phyks/expresso-timer
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

First commit

Browse Source
This commit is contained in:
Lucas Verney 2021-03-03 23:03:48 +01:00
commit 665214f1cf
2 changed files with 313 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
README.md Normal file
View File

@ -0,0 +1,23 @@
Expresso timer
==============
A simple timer for extracting expressos.
## Usage
Just open `index.html` with your browser.
## License
Code published under an MIT license.
```
Copyright 2021 Phyks
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
```

290
index.html Normal file
View File

@ -0,0 +1,290 @@
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Espresso timer</title>
<script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
<link href="https://fonts.googleapis.com/css?family=Roboto:100,300,400,500,700,900" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/@mdi/font@4.x/css/materialdesignicons.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.min.css" rel="stylesheet">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no, minimal-ui">
</head>
<body>
<div id="app">
<v-app>
<v-app-bar app>
<v-toolbar-title>Espresso timer</v-toolbar-title>
</v-app-bar>
<v-main>
<v-container>
<h2 class="text-h6 text-center">Timer</h2>
<v-row class="mt-8">
<v-col cols="2" offset="2">
<v-label>Grind level</p>
</v-col>
<v-col cols="6">
<v-slider
v-model="grindLevel"
thumb-color="primary"
thumb-label="always"
@change="storeValue('grindLevel')"
min="1"
max="20"
></v-slider>
</v-col>
</v-row>
<v-row>
<v-col cols="2" offset="2">
<v-label>Pre-infusion (in s)</p>
</v-col>
<v-col cols="6">
<v-slider
v-model="preinfusionTimer"
thumb-color="primary"
thumb-label="always"
:readonly="interval !== null"
@change="storeValue('preinfusionTimer')"
min="0"
max="10"
></v-slider>
</v-col>
</v-row>
<v-row>
<v-col cols="2" offset="2">
<v-label>Total time (in s)</p>
</v-col>
<v-col cols="6">
<v-slider
v-model="totalTimer"
thumb-color="primary"
thumb-label="always"
:readonly="interval !== null"
@change="storeValue('totalTimer')"
min="0"
max="40"
></v-slider>
</v-col>
</v-row>
<v-row>
<v-col cols="12" class="text-center">
<v-btn
class="mx-4"
fab
dark
large
color="primary"
@click="buttonFunction"
>
<v-icon dark v-if="interval">
mdi-stop
</v-icon>
<v-icon dark v-else-if="hasTimed">
mdi-replay
</v-icon>
<v-icon dark v-else>
mdi-play
</v-icon>
</v-btn>
</v-col>
<v-col cols="12" class="text-center" v-if="!interval && hasTimed">
<v-simple-table class="text-center">
<template v-slot:default>
<thead>
<tr>
<th>
Grind level
</th>
<th>
Pre-infusion
</th>
<th>
Total time
</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ grindLevel }}</td>
<td>{{ initialPreinfusionTimer - preinfusionTimer }}</td>
<td>{{ initialTotalTimer - totalTimer + extraTotalTime }}</td>
</tr>
</tbody>
</template>
</v-simple-table>
</v-col>
<v-col cols="12" class="text-center" v-if="!interval && hasTimed">
<v-btn
v-if="hasTimed"
class="mx-4"
fab
dark
large
color="primary"
@click="saveFunction"
>
<v-icon dark>
mdi-content-save
</v-icon>
</v-btn>
</v-col>
</v-row>
<v-divider class="my-8"></v-divider>
<h2 class="text-h6 text-center">History</h2>
<v-simple-table class="text-center" fixed-header v-if="history.length > 0">
<template v-slot:default>
<thead>
<tr>
<th>
Grind level
</th>
<th>
Pre-infusion
</th>
<th>
Total time
</th>
</tr>
</thead>
<tbody>
<tr v-for="point in history">
<td>{{ point.grindLevel }}</td>
<td>{{ point.preinfusionTime }}</td>
<td>{{ point.totalTime }}</td>
</tr>
</tbody>
</template>
</v-simple-table>
<p class="text-center" v-else>/</p>
</v-container>
</v-main>
</v-app>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue@2.x/dist/vue.js"></script>
<script src="https://cdn.jsdelivr.net/npm/vuetify@2.x/dist/vuetify.js"></script>
<script type="text/javascript">
var ONE_SECOND = 100; // TODO
function requestMic(handleSuccess, handleError) {
try {
window.AudioContext = window.AudioContext || window.webkitAudioContext;
audioContext = new AudioContext();
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
navigator.getUserMedia({audio: true}, handleSuccess, handleError);
} catch (e) {
handleError();
}
}
var app = new Vue({
el: '#app',
vuetify: new Vuetify(),
data: {
//audioBeep: new Audio('audio_file.mp3'),
//audioEnd: new Audio('audio_file.mp3'),
hasTimed: false,
interval: null,
grindLevel: window.localStorage.getItem('grindLevel') || 5,
initialPreinfusionTimer: null,
preinfusionTimer: window.localStorage.getItem('preinfusionTimer') || 4,
initialTotalTimer: null,
totalTimer: window.localStorage.getItem('totalTimer') || 25,
extraTotalTime: 0,
history: window.localStorage.getItem('history') || [],
},
methods: {
buttonFunction() {
if (this.interval) {
return this.stopTimer();
}
else if (this.hasTimed) {
return this.resetFunction();
}
return this.startTimer();
},
resetFunction() {
this.stopTimer();
this.hasTimed = false;
this.extraTotalTime = 0;
if (this.initialPreinfusionTimer) {
this.preinfusionTimer = this.initialPreinfusionTimer;
}
if (this.initialTotalTimer) {
this.totalTimer = this.initialTotalTimer;
}
},
saveFunction() {
this.history.push({
grindLevel: this.grindLevel,
preinfusionTime: this.initialPreinfusionTimer - this.preinfusionTimer,
totalTime: this.initialTotalTimer - this.totalTimer + this.extraTotalTime,
});
this.storeValue('history');
this.resetFunction();
},
startTimer() {
var handleSuccess = (stream) => {
var options = {
onVoiceStart: function() {
console.log('voice start');
},
onVoiceStop: function() {
console.log('voice stop');
},
onUpdate: function(val) {
console.log('curr val:', val);
}
};
// TODO: vad(audioContext, stream, options);
};
requestMic(
handleSuccess,
() => {
console.warn('Could not connect microphone. Possibly rejected by the user or blocked by the browser.');
console.log('Starting timer without voice detection.')
this.hasTimed = true;
this.initialPreinfusionTimer = this.preinfusionTimer;
this.initialTotalTimer = this.totalTimer;
this.interval = window.setInterval(() => {
// TODO: this.audioBeep.play();
if (this.preinfusionTimer > 0) {
this.preinfusionTimer -= 1;
} else {
if (this.totalTimer > 0) {
this.totalTimer -= 1;
} else {
if (this.totalTimer == 0) {
// TODO: this.audioEnd.play();
}
this.extraTotalTime += 1;
}
}
}, ONE_SECOND);
}
);
},
stopTimer() {
console.log('Timer stopped.')
if (this.interval) {
window.clearInterval(this.interval);
}
this.interval = null;
},
storeValue(item) {
window.localStorage.setItem(item, this[item]);
},
},
});
</script>
</body>
</html>