credger/public/pure.html
2019-11-25 15:48:35 +01:00

170 lines
7.5 KiB
HTML

<html>
<head>
<meta charset="UTF-8">
<script>
const fetch_from_API = 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();
};
const API = {
balance: (period, categories, depth) => fetch_from_API( "/api/ledger/balance", { period: period, categories: categories, depth: depth } ),
register: (period, categories) => fetch_from_API( "/api/ledger/register", { period: period, categories: categories } ),
graph_values: (period, categories, granularity) => fetch_from_API( "/api/ledger/graph_values", { period: period, categories: categories, granularity: granularity } ),
accounts: () => fetch_from_API( "/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}`;
}
};
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>
${dataset.map( line => data_to_donut_segment( line ) ).join("")}
</svg>`;
}
};
let current_period;
let granularity = 3;
const Controls = {
period: {
init: () => Controls.period.set( new Date() ),
set: ( period ) => {
current_period = period;
const months = { 0: 'Janvier',
1: 'Février',
2: 'Mars',
3: 'Avril',
4: 'Mai',
5: 'Juin',
6: 'Juillet',
7: 'Août',
8: 'Septembre',
9: 'Octobre',
10: 'Novembre',
11: 'Décembre' };
document.querySelector( "#period #display" ).innerHTML = `${months[ current_period.getMonth() ]} ${current_period.getFullYear()}`;
monthly();
},
get: () => current_period,
prev: () => {
current_period.setMonth( current_period.getMonth() - 1 );
Controls.period.set( current_period );
},
next: () => {
current_period.setMonth( current_period.getMonth() + 1 );
Controls.period.set( current_period );
},
},
accounts: {
init: async () => {
let account_to_option = account => `<option value="${account.join(':')}">${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 )).join('')}</optgroup>`;
}
},
onchange: ( accounts_selected ) => {
/* TODO */
console.log( accounts_selected );
}
}
/* granularity: {
* set: ( value ) => {
* if ( !isNaN( parseInt( value ) ) ) {
* granularity = parseInt( value );
* monthly();
* }
* }
* } */
};
const monthly = () => {
API.balance( current_period.toISOString().split("T")[0].slice( 0, -3 ), ["Expenses"].join(" "), 999 )
.then( balance => {
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 id="granularity">
<input oninput="Controls.granularity.set( this.value );">
</div> -->
</div>
<select id="accounts" name="accounts" multiple size="20" onchange="Controls.accounts.onchange( Array.from( this.options ).filter( o => o.selected ).map( o => o.value ) )"></select>
<div id="month">
<div id="donut" style="height: 256; width: 256;"></div>
</div>
<script>
(async () => {
await Controls.accounts.init();
await Controls.period.init();
console.log( await API.graph_values( "", ["Expenses", "Income"].join(" "), "monthly" ) )
})();
</script>
</body>
</html>