bool Whether this provider's Direct MLS request is implemented. */ | |
| 41 | + protected $direct_access_supported = true; | |
| 42 | + | |
| 43 | + /** @var bool Whether Direct MLS sends the saved provider token unchanged. */ | |
| 44 | + protected $direct_uses_stored_token = false; | |
| 45 | + | |
| 46 | + /** @var object|null Active theme importer used by Stored mode. */ | |
| 47 | + public $theme_importer; | |
| 48 | + | |
| 49 | + /** | |
| 50 | + * Keep the active theme importer for callers that save Stored-mode listings. | |
| 51 | + * | |
| 52 | + * @param object|null $theme_importer Active theme importer, or null in pure tests. | |
| 53 | + */ | |
| 54 | + public function __construct( $theme_importer = null ) { | |
| 55 | + $this->theme_importer = $theme_importer; | |
| 56 | + } | |
| 57 | + | |
| 58 | + /** | |
| 59 | + * Return the stable saved type owned by this adapter. | |
| 60 | + * | |
| 61 | + * @return string | |
| 62 | + */ | |
| 63 | + public function type() { | |
| 64 | + return $this->provider_type; | |
| 65 | + } | |
| 66 | + | |
| 67 | + /** | |
| 68 | + * Real provider adapters are usable. UnsupportedResoClass overrides this. | |
| 69 | + * | |
| 70 | + * @return bool | |
| 71 | + */ | |
| 72 | + public function supported() { | |
| 73 | + return true; | |
| 74 | + } | |
| 75 | + | |
| 76 | + /** | |
| 77 | + * Return the exact saved option keys required by this Provider Family. | |
| 78 | + * | |
| 79 | + * The settings screen and connection test both consume this list, preventing | |
| 80 | + * either caller from maintaining a second provider credential map. | |
| 81 | + * | |
| 82 | + * @return string[] Ordered credential option keys. | |
| 83 | + */ | |
| 84 | + public function credential_fields() { | |
| 85 | + return $this->provider_credential_fields; | |
| 86 | + } | |
| 87 | + | |
| 88 | + /** | |
| 89 | + * Build the safe payload sent to the SaaS connection-test endpoint. | |
| 90 | + * | |
| 91 | + * Step 1 adds the selected MLS ID. Step 2 reads only the credential keys | |
| 92 | + * declared by this adapter. Step 3 trims their values and reports any blank | |
| 93 | + * required keys. No inactive provider credential can enter the payload. | |
| 94 | + * | |
| 95 | + * @param array $saved_options Saved plugin settings for every provider. | |
| 96 | + * @param int|string $mls_id Selected numeric MLS identifier. | |
| 97 | + * @return array{success:bool,payload:array,missing:array,error:?array} | |
| 98 | + */ | |
| 99 | + public function connection_test_payload( array $saved_options, $mls_id ) { | |
| 100 | + $payload = array( 'mls_id' => trim( (string) $mls_id ) ); | |
| 101 | + $missing = array(); | |
| 102 | + | |
| 103 | + // Copy only this adapter's declared credentials into the outgoing request. | |
| 104 | + foreach ( $this->credential_fields() as $field ) { | |
| 105 | + $value = isset( $saved_options[ $field ] ) | |
| 106 | + ? trim( (string) $saved_options[ $field ] ) | |
| 107 | + : ''; | |
| 108 | + | |
| 109 | + if ( '' === $value ) { | |
| 110 | + $missing[] = $field; | |
| 111 | + continue; | |
| 112 | + } | |
| 113 | + | |
| 114 | + $request_key = isset( $this->connection_payload_keys[ $field ] ) | |
| 115 | + ? $this->connection_payload_keys[ $field ] | |
| 116 | + : $field; | |
| 117 | + $payload[ $request_key ] = $value; | |
| 118 | + } | |
| 119 | + | |
| 120 | + return array( | |
| 121 | + 'success' => array() === $missing, | |
| 122 | + 'payload' => $payload, | |
| 123 | + 'missing' => $missing, | |
| 124 | + 'error' => array() === $missing | |
| 125 | + ? null | |
| 126 | + : array( | |
| 127 | + 'code' => 'missing_credentials', | |
| 128 | + 'message' => 'Required MLS provider credentials are missing.', | |
| 129 | + ), | |
| 130 | + ); | |
| 131 | + } | |
| 132 | + | |
| 133 | + /** | |
| 134 | + * Apply this provider's WordPress-side rules to a Stored-mode request. | |
| 135 | + * | |
| 136 | + * Shared request fields arrive fully assembled by the Import Task caller. | |
| 137 | + * This adapter adds only the provider-specific timestamp here; adapters with | |
| 138 | + * further requirements override this method and then return the same outcome. | |
| 139 | + * | |
| 140 | + * @param array $arguments Shared Stored-mode request arguments. | |
| 141 | + * @param string $last_date Last Successful Sync Time, or an empty string. | |
| 142 | + * @return array{success:bool,arguments:array,error:?array} | |
| 143 | + */ | |
| 144 | + public function prepare_stored_request( array $arguments, $last_date = '' ) { | |
| 145 | + if ( '' !== trim( (string) $last_date ) ) { | |
| 146 | + $arguments['modification_time'] = $this->format_stored_timestamp( $last_date ); | |
| 147 | + } | |
| 148 | + | |
| 149 | + return array( | |
| 150 | + 'success' => true, | |
| 151 | + 'arguments' => $arguments, | |
| 152 | + 'error' => null, | |
| 153 | + ); | |
| 154 | + } | |
| 155 | + | |
| 156 | + /** | |
| 157 | + * Prepare the Import Task field catalog for this Provider Family. | |
| 158 | + * | |
| 159 | + * Most providers use the shared fields unchanged. An adapter overrides this | |
| 160 | + * method only when its MLS API requires a different input shape. | |
| 161 | + * | |
| 162 | + * @param array $fields Import Task fields keyed by RESO field name. | |
| 163 | + * @return array Provider-ready Import Task fields. | |
| 164 | + */ | |
| 165 | + public function prepare_import_task_fields( array $fields ) { | |
| 166 | + return $fields; | |
| 167 | + } | |
| 168 | + | |
| 169 | + /** | |
| 170 | + * Keep timestamps unchanged for providers with no WordPress-side rule. | |
| 171 | + * | |
| 172 | + * @param string $value Saved sync timestamp. | |
| 173 | + * @return string | |
| 174 | + */ | |
| 175 | + protected function format_stored_timestamp( $value ) { | |
| 176 | + return trim( (string) $value ); | |
| 177 | + } | |
| 178 | + | |
| 179 | + /** | |
| 180 | + * Convert a saved timestamp to one exact UTC shape. | |
| 181 | + * | |
| 182 | + * @param string $value Saved sync timestamp. | |
| 183 | + * @param bool $milliseconds Whether to include `.000`. | |
| 184 | + * @param bool $utc_suffix Whether to append the UTC `Z` suffix. | |
| 185 | + * @return string Formatted timestamp, or the trimmed input when invalid. | |
| 186 | + */ | |
| 187 | + protected function format_utc_timestamp( $value, $milliseconds, $utc_suffix ) { | |
| 188 | + $clean = trim( (string) $value ); | |
| 189 | + | |
| 190 | + try { | |
| 191 | + $date = new DateTimeImmutable( $clean, new DateTimeZone( 'UTC' ) ); | |
| 192 | + } catch ( Exception $exception ) { | |
| 193 | + return $clean; | |
| 194 | + } | |
| 195 | + | |
| 196 | + $format = 'Y-m-d\TH:i:s'; | |
| 197 | + if ( $milliseconds ) { | |
| 198 | + $format .= '.000'; | |
| 199 | + } | |
| 200 | + if ( $utc_suffix ) { | |
| 201 | + $format .= '\Z'; | |
| 202 | + } | |
| 203 | + | |
| 204 | + return $date->setTimezone( new DateTimeZone( 'UTC' ) )->format( $format ); | |
| 205 | + } | |
| 206 | + | |
| 207 | + /** | |
| 208 | + * Supported adapters have no provider-selection error. | |
| 209 | + * | |
| 210 | + * @return null | |
| 211 | + */ | |
| 212 | + public function error() { | |
| 213 | + return null; | |
| 214 | + } | |
| 215 | + | |
| 216 | + /** | |
| 217 | + * Report whether this adapter can execute Direct MLS requests today. | |
| 218 | + * | |
| 219 | + * @return bool | |
| 220 | + */ | |
| 221 | + public function supports_direct_access() { | |
| 222 | + return $this->direct_access_supported; | |
| 223 | + } | |
| 224 | + | |
| 225 | + /** | |
| 226 | + * Build this provider's Direct MLS query through the shared OData encoder. | |
| 227 | + * | |
| 228 | + * The encoder knows filter syntax only. The selected adapter supplies every | |
| 229 | + * provider decision in direct_query_rules(), so the helper never switches on | |
| 230 | + * provider type. | |
| 231 | + * | |
| 232 | + * @param array $params Standalone filter and paging values. | |
| 233 | + * @param array $config Per-MLS URLs, expand value, and field_corellation map. | |
| 234 | + * @return string Query beginning with `?`, or empty when Direct MLS is unsupported. | |
| 235 | + */ | |
| 236 | + public function build_direct_query( array $params, array $config ) { | |
| 237 | + if ( ! $this->supports_direct_access() ) { | |
| 238 | + return ''; | |
| 239 | + } | |
| 240 | + | |
| 241 | + return mlsimport_live_build_query_odata( $params, $config, $this->direct_query_rules() ); | |
| 242 | + } | |
| 243 | + | |
| 244 | + /** | |
| 245 | + * Build the OData query for one exact ListingKey. | |
| 246 | + * | |
| 247 | + * @param string $listing_key RESO ListingKey; never cast to an integer. | |
| 248 | + * @param array $config Per-MLS config including expand/field_corellation. | |
| 249 | + * @return string Query beginning with `?`. | |
| 250 | + */ | |
| 251 | + public function build_direct_get_query( $listing_key, array $config ) { | |
| 252 | + $query = '?'; | |
| 253 | + if ( ! empty( $config['expand'] ) ) { | |
| 254 | + $query .= '&$expand=' . $config['expand']; | |
| 255 | + } | |
| 256 | + $query .= '&$top=1&$filter=' . mlsimport_live_filter_list_segment( | |
| 257 | + mlsimport_live_field_alias( 'ListingKey', $config ), | |
| 258 | + array( (string) $listing_key ) | |
| 259 | + ); | |
| 260 | + | |
| 261 | + return (string) preg_replace( '/ and $/', '', $query ); | |
| 262 | + } | |
| 263 | + | |
| 264 | + /** | |
| 265 | + * Return OData choices that are truly identical for this provider. | |
| 266 | + * | |
| 267 | + * @return array<string,bool|int|string> | |
| 268 | + */ | |
| 269 | + protected function direct_query_rules() { | |
| 270 | + return array(); | |
| 271 | + } | |
| 272 | + | |
| 273 | + /** | |
| 274 | + * Build the provider-owned Direct MLS authentication plan. | |
| 275 | + * | |
| 276 | + * The plan contains no inactive credentials. Token providers return their | |
| 277 | + * saved bearer. Expiring-token providers return the exact POST description | |
| 278 | + * their adapter owns; the WordPress HTTP caller only executes the plan. | |
| 279 | + * | |
| 280 | + * @param array $saved_options Saved plugin credential options. | |
| 281 | + * @param array $config Per-MLS config, including provider token URL. | |
| 282 | + * @return array Authentication plan or stable failure result. | |
| 283 | + */ | |
| 284 | + public function direct_auth_plan( array $saved_options, array $config ) { | |
| 285 | + if ( ! $this->supports_direct_access() ) { | |
| 286 | + $result = $this->direct_unsupported_result(); | |
| 287 | + $result['mode'] = null; | |
| 288 | + return $result; | |
| 289 | + } | |
| 290 | + | |
| 291 | + $missing = array(); | |
| 292 | + foreach ( $this->credential_fields() as $field ) { | |
| 293 | + if ( ! isset( $saved_options[ $field ] ) || '' === trim( (string) $saved_options[ $field ] ) ) { | |
| 294 | + $missing[] = $field; | |
| 295 | + } | |
| 296 | + } | |
| 297 | + if ( array() !== $missing ) { | |
| 298 | + return array( | |
| 299 | + 'success' => false, | |
| 300 | + 'mode' => null, | |
| 301 | + 'missing' => $missing, | |
| 302 | + 'error' => array( | |
| 303 | + 'code' => 'missing_credentials', | |
| 304 | + 'message' => 'Required MLS provider credentials are missing.', | |
| 305 | + ), | |
| 306 | + ); | |
| 307 | + } | |
| 308 | + | |
| 309 | + if ( $this->direct_uses_stored_token ) { | |
| 310 | + return array( | |
| 311 | + 'success' => true, | |
| 312 | + 'mode' => 'stored_token', | |
| 313 | + 'token' => trim( (string) $saved_options['mlsimport_mls_token'] ), | |
| 314 | + 'error' => null, | |
| 315 | + ); | |
| 316 | + } | |
| 317 | + | |
| 318 | + $request = $this->direct_token_request( $saved_options, $config ); | |
| 319 | + if ( null === $request ) { | |
| 320 | + return array( | |
| 321 | + 'success' => false, | |
| 322 | + 'mode' => null, | |
| 323 | + 'error' => array( | |
| 324 | + 'code' => 'login_configuration_missing', | |
| 325 | + 'message' => 'The MLS login configuration is incomplete.', | |
| 326 | + ), | |
| 327 | + ); | |
| 328 | + } | |
| 329 | + | |
| 330 | + return array( | |
| 331 | + 'success' => true, | |
| 332 | + 'mode' => 'token_request', | |
| 333 | + 'request' => $request, | |
| 334 | + 'error' => null, | |
| 335 | + ); | |
| 336 | + } | |
| 337 | + | |
| 338 | + /** | |
| 339 | + * Return an expiring-token request, or null for token-as-is providers. | |
| 340 | + * | |
| 341 | + * @param array $saved_options Active provider credentials. | |
| 342 | + * @param array $config Per-MLS configuration. | |
| 343 | + * @return array|null | |
| 344 | + */ | |
| 345 | + protected function direct_token_request( array $saved_options, array $config ) { | |
| 346 | + return null; | |
| 347 | + } | |
| 348 | + | |
| 349 | + /** | |
| 350 | + * Return the standard result for a provider not yet ported to Direct MLS. | |
| 351 | + * | |
| 352 | + * @return array{success:bool,records:array,total:int,error:array} | |
| 353 | + */ | |
| 354 | + public function direct_unsupported_result() { | |
| 355 | + return array( | |
| 356 | + 'success' => false, | |
| 357 | + 'records' => array(), | |
| 358 | + 'total' => 0, | |
| 359 | + 'error' => array( | |
| 360 | + 'code' => 'unsupported_direct_provider', | |
| 361 | + 'message' => 'Direct MLS access is not supported for this provider.', | |
| 362 | + ), | |
| 363 | + ); | |
| 364 | + } | |
| 365 | + | |
| 366 | + /** | |
| 367 | + * Read one Direct MLS HTTP response into a Provider Request Outcome. | |
| 368 | + * | |
| 369 | + * Status is classified before the body is parsed: authentication failures, | |
| 370 | + * rejected queries, and provider/server failures receive distinct safe codes. | |
| 371 | + * A valid envelope with zero records remains a successful outcome. | |
| 372 | + * | |
| 373 | + * @param int $status_code HTTP response status. | |
| 374 | + * @param string $body Raw provider response body. | |
| 375 | + * @return array{success:bool,records:array,total:int,error:?array,warning:?array} | |
| 376 | + */ | |
| 377 | + public function read_direct_response( $status_code, $body ) { | |
| 378 | + $status_code = (int) $status_code; | |
| 379 | + if ( 401 === $status_code || 403 === $status_code ) { | |
| 380 | + return $this->direct_failure( 'login_failure', 'The MLS rejected the saved credentials.' ); | |
| 381 | + } | |
| 382 | + if ( $status_code >= 400 && $status_code < 500 ) { | |
| 383 | + return $this->direct_failure( 'rejected_query', 'The MLS rejected the listings query.' ); | |
| 384 | + } | |
| 385 | + if ( $status_code < 200 || $status_code >= 300 ) { | |
| 386 | + return $this->direct_failure( 'request_failed', 'The MLS request could not be completed.' ); | |
| 387 | + } | |
| 388 | + | |
| 389 | + $parsed = mlsimport_live_parse_response( (string) $body, array() ); | |
| 390 | + if ( null === $parsed ) { | |
| 391 | + return $this->direct_failure( 'invalid_response', 'The MLS returned an invalid listings response.' ); | |
| 392 | + } | |
| 393 | + | |
| 394 | + return array( | |
| 395 | + 'success' => true, | |
| 396 | + 'records' => $parsed['records'], | |
| 397 | + 'total' => $parsed['total'], | |
| 398 | + 'error' => null, | |
| 399 | + 'warning' => null, | |
| 400 | + ); | |
| 401 | + } | |
| 402 | + | |
| 403 | + /** | |
| 404 | + * Return the Direct MLS listing endpoint for this provider. | |
| 405 | + * | |
| 406 | + * @param array $config Per-MLS configuration. | |
| 407 | + * @return string | |
| 408 | + */ | |
| 409 | + public function direct_endpoint( array $config ) { | |
| 410 | + return isset( $config['api_import_url'] ) ? (string) $config['api_import_url'] : ''; | |
| 411 | + } | |
| 412 | + | |
| 413 | + /** | |
| 414 | + * Allow a provider to add separate media after listings succeed. | |
| 415 | + * | |
| 416 | + * Most providers return media with the listing response, so their default is | |
| 417 | + * a no-op. Bright MLS overrides this because it owns a second media request. | |
| 418 | + * | |
| 419 | + * @param array $outcome Successful Provider Request Outcome. | |
| 420 | + * @param array $config Per-MLS configuration. | |
| 421 | + * @param array $headers Authorization headers used for listings. | |
| 422 | + * @param callable|null $http_get Optional fake HTTP getter for tests. | |
| 423 | + * @return array Provider Request Outcome, possibly with media or a warning. | |
| 424 | + */ | |
| 425 | + public function enrich_direct_media( array $outcome, array $config, array $headers, $http_get = null ) { | |
| 426 | + return $outcome; | |
| 427 | + } | |
| 428 | + | |
| 429 | + /** | |
| 430 | + * Build one failed Provider Request Outcome without exposing provider data. | |
| 431 | + * | |
| 432 | + * @param string $code Stable machine-readable failure code. | |
| 433 | + * @param string $message Short safe administrator message. | |
| 434 | + * @return array{success:bool,records:array,total:int,error:array,warning:null} | |
| 435 | + */ | |
| 436 | + protected function direct_failure( $code, $message ) { | |
| 437 | + return array( | |
| 438 | + 'success' => false, | |
| 439 | + 'records' => array(), | |
| 440 | + 'total' => 0, | |
| 441 | + 'error' => array( | |
| 442 | + 'code' => (string) $code, | |
| 443 | + 'message' => (string) $message, | |
| 444 | + ), | |
| 445 | + 'warning' => null, | |
| 446 | + ); | |
| 447 | + } | |
| 30 | 448 | |
| 31 | 449 | } |