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\Object\Image;
18 use Friendica\Util\DateTimeFormat;
19 use Friendica\Util\Network;
20 use Friendica\Util\Security;
22 require_once "include/dba.php";
25 * Class to handle photo dabatase table
27 class Photo extends BaseObject
30 * @brief Select rows from the photo table
32 * @param array $fields Array of selected fields, empty for all
33 * @param array $conditions Array of fields for conditions
34 * @param array $params Array of several parameters
36 * @return boolean|array
38 * @see \Friendica\Database\DBA::select
40 public static function select(array $fields = [], array $conditions = [], array $params = [])
43 $selected = self::getFields();
46 $r = DBA::select("photo", $fields, $conditions, $params);
47 return DBA::toArray($r);
51 * @brief Retrieve a single record from the photo table
53 * @param array $fields Array of selected fields, empty for all
54 * @param array $conditions Array of fields for conditions
55 * @param array $params Array of several parameters
59 * @see \Friendica\Database\DBA::select
61 public static function selectFirst(array $fields = [], array $conditions = [], array $params = [])
64 $fields = self::getFields();
67 return DBA::selectFirst("photo", $fields, $conditions, $params);
71 * @brief Get photos for user id
73 * @param integer $uid User id
74 * @param string $resourceid Rescource ID of the photo
75 * @param array $conditions Array of fields for conditions
76 * @param array $params Array of several parameters
80 * @see \Friendica\Database\DBA::select
82 public static function getPhotosForUser($uid, $resourceid, array $conditions = [], array $params = [])
84 $conditions["resource-id"] = $resourceid;
85 $conditions["uid"] = $uid;
87 return self::select([], $conditions, $params);
91 * @brief Get a photo for user id
93 * @param integer $uid User id
94 * @param string $resourceid Rescource ID of the photo
95 * @param integer $scale Scale of the photo. Defaults to 0
96 * @param array $conditions Array of fields for conditions
97 * @param array $params Array of several parameters
101 * @see \Friendica\Database\DBA::select
103 public static function getPhotoForUser($uid, $resourceid, $scale = 0, array $conditions = [], array $params = [])
105 $conditions["resource-id"] = $resourceid;
106 $conditions["uid"] = $uid;
107 $conditions["scale"] = $scale;
109 return self::selectFirst([], $conditions, $params);
113 * @brief Get a single photo given resource id and scale
115 * This method checks for permissions. Returns associative array
116 * on success, "no sign" image info, if user has no permission,
117 * false if photo does not exists
119 * @param string $resourceid Rescource ID of the photo
120 * @param integer $scale Scale of the photo. Defaults to 0
122 * @return boolean|array
124 public static function getPhoto($resourceid, $scale = 0)
126 $r = self::selectFirst(["uid"], ["resource-id" => $resourceid]);
131 $sql_acl = Security::getPermissionsSQLByUserId($r["uid"]);
134 "`resource-id` = ? AND `scale` <= ? " . $sql_acl,
138 $params = ["order" => ["scale" => true]];
140 $photo = self::selectFirst([], $conditions, $params);
141 if ($photo === false) {
142 return self::createPhotoForSystemResource("images/nosign.jpg");
148 * @brief Check if photo with given conditions exists
150 * @param array $conditions Array of extra conditions
154 public static function exists(array $conditions)
156 return DBA::exists("photo", $conditions);
161 * @brief Get Image object for given row id. null if row id does not exist
163 * @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
165 * @return \Friendica\Object\Image
167 public static function getImageForPhoto(array $photo)
170 if ($photo["backend-class"] == "") {
171 // legacy data storage in "data" column
172 $i = self::selectFirst(["data"], ["id" => $photo["id"]]);
178 $backendClass = $photo["backend-class"];
179 $backendRef = $photo["backend-ref"];
180 $data = $backendClass::get($backendRef);
186 return new Image($data, $photo["type"]);
190 * @brief Return a list of fields that are associated with the photo table
192 * @return array field list
194 private static function getFields()
196 $allfields = DBStructure::definition(false);
197 $fields = array_keys($allfields["photo"]["fields"]);
198 array_splice($fields, array_search("data", $fields), 1);
203 * @brief Construct a photo array for a system resource image
205 * @param string $filename Image file name relative to code root
206 * @param string $mimetype Image mime type. Defaults to "image/jpeg"
210 public static function createPhotoForSystemResource($filename, $mimetype = "image/jpeg")
212 $fields = self::getFields();
213 $values = array_fill(0, count($fields), "");
214 $photo = array_combine($fields, $values);
215 $photo["backend-class"] = \Friendica\Model\Storage\SystemResource::class;
216 $photo["backend-ref"] = $filename;
217 $photo["type"] = $mimetype;
218 $photo["cacheable"] = false;
224 * @brief store photo metadata in db and binary in default backend
226 * @param Image $Image Image object with data
227 * @param integer $uid User ID
228 * @param integer $cid Contact ID
229 * @param integer $rid Resource ID
230 * @param string $filename Filename
231 * @param string $album Album name
232 * @param integer $scale Scale
233 * @param integer $profile Is a profile image? optional, default = 0
234 * @param string $allow_cid Permissions, allowed contacts. optional, default = ""
235 * @param string $allow_gid Permissions, allowed groups. optional, default = ""
236 * @param string $deny_cid Permissions, denied contacts.optional, default = ""
237 * @param string $deny_gid Permissions, denied greoup.optional, default = ""
238 * @param string $desc Photo caption. optional, default = ""
240 * @return boolean True on success
242 public static function store(Image $Image, $uid, $cid, $rid, $filename, $album, $scale, $profile = 0, $allow_cid = "", $allow_gid = "", $deny_cid = "", $deny_gid = "", $desc = "")
244 $photo = self::selectFirst(["guid"], ["`resource-id` = ? AND `guid` != ?", $rid, ""]);
245 if (DBA::isResult($photo)) {
246 $guid = $photo["guid"];
248 $guid = System::createGUID();
251 $existing_photo = self::selectFirst(["id", "created", "backend-class", "backend-ref"], ["resource-id" => $rid, "uid" => $uid, "contact-id" => $cid, "scale" => $scale]);
252 $created = DateTimeFormat::utcNow();
253 if (DBA::isResult($existing_photo)) {
254 $created = $existing_photo["created"];
257 // Get defined storage backend.
258 // if no storage backend, we use old "data" column in photo table.
259 // if is an existing photo, reuse same backend
264 if (DBA::isResult($existing_photo)) {
265 $backend_ref = (string)$existing_photo["backend-ref"];
266 $backend_class = (string)$existing_photo["backend-class"];
268 $backend_class = StorageManager::getBackend();
270 if ($backend_class === "") {
271 $data = $Image->asString();
273 $backend_ref = $backend_class::put($Image->asString(), $backend_ref);
279 "contact-id" => $cid,
281 "resource-id" => $rid,
282 "created" => $created,
283 "edited" => DateTimeFormat::utcNow(),
284 "filename" => basename($filename),
285 "type" => $Image->getType(),
287 "height" => $Image->getHeight(),
288 "width" => $Image->getWidth(),
289 "datasize" => strlen($Image->asString()),
292 "profile" => $profile,
293 "allow_cid" => $allow_cid,
294 "allow_gid" => $allow_gid,
295 "deny_cid" => $deny_cid,
296 "deny_gid" => $deny_gid,
298 "backend-class" => $backend_class,
299 "backend-ref" => $backend_ref
302 if (DBA::isResult($existing_photo)) {
303 $r = DBA::update("photo", $fields, ["id" => $existing_photo["id"]]);
305 $r = DBA::insert("photo", $fields);
312 * @brief Delete info from table and data from storage
314 * @param array $conditions Field condition(s)
315 * @param array $options Options array, Optional
319 * @see \Friendica\Database\DBA::delete
321 public static function delete(array $conditions, array $options = [])
323 // get photo to delete data info
324 $photos = self::select(["backend-class","backend-ref"], $conditions);
326 foreach($photos as $photo) {
327 $backend_class = (string)$photo["backend-class"];
328 if ($backend_class !== "") {
329 $backend_class::delete($photo["backend-ref"]);
333 return DBA::delete("photo", $conditions, $options);
337 * @brief Update a photo
339 * @param array $fields Contains the fields that are updated
340 * @param array $conditions Condition array with the key values
341 * @param Image $img Image to update. Optional, default null.
342 * @param array|boolean $old_fields Array with the old field values that are about to be replaced (true = update on duplicate)
344 * @return boolean Was the update successfull?
346 * @see \Friendica\Database\DBA::update
348 public static function update($fields, $conditions, Image $img = null, array $old_fields = [])
350 if (!is_null($img)) {
351 // get photo to update
352 $photos = self::select(["backend-class","backend-ref"], $conditions);
354 foreach($photos as $photo) {
355 $backend_class = (string)$photo["backend-class"];
356 if ($backend_class !== "") {
357 $fields["backend-ref"] = $backend_class::put($img->asString(), $photo["backend-ref"]);
359 $fields["data"] = $img->asString();
362 $fields['updated'] = DateTimeFormat::utcNow();
365 $fields['edited'] = DateTimeFormat::utcNow();
367 return DBA::update("photo", $fields, $conditions);
371 * @param string $image_url Remote URL
372 * @param integer $uid user id
373 * @param integer $cid contact id
374 * @param boolean $quit_on_error optional, default false
377 public static function importProfilePhoto($image_url, $uid, $cid, $quit_on_error = false)
382 $photo = DBA::selectFirst(
383 "photo", ["resource-id"], ["uid" => $uid, "contact-id" => $cid, "scale" => 4, "album" => "Contact Photos"]
385 if (!empty($photo['resource-id'])) {
386 $hash = $photo["resource-id"];
388 $hash = self::newResource();
391 $photo_failure = false;
393 $filename = basename($image_url);
394 $img_str = Network::fetchUrl($image_url, true);
396 if ($quit_on_error && ($img_str == "")) {
400 $type = Image::guessType($image_url, true);
401 $Image = new Image($img_str, $type);
402 if ($Image->isValid()) {
403 $Image->scaleToSquare(300);
405 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 4);
408 $photo_failure = true;
411 $Image->scaleDown(80);
413 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 5);
416 $photo_failure = true;
419 $Image->scaleDown(48);
421 $r = self::store($Image, $uid, $cid, $hash, $filename, "Contact Photos", 6);
424 $photo_failure = true;
427 $suffix = "?ts=" . time();
429 $image_url = System::baseUrl() . "/photo/" . $hash . "-4." . $Image->getExt() . $suffix;
430 $thumb = System::baseUrl() . "/photo/" . $hash . "-5." . $Image->getExt() . $suffix;
431 $micro = System::baseUrl() . "/photo/" . $hash . "-6." . $Image->getExt() . $suffix;
433 // Remove the cached photo
435 $basepath = $a->getBasePath();
437 if (is_dir($basepath . "/photo")) {
438 $filename = $basepath . "/photo/" . $hash . "-4." . $Image->getExt();
439 if (file_exists($filename)) {
442 $filename = $basepath . "/photo/" . $hash . "-5." . $Image->getExt();
443 if (file_exists($filename)) {
446 $filename = $basepath . "/photo/" . $hash . "-6." . $Image->getExt();
447 if (file_exists($filename)) {
452 $photo_failure = true;
455 if ($photo_failure && $quit_on_error) {
459 if ($photo_failure) {
460 $image_url = System::baseUrl() . "/images/person-300.jpg";
461 $thumb = System::baseUrl() . "/images/person-80.jpg";
462 $micro = System::baseUrl() . "/images/person-48.jpg";
465 return [$image_url, $thumb, $micro];
469 * @param string $exifCoord coordinate
470 * @param string $hemi hemi
473 public static function getGps($exifCoord, $hemi)
475 $degrees = count($exifCoord) > 0 ? self::gps2Num($exifCoord[0]) : 0;
476 $minutes = count($exifCoord) > 1 ? self::gps2Num($exifCoord[1]) : 0;
477 $seconds = count($exifCoord) > 2 ? self::gps2Num($exifCoord[2]) : 0;
479 $flip = ($hemi == "W" || $hemi == "S") ? -1 : 1;
481 return floatval($flip * ($degrees + ($minutes / 60) + ($seconds / 3600)));
485 * @param string $coordPart coordPart
488 private static function gps2Num($coordPart)
490 $parts = explode("/", $coordPart);
492 if (count($parts) <= 0) {
496 if (count($parts) == 1) {
500 return floatval($parts[0]) / floatval($parts[1]);
504 * @brief Fetch the photo albums that are available for a viewer
506 * The query in this function is cost intensive, so it is cached.
508 * @param int $uid User id of the photos
509 * @param bool $update Update the cache
511 * @return array Returns array of the photo albums
513 public static function getAlbums($uid, $update = false)
515 $sql_extra = Security::getPermissionsSQLByUserId($uid);
517 $key = "photo_albums:".$uid.":".local_user().":".remote_user();
518 $albums = Cache::get($key);
519 if (is_null($albums) || $update) {
520 if (!Config::get("system", "no_count", false)) {
521 /// @todo This query needs to be renewed. It is really slow
522 // At this time we just store the data in the cache
523 $albums = q("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
525 WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
526 GROUP BY `album` ORDER BY `created` DESC",
528 DBA::escape("Contact Photos"),
529 DBA::escape(L10n::t("Contact Photos"))
532 // This query doesn't do the count and is much faster
533 $albums = q("SELECT DISTINCT(`album`), '' AS `total`
534 FROM `photo` USE INDEX (`uid_album_scale_created`)
535 WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra",
537 DBA::escape("Contact Photos"),
538 DBA::escape(L10n::t("Contact Photos"))
541 Cache::set($key, $albums, Cache::DAY);
547 * @param int $uid User id of the photos
550 public static function clearAlbumCache($uid)
552 $key = "photo_albums:".$uid.":".local_user().":".remote_user();
553 Cache::set($key, null, Cache::DAY);
557 * Generate a unique photo ID.
561 public static function newResource()
563 return System::createGUID(32, false);