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221 lines
5.5 KiB
221 lines
5.5 KiB
/** |
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* Nextcloud - Gallery |
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* |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Olivier Paroz <galleryapps@oparoz.com> |
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* |
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* @copyright Olivier Paroz 2017 |
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*/ |
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/* global _, Gallery, Thumbnails */ |
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/** |
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* OCA.FileList methods needed for file uploading |
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* |
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* This hack makes it possible to use the Files scripts as is, without having to import and |
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* maintain them in Gallery |
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* |
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* Empty methods are for the "new" button, if we want to implement that one day |
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* |
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* @type {{findFile: FileList.findFile, createFile: FileList.createFile, |
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* getCurrentDirectory: FileList.getCurrentDirectory, getUploadUrl: |
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* FileList.getUploadUrl}} |
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*/ |
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var FileList = { |
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/** |
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* Makes sure the filename does not exist |
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* |
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* Gives an early chance to the user to abort the action, before uploading everything to the |
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* server. |
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* Albums are not supported as we don't have a full list of images contained in a sub-album |
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* |
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* @param fileName |
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* @returns {*} |
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*/ |
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findFile: function (fileName) { |
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"use strict"; |
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var path = Gallery.currentAlbum + '/' + fileName; |
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var galleryImage = Gallery.imageMap[path]; |
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if (galleryImage) { |
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var fileInfo = { |
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name: fileName, |
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directory: Gallery.currentAlbum, |
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path: path, |
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etag: galleryImage.etag, |
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mtime: galleryImage.mTime * 1000, // Javascript gives the Epoch time in milliseconds |
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size: galleryImage.size |
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}; |
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return fileInfo; |
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} else { |
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return null; |
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} |
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}, |
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/** |
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* Create an empty file inside the current album. |
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* |
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* @param {string} name name of the file |
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* |
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* @return {Promise} promise that will be resolved after the |
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* file was created |
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* |
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*/ |
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createFile: function(name) { |
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var self = this; |
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var deferred = $.Deferred(); |
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var promise = deferred.promise(); |
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OCA.Files.isFileNameValid(name); |
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var targetPath = this.getCurrentDirectory() + '/' + name; |
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//Check if file already exists |
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if(Gallery.imageMap[targetPath]) { |
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OC.Notification.showTemporary( |
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t('files', 'Could not create file "{file}" because it already exists', {file: name}) |
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); |
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deferred.reject(); |
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return promise; |
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} |
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Gallery.filesClient.putFileContents( |
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targetPath, |
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'', |
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{ |
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contentType: 'text/plain', |
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overwrite: true |
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} |
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) |
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.done(function() { |
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// TODO: error handling / conflicts |
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Gallery.filesClient.getFileInfo( |
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targetPath, { |
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properties: self.findFile(targetPath) |
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} |
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) |
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.then(function(status, data) { |
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deferred.resolve(status, data); |
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}) |
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.fail(function(status) { |
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OC.Notification.showTemporary(t('files', 'Could not create file "{file}"', {file: name})); |
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deferred.reject(status); |
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}); |
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}) |
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.fail(function(status) { |
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if (status === 412) { |
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OC.Notification.showTemporary( |
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t('files', 'Could not create file "{file}" because it already exists', {file: name}) |
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); |
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} else { |
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OC.Notification.showTemporary(t('files', 'Could not create file "{file}"', {file: name})); |
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} |
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deferred.reject(status); |
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}); |
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return promise; |
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}, |
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/** |
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* Retrieves the current album |
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* |
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* @returns {string} |
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*/ |
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getCurrentDirectory: function () { |
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"use strict"; |
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// In Files, dirs start with a / |
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return '/' + Gallery.currentAlbum; |
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}, |
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/** |
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* Retrieves the WebDAV upload URL |
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* |
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* @param {string} fileName |
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* @param {string} dir |
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* |
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* @returns {string} |
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*/ |
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getUploadUrl: function (fileName, dir) { |
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if (_.isUndefined(dir)) { |
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dir = this.getCurrentDirectory(); |
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} |
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var pathSections = dir.split('/'); |
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if (!_.isUndefined(fileName)) { |
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pathSections.push(fileName); |
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} |
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var encodedPath = ''; |
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_.each(pathSections, function (section) { |
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if (section !== '') { |
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encodedPath += '/' + encodeURIComponent(section); |
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} |
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}); |
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return OC.linkToRemoteBase('webdav') + encodedPath; |
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} |
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}; |
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/** |
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* OCA.Files methods needed for file uploading |
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* |
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* This hack makes it possible to use the Files scripts as is, without having to import and |
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* maintain them in Gallery |
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* |
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* @type {{isFileNameValid: Files.isFileNameValid, generatePreviewUrl: Files.generatePreviewUrl}} |
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*/ |
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var Files = { |
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App: {fileList: {}}, |
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isFileNameValid: function (name) { |
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"use strict"; |
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var trimmedName = name.trim(); |
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if (trimmedName === '.' || trimmedName === '..') { |
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throw t('files', '"{name}" is an invalid file name.', {name: name}); |
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} else if (trimmedName.length === 0) { |
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throw t('files', 'File name cannot be empty.'); |
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} else if (OC.fileIsBlacklisted(trimmedName)) { |
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throw t('files', '"{name}" is not an allowed filetype', {name: name}); |
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} |
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return true; |
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}, |
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/** |
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* Generates a preview for the conflict dialogue |
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* |
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* Since Gallery uses the fileId and Files uses the path, we have to use the preview endpoint |
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* of Files |
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*/ |
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generatePreviewUrl: function (urlSpec) { |
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"use strict"; |
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var previewUrl; |
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var path = urlSpec.file; |
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// In Files, root files start with // |
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if (path.indexOf('//') === 0) { |
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path = path.substring(2); |
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} else { |
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// Directories start with / |
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path = path.substring(1); |
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} |
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if (Gallery.imageMap[path]) { |
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var fileId = Gallery.imageMap[path].fileId; |
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var thumbnail = Thumbnails.map[fileId]; |
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previewUrl = thumbnail.image.src; |
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} else { |
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var previewDimension = 96; |
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urlSpec.x = Math.ceil(previewDimension * window.devicePixelRatio); |
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urlSpec.y = Math.ceil(previewDimension * window.devicePixelRatio); |
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urlSpec.forceIcon = 0; |
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previewUrl = OC.generateUrl('/core/preview.png?') + $.param(urlSpec); |
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} |
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return previewUrl; |
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} |
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}; |
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OCA.Files = Object.assign({}, OCA.Files, Files); |
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OCA.Files.App.fileList = Object.assign({}, OCA.Files.App.fileList, FileList);
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