mirror of https://github.com/jlelse/GoBlog
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package main
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import (
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"bytes"
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"context"
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"embed"
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"fmt"
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"strings"
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gogeouri "git.jlel.se/jlelse/go-geouri"
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"github.com/carlmjohnson/requests"
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geojson "github.com/paulmach/go.geojson"
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"github.com/thoas/go-funk"
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)
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func (a *goBlog) geoTitle(g *gogeouri.Geo, lang string) string {
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if name, ok := g.Parameters["name"]; ok && len(name) > 0 && name[0] != "" {
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return name[0]
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}
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ba, err := a.photonReverse(g.Latitude, g.Longitude, lang)
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if err != nil {
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return ""
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}
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fc, err := geojson.UnmarshalFeatureCollection(ba)
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if err != nil || len(fc.Features) < 1 {
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return ""
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}
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f := fc.Features[0]
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name := f.PropertyMustString("name", "")
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city := f.PropertyMustString("city", "")
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state := f.PropertyMustString("state", "")
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country := f.PropertyMustString("country", "")
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return strings.Join(funk.FilterString([]string{name, city, state, country}, func(s string) bool { return s != "" }), ", ")
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}
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func (a *goBlog) photonReverse(lat, lon float64, lang string) ([]byte, error) {
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cacheKey := fmt.Sprintf("photon-%v-%v-%v", lat, lon, lang)
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cache, _ := a.db.retrievePersistentCache(cacheKey)
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if cache != nil {
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return cache, nil
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}
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var buf bytes.Buffer
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rb := requests.URL("https://photon.komoot.io/reverse").Client(a.httpClient).UserAgent(appUserAgent).ToBytesBuffer(&buf)
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rb.Param("lat", fmt.Sprintf("%v", lat)).Param("lon", fmt.Sprintf("%v", lon))
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if lang == "de" || lang == "fr" || lang == "it" {
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rb.Param("lang", lang)
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} else {
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rb.Param("lang", "en")
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}
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if err := rb.Fetch(context.Background()); err != nil {
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return nil, err
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}
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_ = a.db.cachePersistently(cacheKey, buf.Bytes())
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return buf.Bytes(), nil
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}
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func geoOSMLink(g *gogeouri.Geo) string {
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return fmt.Sprintf("https://www.openstreetmap.org/?mlat=%v&mlon=%v", g.Latitude, g.Longitude)
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}
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//go:embed leaflet/*
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var leafletFiles embed.FS
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