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chart
This commit is contained in:
parent
3d7e72f1ba
commit
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1
.gitignore
vendored
1
.gitignore
vendored
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@ -2,3 +2,4 @@ config.json
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built
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node_modules
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memory.json
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font.ttf
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@ -21,6 +21,9 @@ Misskey用の日本語Botです。
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```
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`npm install` して `npm run build` して `npm start` すれば起動できます
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## フォント
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一部の機能にはフォントが必要です。藍にはフォントは同梱されていないので、ご自身でフォントをインストールディレクトリに`font.ttf`という名前で設置してください。
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## 記憶
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藍は記憶の保持にインメモリデータベースを使用しており、藍のインストールディレクトリに `memory.json` という名前で永続化されます。
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@ -20,6 +20,7 @@ import ServerModule from './modules/server';
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import FollowModule from './modules/follow';
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import ValentineModule from './modules/valentine';
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import MazeModule from './modules/maze';
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import ChartModule from './modules/chart';
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import chalk from 'chalk';
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import * as request from 'request-promise-native';
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@ -71,6 +72,7 @@ promiseRetry(retry => {
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new ValentineModule(),
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new KeywordModule(),
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new MazeModule(),
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new ChartModule(),
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]);
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}).catch(e => {
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log(chalk.red('Failed to fetch the account'));
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107
src/modules/chart/index.ts
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107
src/modules/chart/index.ts
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@ -0,0 +1,107 @@
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import autobind from 'autobind-decorator';
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import Module from '../../module';
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import serifs from '../../serifs';
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import Message from '../../message';
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import { renderChart } from './render-chart';
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export default class extends Module {
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public readonly name = 'chart';
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@autobind
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public install() {
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this.post();
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setInterval(this.post, 1000 * 60 * 3);
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return {
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mentionHook: this.mentionHook
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};
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}
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@autobind
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private async post() {
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const now = new Date();
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if (now.getHours() !== 23) return;
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const date = `${now.getFullYear()}-${now.getMonth()}-${now.getDate()}`;
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const data = this.getData();
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if (data.lastPosted == date) return;
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data.lastPosted = date;
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this.setData(data);
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this.log('Time to chart');
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const file = await this.genChart('notes');
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this.log('Posting...');
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this.ai.post({
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text: serifs.chart.post,
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fileIds: [file.id]
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});
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}
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@autobind
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private async genChart(type, params?): Promise<any> {
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this.log('Chart data fetching...');
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let chart;
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if (type === 'userNotes') {
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const data = await this.ai.api('charts/user/notes', {
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span: 'day',
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limit: 30,
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userId: params.userId
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});
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chart = {
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datasets: [{
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data: data.diffs.normal
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}, {
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data: data.diffs.reply
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}, {
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data: data.diffs.renote
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}]
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};
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} else if (type === 'notes') {
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const data = await this.ai.api('charts/notes', {
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span: 'day',
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limit: 30,
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});
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chart = {
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datasets: [{
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data: data.local.diffs.normal
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}, {
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data: data.local.diffs.reply
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}, {
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data: data.local.diffs.renote
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}]
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};
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}
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this.log('Chart rendering...');
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const img = renderChart(chart);
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this.log('Image uploading...');
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const file = await this.ai.upload(img, {
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filename: 'chart.png',
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contentType: 'image/png'
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});
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return file;
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}
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@autobind
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private async mentionHook(msg: Message) {
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if (msg.includes(['チャート'])) {
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this.log('Chart requested');
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const file = await this.genChart('userNotes', {
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userId: msg.userId
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});
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this.log('Replying...');
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msg.replyWithFile(serifs.chart.foryou, file);
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return {
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reaction: 'like'
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};
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} else {
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return false;
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}
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}
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}
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201
src/modules/chart/render-chart.ts
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201
src/modules/chart/render-chart.ts
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import { createCanvas, registerFont } from 'canvas';
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const width = 1024 + 256;
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const height = 512 + 256;
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const margin = 128;
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const chartAreaX = margin;
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const chartAreaY = margin;
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const chartAreaWidth = width - (margin * 2);
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const chartAreaHeight = height - (margin * 2);
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const lineWidth = 16;
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const yAxisThickness = 2;
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const colors = {
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bg: '#434343',
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text: '#e0e4cc',
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yAxis: '#5a5a5a',
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dataset: [
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'#ff4e50',
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'#c2f725',
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'#69d2e7',
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'#f38630',
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'#f9d423',
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]
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};
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const yAxisTicks = 4;
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type Chart = {
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title?: string;
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datasets: {
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title?: string;
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data: number[];
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}[];
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};
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export function renderChart(chart: Chart) {
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registerFont('./font.ttf', { family: 'CustomFont' });
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const canvas = createCanvas(width, height);
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const ctx = canvas.getContext('2d');
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ctx.antialias = 'default';
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ctx.fillStyle = colors.bg;
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ctx.beginPath();
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ctx.fillRect(0, 0, width, height);
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const xAxisCount = chart.datasets[0].data.length;
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const serieses = chart.datasets.length;
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let lowerBound = Infinity;
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let upperBound = -Infinity;
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for (let xAxis = 0; xAxis < xAxisCount; xAxis++) {
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let v = 0;
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for (let series = 0; series < serieses; series++) {
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v += chart.datasets[series].data[xAxis];
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}
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if (v > upperBound) upperBound = v;
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if (v < lowerBound) lowerBound = v;
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}
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// Calculate Y axis scale
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const yAxisSteps = niceScale(lowerBound, upperBound, yAxisTicks);
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const yAxisStepsMin = yAxisSteps[0];
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const yAxisStepsMax = yAxisSteps[yAxisSteps.length - 1];
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const yAxisRange = yAxisStepsMax - yAxisStepsMin;
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// Draw Y axis
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ctx.lineWidth = yAxisThickness;
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ctx.lineCap = 'round';
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ctx.strokeStyle = colors.yAxis;
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for (let i = 0; i < yAxisSteps.length; i++) {
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const step = yAxisSteps[yAxisSteps.length - i - 1];
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const y = i * (chartAreaHeight / (yAxisSteps.length - 1));
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ctx.beginPath();
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ctx.lineTo(chartAreaX, chartAreaY + y);
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ctx.lineTo(chartAreaX + chartAreaWidth, chartAreaY + y);
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ctx.stroke();
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ctx.font = '20px CustomFont';
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ctx.fillStyle = colors.text;
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ctx.fillText(step.toString(), chartAreaX, chartAreaY + y - 8);
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}
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const newDatasets = [];
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for (let series = 0; series < serieses; series++) {
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newDatasets.push({
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data: []
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});
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}
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for (let xAxis = 0; xAxis < xAxisCount; xAxis++) {
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for (let series = 0; series < serieses; series++) {
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newDatasets[series].data.push(chart.datasets[series].data[xAxis] / yAxisRange);
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}
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}
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const perXAxisWidth = chartAreaWidth / xAxisCount;
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let newUpperBound = -Infinity;
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for (let xAxis = 0; xAxis < xAxisCount; xAxis++) {
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let v = 0;
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for (let series = 0; series < serieses; series++) {
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v += newDatasets[series].data[xAxis];
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}
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if (v > newUpperBound) newUpperBound = v;
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}
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// Draw X axis
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ctx.lineWidth = lineWidth;
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ctx.lineCap = 'round';
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for (let xAxis = 0; xAxis < xAxisCount; xAxis++) {
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const xAxisPerTypeHeights = [];
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for (let series = 0; series < serieses; series++) {
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const v = newDatasets[series].data[xAxis];
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const vHeight = (v / newUpperBound) * (chartAreaHeight - ((yAxisStepsMax - upperBound) / yAxisStepsMax * chartAreaHeight));
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xAxisPerTypeHeights.push(vHeight);
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}
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for (let series = serieses - 1; series >= 0; series--) {
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ctx.strokeStyle = colors.dataset[series % colors.dataset.length];
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let total = 0;
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for (let i = 0; i < series; i++) {
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total += xAxisPerTypeHeights[i];
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}
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const height = xAxisPerTypeHeights[series];
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const x = chartAreaX + (perXAxisWidth * ((xAxisCount - 1) - xAxis)) + (perXAxisWidth / 2);
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const yTop = (chartAreaY + chartAreaHeight) - (total + height);
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const yBottom = (chartAreaY + chartAreaHeight) - (total);
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ctx.globalAlpha = 1 - (xAxis / xAxisCount);
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ctx.beginPath();
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ctx.lineTo(x, yTop);
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ctx.lineTo(x, yBottom);
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ctx.stroke();
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}
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}
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return canvas.toBuffer();
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}
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// https://stackoverflow.com/questions/326679/choosing-an-attractive-linear-scale-for-a-graphs-y-axis
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// https://github.com/apexcharts/apexcharts.js/blob/master/src/modules/Scales.js
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// This routine creates the Y axis values for a graph.
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function niceScale(lowerBound: number, upperBound: number, ticks: number): number[] {
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// Calculate Min amd Max graphical labels and graph
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// increments. The number of ticks defaults to
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// 10 which is the SUGGESTED value. Any tick value
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// entered is used as a suggested value which is
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// adjusted to be a 'pretty' value.
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//
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// Output will be an array of the Y axis values that
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// encompass the Y values.
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const steps = [];
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// Determine Range
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const range = upperBound - lowerBound;
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let tiks = ticks + 1;
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// Adjust ticks if needed
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if (tiks < 2) {
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tiks = 2;
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} else if (tiks > 2) {
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tiks -= 2;
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}
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// Get raw step value
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const tempStep = range / tiks;
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// Calculate pretty step value
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const mag = Math.floor(Math.log10(tempStep));
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const magPow = Math.pow(10, mag);
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const magMsd = (parseInt as any)(tempStep / magPow);
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const stepSize = magMsd * magPow;
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// build Y label array.
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// Lower and upper bounds calculations
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const lb = stepSize * Math.floor(lowerBound / stepSize);
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const ub = stepSize * Math.ceil(upperBound / stepSize);
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// Build array
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let val = lb;
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while (1) {
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steps.push(val);
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val += stepSize;
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if (val > ub) {
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break;
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}
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}
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return steps;
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}
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@ -316,6 +316,11 @@ export default {
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post: '今日の迷路です! #AiMaze',
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foryou: '描きました!'
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},
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chart: {
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post: 'インスタンスの投稿数です!',
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foryou: '描きました!'
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},
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};
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export function getSerif(variant: string | string[]): string {
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@ -59,6 +59,9 @@ Misskeyにアカウントを作成して初めて投稿を行うと、藍がそ
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### バレンタイン
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藍がチョコレートをくれます。
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### チャート
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インスタンスの投稿チャートなどを投稿してくれます。
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### サーバー監視
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サーバーの状態を監視し、負荷が高くなっているときは教えてくれます。
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