| 1 | const statement = require("./statement.js"); |
| 2 | const event = require("./event.js"); |
| 3 |
|
| 4 | const FileHandler = require("./fileHandler.js"); |
| 5 |
|
| 6 | class Queue { |
| 7 | constructor(name, location, config) { |
| 8 | if (typeof name != "string") throw new Error(`Expected string, got ${typeof name} for name`); |
| 9 | if (typeof location != "string") throw new Error(`Expected string, got ${typeof location} for location`); |
| 10 | this.name = name; |
| 11 | this.timestamp = new Date(); |
| 12 | this.location = location; |
| 13 | this.filename = this.location + "/" + this.timestamp.toISOString().replace(/\:/g, "-").replace(/\./g, "-") + ".log"; |
| 14 | this.queue = []; |
| 15 |
|
| 16 | this.compact = false; |
| 17 | this.fileStarted = false; |
| 18 | |
| 19 | if (config) { |
| 20 | if (config.compact) { |
| 21 | if (typeof config.compact != "boolean") throw new Error(`Expected boolean, got ${typeof config.compact} for config.compact`); |
| 22 | this.compact = config.compact; |
| 23 | } |
| 24 | } |
| 25 |
|
| 26 | FileHandler.AppendFile(this.filename, ""); // touch the file |
| 27 |
|
| 28 | return this; |
| 29 | } |
| 30 |
|
| 31 | push() { |
| 32 | if (arguments.length >= 3) this.queue.push(new statement(arguments[0], arguments[1], arguments[2])); |
| 33 | else if (arguments.length > 0) { |
| 34 | if (arguments[0] instanceof event) this.queue.push(arguments[0].statements); // object is an Event |
| 35 | else if (arguments[0] instanceof statement) this.queue.push(arguments[0]); // object is a Statement |
| 36 | else throw new TypeError("Expected an Event or Statement"); |
| 37 | } else throw new Error("Expected at least one argument"); |
| 38 | return this; |
| 39 | } |
| 40 |
|
| 41 | write() { |
| 42 | let recursiveCompactFunction; |
| 43 | if (this.compact) { |
| 44 | recursiveCompactFunction = function(object) { |
| 45 | if (Array.isArray(object)) { |
| 46 | for (let i = 0; i < object.length; i++) { |
| 47 | object[i] = recursiveCompactFunction(object[i]); |
| 48 | } |
| 49 | return object; |
| 50 | } else { |
| 51 | let fixed = {}; |
| 52 | fixed.tt = object.timestamp; |
| 53 | fixed.v = object.verbosity; |
| 54 | fixed.t = object.tag; |
| 55 | fixed.m = object.message; |
| 56 | return fixed; |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 |
|
| 61 | if (arguments.length > 0) { |
| 62 | let toWrite; |
| 63 | if (arguments.length >= 3) toWrite = new statement(arguments[0], arguments[1], arguments[2]); |
| 64 | else { |
| 65 | if (arguments[0] instanceof event) toWrite = arguments[0].statements; // object is an Event |
| 66 | else if (arguments[0] instanceof statement) toWrite = arguments[0]; // object is a Statement |
| 67 | else throw new TypeError("Expected an Event or Statement"); |
| 68 | } |
| 69 |
|
| 70 | if (this.compact) { |
| 71 | toWrite = recursiveCompactFunction(toWrite); |
| 72 | } |
| 73 |
|
| 74 | let appendString = ""; |
| 75 | if (this.fileStarted) appendString += "\n"; |
| 76 | appendString += JSON.stringify(toWrite); |
| 77 | if (!this.fileStarted) this.fileStarted = true; |
| 78 | FileHandler.AppendFile(this.filename, appendString); |
| 79 | } else { |
| 80 | let queueLength = this.queue.length; |
| 81 | if (queueLength > 0) { |
| 82 | let appendString = ""; |
| 83 | let queue = this; |
| 84 | let toWrite = this.queue; |
| 85 | if (this.compact) { |
| 86 | toWrite = recursiveCompactFunction(toWrite); |
| 87 | } |
| 88 | toWrite.forEach(function (item) { |
| 89 | if (queue.fileStarted) appendString += "\n"; |
| 90 | appendString += JSON.stringify(item); |
| 91 | if (!queue.fileStarted) queue.fileStarted = true; |
| 92 | }); |
| 93 | this.queue = this.queue.slice(queueLength); |
| 94 | FileHandler.AppendFile(this.filename, appendString); |
| 95 | } |
| 96 | } |
| 97 | return this; |
| 98 | } |
| 99 | } |
| 100 |
|
| 101 | module.exports = Queue; |
| 102 |
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