94 lines
3.7 KiB
JavaScript
94 lines
3.7 KiB
JavaScript
//Imports
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import ejs from "ejs"
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import SVGO from "svgo"
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import imgb64 from "image-to-base64"
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import axios from "axios"
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import Plugins from "./plugins/index.mjs"
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import Templates from "./templates/index.mjs"
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import puppeteer from "puppeteer"
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import url from "url"
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//Setup
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export default async function metrics({login, q}, {graphql, rest, plugins, conf}) {
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//Compute rendering
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try {
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//Init
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console.debug(`metrics/compute/${login} > start`)
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console.debug(JSON.stringify(q))
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const template = q.template || conf.settings.templates.default
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const repositories = Math.max(0, Number(q.repositories)) || conf.settings.repositories || 100
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const pending = []
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const s = (value, end = "") => value > 1 ? {y:"ies", "":"s"}[end] : end
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if ((!(template in Templates))||(!(template in conf.templates))||((conf.settings.templates.enabled.length)&&(!conf.settings.templates.enabled.includes(template))))
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throw new Error("unsupported template")
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const {query, image, style, fonts} = conf.templates[template]
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//Query data from GitHub API
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console.debug(`metrics/compute/${login} > query`)
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const data = await graphql(query
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.replace(/[$]login/, `"${login}"`)
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.replace(/[$]repositories/, `${repositories}`)
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.replace(/[$]calendar.to/, `"${(new Date()).toISOString()}"`)
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.replace(/[$]calendar.from/, `"${(new Date(Date.now()-14*24*60*60*1000)).toISOString()}"`)
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)
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console.debug(`metrics/compute/${login} > query > success`)
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//Base parts
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data.base = {}
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if (("base" in q)&&(!q.base))
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conf.settings.plugins.base.parts.map(part => q[`base.${part}`] = false)
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for (const part of conf.settings.plugins.base.parts)
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data.base[part] = (`base.${part}` in q) ? !!q[`base.${part}`] : true
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//Template
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console.debug(`metrics/compute/${login} > compute`)
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const computer = Templates[template].default || Templates[template]
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await computer({login, q}, {conf, data, rest, graphql, plugins}, {s, pending, imports:{plugins:Plugins, url, imgb64, axios, puppeteer, format, shuffle}})
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await Promise.all(pending)
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console.debug(`metrics/compute/${login} > compute > success`)
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//Eval rendering
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console.debug(`metrics/compute/${login} > render`)
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let rendered = await ejs.render(image, {...data, s, style, fonts}, {async:true})
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console.debug(`metrics/compute/${login} > render > success`)
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//Optimize rendering
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if ((conf.optimize)&&(!q.raw)) {
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console.debug(`metrics/compute/${login} > optimize`)
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const svgo = new SVGO({full:true, plugins:[{cleanupAttrs:true}, {inlineStyles:false}]})
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const {data:optimized} = await svgo.optimize(rendered)
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console.debug(`metrics/compute/${login} > optimize > success`)
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rendered = optimized
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}
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//Result
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return rendered
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}
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//Internal error
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catch (error) {
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//User not found
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if (((Array.isArray(error.errors))&&(error.errors[0].type === "NOT_FOUND")))
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throw new Error("user not found")
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//Generic error
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throw error
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}
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}
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/** Formatter */
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function format(n) {
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for (const {u, v} of [{u:"b", v:10**9}, {u:"m", v:10**6}, {u:"k", v:10**3}])
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if (n/v >= 1)
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return `${(n/v).toFixed(2).substr(0, 4).replace(/[.]0*$/, "")}${u}`
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return n
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}
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/** Array shuffler */
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function shuffle(array) {
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for (let i = array.length-1; i > 0; i--) {
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const j = Math.floor(Math.random()*(i+1))
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;[array[i], array[j]] = [array[j], array[i]]
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}
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return array
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}
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