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fetch_streets.go
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/
fetch_streets.go
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package main
import (
"flag"
"log"
"os"
"path/filepath"
"sync"
"github.com/attilaolah/cad-rs/scrapers"
)
var (
mID = flag.Int("municipality_id",
80438, "Municipality ID to fetch streets for.")
dst = flag.String("output_dir",
filepath.Join(os.Getenv("BUILD_WORKSPACE_DIRECTORY"), "dist"),
"Output directory for scraped street data.")
cache = flag.String("cache_dir",
filepath.Join(os.Getenv("BUILD_WORKSPACE_DIRECTORY"), "dist", "street_search"),
"Output directory for caching temporary scraped street search data.")
)
func main() {
flag.Parse()
m := int64(*mID)
ss, errs := scrapers.ScrapeStreets(*cache, m)
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
for sr := range ss {
if err := sr.Save(*cache, int64(*mID)); err != nil {
log.Printf("error saving results to cache: %v", err)
}
}
}()
ok := true
for err := range errs {
log.Println(err)
ok = false
}
wg.Wait()
if !ok {
os.Exit(1)
}
set, err := scrapers.MergeStreets(*cache, m)
if err != nil {
log.Fatalf("error merging scraped streets: %v", err)
}
if err := scrapers.SaveSettlements(set, *dst, m); err != nil {
log.Fatalf("error saving scraped streets: %v", err)
}
}