121 lines
4.8 KiB
JavaScript
121 lines
4.8 KiB
JavaScript
// Debug
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const { DebugBuilder } = require("../utilities/debugBuilder.js");
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const log = new DebugBuilder("client", "updatePresets");
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// Modules
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const fs = require('fs');
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const path = require("path");
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const converter = require("convert-units");
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/**
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* Write the given presets to the JSON file
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* @param presets The preset or presets to be written
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* @param {function} callback The function to be called when this wrapper completes
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*/
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function writePresets(presets, callback = undefined) {
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log.DEBUG(`${__dirname}`);
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fs.writeFile("./config/radioPresets.json", JSON.stringify(presets), (err) => {
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// Error checking
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if (err) throw err;
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log.DEBUG("Write Complete");
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if (callback) callback()
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});
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}
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/**
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* Wrapper to ensure each value in the array is in Hz format
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* @param frequenciesArray
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* @returns {*[]}
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*/
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function sanitizeFrequencies(frequenciesArray) {
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let sanitizedFrequencyArray = [];
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for (const freq of frequenciesArray) {
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sanitizedFrequencyArray.push(convertFrequencyToHertz(freq));
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}
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log.DEBUG("Sanitized Frequency Array", sanitizedFrequencyArray);
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return sanitizedFrequencyArray;
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}
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/**
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* Function to convert a string or a float into the integer type needed to be saved
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* @param frequency Could be a string, number or float,
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* @returns {number|number|*} Return the value to be saved in Hz format ("154.875"MHz format = "154875000")
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*/
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function convertFrequencyToHertz(frequency){
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// check if the passed value is a number
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if(typeof frequency == 'number' && !isNaN(frequency)){
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if (Number.isInteger(frequency)) {
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log.DEBUG(`${frequency} is an integer.`);
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// Check to see if the frequency has the correct length
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if (frequency.toString().length >= 7 && frequency.toString().length <= 9) return frequency
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}
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else {
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log.DEBUG(`${frequency} is a float value.`);
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// Convert to a string to remove the decimal in place and then correct the length
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return converter(frequency).from("MHz").to("Hz");
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}
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} else {
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log.DEBUG(`${frequency} is not a number`);
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frequency = convertFrequencyToHertz(parseFloat(frequency));
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return parseInt(frequency)
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}
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}
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/**
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* Gets the saved presets and returns a preset object
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* @returns {any} The object containing the different systems the bot is near
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*/
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exports.getPresets = function getPresets() {
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const presetDir = path.resolve("./config/radioPresets.json");
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log.DEBUG(`Getting presets from directory: '${presetDir}'`);
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return JSON.parse(fs.readFileSync(presetDir));
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}
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/**
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* Adds a new preset to the radioPresets JSON file
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*
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* @param {string} systemName The name of the system being added
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* @param {Array} frequencies The frequency or frequencies the SDR should tune to for this system
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* @param {string} mode The listening mode the SDR should be using when listening to this frequency
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* @param {function} callback The callback function to call when completed
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* @param {string} trunkFile The file that contains all trunking information (if applicable to the selected listening mode)
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*/
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exports.addNewPreset = (systemName, frequencies, mode, callback, trunkFile = undefined) => {
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const presets = this.getPresets();
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// Create the preset for the new system
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presets[systemName] = {
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"frequencies": sanitizeFrequencies(frequencies),
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"mode": mode,
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"trunkFile": trunkFile ?? "none"
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}
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// Write the changes to the preset config file
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writePresets(presets, callback);
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}
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/**
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* Updates the specified system
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*
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* @param {string} systemName The name of the system being modified
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* @param {function} callback The callback function to be called when the function completes
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* @param {Array} frequencies The frequency or frequencies the SDR should tune to for this system
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* @param {string} mode The listening mode the SDR should be using when listening to this frequency
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* @param {string} trunkFile The file that contains all trunking information (if applicable to the selected listening mode)
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*/
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exports.updatePreset = (systemName, callback, { frequencies = undefined, mode = undefined, trunkFile = undefined }) => {
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const presets = this.getPresets();
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// Check if a system name was passed
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if (systemName in presets) {
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// System name exists, checking to see if the keys are different
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if(frequencies && frequencies !== presets[systemName].frequencies) presets[systemName].frequencies = sanitizeFrequencies(frequencies);
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if(mode && mode !== presets[systemName].mode) presets[systemName].mode = mode;
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if(trunkFile && trunkFile !== presets[systemName].trunkFile || trunkFile === "") presets[systemName].trunkFile = trunkFile ?? "none";
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// Write the changes
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writePresets(presets, callback);
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}
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}
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