Stats: replace flotr2 with chart.js (#3858)

* include Chart.js

* page: main statistics. Flotr.js replaced with Chart.js

* main stats + repartition

* Delete: repartition.js + stats.js

* delete flotr2

* add libs in README

* polish

* code polish

* fixed amount of week days and months

* added manget link for LibreJS

* added: @license-end

* phpcbf + jshint formatting

* delete old code

* fix stats

* fix Comments

* finally I found the issue and fixed its best

* fix the month stats

* Whitespace fixes

* Remove flotr2

* Rename to chart.min.js

* Remove console.log

Co-authored-by: Alexandre Alapetite <alexandre@alapetite.fr>

1 files changed, 0 insertions, 67 deletions

diff --git a/p/scripts/stats.js b/p/scripts/stats.js
deleted file mode 100644
index 7e02868a3..000000000
--- a/p/scripts/stats.js
+++ /dev/null
@@ -1,67 +0,0 @@
-// @license magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0
-"use strict";
-/* globals Flotr, numberFormat */
-/* jshint esversion:6, strict:global */
-
-function initStats() {
-	if (!window.Flotr) {
-		if (window.console) {
-			console.log('FreshRSS waiting for Flotr…');
-		}
-		window.setTimeout(initStats, 50);
-		return;
-	}
-	const jsonStats = document.getElementById('jsonStats'),
-		stats = JSON.parse(jsonStats.innerHTML);
-	// Entry per day
-	const avg = [];
-	for (let i = -31; i <= 0; i++) {
-		avg.push([i, stats.average]);
-	}
-	Flotr.draw(document.getElementById('statsEntryPerDay'),
-		[{
-			data: stats.dataCount,
-			bars: {horizontal: false, show: true}
-		},{
-			data: avg,
-			lines: {show: true},
-			label: stats.average,
-		}],
-		{
-			grid: {verticalLines: false},
-			xaxis: {noTicks: 6, showLabels: false, tickDecimals: 0, min: -30.75, max: -0.25},
-			yaxis: {min: 0},
-			mouse: {relative: true, track: true, trackDecimals: 0, trackFormatter: function (obj) { return numberFormat(obj.y); }},
-		});
-	// Feed per category
-	Flotr.draw(document.getElementById('statsFeedPerCategory'),
-		stats.feedByCategory,
-		{
-			grid: {verticalLines: false, horizontalLines: false},
-			pie: {explode: 10, show: true, labelFormatter: function(){return '';}},
-			xaxis: {showLabels: false},
-			yaxis: {showLabels: false},
-			mouse: {relative: true, track: true, trackDecimals: 0, trackFormatter: function (obj) {
-				return obj.series.label + ' - ' + numberFormat(obj.y) + ' (' + (obj.fraction * 100).toFixed(1) + '%)';
-			}},
-			legend: {container: document.getElementById('statsFeedPerCategoryLegend'), noColumns: 3}
-		});
-	// Entry per category
-	Flotr.draw(document.getElementById('statsEntryPerCategory'),
-		stats.entryByCategory,
-		{
-			grid: {verticalLines: false, horizontalLines: false},
-			pie: {explode: 10, show: true, labelFormatter: function () { return ''; }},
-			xaxis: {showLabels: false},
-			yaxis: {showLabels: false},
-			mouse: {relative: true, track: true, trackDecimals: 0, trackFormatter: function (obj) {
-				return obj.series.label + ' - ' + numberFormat(obj.y) + ' (' + (obj.fraction * 100).toFixed(1) + '%)';
-			}},
-			legend: {container: document.getElementById('statsEntryPerCategoryLegend'), noColumns: 3}
-		});
-}
-initStats();
-
-window.addEventListener('resize', initStats);
-
-// @license-end