diff --git a/h5p.classes.php b/h5p.classes.php index 7bf5cab..14529fc 100644 --- a/h5p.classes.php +++ b/h5p.classes.php @@ -62,6 +62,27 @@ interface H5PFrameworkInterface { * @return array Associative array containg one item per machine name. This item contains an array of libraries. */ public function loadLibraries(); + + /** + * Saving the unsupported library list + * + * @param array A list of unsupported libraries + */ + public function setUnsupportedLibraries($libraries); + + /** + * Returns unsupported libraries + * + * @return array A list of the unsupported libraries + */ + public function getUnsupportedLibraries(); + + /** + * Returns the URL to the library admin page + * + * @return string URL to admin page + */ + public function getAdminUrl(); /** * Get id to an excisting library @@ -522,11 +543,11 @@ class H5PValidator { if ($libraryH5PData !== FALSE) { // Library's directory name and machineName in library.json must match - if ($libraryH5PData['machineName'] !== $file) { - $this->h5pF->setErrorMessage($this->h5pF->t('Library directory name must match machineName in library.json. (Directory: %directoryName , machineName: %machineName)', array('%directoryName' => $file, '%machineName' => $libraryH5PData['machineName']))); - $valid = FALSE; - continue; - } + //if ($libraryH5PData['machineName'] !== $file) { + // $this->h5pF->setErrorMessage($this->h5pF->t('Library directory name must match machineName in library.json. (Directory: %directoryName , machineName: %machineName)', array('%directoryName' => $file, '%machineName' => $libraryH5PData['machineName']))); + // $valid = FALSE; + // continue; + //} $libraries[$libraryH5PData['machineName']] = $libraryH5PData; } else { @@ -998,13 +1019,23 @@ class H5PStorage { * TRUE if one or more libraries were updated * FALSE otherwise */ - public function savePackage($content = NULL, $contentMainId = NULL, $skipContent = FALSE) { + public function savePackage($content = NULL, $contentMainId = NULL, $skipContent = FALSE, $upgradeOnly = FALSE) { // Save the libraries we processed during validation $library_saved = FALSE; + $upgradedLibsCount = 0; $mayUpdateLibraries = $this->h5pF->mayUpdateLibraries(); foreach ($this->h5pC->librariesJsonData as $key => &$library) { $libraryId = $this->h5pF->getLibraryId($key, $library['majorVersion'], $library['minorVersion']); $library['saveDependencies'] = TRUE; + $library['skip'] = FALSE; + if ($upgradeOnly) { + // Is this library already installed? + if ($this->h5pF->loadLibrary($library['machineName'], $library['majorVersion'], $library['minorVersion']) === FALSE) { + $library['skip'] = TRUE; + continue; + } + } + if (!$libraryId) { $new = TRUE; } @@ -1039,7 +1070,7 @@ class H5PStorage { } foreach ($this->h5pC->librariesJsonData as $key => &$library) { - if ($library['saveDependencies']) { + if ($library['saveDependencies'] && !$library['skip']) { $this->h5pF->deleteLibraryDependencies($library['libraryId']); if (isset($library['preloadedDependencies'])) { $this->h5pF->saveLibraryDependencies($library['libraryId'], $library['preloadedDependencies'], 'preloaded'); @@ -1053,6 +1084,8 @@ class H5PStorage { // Make sure libraries dependencies, parameter filtering and export files gets regenerated for all content who uses this library. $this->h5pF->invalidateContentCache($library['libraryId']); + + $upgradedLibsCount++; } } @@ -1088,6 +1121,14 @@ class H5PStorage { $this->h5pF->saveLibraryUsage($contentId, $librariesInUse); H5PCore::deleteFileTree($this->h5pF->getUploadedH5pFolderPath()); } + + // Update supported library list if neccessary: + $this->h5pC->validateLibrarySupport(TRUE); + + if ($upgradeOnly) { + // TODO - support translation + $this->h5pF->setInfoMessage($upgradedLibsCount . ' libraries were upgraded!'); + } return $library_saved; } @@ -1572,7 +1613,19 @@ class H5PCore { } /** - * Recusive. Goes through the dependency tree for the given library and + * Deletes a library + * + * @param unknown $libraryId + */ + public function deleteLibrary($libraryId) { + $this->h5pF->deleteLibrary($libraryId); + + // Force update of unsupported libraries list: + $this->validateLibrarySupport(TRUE); + } + + /** + * Recursive. Goes through the dependency tree for the given library and * adds all the dependencies to the given array in a flat format. * * @param array $librariesUsed Flat list of all dependencies. @@ -1797,6 +1850,119 @@ class H5PCore { return $obj ? (object) $newArr : $newArr; } + + /** + * Check if currently installed H5P libraries are supported by + * the current versjon of core. Which versions of which libraries are supported is + * defined in the library-support.json file. + * + * @param boolean If TRUE, unsupported libraries list are rebuilt. If FALSE, list is + * rebuilt only if non-existing + */ + public function validateLibrarySupport($force = false) { + if (!($this->h5pF->getUnsupportedLibraries() === NULL || $force)) { + return; + } + + // Read and parse library-support.json + $jsonString = file_get_contents(realpath(dirname(__FILE__)).'/library-support.json'); + + if($jsonString !== FALSE) { + // Get all libraries installed, check if any of them is not supported: + $libraries = $this->h5pF->loadLibraries(); + $unsupportedLibraries = array(); + $minimumLibraryVersions = array(); + + $librariesSupported = json_decode($jsonString, true); + foreach ($librariesSupported as $library) { + $minimumLibraryVersions[$library['machineName']]['versions'] = $library['minimumVersions']; + $minimumLibraryVersions[$library['machineName']]['downloadUrl'] = $library['downloadUrl']; + } + + // Iterate over all installed libraries + foreach ($libraries as $machine_name => $libraryList) { + // Check if there are any minimum version requirements for this library + if (isset($minimumLibraryVersions[$machine_name])) { + $minimumVersions = $minimumLibraryVersions[$machine_name]['versions']; + // For each version of this library, check if it is supported + foreach ($libraryList as $library) { + if (!self::isLibraryVersionSupported($library, $minimumVersions)) { + // Current version of this library is not supported + $unsupportedLibraries[] = array ( + 'name' => $machine_name, + 'downloadUrl' => $minimumLibraryVersions[$machine_name]['downloadUrl'], + 'currentVersion' => array ( + 'major' => $library->major_version, + 'minor' => $library->minor_version, + 'patch' => $library->patch_version, + ), + 'minimumVersions' => $minimumVersions, + ); + } + } + } + } + + $this->h5pF->setUnsupportedLibraries(empty($unsupportedLibraries) ? NULL : $unsupportedLibraries); + } + } + + /** + * Check if a specific version of a library is supported + * + * @param object library + * @param array An array containing versions + * @return boolean TRUE if supported, otherwise FALSE + */ + private static function isLibraryVersionSupported ($library, $minimumVersions) { + $major_supported = $minor_supported = $patch_supported = false; + foreach ($minimumVersions as $minimumVersion) { + // A library is supported if: + // --- major is higher than any minimumversion + // --- minor is higher than any minimumversion for a given major + // --- major and minor equals and patch is >= supported + $major_supported |= ($library->major_version > $minimumVersion['major']); + + if ($library->major_version == $minimumVersion['major']) { + $minor_supported |= ($library->minor_version > $minimumVersion['minor']); + } + + if ($library->major_version == $minimumVersion['major'] && + $library->minor_version == $minimumVersion['minor']) { + $patch_supported |= ($library->patch_version >= $minimumVersion['patch']); + } + } + + return ($patch_supported || $minor_supported || $major_supported); + } + + /** + * Helper function for creating markup for the unsupported libraries list + * + * TODO: Make help text translatable + * + * @return string Html + * */ + public function createMarkupForUnsupportedLibraryList($libraries) { + $html = '
The following versions of H5P libraries are not supported anymore:
    '; + + foreach ($libraries as $library) { + $downloadUrl = $library['downloadUrl']; + $libraryName = $library['name']; + $currentVersion = $library['currentVersion']['major'] . '.' . $library['currentVersion']['minor'] .'.' . $library['currentVersion']['patch']; + $minimumVersions = ''; + $prefix = ''; + foreach ($library['minimumVersions'] as $version) { + $minimumVersions .= $prefix . $version['major'] . '.' . $version['minor'] . '.' . $version['patch']; + $prefix = ' or '; + } + + $html .= "
  • $libraryName (Current version: $currentVersion. Minimum version(s): $minimumVersions)
    • "; + } + + $html .= '

These libraries may cause problems on this site.
'; + return $html; + } } /** diff --git a/library-support.json b/library-support.json new file mode 100644 index 0000000..b7b3c08 --- /dev/null +++ b/library-support.json @@ -0,0 +1,123 @@ +[ + { + "machineName": "H5P.CoursePresentation", + "downloadUrl": "http://h5p.org/presentation", + "minimumVersions": [ + { + "major": 1, + "minor": 1, + "patch": 10 + } + ] + }, + { + "machineName": "H5P.Blanks", + "downloadUrl": "http://h5p.org/fill-in-the-blanks", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 65 + } + ] + }, + { + "machineName": "H5P.Dialogcards", + "downloadUrl": "http://h5p.org/dialog-cards", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 28 + } + ] + }, + { + "machineName": "H5P.DragQuestion", + "downloadUrl": "http://h5p.org/drag-and-drop", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 61 + } + ] + }, + { + "machineName": "H5P.InteractiveVideo", + "downloadUrl": "http://h5p.org/interactive-video", + "minimumVersions": [ + { + "major": 1, + "minor": 2, + "patch": 10 + } + ] + }, + { + "machineName": "H5P.Flashcards", + "downloadUrl": "http://h5p.org/flashcards", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 37 + } + ] + }, + { + "machineName": "H5P.ImageHotspots", + "downloadUrl": "http://h5p.org/image-hotspots", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 5 + } + ] + }, + { + "machineName": "H5P.JoubelUI", + "downloadUrl": "http://h5p.org/fill-in-the-blanks", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 6 + } + ] + }, + { + "machineName": "H5P.MultiChoice", + "downloadUrl": "http://h5p.org/multichoice", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 51 + } + ] + }, + { + "machineName": "H5P.QuestionSet", + "downloadUrl": "http://h5p.org/question-set", + "minimumVersions": [ + { + "major": 1, + "minor": 0, + "patch": 53 + } + ] + }, + { + "machineName": "H5P.Summary", + "downloadUrl": "http://h5p.org/summary", + "minimumVersions": [ + { + "major": 1, + "minor": 1, + "patch": 4 + } + ] + } +] \ No newline at end of file