diff options
| author | Determinant <[email protected]> | 2024-09-09 12:06:42 -0700 |
|---|---|---|
| committer | Determinant <[email protected]> | 2024-09-09 12:06:42 -0700 |
| commit | 4309035aec9ffa194c5163da93c6ba8e6242b887 (patch) | |
| tree | ff838614afa1cc8045819da88f59a8bb2a55bbe1 /app.mjs | |
| parent | 385077c96dbf91b51c9d7b465e0654c789784041 (diff) | |
...
Diffstat (limited to 'app.mjs')
| -rwxr-xr-x | app.mjs | 80 |
1 files changed, 76 insertions, 4 deletions
@@ -2,13 +2,18 @@ const csUrl = "https://aeronav.faa.gov/upload_313-d/supplements/"; const tppUrl = "https://aeronav.faa.gov/upload_313-d/terminal/"; +const ifrEnrouteUrl = "https://aeronav.faa.gov/enroute/"; import { JSDOM } from "jsdom"; import moment from "moment"; import fs from "node:fs/promises"; +import decompress from "decompress"; +import { waitForDebugger } from "node:inspector"; const csRegions = ["SW"]; const tppRegions = ["SW1", "SW2", "SW3", "SW4"]; +const ifrEnrouteLow = [2, 3, 4]; +const ifrEnrouteHigh = []; const getChartSupplementDiretory = async () => { const dom = await JSDOM.fromURL(csUrl, {}); @@ -29,7 +34,10 @@ const getChartSupplementDiretory = async () => { if (files[region]) { files[region].push({ url, date }); if (moment() >= date) { - files[region].current = { url, date: date.format('YYYY-MM-DD') }; + files[region].current = { + url, + date: date.format("YYYY-MM-DD"), + }; } } } @@ -80,14 +88,69 @@ const getTerminalProcedurePublication = async () => { return files; }; +const getIFREnroute = async () => { + const dom = await JSDOM.fromURL(ifrEnrouteUrl, {}); + let chd = dom.window.document.querySelector("pre").children; + const files = {}; + for (const i of ifrEnrouteLow) { + files[`L${i.toFixed(0).padStart(2, "0")}`] = []; + } + for (const i of ifrEnrouteHigh) { + files[`H${i.toFixed(0).padStart(2, "0")}`] = []; + } + + const pattern = /([0-9]{2}-[0-9]{2}-[0-9]{4})/; + for (let i = 0; i < chd.length; i++) { + if (chd[i] instanceof dom.window.HTMLAnchorElement) { + const folder = chd[i].textContent; + const m = folder.match(pattern); + if (m) { + const dom = await JSDOM.fromURL(`${ifrEnrouteUrl}${m[1]}`, {}); + const date = moment(m[1], "MM-DD-YYYY"); + const items = dom.window.document.querySelector("pre").children; + const pattern = /ENR_([A-Z0-9]+).zip/; + if (moment() >= date) { + for (let j = 0; j < items.length; j++) { + const file = items[j].textContent; + const m = file.match(pattern); + const url = `${ifrEnrouteUrl}/${folder}/${file}`; + if (m) { + const region = m[1]; + const unzip = {}; + unzip[`ENR_${region}.tif`] = ".tif"; + if (files[region]) { + files[region].push({ url, date }); + files[region].current = { + url, + date: date.format("YYYY-MM-DD"), + unzip, + }; + } + } + } + } else { + console.log(`skipped ${folder}: in the future`); + } + } + } + } + return files; +}; + const res = [ - { prefix: "cs", files: await getChartSupplementDiretory() }, - { prefix: "tpp", files: await getTerminalProcedurePublication() }, + //{ prefix: "cs", files: await getChartSupplementDiretory() }, + //{ prefix: "tpp", files: await getTerminalProcedurePublication() }, + { prefix: "ifr-enroute-low", files: await getIFREnroute() }, ]; + +//console.log(res); for (let r of res) { for (let region of Object.keys(r.files)) { const cur = r.files[region].current; - const file = `${r.prefix}-${region.toLowerCase()}-${cur.date}.pdf`; + if (!cur) { + continue; + } + const file = `${r.prefix}-${region.toLowerCase()}-${cur.date}.${cur.unzip ? "zip" : "pdf"}`; const fileExists = (path) => fs.stat(path).then( () => true, @@ -100,6 +163,15 @@ for (let r of res) { await fetch(cur.url) .then((r) => r.arrayBuffer()) .then((bytes) => fs.writeFile(file, new Uint8Array(bytes))); + if (cur.unzip) { + await decompress(file, "./", { + filter: (f) => cur.unzip[f.path] != null, + map: (f) => { + f.path = `${r.prefix}-${region.toLowerCase()}-${cur.date}${cur.unzip[f.path]}`; + return f; + }, + }); + } } } } |