class CamaleonCmsUploader attr_accessor :thumb # root_folder, current_site, service = 'Local', thumb def initialize(args = {}) @current_site = args[:current_site] t_w, t_h = @current_site.get_option('filesystem_thumb_size', '100x100').split('x') @thumb = args[:thumb] || {w: t_w, h: t_h} @args = args after_initialize end def after_initialize end # return all files structure, within folder prefix # return json like: # {files: {'file_name': {'name'=> 'a.jpg', key: '/test/a.jpg', url: '', url: '', size: '', format: '', thumb: 'thumb_url', type: '', created_at: '', dimension: '120x120'}}, folders: {'folder name' => {name: 'folder name', key: '/folder name', ...}}} def objects(prefix = '/') prefix = "/#{prefix}" unless prefix.starts_with?('/') db = @current_site.get_meta(cache_key, nil) || browser_files db[prefix.gsub('//', '/')] || {files: {}, folders: {}} end # clean cached of files structure saved into DB def clear_cache @current_site.set_meta(cache_key, nil) end # search for folders or files that includes search_text in their names def search(search_text) res = {files: {}, folders: {}} (@current_site.get_meta(cache_key, nil) || browser_files).each do |folder_key, object| res[:folders][folder_key] = get_file(folder_key) if !['', '/'].include?(folder_key) && folder_key.split('/').last.include?(search_text) object[:files].each do |file_key, obj| res[:files][file_key] = obj if file_key.include?(search_text) end res end res end # reload cache files structure def reload browser_files end # save file_parsed as a cache into DB # file_parsed: (HASH) File parsed object # objects_db: HASH Object where to add the current object (optional) def cache_item(file_parsed, _objects_db = nil) objects_db = _objects_db || @current_site.get_meta(cache_key, {}) || {} prefix = File.dirname(file_parsed['key']) s = prefix.split('/').clean_empty return file_parsed if s.last == 'thumb' s.each_with_index{|_s, i| k = "/#{File.join(s.slice(0, i), _s)}"; cache_item(file_parse(k), objects_db) unless objects_db[k].present? } unless ['/', '', '.'].include?(prefix) objects_db[prefix] = {files: {}, folders: {}} if objects_db[prefix].nil? if file_parsed['format'] == 'folder' objects_db[prefix][:folders][file_parsed['name']] = file_parsed else objects_db[prefix][:files][file_parsed['name']] = file_parsed end @current_site.set_meta(cache_key, objects_db) if _objects_db.nil? file_parsed end # convert current string path into file version_path, sample: # version_path('/media/1/screen.png') into /media/1/thumb/screen-png.png (thumbs) # Sample: version_path('/media/1/screen.png', '200x200') ==> /media/1/thumb/screen-png_200x200.png (image versions) def version_path(image_path, version_name = nil) res = File.join(File.dirname(image_path), 'thumb', "#{File.basename(image_path).parameterize}#{File.extname(image_path)}") res = res.cama_add_postfix_file_name("_#{version_name}") if version_name.present? res end # return the file format (String) of path (depends of file extension) def self.get_file_format(path) ext = File.extname(path).sub(".", "").downcase format = "unknown" format = "image" if get_file_format_extensions('image').split(",").include?(ext) format = "video" if get_file_format_extensions('video').split(",").include?(ext) format = "audio" if get_file_format_extensions('audio').split(",").include?(ext) format = "document" if get_file_format_extensions('document').split(",").include?(ext) format = "compress" if get_file_format_extensions('compress').split(",").include?(ext) format end # return the files extensión for each format # support for multiples formats, sample: image,audio def self.get_file_format_extensions(format) res = [] format.downcase.gsub(' ', '').split(',').each do |f| res << case f when 'image', 'images' "jpg,jpeg,png,gif,bmp,ico" when 'video', 'videos' "flv,webm,wmv,avi,swf,mp4,mov,mpg" when 'audio' "mp3,ogg" when 'document', 'documents' "pdf,xls,xlsx,doc,docx,ppt,pptx,html,txt,xml,json" when 'compress' "zip,7z,rar,tar,bz2,gz,rar2" else '' end end res.join(',') end # verify permitted formats (return boolean true | false) # true: if format is accepted # false: if format is not accepted # sample: validate_file_format('/var/www/myfile.xls', 'image,audio,docx,xls') => return true if the file extension is in formats def self.validate_file_format(key, valid_formats = "*") return true if valid_formats == "*" || !valid_formats.present? valid_formats = valid_formats.gsub(' ', '').downcase.split(',') + get_file_format_extensions(valid_formats).split(',') valid_formats.include?(File.extname(key).sub(".", "").downcase) end # verify if this file name already exist # if the file is already exist, return a new name for this file # sample: search_new_key("my_file/file.txt") def search_new_key(key) _key = key if get_file(key).present? (1..999).each do |i| _key = key.cama_add_postfix_file_name("_#{i}") break unless get_file(_key).present? end end _key end # check if file with :key exist and return parsed_file, else return nil def get_file(key, use_cache = true) if use_cache db = (@current_site.get_meta(cache_key) || {})[File.dirname(key)] || {} else db = objects(File.dirname(key)) unless use_cache end (db[:files][File.basename(key)] || db[:folders][File.basename(key)]) rescue nil end private def cache_key "cama_media_cache#{'_private' if is_private_uploader?}" end def is_private_uploader?() end end