public function toResponseJSON($requestParams=[], Zotero_Permissions $permissions, $sharedData=null) { $t = microtime(true); if (!$this->loaded['primaryData']) { $this->loadPrimaryData(); } if (!$this->loaded['itemData']) { $this->loadItemData(); } // Uncached stuff or parts of the cache key $version = $this->version; $parent = $this->getSource(); $isRegularItem = !$parent && $this->isRegularItem(); $downloadDetails = $permissions->canAccess($this->libraryID, 'files') ? Zotero_Storage::getDownloadDetails($this) : false; if ($isRegularItem) { $numChildren = $permissions->canAccess($this->libraryID, 'notes') ? $this->numChildren() : $this->numAttachments(); } $libraryType = Zotero_Libraries::getType($this->libraryID); // Any query parameters that have an effect on the output // need to be added here $allowedParams = [ 'include', 'style', 'css', 'linkwrap' ]; $cachedParams = Z_Array::filterKeys($requestParams, $allowedParams); $cacheVersion = 1; $cacheKey = "jsonEntry_" . $this->libraryID . "/" . $this->id . "_" . md5( $version . json_encode($cachedParams) . ($downloadDetails ? 'hasFile' : '') // For groups, include the group WWW URL, which can change . ($libraryType == 'group' ? Zotero_URI::getItemURI($this, true) : '') ) . "_" . $requestParams['v'] // For code-based changes . "_" . $cacheVersion // For data-based changes . (isset(Z_CONFIG::$CACHE_VERSION_RESPONSE_JSON_ITEM) ? "_" . Z_CONFIG::$CACHE_VERSION_RESPONSE_JSON_ITEM : "") // If there's bib content, include the bib cache version . ((in_array('bib', $requestParams['include']) && isset(Z_CONFIG::$CACHE_VERSION_BIB)) ? "_" . Z_CONFIG::$CACHE_VERSION_BIB : ""); $cached = Z_Core::$MC->get($cacheKey); if (false && $cached) { // Make sure numChildren reflects the current permissions if ($isRegularItem) { $json = json_decode($cached); $json['numChildren'] = $numChildren; $cached = json_encode($json); } //StatsD::timing("api.items.itemToResponseJSON.cached", (microtime(true) - $t) * 1000); //StatsD::increment("memcached.items.itemToResponseJSON.hit"); // Skip the cache every 10 times for now, to ensure cache sanity if (!Z_Core::probability(10)) { return $cached; } } $json = [ 'key' => $this->key, 'version' => $version, 'library' => Zotero_Libraries::toJSON($this->libraryID) ]; $json['links'] = [ 'self' => [ 'href' => Zotero_API::getItemURI($this), 'type' => 'application/json' ], 'alternate' => [ 'href' => Zotero_URI::getItemURI($this, true), 'type' => 'text/html' ] ]; if ($parent) { $parentItem = Zotero_Items::get($this->libraryID, $parent); $json['links']['up'] = [ 'href' => Zotero_API::getItemURI($parentItem), 'type' => 'application/json' ]; } // If appropriate permissions and the file is stored in ZFS, get file request link if ($downloadDetails) { $details = $downloadDetails; $type = $this->attachmentMIMEType; if ($type) { $json['links']['enclosure'] = [ 'type' => $type ]; } $json['links']['enclosure']['href'] = $details['url']; if (!empty($details['filename'])) { $json['links']['enclosure']['title'] = $details['filename']; } if (isset($details['size'])) { $json['links']['enclosure']['length'] = $details['size']; } } // 'meta' $json['meta'] = new stdClass; if (Zotero_Libraries::getType($this->libraryID) == 'group') { $createdByUserID = $this->createdByUserID; $lastModifiedByUserID = $this->lastModifiedByUserID; if ($createdByUserID) { $json['meta']->createdByUser = Zotero_Users::toJSON($createdByUserID); } if ($lastModifiedByUserID && $lastModifiedByUserID != $createdByUserID) { $json['meta']->lastModifiedByUser = Zotero_Users::toJSON($lastModifiedByUserID); } } if ($isRegularItem) { $val = $this->getCreatorSummary(); if ($val !== '') { $json['meta']->creatorSummary = $val; } $val = $this->getField('date', true, true, true); if ($val !== '') { $sqlDate = Zotero_Date::multipartToSQL($val); if (substr($sqlDate, 0, 4) !== '0000') { $json['meta']->parsedDate = Zotero_Date::sqlToISO8601($sqlDate); } } $json['meta']->numChildren = $numChildren; } // 'include' $include = $requestParams['include']; foreach ($include as $type) { if ($type == 'html') { $json[$type] = trim($this->toHTML()); } else if ($type == 'citation') { if (isset($sharedData[$type][$this->libraryID . "/" . $this->key])) { $html = $sharedData[$type][$this->libraryID . "/" . $this->key]; } else { if ($sharedData !== null) { //error_log("Citation not found in sharedData -- retrieving individually"); } $html = Zotero_Cite::getCitationFromCiteServer($this, $requestParams); } $json[$type] = $html; } else if ($type == 'bib') { if (isset($sharedData[$type][$this->libraryID . "/" . $this->key])) { $html = $sharedData[$type][$this->libraryID . "/" . $this->key]; } else { if ($sharedData !== null) { //error_log("Bibliography not found in sharedData -- retrieving individually"); } $html = Zotero_Cite::getBibliographyFromCitationServer([$this], $requestParams); // Strip prolog $html = preg_replace('/^<\?xml.+\n/', "", $html); $html = trim($html); } $json[$type] = $html; } else if ($type == 'data') { $json[$type] = $this->toJSON(true, $requestParams, true); } else if ($type == 'csljson') { $json[$type] = $this->toCSLItem(); } else if (in_array($type, Zotero_Translate::$exportFormats)) { $export = Zotero_Translate::doExport([$this], $type); $json[$type] = $export['body']; unset($export); } } // TEMP if ($cached) { $uncached = Zotero_Utilities::formatJSON($json); if ($cached != $uncached) { error_log("Cached JSON item entry does not match"); error_log(" Cached: " . $cached); error_log("Uncached: " . $uncached); //Z_Core::$MC->set($cacheKey, $uncached, 3600); // 1 hour for now } } else { /*Z_Core::$MC->set($cacheKey, $xmlstr, 3600); // 1 hour for now StatsD::timing("api.items.itemToAtom.uncached", (microtime(true) - $t) * 1000); StatsD::increment("memcached.items.itemToAtom.miss");*/ } return $json; }