4 * @file src/Model/Photo.php
5 * @brief This file contains the Photo class for database interface
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Core\Cache;
11 use Friendica\Core\Config;
12 use Friendica\Core\L10n;
13 use Friendica\Core\System;
14 use Friendica\Core\StorageManager;
15 use Friendica\Database\DBA;
16 use Friendica\Database\DBStructure;
17 use Friendica\Model\Storage\IStorage;
18 use Friendica\Object\Image;
19 use Friendica\Util\DateTimeFormat;
20 use Friendica\Util\Network;
21 use Friendica\Util\Security;
23 require_once "include/dba.php";
26 * Class to handle photo dabatase table
28 class Photo extends BaseObject
31 * @brief Select rows from the photo table
33 * @param array $fields Array of selected fields, empty for all
34 * @param array $conditions Array of fields for conditions
35 * @param array $params Array of several parameters
37 * @return boolean|array
40 * @see \Friendica\Database\DBA::select
42 public static function select(array $fields = [], array $conditions = [], array $params = [])
45 $fields = self::getFields();
48 $r = DBA::select("photo", $fields, $conditions, $params);
49 return DBA::toArray($r);
53 * @brief Retrieve a single record from the photo table
55 * @param array $fields Array of selected fields, empty for all
56 * @param array $conditions Array of fields for conditions
57 * @param array $params Array of several parameters
62 * @see \Friendica\Database\DBA::select
64 public static function selectFirst(array $fields = [], array $conditions = [], array $params = [])
67 $fields = self::getFields();
70 return DBA::selectFirst("photo", $fields, $conditions, $params);
74 * @brief Get photos for user id
76 * @param integer $uid User id
77 * @param string $resourceid Rescource ID of the photo
78 * @param array $conditions Array of fields for conditions
79 * @param array $params Array of several parameters
84 * @see \Friendica\Database\DBA::select
86 public static function getPhotosForUser($uid, $resourceid, array $conditions = [], array $params = [])
88 $conditions["resource-id"] = $resourceid;
89 $conditions["uid"] = $uid;
91 return self::select([], $conditions, $params);
95 * @brief Get a photo for user id
97 * @param integer $uid User id
98 * @param string $resourceid Rescource ID of the photo
99 * @param integer $scale Scale of the photo. Defaults to 0
100 * @param array $conditions Array of fields for conditions
101 * @param array $params Array of several parameters
106 * @see \Friendica\Database\DBA::select
108 public static function getPhotoForUser($uid, $resourceid, $scale = 0, array $conditions = [], array $params = [])
110 $conditions["resource-id"] = $resourceid;
111 $conditions["uid"] = $uid;
112 $conditions["scale"] = $scale;
114 return self::selectFirst([], $conditions, $params);
118 * @brief Get a single photo given resource id and scale
120 * This method checks for permissions. Returns associative array
121 * on success, "no sign" image info, if user has no permission,
122 * false if photo does not exists
124 * @param string $resourceid Rescource ID of the photo
125 * @param integer $scale Scale of the photo. Defaults to 0
127 * @return boolean|array
130 public static function getPhoto($resourceid, $scale = 0)
132 $r = self::selectFirst(["uid"], ["resource-id" => $resourceid]);
137 $sql_acl = Security::getPermissionsSQLByUserId($r["uid"]);
140 "`resource-id` = ? AND `scale` <= ? " . $sql_acl,
144 $params = ["order" => ["scale" => true]];
146 $photo = self::selectFirst([], $conditions, $params);
152 * @brief Check if photo with given conditions exists
154 * @param array $conditions Array of extra conditions
159 public static function exists(array $conditions)
161 return DBA::exists("photo", $conditions);
166 * @brief Get Image object for given row id. null if row id does not exist
168 * @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
170 * @return \Friendica\Object\Image
171 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
172 * @throws \ImagickException
174 public static function getImageForPhoto(array $photo)
176 if ($photo["backend-class"] == "") {
177 // legacy data storage in "data" column
178 $i = self::selectFirst(["data"], ["id" => $photo["id"]]);
184 $backendClass = $photo["backend-class"];
185 $backendRef = $photo["backend-ref"];
186 $data = $backendClass::get($backendRef);
192 return new Image($data, $photo["type"]);
196 * @brief Return a list of fields that are associated with the photo table
198 * @return array field list
201 private static function getFields()
203 $allfields = DBStructure::definition(false);
204 $fields = array_keys($allfields["photo"]["fields"]);
205 array_splice($fields, array_search("data", $fields), 1);
210 * @brief Construct a photo array for a system resource image
212 * @param string $filename Image file name relative to code root
213 * @param string $mimetype Image mime type. Defaults to "image/jpeg"
218 public static function createPhotoForSystemResource($filename, $mimetype = "image/jpeg")
220 $fields = self::getFields();
221 $values = array_fill(0, count($fields), "");
222 $photo = array_combine($fields, $values);
223 $photo["backend-class"] = Storage\SystemResource::class;
224 $photo["backend-ref"] = $filename;
225 $photo["type"] = $mimetype;
226 $photo["cacheable"] = false;
232 * @brief store photo metadata in db and binary in default backend
234 * @param Image $Image Image object with data
235 * @param integer $uid User ID
236 * @param integer $cid Contact ID
237 * @param integer $rid Resource ID
238 * @param string $filename Filename
239 * @param string $album Album name
240 * @param integer $scale Scale
241 * @param integer $profile Is a profile image? optional, default = 0
242 * @param string $allow_cid Permissions, allowed contacts. optional, default = ""
243 * @param string $allow_gid Permissions, allowed groups. optional, default = ""
244 * @param string $deny_cid Permissions, denied contacts.optional, default = ""
245 * @param string $deny_gid Permissions, denied greoup.optional, default = ""
246 * @param string $desc Photo caption. optional, default = ""
248 * @return boolean True on success
249 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
251 public static function store(Image $Image, $uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = "", $allow_gid = "", $deny_cid = "", $deny_gid = "", $desc = "")
253 $photo = self::selectFirst(["guid"], ["`resource-id` = ? AND `guid` != ?", $rid, ""]);
254 if (DBA::isResult($photo)) {
255 $guid = $photo["guid"];
257 $guid = System::createGUID();
260 $existing_photo = self::selectFirst(["id", "created", "backend-class", "backend-ref"], ["resource-id" => $rid, "uid" => $uid, "contact-id" => $cid, "scale" => $scale]);
261 $created = DateTimeFormat::utcNow();
262 if (DBA::isResult($existing_photo)) {
263 $created = $existing_photo["created"];
266 // Get defined storage backend.
267 // if no storage backend, we use old "data" column in photo table.
268 // if is an existing photo, reuse same backend
272 /** @var IStorage $backend_class */
273 if (DBA::isResult($existing_photo)) {
274 $backend_ref = (string)$existing_photo["backend-ref"];
275 $backend_class = (string)$existing_photo["backend-class"];
277 $backend_class = StorageManager::getBackend();
280 if ($backend_class === "") {
281 $data = $Image->asString();
283 $backend_ref = $backend_class::put($Image->asString(), $backend_ref);
289 "contact-id" => $cid,
291 "resource-id" => $rid,
292 "created" => $created,
293 "edited" => DateTimeFormat::utcNow(),
294 "filename" => basename($filename),
295 "type" => $Image->getType(),
297 "height" => $Image->getHeight(),
298 "width" => $Image->getWidth(),
299 "datasize" => strlen($Image->asString()),
302 "profile" => $profile,
303 "allow_cid" => $allow_cid,
304 "allow_gid" => $allow_gid,
305 "deny_cid" => $deny_cid,
306 "deny_gid" => $deny_gid,
308 "backend-class" => $backend_class,
309 "backend-ref" => $backend_ref
312 if (DBA::isResult($existing_photo)) {
313 $r = DBA::update("photo", $fields, ["id" => $existing_photo["id"]]);
315 $r = DBA::insert("photo", $fields);
323 * @brief Delete info from table and data from storage
325 * @param array $conditions Field condition(s)
326 * @param array $options Options array, Optional
331 * @see \Friendica\Database\DBA::delete
333 public static function delete(array $conditions, array $options = [])
335 // get photo to delete data info
336 $photos = self::select(["backend-class","backend-ref"], $conditions);
338 foreach($photos as $photo) {
339 /** @var IStorage $backend_class */
340 $backend_class = (string)$photo["backend-class"];
341 if ($backend_class !== "") {
342 $backend_class::delete($photo["backend-ref"]);
346 return DBA::delete("photo", $conditions, $options);
350 * @brief Update a photo
352 * @param array $fields Contains the fields that are updated
353 * @param array $conditions Condition array with the key values
354 * @param Image $img Image to update. Optional, default null.
355 * @param array|boolean $old_fields Array with the old field values that are about to be replaced (true = update on duplicate)
357 * @return boolean Was the update successfull?
359 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
360 * @see \Friendica\Database\DBA::update
362 public static function update($fields, $conditions, Image $img = null, array $old_fields = [])
364 if (!is_null($img)) {
365 // get photo to update
366 $photos = self::select(["backend-class","backend-ref"], $conditions);
368 foreach($photos as $photo) {
369 /** @var IStorage $backend_class */
370 $backend_class = (string)$photo["backend-class"];
371 if ($backend_class !== "") {
372 $fields["backend-ref"] = $backend_class::put($img->asString(), $photo["backend-ref"]);
374 $fields["data"] = $img->asString();
377 $fields['updated'] = DateTimeFormat::utcNow();
380 $fields['edited'] = DateTimeFormat::utcNow();
382 return DBA::update("photo", $fields, $conditions, $old_fields);
386 * @param string $image_url Remote URL
387 * @param integer $uid user id
388 * @param integer $cid contact id
389 * @param boolean $quit_on_error optional, default false
391 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
392 * @throws \ImagickException
394 public static function importProfilePhoto($image_url, $uid, $cid, $quit_on_error = false)
399 $photo = DBA::selectFirst(
400 "photo", ["resource-id"], ["uid" => $uid, "contact-id" => $cid, "scale" => 4, "album" => "Contact Photos"]
402 if (!empty($photo['resource-id'])) {
403 $hash = $photo["resource-id"];
405 $hash = self::newResource();
408 $photo_failure = false;
410 $filename = basename($image_url);
411 $img_str = Network::fetchUrl($image_url, true);
413 if ($quit_on_error && ($img_str == "")) {
417 $type = Image::guessType($image_url, true);
418 $Image = new Image($img_str, $type);
419 if ($Image->isValid()) {
420 $Image->scaleToSquare(300);
422 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 4);
425 $photo_failure = true;
428 $Image->scaleDown(80);
430 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 5);
433 $photo_failure = true;
436 $Image->scaleDown(48);
438 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 6);
441 $photo_failure = true;
444 $suffix = "?ts=" . time();
446 $image_url = System::baseUrl() . "/photo/" . $hash . "-4." . $Image->getExt() . $suffix;
447 $thumb = System::baseUrl() . "/photo/" . $hash . "-5." . $Image->getExt() . $suffix;
448 $micro = System::baseUrl() . "/photo/" . $hash . "-6." . $Image->getExt() . $suffix;
450 // Remove the cached photo
452 $basepath = $a->getBasePath();
454 if (is_dir($basepath . "/photo")) {
455 $filename = $basepath . "/photo/" . $hash . "-4." . $Image->getExt();
456 if (file_exists($filename)) {
459 $filename = $basepath . "/photo/" . $hash . "-5." . $Image->getExt();
460 if (file_exists($filename)) {
463 $filename = $basepath . "/photo/" . $hash . "-6." . $Image->getExt();
464 if (file_exists($filename)) {
469 $photo_failure = true;
472 if ($photo_failure && $quit_on_error) {
476 if ($photo_failure) {
477 $image_url = System::baseUrl() . "/images/person-300.jpg";
478 $thumb = System::baseUrl() . "/images/person-80.jpg";
479 $micro = System::baseUrl() . "/images/person-48.jpg";
482 return [$image_url, $thumb, $micro];
486 * @param array $exifCoord coordinate
487 * @param string $hemi hemi
490 public static function getGps($exifCoord, $hemi)
492 $degrees = count($exifCoord) > 0 ? self::gps2Num($exifCoord[0]) : 0;
493 $minutes = count($exifCoord) > 1 ? self::gps2Num($exifCoord[1]) : 0;
494 $seconds = count($exifCoord) > 2 ? self::gps2Num($exifCoord[2]) : 0;
496 $flip = ($hemi == "W" || $hemi == "S") ? -1 : 1;
498 return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
502 * @param string $coordPart coordPart
505 private static function gps2Num($coordPart)
507 $parts = explode("/", $coordPart);
509 if (count($parts) <= 0) {
513 if (count($parts) == 1) {
517 return floatval($parts[0]) / floatval($parts[1]);
521 * @brief Fetch the photo albums that are available for a viewer
523 * The query in this function is cost intensive, so it is cached.
525 * @param int $uid User id of the photos
526 * @param bool $update Update the cache
528 * @return array Returns array of the photo albums
529 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
531 public static function getAlbums($uid, $update = false)
533 $sql_extra = Security::getPermissionsSQLByUserId($uid);
535 $key = "photo_albums:".$uid.":".local_user().":".remote_user();
536 $albums = Cache::get($key);
537 if (is_null($albums) || $update) {
538 if (!Config::get("system", "no_count", false)) {
539 /// @todo This query needs to be renewed. It is really slow
540 // At this time we just store the data in the cache
541 $albums = q("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
543 WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
544 GROUP BY `album` ORDER BY `created` DESC",
546 DBA::escape("Contact Photos"),
547 DBA::escape(L10n::t("Contact Photos"))
550 // This query doesn't do the count and is much faster
551 $albums = q("SELECT DISTINCT(`album`), '' AS `total`
552 FROM `photo` USE INDEX (`uid_album_scale_created`)
553 WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra",
555 DBA::escape("Contact Photos"),
556 DBA::escape(L10n::t("Contact Photos"))
559 Cache::set($key, $albums, Cache::DAY);
565 * @param int $uid User id of the photos
569 public static function clearAlbumCache($uid)
571 $key = "photo_albums:".$uid.":".local_user().":".remote_user();
572 Cache::set($key, null, Cache::DAY);
576 * Generate a unique photo ID.
581 public static function newResource()
583 return System::createGUID(32, false);