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Velopark: Some cleanup to script

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This commit is contained in:
Pieter Vander Vennet 2024-04-13 01:36:37 +02:00
parent 6876d833f4
commit 10918c39fc
1 changed files with 45 additions and 27 deletions
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68
scripts/velopark/veloParkToGeojson.ts
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@ -48,11 +48,34 @@ class VeloParkToGeojson extends Script {
}
private static async downloadDataFor(url: string, allProperties: Record<string, Set<string>>): Promise<Feature[]> {
const cachePath = "/home/pietervdvn/data/velopark_cache/" + url.replace(/[/:.]/g, "_")
if (!fs.existsSync(cachePath)) {
const data = await Utils.downloadJson(url)
fs.writeFileSync(cachePath, JSON.stringify(data), "utf-8")
console.log("Saved a backup to", cachePath)
}
this.sumProperties(JSON.parse(fs.readFileSync(cachePath, "utf-8")), allProperties)
const linkedData = await LinkedDataLoader.fetchVeloparkEntry(url)
const allVelopark: Feature[] = []
for (const sectionId in linkedData) {
const sectionInfo = linkedData[sectionId]
if (Object.keys(sectionInfo).length === 0) {
console.warn("No result for", url)
}
sectionInfo["ref:velopark"] = [sectionId ?? url]
allVelopark.push(sectionInfo)
}
return allVelopark
}
private static async downloadData() {
console.log("Downloading velopark data")
// Download data for NIS-code 1000. 1000 means: all of belgium
const url = "https://www.velopark.be/api/parkings/1000"
const allVeloparkRaw: { url: string }[] = await Utils.downloadJson(url)
const allVeloparkRaw: { url: string }[] = <{url: string}[]> await Utils.downloadJson(url)
let failed = 0
console.log("Got", allVeloparkRaw.length, "items")
@ -62,24 +85,8 @@ class VeloParkToGeojson extends Script {
const f = allVeloparkRaw[i]
console.log("Handling", i + "/" + allVeloparkRaw.length)
try {
const cachePath = "/home/pietervdvn/data/velopark_cache/" + f.url.replace(/[/:.]/g, "_")
if (!fs.existsSync(cachePath)) {
const data = await Utils.downloadJson(f.url)
fs.writeFileSync(cachePath, JSON.stringify(data), "utf-8")
console.log("Saved a backup to", cachePath)
}
this.sumProperties(JSON.parse(fs.readFileSync(cachePath, "utf-8")), allProperties)
const linkedData = await LinkedDataLoader.fetchVeloparkEntry(f.url)
for (const sectionId in linkedData) {
const sectionInfo = linkedData[sectionId]
if (Object.keys(sectionInfo).length === 0) {
console.warn("No result for", f.url)
}
sectionInfo["ref:velopark"] = [sectionId ?? f.url]
allVelopark.push(sectionInfo)
}
const sections: Feature[] = await VeloParkToGeojson.downloadDataFor(f.url, allProperties)
allVelopark.push(...sections)
} catch (e) {
console.error("Loading ", f.url, " failed due to", e)
failed++
@ -87,7 +94,7 @@ class VeloParkToGeojson extends Script {
}
}
console.log("Fetching data done, got ", allVelopark.length + "/" + allVeloparkRaw.length, "failed:", failed)
VeloParkToGeojson.exportGeojsonTo("velopark_all.geojson", allVelopark)
VeloParkToGeojson.exportGeojsonTo("velopark_all", allVelopark)
for (const k in allProperties) {
allProperties[k] = Array.from(allProperties[k])
}
@ -97,8 +104,19 @@ class VeloParkToGeojson extends Script {
return allVelopark
}
private static loadFromFile(): Feature[] {
return JSON.parse(fs.readFileSync("velopark_all.geojson", "utf-8")).features
private static loadFromFile(maxCacheAgeSeconds = 24*60*60): Feature[] | null {
const path = "velopark_all.geojson"
if(!fs.existsSync(path)){
return null
}
// Millis since epoch
const mtime : number = fs.statSync(path).mtime.getTime()
const stalenessSeconds = (new Date().getTime() - mtime) / 1000
if(stalenessSeconds > maxCacheAgeSeconds){
return null
}
return JSON.parse(fs.readFileSync(path, "utf-8")).features
}
private static exportExtraAmenities(allVelopark: Feature[]) {
@ -164,10 +182,10 @@ class VeloParkToGeojson extends Script {
}
async main(args: string[]): Promise<void> {
const allVelopark = VeloParkToGeojson.loadFromFile() // VeloParkToGeojson.downloadData()
async main(): Promise<void> {
const allVelopark =VeloParkToGeojson.loadFromFile() ?? await VeloParkToGeojson.downloadData()
console.log("Got", allVelopark.length, " items")
// VeloParkToGeojson.exportExtraAmenities(allVelopark)
VeloParkToGeojson.exportExtraAmenities(allVelopark)
await VeloParkToGeojson.createDiff(allVelopark)
console.log("Use vite-node script/velopark/compare to compare the results and generate a diff file")
}