Files
metrics/src/metrics.mjs

174 lines
7.6 KiB
JavaScript

//Imports
import ejs from "ejs"
import SVGO from "svgo"
import imgb64 from "image-to-base64"
import axios from "axios"
import Plugins from "./plugins/index.mjs"
import Templates from "./templates/index.mjs"
import puppeteer from "puppeteer"
import url from "url"
//Setup
export default async function metrics({login, q}, {graphql, rest, plugins, conf, die = false}) {
//Compute rendering
try {
//Init
console.debug(`metrics/compute/${login} > start`)
console.debug(JSON.stringify(q))
const template = q.template || conf.settings.templates.default
const repositories = Math.max(0, Number(q.repositories)) || conf.settings.repositories || 100
const pending = []
const s = (value, end = "") => value > 1 ? {y:"ies", "":"s"}[end] : end
if ((!(template in Templates))||(!(template in conf.templates))||((conf.settings.templates.enabled.length)&&(!conf.settings.templates.enabled.includes(template))))
throw new Error("unsupported template")
const {query, image, style, fonts} = conf.templates[template]
const data = {base:{}}
//Base parts
{
const defaulted = ("base" in q) ? !!q.base : true
for (const part of conf.settings.plugins.base.parts)
data.base[part] = `base.${part}` in q ? !!q[ `base.${part}`] : defaulted
}
//Placeholder
if (login === "placeholder")
placeholder({data, conf, q})
//Compute
else {
//Query data from GitHub API
console.debug(`metrics/compute/${login} > graphql query`)
Object.assign(data, await graphql(query
.replace(/[$]login/, `"${login}"`)
.replace(/[$]repositories/, `${repositories}`)
.replace(/[$]calendar.to/, `"${(new Date()).toISOString()}"`)
.replace(/[$]calendar.from/, `"${(new Date(Date.now()-14*24*60*60*1000)).toISOString()}"`)
))
//Compute metrics
console.debug(`metrics/compute/${login} > compute`)
const computer = Templates[template].default || Templates[template]
await computer({login, q}, {conf, data, rest, graphql, plugins}, {s, pending, imports:{plugins:Plugins, url, imgb64, axios, puppeteer, format, bytes, shuffle, htmlescape}})
const promised = await Promise.all(pending)
//Check plugins errors
if (conf.settings.debug)
for (const {name, result = null} of promised)
console.debug(`plugin ${name} ${result ? result.error ? "failed" : "success" : "ignored"} : ${JSON.stringify(result).replace(/^(.{888}).+/, "$1...")}`)
if (die) {
const errors = promised.filter(({result = null}) => !!result?.error).length
if (errors)
throw new Error(`${errors} error${s(errors)} found...`)
}
}
//Template rendering
console.debug(`metrics/compute/${login} > render`)
let rendered = await ejs.render(image, {...data, s, style, fonts}, {async:true})
//Optimize rendering
if ((conf.optimize)&&(!q.raw)) {
console.debug(`metrics/compute/${login} > optimize`)
const svgo = new SVGO({full:true, plugins:[{cleanupAttrs:true}, {inlineStyles:false}]})
const {data:optimized} = await svgo.optimize(rendered)
rendered = optimized
}
//Result
console.debug(`metrics/compute/${login} > success`)
return rendered
}
//Internal error
catch (error) {
//User not found
if (((Array.isArray(error.errors))&&(error.errors[0].type === "NOT_FOUND")))
throw new Error("user not found")
//Generic error
throw error
}
}
/** Formatter */
function format(n) {
for (const {u, v} of [{u:"b", v:10**9}, {u:"m", v:10**6}, {u:"k", v:10**3}])
if (n/v >= 1)
return `${(n/v).toFixed(2).substr(0, 4).replace(/[.]0*$/, "")}${u}`
return n
}
/** Bytes formatter */
function bytes(n) {
for (const {u, v} of [{u:"E", v:10**18}, {u:"P", v:10**15}, {u:"T", v:10**12}, {u:"G", v:10**9}, {u:"M", v:10**6}, {u:"k", v:10**3}])
if (n/v >= 1)
return `${(n/v).toFixed(2).substr(0, 4).replace(/[.]0*$/, "")} ${u}B`
return `${n} byte${n > 1 ? "s" : ""}`
}
/** Array shuffler */
function shuffle(array) {
for (let i = array.length-1; i > 0; i--) {
const j = Math.floor(Math.random()*(i+1))
;[array[i], array[j]] = [array[j], array[i]]
}
return array
}
/** Escape html */
function htmlescape(string) {
return string
.replace(/&/g, "&")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#39;")
}
/** Placeholder generator */
function placeholder({data, conf, q}) {
//Proxifier
const proxify = (target) => typeof target === "object" ? new Proxy(target, {
get(target, property) {
//Primitive conversion
if (property === Symbol.toPrimitive)
return () => "##"
//Iterables
if (property === Symbol.iterator)
return Reflect.get(target, property)
//Plugins should not be proxified by default as they can be toggled by user
if (/^plugins$/.test(property))
return Reflect.get(target, property)
//Consider no errors on plugins
if (/^error/.test(property))
return undefined
//Proxify recursively
return proxify(property in target ? Reflect.get(target, property) : {})
}
}) : target
//Enabled plugins
const enabled = Object.entries(conf.settings.plugins).filter(([key, plugin]) => plugin.enabled).map(([key]) => key).filter(key => (key in q)&&(q[key]))
//Placeholder data
Object.assign(data, {
s(_, letter) { return letter === "y" ? "ies" : "s" },
meta:{version:conf.package.version, author:conf.package.author, placeholder:true},
user:proxify({name:`############`, websiteUrl:`########################`}),
computed:proxify({
avatar:"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mOcOnfpfwAGfgLYttYINwAAAABJRU5ErkJggg==",
registration:"## years ago",
calendar:new Array(14).fill({color:"#ebedf0"}),
licenses:{favorite:`########`},
plugins:Object.fromEntries(enabled.map(key =>
[key, proxify({
posts:{source:"########", posts:new Array("posts.limit" in q ? Math.max(Number(q["posts.limit"])||0, 0) : 2).fill({title:"###### ###### ####### ######", date:"####"})},
music:{provider:"########", tracks:new Array("music.limit" in q ? Math.max(Number(q["music.limit"])||0, 0) : 4).fill({name:"##########", artist:"######", artwork:"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mOcOnfpfwAGfgLYttYINwAAAABJRU5ErkJggg=="})},
pagespeed:{scores:["Performance", "Accessibility", "Best Practices", "SEO"].map(title => ({title, score:NaN}))},
followup:{issues:{count:0}, pr:{count:0}},
habits:{indents:{style:`########`}},
languages:{favorites:new Array(7).fill(null).map((_, x) => ({x, name:`######`, color:"#ebedf0", value:1/(x+1)}))},
topics:{list:[...new Array(12).fill(null).map(() => ({name:`######`, description:`Lorem ipsum dolor sit amet, consectetur adipiscing elit.`, icon:null})), {name:`And ## more...`, description:"", icon:null}]},
}[key]??{})]
)),
token:{scopes:[]},
}),
})
}