76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
/**
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* function checks if file fits to the minimal needs
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* @param Obj Object containing the properties needed for creating a new File
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* @param Obj User-Object creating this file
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* @return Obj Object containing two properties:
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* - error (boolean): true if error happened, false if everything went fine
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* - message (String): containing a message to user
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*/
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function evalFile(param, creator) {
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if (param.uploadError) {
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// looks like the file uploaded has exceeded uploadLimit ...
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throw new Exception("fileFileTooBig");
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}
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if (!param.rawfile || param.rawfile.contentLength == 0) {
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// looks like nothing was uploaded ...
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throw new Exception("fileNoUpload");
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}
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var filesize = Math.round(param.rawfile.contentLength / 1024);
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if (this._parent.getDiskUsage() + filesize > this._parent.getDiskQuota()) {
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// disk quota has already been exceeded
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throw new Exception("siteQuotaExceeded");
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}
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var newFile = new File(creator);
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// if no alias given try to determine it
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if (!param.alias)
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newFile.alias = buildAliasFromFile(param.rawfile, this);
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else {
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if (!param.alias.isFileName())
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throw new Exception("noSpecialChars");
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newFile.alias = buildAlias(param.alias, this);
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}
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// store properties necessary for file-creation
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newFile.alttext = param.alttext;
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newFile.name = newFile.alias;
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newFile.filesize = param.rawfile.contentLength;
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newFile.mimetype = param.rawfile.contentType;
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newFile.description = param.description;
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var dir = this._parent.getStaticPath("files");
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newFile.name = param.rawfile.writeToFile(dir, newFile.name);
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if (!newFile.name)
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throw new Exception("fileSave");
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// the file is on disk, so we add the file-object
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if (!this.add(newFile))
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throw new Exception("fileCreate", newFile.alias);
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// send e-mail notification
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if (newFile.site.isNotificationEnabled())
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newFile.site.sendNotification("upload", newFile);
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newFile.site.diskusage += newFile.filesize;
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return new Message("fileCreate", newFile.alias, newFile);
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}
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/**
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* delete a file
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* @param Obj file-object to delete
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* @return String Message indicating success or failure
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*/
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function deleteFile(fileObj) {
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// first remove the file from disk
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var f = new Helma.File(this._parent.getStaticPath("files"), fileObj.name);
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f.remove();
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fileObj.site.diskusage -= fileObj.filesize;
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fileObj.remove();
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return new Message("fileDelete");
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}
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/**
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* function deletes all files
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*/
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function deleteAll() {
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for (var i=this.size();i>0;i--)
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this.deleteFile(this.get(i-1));
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return true;
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}
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