Add Cache for Space Usage and File Totals
This commit is contained in:
Ethan Stubbs
parent
4622d035b6
commit
3761f911e3
1 changed files with 86 additions and 64 deletions
134
EUS.js
134
EUS.js
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@ -18,7 +18,8 @@ let eusConfig = {},
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d = new Date(),
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startTime,
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endTime,
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useUploadKey = true;
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useUploadKey = true,
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cacheJSON = "";
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// Only ran on startup so using sync functions is fine
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// Makes the folder for files of the module
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@ -45,7 +46,9 @@ if (!fs.existsSync(__dirname + BASE_PATH + "/image-type.json")) {
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image_json = require(`${__dirname}${BASE_PATH}/image-type.json`);
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} else {
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// File already exists, load it.
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const ijLoadStartTime = new Date().getTime();
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image_json = require(`${__dirname}${BASE_PATH}/image-type.json`);
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console.log(`[EUS] Loaded image-type file, took ${new Date().getTime() - ijLoadStartTime}ms`);
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}
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// Makes the config file
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@ -61,6 +64,71 @@ if (!fs.existsSync(__dirname + BASE_PATH + "/config.json")) {
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if (validateConfig(eusConfig)) console.log("[EUS] EUS config passed all checks");
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}
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// Cache for the file count and space usage, this takes a while to do so it's best to cache the result
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let cacheIsReady = false;
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function cacheFilesAndSpace() {
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cacheIsReady = false;
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let cachedFilesAndSpace = {
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files: {}
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},
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// Cache file totals
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total = 0;
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// Add each accepted file type to the json
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for (var i2 = 0; i2 < eusConfig.acceptedTypes.length; i2++) {
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cachedFilesAndSpace["files"][`${eusConfig.acceptedTypes[i2]}`.replace(".", "")] = 0;
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}
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// Read all files from the images directory
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fs.readdir(__dirname + BASE_PATH + "/i", (err, files) => {
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if (err) throw err;
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// Loop through all files
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for (var i = 0; i < files.length; i++) {
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// Loop through all accepted file types to check for a match
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for (var i1 = 0; i1 < eusConfig.acceptedTypes.length; i1++) {
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const jsudfg = files[i].split(".");
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if (`.${jsudfg[jsudfg.length-1]}` == eusConfig.acceptedTypes[i1]) {
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// There is a match! Add it to the json
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cachedFilesAndSpace["files"][eusConfig.acceptedTypes[i1].replace(".", "")]++;
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// Also increase the total
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total++;
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}
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}
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}
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// Set the total in the json to the calculated total value
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cachedFilesAndSpace["files"]["total"] = total;
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// Cache usage
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cachedFilesAndSpace["space"] = {
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usage: {}
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};
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// Get the space used on the disk
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getSize(__dirname + BASE_PATH + "/i", (err, size) => {
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if (err) throw err;
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// Calculate in different units the space taken up on disk
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let sizeOfFolder = (size / 1024 / 1024);
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cachedFilesAndSpace["space"]["usage"]["mb"] = sizeOfFolder;
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sizeOfFolder = (size / 1024 / 1024 / 1024);
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cachedFilesAndSpace["space"]["usage"]["gb"] = sizeOfFolder;
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cachedFilesAndSpace["space"]["usage"]["string"] = spaceToLowest(size, true);
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// Get total disk space
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diskUsage.check(__dirname, (err, data) => {
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if (err) throw err;
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cachedFilesAndSpace["space"]["total"] = {
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value: spaceToLowest(data["total"], false),
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mbvalue: (data["total"] / 1024 / 1024),
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gbvalue: (data["total"] / 1024 / 1024 / 1024),
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stringValue: spaceToLowest(data["total"], true).split(" ")[1].toLowerCase(),
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string: spaceToLowest(data["total"], true)
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};
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cacheIsReady = true;
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cacheJSON = JSON.stringify(cachedFilesAndSpace);
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});
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});
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});
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}
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cacheFilesAndSpace();
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function validateConfig(json) {
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let performShutdownAfterValidation = false;
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// URL Tests
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@ -68,8 +136,7 @@ function validateConfig(json) {
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console.error("EUS baseURL property does not exist!");
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performShutdownAfterValidation = true;
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} else {
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if (json["baseURL"] == "")
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console.warn("EUS baseURL property is blank");
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if (json["baseURL"] == "") console.warn("EUS baseURL property is blank");
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const bURL = `${json["baseURL"]}`.split("");
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if (bURL.length > 1) {
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if (bURL[bURL.length-1] != "/") console.warn("EUS baseURL property doesn't have a / at the end, this can lead to unpredictable results!");
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@ -189,7 +256,7 @@ module.exports = {
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thefe = `.${filename.split(".")[filename.split(".").length-1]}`;
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} else {
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// File isn't accepted, send response back to client stating so.
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res.end("This file type isn't accepted currently.");
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res.status(403).end("This file type isn't accepted currently.");
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return;
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}
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// Create a write stream for the file
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@ -206,6 +273,9 @@ module.exports = {
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global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: Upload of ${fileOutName} finished. Took ${endTime - startTime}ms`);
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// Send URL of the uploaded image to the client
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res.end(eusConfig.baseURL+""+fileOutName);
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// Update cached files & space
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cacheFilesAndSpace();
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});
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});
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});
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@ -231,72 +301,24 @@ function handleAPI(req, res) {
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case "/api/get-stats":
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filesaa = req.query["f"];
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spaceaa = req.query["s"];
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jsonaa = {};
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if (!cacheIsReady) return res.end("Cache is not ready");
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jsonaa = JSON.parse(cacheJSON);
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// If total files is asked for
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if (filesaa == 1) {
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let total = 0;
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jsonaa["files"] = {};
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// Add each accepted file type to the json
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for (var i2 = 0; i2 < eusConfig.acceptedTypes.length; i2++) {
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jsonaa["files"][`${eusConfig.acceptedTypes[i2]}`.replace(".", "")] = 0;
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}
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// Read all files from the images directory
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fs.readdir(__dirname + BASE_PATH + "/i", (err, files) => {
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if (err) throw err;
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// Loop through all files
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for (var i = 0; i < files.length; i++) {
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// Loop through all accepted file types to check for a match
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for (var i1 = 0; i1 < eusConfig.acceptedTypes.length; i1++) {
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const jsudfg = files[i].split(".");
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if (`.${jsudfg[jsudfg.length-1]}` == eusConfig.acceptedTypes[i1]) {
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// There is a match! Add it to the json
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jsonaa["files"][eusConfig.acceptedTypes[i1].replace(".", "")]++;
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// Also increase the total
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total++;
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}
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}
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}
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// Set the total in the json to the calculated total value
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jsonaa["files"]["total"] = total;
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// If getting the space used on the server isn't required send the json
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if (spaceaa != 1) {
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d = new Date(); endTime = d.getTime();
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global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
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delete jsonaa["space"];
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return res.end(JSON.stringify(jsonaa));
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}
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});
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}
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// Getting space is required
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if (spaceaa == 1) {
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jsonaa["space"] = {
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usage: {}
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};
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// Get the space used on the disk
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getSize(__dirname + BASE_PATH + "/i", (err, size) => {
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if (err) throw err;
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// Calculate in different units the space taken up on disk
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let sizeOfFolder = (size / 1024 / 1024);
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jsonaa["space"]["usage"]["mb"] = sizeOfFolder;
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sizeOfFolder = (size / 1024 / 1024 / 1024);
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jsonaa["space"]["usage"]["gb"] = sizeOfFolder;
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jsonaa["space"]["usage"]["string"] = spaceToLowest(size, true);
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// Get total disk space
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diskUsage.check(__dirname, (err, data) => {
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if (err) throw err;
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jsonaa["space"]["total"] = {
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value: spaceToLowest(data["total"], false),
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mbvalue: (data["total"] / 1024 / 1024),
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gbvalue: (data["total"] / 1024 / 1024 / 1024),
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stringValue: spaceToLowest(data["total"], true).split(" ")[1].toLowerCase(),
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string: spaceToLowest(data["total"], true)
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};
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});
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// Send the json to the requesting client
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d = new Date(); endTime = d.getTime();
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global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
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if (filesaa != 1) delete jsonaa["files"];
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return res.end(JSON.stringify(jsonaa));
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});
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}
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if (filesaa != 1 && spaceaa != 1) {
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