462 lines
17 KiB
JavaScript
462 lines
17 KiB
JavaScript
const util = require('./util.js');
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const constants = require('./constants.js');
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const logger = require('./logger.js');
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const cache = require('./cache.js');
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const commands = require('./commands.js');
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const blinky = require('./blinky.js');
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const osc = require('./osc.js');
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const path = require('path');
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const fs = require('fs');
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const ttl2jsonld = require('@frogcat/ttl2jsonld').parse;
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let pedalboardIdBypassOrigin;
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function reset() {
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return new Promise(function (resolve, reject) {
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util.httpGET(global.config.modep.host, global.config.modep.port, '/reset')
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.then(resolve)
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.catch(reject);
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});
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}
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function getBanks() {
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return new Promise(function (resolve, reject) {
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let banks = cache.getBanks();
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if (banks != undefined) {
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return resolve(banks);
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}
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// FAKE DATA
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// let fake = [{ "title": "The Button", "pedalboards": [{ "valid": true, "broken": false, "uri": "file:///var/modep/pedalboards/default.pedalboard/default.ttl", "bundle": "/var/modep/pedalboards/default.pedalboard", "title": "Default", "version": 0 }, { "valid": true, "broken": false, "uri": "file:///var/modep/pedalboards/FUZZ.pedalboard/FUZZ.ttl", "bundle": "/var/modep/pedalboards/FUZZ.pedalboard", "title": "FUZZ", "version": 1 }] }];
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// for (let index = 0; index < fake.length; index++) {
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// fake.id = index;
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// }
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// banks = util.sortById(fake);
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// return resolve(fake);
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util.httpGET(global.config.modep.host, global.config.modep.port, '/banks')
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.then(function (banks) {
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for (let index = 0; index < banks.length; index++) {
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let bank = banks[index];
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bank.id = index;
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}
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banks = util.sortById(banks);
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cache.setBanks(banks);
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return resolve(banks);
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})
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.catch(reject);
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});
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}
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function getBankById(bankId) {
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return new Promise(function (resolve, reject) {
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getBanks()
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.then(function (banks) {
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for (let index = 0; index < banks.length; index++) {
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if (banks[index].id != bankId) {
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continue;
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}
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return resolve(banks[index]);
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}
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return reject('could not find bank by id \'' + bankId + '\'');
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})
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.catch(reject);
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});
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}
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function getPedalboards() {
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return new Promise(function (resolve, reject) {
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let pedalboards = cache.getPedalboards();
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if (pedalboards != undefined) {
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return resolve(pedalboards);
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}
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// FAKE DATA
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// let fake = [{ "valid": true, "broken": false, "uri": "file:///var/modep/pedalboards/FUZZ.pedalboard/FUZZ.ttl", "bundle": "/var/modep/pedalboards/FUZZ.pedalboard", "title": "FUZZ", "version": 1 }, { "valid": true, "broken": false, "uri": "file:///var/modep/pedalboards/default.pedalboard/default.ttl", "bundle": "/var/modep/pedalboards/default.pedalboard", "title": "Default", "version": 0 }];
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// let id = 1;
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// for (let index = 0; index < fake.length; index++) {
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// let pedalboard = fake[index];
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// if (pedalboard.bundle == constants.PEDALBOARD_DEFAULT) {
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// pedalboard.id = 0;
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// defaultPedalboard = pedalboard;
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// continue;
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// }
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// pedalboard.id = id;
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// id++;
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// }
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// pedalboards = util.sortById(fake);
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// return resolve(fake);
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util.httpGET(global.config.modep.host, global.config.modep.port, '/pedalboard/list')
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.then(function (pedalboards) {
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let id = 1;
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for (let index = 0; index < pedalboards.length; index++) {
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let pedalboard = pedalboards[index];
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if (pedalboard.bundle == constants.PEDALBOARD_DEFAULT) {
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pedalboard.id = 0;
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defaultPedalboard = pedalboard;
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continue;
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}
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pedalboard.id = id;
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id++;
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}
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pedalboards = util.sortById(pedalboards);
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cache.setPedalboards(pedalboards);
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return resolve(pedalboards);
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})
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.catch(reject);
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});
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}
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function getDefaultPedalboard() {
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return new Promise(function (resolve, reject) {
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let defaultPedalboard = cache.getDefaultPedalboard();
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if (defaultPedalboard != undefined) {
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return resolve(defaultPedalboard);
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}
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getPedalboardByBundle(constants.PEDALBOARD_DEFAULT)
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.then(function (defaultPedalboard) {
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cache.setDefaultPedalboard(defaultPedalboard);
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return resolve(defaultPedalboard);
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})
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.catch(reject);
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});
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}
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function getCurrentPedalboard() {
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return new Promise(function (resolve, reject) {
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let currentPedalboard = cache.getCurrentPedalboard();
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if (currentPedalboard != undefined && currentPedalboard.id != undefined) {
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return resolve(currentPedalboard);
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}
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// FAKE DATA
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// let fake = '/var/modep/pedalboards/FUZZ.pedalboard';
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// getPedalboardByBundle(fake)
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// .then(function (pedalboard) {
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// currentPedalboard = pedalboard;
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// return resolve(pedalboard);
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// })
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// .catch(reject);
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// PRODUCTION
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util.httpGET(global.config.modep.host, global.config.modep.port, '/pedalboard/current')
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.then(getPedalboardByBundle)
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.then(function (currentPedalboard) {
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cache.setCurrentPedalboard(currentPedalboard);
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return resolve(currentPedalboard)
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})
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.catch(reject);
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});
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}
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function getPedalboardById(pedalboardId) {
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return new Promise(function (resolve, reject) {
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getPedalboards()
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.then(function (pedalboards) {
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for (let index = 0; index < pedalboards.length; index++) {
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if (pedalboards[index].id != pedalboardId) {
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continue;
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}
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return resolve(pedalboards[index]);
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}
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return reject('could not find pedalboard by id \'' + pedalboardId + '\'');
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})
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.catch(reject);
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});
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}
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function getPedalboardByBundle(pedalboardBundle) {
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return new Promise(function (resolve, reject) {
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if (pedalboardBundle == undefined) {
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getDefaultPedalboard()
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.then(resolve)
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.catch(reject);
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return;
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}
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getPedalboards()
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.then(function (pedalboards) {
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for (let index = 0; index < pedalboards.length; index++) {
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if (pedalboards[index].bundle != pedalboardBundle) {
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continue;
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}
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return resolve(pedalboards[index]);
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}
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return reject('could not find pedalboard by bundle \'' + pedalboardBundle + '\'');
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})
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.catch(reject);
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});
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}
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function getPedalControlById(pedalId, controlId) {
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return new Promise(function (resolve, reject) {
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getCurrentPedalById(pedalId)
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.then(function (pedal) {
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for (let index = 0; index < pedal.controls.length; index++) {
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if (pedal.controls[index].id != controlId) {
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continue;
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}
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return resolve(pedal.controls[index]);
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}
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return reject('could not find control for pedal \'' + pedalId + '\' by id \'' + controlId + '\'');
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})
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.catch(reject);
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});
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}
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function getCurrentPedalById(id) {
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return new Promise(function (resolve, reject) {
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getCurrentPedals()
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.then(function (currentPedals) {
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for (let index = 0; index < currentPedals.length; index++) {
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if (currentPedals[index].id != id) {
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continue;
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}
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return resolve(currentPedals[index]);
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}
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return reject('could not find current pedal by id \'' + id + '\'');
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})
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.catch(reject);
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});
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}
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function getCurrentPedals() {
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return new Promise(function (resolve, reject) {
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let currentPedals = cache.getCurrentPedals();
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if (currentPedals) {
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return resolve(currentPedals);
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}
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getCurrentPedalboard()
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.then(parseCurrentPedalboard)
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.then(resolve)
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.catch(reject);
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});
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}
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async function parseCurrentPedalboard(currentPedalboard) {
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let pedals = [];
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const defaultPedalboard = await getDefaultPedalboard();
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if (defaultPedalboard.id !== currentPedalboard.id) {
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let startTime = new Date();
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logger.debug('parsing current pedalboard...');
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if (currentPedalboard.uri === undefined) {
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throw new Error('could not determine current pedalboard config file');
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}
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// FAKE DATA
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// let file = path.resolve(path.dirname(__dirname) + '/dev/' + currentPedalboard.uri.substring(currentPedalboard.uri.lastIndexOf('/') + 1));
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let file = path.resolve(currentPedalboard.uri.replace('file://', ''));
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pedals = await new Promise((resolve, reject) => {
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fs.readFile(file, function (err, data) {
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if (err) {
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return reject('could not parse current pedalboard file \'' + file + '\' >>> ' + err);
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}
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let json = ttl2jsonld(data.toString())['@graph'];
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let id = 0;
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let currentPedals = [];
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for (let index = 0; index < json.length; index++) {
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let tmp = json[index];
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if (!tmp['lv2:prototype']) {
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continue;
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}
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let name = tmp['@id'];
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currentPedals.push({ id: id, name: name, controls: [] });
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id++;
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}
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for (let index = 0; index < json.length; index++) {
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let tmp = json[index];
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let name = tmp['@id'];
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let value = tmp['ingen:value'];
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if (value == undefined) {
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continue;
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}
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let pedal = undefined;
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for (let pedalIndex = 0; pedalIndex < currentPedals.length; pedalIndex++) {
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if (!name.startsWith(currentPedals[pedalIndex].name)) {
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continue;
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}
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pedal = currentPedals[pedalIndex];
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break;
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}
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if (!pedal) {
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continue;
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}
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id = pedal.controls.length;
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name = name.replace(pedal.name + '/', '');
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if (name == constants.CONTROL_BYPASS) {
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value = value;
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} else {
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value = value['@value'];
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}
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let control = { id: id, name: name, value: value };
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pedal.controls.push(control);
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id++;
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let midi = tmp['midi:binding'];
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if (!midi) {
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continue;
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}
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control.midi = { channel: midi['midi:channel'], controller: midi['midi:controllerNumber'] }
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}
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logger.debug('parsing current pedalboard file \'' + file + '\' took ' + util.timeDiff(startTime) + 'ms')
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resolve(currentPedals);
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});
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});
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}
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cache.setCurrentPedals(pedals);
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blinky.setStatus(pedals);
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return pedals;
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}
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function setControlByRequest(pedalId, requestParams) {
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return new Promise(function (resolve, reject) {
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let controlId = requestParams.get('id');
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if (controlId == undefined) {
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reject('could not handle POST - missing parameter \'id\'', 400);
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}
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let value = parseInt(requestParams.get('value'));
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if (value == undefined) {
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reject('could not handle POST - missing parameter \'value\'', 400);
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} else if (Number.isNaN(value)) {
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reject('parameter \'value\' is not a number', 400);
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}
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getPedalControlById(pedalId, controlId)
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.then(function (control) {
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resolve(setControl(control, value));
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})
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.catch(reject);
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});
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}
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async function setControl(control, value) {
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if (control === undefined || control.midi === undefined) {
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throw new Error('control \'' + control.name + '\' with id \'' + control.id + '\' has no midi bindings');
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}
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control.value = await osc.send(control.midi.controller, control.midi.channel, value);
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}
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function setPedalboardById(pedalboardId) {
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return new Promise(function (resolve, reject) {
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if (pedalboardId == undefined) {
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return reject('no pedalboard id given');
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}
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getPedalboardById(pedalboardId)
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.then(setPedalboard)
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.then(resolve)
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.catch(reject);
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});
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}
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function setPedalboard(pedalboard) {
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return new Promise(function (resolve, reject) {
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if (!pedalboard || !pedalboard.bundle) {
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return reject('no bundle set for pedalboard');
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}
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getCurrentPedalboard()
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.then(function (currentPedalboard) {
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if (pedalboard.id === currentPedalboard.id) {
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return Promise.reject('pedalboard with id \'' + currentPedalboard.id + '\' is already active');
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}
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})
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.then(function () {
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return reset()
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})
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.then(function () {
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return util.httpPOST(global.config.modep.host, global.config.modep.port, '/pedalboard/load_bundle/?bundlepath=' + pedalboard.bundle)
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})
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.then(function () {
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cache.setCurrentPedalboard(pedalboard);
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return parseCurrentPedalboard(pedalboard);
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})
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.then(resolve)
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.catch(reject);
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});
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}
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function hasControlMidiBindings(control) {
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return control !== undefined && control.midi !== undefined;
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}
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function isBypassed(control) {
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return control.name === constants.CONTROL_BYPASS && control
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}
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function isPedalBypassed(pedal) {
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const control = getBypassControlFromPedal(pedal);
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return control.value === undefined || control.value === 0;
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}
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function getBypassControlFromPedal(pedal) {
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if (pedal === undefined) {
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throw new Error('could not get bypass for an undefined pedal');
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}
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if (pedal.controls === undefined || pedal.controls.length === 0) {
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throw new Error('could not get bypass for pedal \'' + pedal.name + '\' with id \'' + pedal.id + '\', pedal has no controls');
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}
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let bypass;
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for (let index = 0; index < pedal.controls.length; index++) {
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const control = pedal.controls[index];
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if (control.name === constants.CONTROL_BYPASS) {
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bypass = pedal.controls[index];
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break;
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}
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}
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if (bypass === undefined) {
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throw new Error('could not find bypass control for pedal \'' + pedal.name + '\' with id \'' + pedal.id + '\'');
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}
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return bypass;
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}
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async function toggleBypass(pedalId) {
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let currentPedalboard = await getCurrentPedalboard();
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let defaultPedalboard = await getDefaultPedalboard();
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if (currentPedalboard.id === defaultPedalboard.id && pedalboardIdBypassOrigin === undefined) {
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throw new Error('could not activate bypass, default pedalboard is currently already active');
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}
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if (pedalId === undefined) {
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try {
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let pedalboardId;
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if (pedalboardIdBypassOrigin === undefined) {
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pedalboardId = defaultPedalboard.id;
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pedalboardIdBypassOrigin = currentPedalboard.id;
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} else {
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pedalboardId = pedalboardIdBypassOrigin;
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pedalboardIdBypassOrigin = undefined;
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}
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await setPedalboardById(pedalboardId);
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blinky.setBypass(pedalboardId === defaultPedalboard.id);
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} catch (err) {
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throw new Error(err);
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}
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return;
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}
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const pedal = await getCurrentPedalById(pedalId);
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const bypass = getBypassControlFromPedal(pedal);
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if (bypass.value === undefined || bypass.value === 0) {
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bypass.value = 0;
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} else {
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bypass.value = 127;
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}
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try {
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await setControl(bypass, bypass.value);
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blinky.setPedalStatus(pedal);
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} catch (err) {
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throw new Error('could not toggle bypass for pedal ' + pedal.name + ' with id \'' + pedal.id + '\' > ' + err);
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}
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}
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module.exports = {
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getBanks,
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getBankById,
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getPedalboards,
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getPedalboardById,
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getDefaultPedalboard,
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getCurrentPedalboard,
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getCurrentPedals,
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getCurrentPedalById,
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getPedalControlById,
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setPedalboard,
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setPedalboardById,
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setControlByRequest,
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toggleBypass,
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isPedalBypassed,
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hasControlMidiBindings,
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isPedalBypassed,
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getBypassControlFromPedal
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} |