credger/public/ploty.html
Gwenhael Le Moine 28bf183082
use plotly.js
2021-05-20 23:07:14 +02:00

194 lines
8.5 KiB
HTML

<html>
<head>
<meta charset="UTF-8">
<!-- Plotly.js -->
<script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
<script>
const API = {
fetch: async ( endpoint, params = {} ) => {
let url = new URL( endpoint, `${location.protocol}//${location.host}` );
url.search = new URLSearchParams( params );
const response = await fetch( url );
return await response.json();
},
balance: ( period, categories, depth ) => API.fetch( "/api/ledger/balance", { period: period, categories: categories, depth: depth } ),
register: ( period, categories ) => API.fetch( "/api/ledger/register", { period: period, categories: categories } ),
graph_values: ( period, categories, granularity ) => API.fetch( "/api/ledger/graph_values", { period: period, categories: categories, granularity: granularity } ),
accounts: () => API.fetch( "/api/ledger/accounts" )
}
const Utils = {
text_to_color: text => {
let hash = 0
for (let i = 0; i < text.length; i++)
hash = (((hash << 5) - hash) + text.charCodeAt(i)) | 0;
hash = Math.abs( hash );
let shash = hash.toString(16).substr(0, 6).padEnd( 6, '0' );
return `#${shash}`;
},
readable_date: date => {
const months = { 0: 'Janvier', 1: 'Février', 2: 'Mars', 3: 'Avril', 4: 'Mai', 5: 'Juin', 6: 'Juillet', 7: 'Août', 8: 'Septembre', 9: 'Octobre', 10: 'Novembre', 11: 'Décembre' };
return `${months[ date.getMonth() ]} ${date.getFullYear()}`;
}
};
const UI = {
/* https://medium.com/@heyoka/scratch-made-svg-donut-pie-charts-in-html5-2c587e935d72 */
donut: ( element, dataset ) => {
const thickness = 9;
let filed_percent = 0;
const data_to_donut_segment = ( data ) => {
if ( data.amount > 0 ) {
const stroke_dashoffset = ( percent ) => {
let offset = 100 - filed_percent;
return offset > 100 ? offset - 100 : offset;
};
const donut_segment = `<circle class="donut-segment ${data.account.split(':').join(' ')}" cx="21" cy="21" r="15.91549430918954" fill="transparent" stroke="${data.color}" stroke-width="${thickness}" stroke-dasharray="${data.percent} ${100 - data.percent}" stroke-dashoffset="${stroke_dashoffset( data.percent )}"><title>${data.tooltip}</title></circle>`;
filed_percent += data.percent;
return donut_segment;
} else {
return '';
}
};
element.innerHTML = `<svg width="100%" height="100%" viewBox="0 0 42 42" class="donut">
<circle class="donut-hole" cx="21" cy="21" r="15.91549430918954" fill="#fff"></circle>
<circle class="donut-ring" cx="21" cy="21" r="15.91549430918954" fill="transparent" stroke="#d2d3d4" stroke-width="${thickness}"></circle>
${dataset.map( line => data_to_donut_segment( line ) ).join("")}
</svg>`;
}
};
let selected_accounts = [];
let current_period;
const Controls = {
main_graph: {
init: () => Controls.main_graph.set( selected_accounts ),
set: async accounts => {
console.log(accounts)
/* 1. get graph_values for accounts */
let values = await API.graph_values( "", accounts.join(" "), "monthly" );
/* 2. forEach account build a {
x: ["2020-01", "2020-02", "2020-03", "2020-04"],
y: [1, 4, 9, 16],
name: 'Account1',
type: 'bar'
} */
let graph_accounts = Object.keys(values).map( act => {
return {
name: act,
type: "bar",
x: values[ act ].map( reg => reg.date),
y: values[ act ].map( reg => reg.amount)
};
});
var layout = {
xaxis: {title: 'Dates'},
yaxis: {title: 'Amount'},
barmode: 'relative',
title: 'Relative Barmode'
};
Plotly.newPlot('mainGraph', graph_accounts, layout);
}
},
period: {
init: () => Controls.period.set( new Date() ),
set: period => {
current_period = period;
document.querySelector( "#period #display" ).innerHTML = Utils.readable_date( current_period );
monthly( current_period, selected_accounts );
},
get: () => current_period,
prev: () => {
current_period.setMonth( current_period.getMonth() - 1 );
Controls.period.set( current_period );
},
next: () => {
current_period.setMonth( current_period.getMonth() + 1 );
Controls.period.set( current_period );
},
},
accounts: {
init: async () => {
let account_to_option = ( account, selected ) => `<option value="${account.join(':')}" ${selected ? "selected" : ""}>${account.join(':')}</option>`;
let accounts = await API.accounts();
let select = document.querySelector("select#accounts");
select.innerHTML = '';
for ( let i = 1 ; i < accounts.reduce( (memo, a) => a.length > memo ? a.length : memo, 0 ) ; i++ ) {
select.innerHTML += `<optgroup label="Depth: ${i}">${accounts.filter( a => a.length == i ).map( account => account_to_option( account, i == 1 )).join('')}</optgroup>`;
}
let ui_accounts = document.getElementById("accounts")
ui_accounts.addEventListener( 'change',
event => Controls.accounts.onchange( event.target ) );
Controls.accounts.onchange( ui_accounts );
},
onchange: element => {
selected_accounts = Array.from( element.options ).filter( o => o.selected ).map( o => o.value );
Controls.main_graph.set( selected_accounts );
monthly( current_period, selected_accounts );
}
}
};
const monthly = async ( period, categories ) => {
let balance = await API.balance( period.toISOString().split("T")[0].slice( 0, -3 ), categories.join(" "), 999 )
const total = balance.reduce( (memo, line) => memo + line.amount, 0 );
UI.donut( document.querySelector( `#month #donut` ),
balance.sort( (a, b) => b.amount - a.amount )
.map( line => {
line.color = Utils.text_to_color( line.account );
line.percent = ( line.amount / total ) * 100;
line.tooltip = `${line.account} : ${line.amount}`;
return line;
} ) );
};
</script>
</head>
<body>
<div id="controls">
<div id="period">
<button onclick="Controls.period.prev()">-</button>
<button onclick="Controls.period.next()">+</button>
<h3 id="display"></h3>
</div>
</div>
<select id="accounts" name="accounts" multiple size="20"></select>
<div id="mainGraph"></div>
<div id="month">
<div id="donut" style="height: 256; width: 256;"></div>
</div>
<script>
(async () => {
await Controls.accounts.init();
Controls.main_graph.init();
Controls.period.init();
})();
</script>
</body>
</html>