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Add Cache for Space Usage and File Totals #15

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tgpholly merged 1 commit from add-space-file-cache into master 2020-10-15 10:13:28 +01:00
Conversation 0 Commits 1 Files changed 1 +86 -64
1 changed files with 86 additions and 64 deletions
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150
EUS.js
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@ -18,7 +18,8 @@ let eusConfig = {},
d = new Date(),
startTime,
endTime,
useUploadKey = true;
useUploadKey = true,
cacheJSON = "";
// Only ran on startup so using sync functions is fine
// Makes the folder for files of the module
@ -45,7 +46,9 @@ if (!fs.existsSync(__dirname + BASE_PATH + "/image-type.json")) {
image_json = require(`${__dirname}${BASE_PATH}/image-type.json`);
} else {
// File already exists, load it.
const ijLoadStartTime = new Date().getTime();
image_json = require(`${__dirname}${BASE_PATH}/image-type.json`);
console.log(`[EUS] Loaded image-type file, took ${new Date().getTime() - ijLoadStartTime}ms`);
}
// Makes the config file
@ -61,6 +64,71 @@ if (!fs.existsSync(__dirname + BASE_PATH + "/config.json")) {
if (validateConfig(eusConfig)) console.log("[EUS] EUS config passed all checks");
}
// Cache for the file count and space usage, this takes a while to do so it's best to cache the result
let cacheIsReady = false;
function cacheFilesAndSpace() {
cacheIsReady = false;
let cachedFilesAndSpace = {
files: {}
},
// Cache file totals
total = 0;
// Add each accepted file type to the json
for (var i2 = 0; i2 < eusConfig.acceptedTypes.length; i2++) {
cachedFilesAndSpace["files"][`${eusConfig.acceptedTypes[i2]}`.replace(".", "")] = 0;
}
// Read all files from the images directory
fs.readdir(__dirname + BASE_PATH + "/i", (err, files) => {
if (err) throw err;
// Loop through all files
for (var i = 0; i < files.length; i++) {
// Loop through all accepted file types to check for a match
for (var i1 = 0; i1 < eusConfig.acceptedTypes.length; i1++) {
const jsudfg = files[i].split(".");
if (`.${jsudfg[jsudfg.length-1]}` == eusConfig.acceptedTypes[i1]) {
// There is a match! Add it to the json
cachedFilesAndSpace["files"][eusConfig.acceptedTypes[i1].replace(".", "")]++;
// Also increase the total
total++;
}
}
}
// Set the total in the json to the calculated total value
cachedFilesAndSpace["files"]["total"] = total;
// Cache usage
cachedFilesAndSpace["space"] = {
usage: {}
};
// Get the space used on the disk
getSize(__dirname + BASE_PATH + "/i", (err, size) => {
if (err) throw err;
// Calculate in different units the space taken up on disk
let sizeOfFolder = (size / 1024 / 1024);
cachedFilesAndSpace["space"]["usage"]["mb"] = sizeOfFolder;
sizeOfFolder = (size / 1024 / 1024 / 1024);
cachedFilesAndSpace["space"]["usage"]["gb"] = sizeOfFolder;
cachedFilesAndSpace["space"]["usage"]["string"] = spaceToLowest(size, true);
// Get total disk space
diskUsage.check(__dirname, (err, data) => {
if (err) throw err;
cachedFilesAndSpace["space"]["total"] = {
value: spaceToLowest(data["total"], false),
mbvalue: (data["total"] / 1024 / 1024),
gbvalue: (data["total"] / 1024 / 1024 / 1024),
stringValue: spaceToLowest(data["total"], true).split(" ")[1].toLowerCase(),
string: spaceToLowest(data["total"], true)
};
cacheIsReady = true;
cacheJSON = JSON.stringify(cachedFilesAndSpace);
});
});
});
}
cacheFilesAndSpace();
function validateConfig(json) {
let performShutdownAfterValidation = false;
// URL Tests
@ -68,8 +136,7 @@ function validateConfig(json) {
console.error("EUS baseURL property does not exist!");
performShutdownAfterValidation = true;
} else {
if (json["baseURL"] == "")
console.warn("EUS baseURL property is blank");
if (json["baseURL"] == "") console.warn("EUS baseURL property is blank");
const bURL = `${json["baseURL"]}`.split("");
if (bURL.length > 1) {
if (bURL[bURL.length-1] != "/") console.warn("EUS baseURL property doesn't have a / at the end, this can lead to unpredictable results!");
@ -189,7 +256,7 @@ module.exports = {
thefe = `.${filename.split(".")[filename.split(".").length-1]}`;
} else {
// File isn't accepted, send response back to client stating so.
res.end("This file type isn't accepted currently.");
res.status(403).end("This file type isn't accepted currently.");
return;
}
// Create a write stream for the file
@ -206,6 +273,9 @@ module.exports = {
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: Upload of ${fileOutName} finished. Took ${endTime - startTime}ms`);
// Send URL of the uploaded image to the client
res.end(eusConfig.baseURL+""+fileOutName);
// Update cached files & space
cacheFilesAndSpace();
});
});
});
@ -231,72 +301,24 @@ function handleAPI(req, res) {
case "/api/get-stats":
filesaa = req.query["f"];
spaceaa = req.query["s"];
jsonaa = {};
if (!cacheIsReady) return res.end("Cache is not ready");
jsonaa = JSON.parse(cacheJSON);
// If total files is asked for
if (filesaa == 1) {
let total = 0;
jsonaa["files"] = {};
// Add each accepted file type to the json
for (var i2 = 0; i2 < eusConfig.acceptedTypes.length; i2++) {
jsonaa["files"][`${eusConfig.acceptedTypes[i2]}`.replace(".", "")] = 0;
// If getting the space used on the server isn't required send the json
if (spaceaa != 1) {
d = new Date(); endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
delete jsonaa["space"];
return res.end(JSON.stringify(jsonaa));
}
// Read all files from the images directory
fs.readdir(__dirname + BASE_PATH + "/i", (err, files) => {
if (err) throw err;
// Loop through all files
for (var i = 0; i < files.length; i++) {
// Loop through all accepted file types to check for a match
for (var i1 = 0; i1 < eusConfig.acceptedTypes.length; i1++) {
const jsudfg = files[i].split(".");
if (`.${jsudfg[jsudfg.length-1]}` == eusConfig.acceptedTypes[i1]) {
// There is a match! Add it to the json
jsonaa["files"][eusConfig.acceptedTypes[i1].replace(".", "")]++;
// Also increase the total
total++;
}
}
}
// Set the total in the json to the calculated total value
jsonaa["files"]["total"] = total;
// If getting the space used on the server isn't required send the json
if (spaceaa != 1) {
d = new Date(); endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
return res.end(JSON.stringify(jsonaa));
}
});
}
// Getting space is required
if (spaceaa == 1) {
jsonaa["space"] = {
usage: {}
};
// Get the space used on the disk
getSize(__dirname + BASE_PATH + "/i", (err, size) => {
if (err) throw err;
// Calculate in different units the space taken up on disk
let sizeOfFolder = (size / 1024 / 1024);
jsonaa["space"]["usage"]["mb"] = sizeOfFolder;
sizeOfFolder = (size / 1024 / 1024 / 1024);
jsonaa["space"]["usage"]["gb"] = sizeOfFolder;
jsonaa["space"]["usage"]["string"] = spaceToLowest(size, true);
// Get total disk space
diskUsage.check(__dirname, (err, data) => {
if (err) throw err;
jsonaa["space"]["total"] = {
value: spaceToLowest(data["total"], false),
mbvalue: (data["total"] / 1024 / 1024),
gbvalue: (data["total"] / 1024 / 1024 / 1024),
stringValue: spaceToLowest(data["total"], true).split(" ")[1].toLowerCase(),
string: spaceToLowest(data["total"], true)
};
});
// Send the json to the requesting client
d = new Date(); endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
return res.end(JSON.stringify(jsonaa));
});
d = new Date(); endTime = d.getTime();
global.modules.consoleHelper.printInfo(emoji.heavy_check, `${req.method}: ${chalk.green("[200]")} ${req.url} ${endTime - startTime}ms`);
if (filesaa != 1) delete jsonaa["files"];
return res.end(JSON.stringify(jsonaa));
}
if (filesaa != 1 && spaceaa != 1) {