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Add delete option to File node

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to replace msg.delete option - now deprecated but not removed.
Addresses some of the confusion  for Issue #399
This commit is contained in:
Dave C-J
2014-11-08 15:34:37 +00:00
parent 8b7e367416
commit 5da45b404c
2 changed files with 37 additions and 20 deletions
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29
nodes/core/storage/50-file.js
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@@ -22,7 +22,7 @@ module.exports = function(RED) {
RED.nodes.createNode(this,n);
this.filename = n.filename || "";
this.appendNewline = n.appendNewline;
this.overwriteFile = n.overwriteFile;
this.overwriteFile = n.overwriteFile.toString();
var node = this;
this.on("input",function(msg) {
var filename;
@@ -37,31 +37,37 @@ module.exports = function(RED) {
if (filename === "") {
node.warn('No filename specified');
} else if (msg.hasOwnProperty('delete')) {
node.warn("Deprecated: please use specific delete option in config dialog.");
fs.unlink(filename, function (err) {
if (err) { node.warn('Failed to delete file : '+err); }
//console.log('Deleted file",filename);
});
} else if (typeof msg.payload != "undefined") {
var data = msg.payload;
if (typeof data === "object") {
if (!Buffer.isBuffer(data)) {
data = JSON.stringify(data);
}
if ((typeof data === "object")&&(!Buffer.isBuffer(data))) {
data = JSON.stringify(data);
}
if (typeof data === "boolean") { data = data.toString(); }
if ((this.appendNewline)&&(!Buffer.isBuffer(data))) { data += "\n"; }
if (this.overwriteFile) {
if (this.overwriteFile === "true") {
// using "binary" not {encoding:"binary"} to be 0.8 compatible for a while
//fs.writeFile(filename, data, {encoding:"binary"}, function (err) {
fs.writeFile(filename, data, "binary", function (err) {
if (err) { node.warn('Failed to write to file : '+err); }
//console.log('Message written to file',filename);
else if (RED.settings.verbose) { node.log('wrote to file: '+filename); }
});
}
else if (this.overwriteFile === "delete") {
fs.unlink(filename, function (err) {
if (err) { node.warn('Failed to delete file : '+err); }
else if (RED.settings.verbose) { node.log("deleted file: "+filename); }
});
}
else {
// using "binary" not {encoding:"binary"} to be 0.8 compatible for a while
// using "binary" not {encoding:"binary"} to be 0.8 compatible for a while longer
//fs.appendFile(filename, data, {encoding:"binary"}, function (err) {
fs.appendFile(filename, data, "binary", function (err) {
if (err) { node.warn('Failed to append to file : '+err); }
//console.log('Message appended to file',filename);
else if (RED.settings.verbose) { node.log('appended to file: '+filename); }
});
}
}
@@ -69,6 +75,7 @@ module.exports = function(RED) {
}
RED.nodes.registerType("file",FileNode);
function FileInNode(n) {
RED.nodes.createNode(this,n);
@@ -108,4 +115,4 @@ module.exports = function(RED) {
});
}
RED.nodes.registerType("file in",FileInNode);
};
}