Simple blogging system written in Go
https://goblog.app
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.0 KiB
76 lines
2.0 KiB
package main
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import (
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"embed"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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gogeouri "git.jlel.se/jlelse/go-geouri"
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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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uv := url.Values{}
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uv.Set("lat", fmt.Sprintf("%v", lat))
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uv.Set("lon", fmt.Sprintf("%v", lon))
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if lang == "de" || lang == "fr" || lang == "it" {
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uv.Set("lang", lang)
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} else {
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uv.Set("lang", "en")
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}
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req, err := http.NewRequest(http.MethodGet, "https://photon.komoot.io/reverse?"+uv.Encode(), nil)
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if err != nil {
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return nil, err
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}
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req.Header.Set(userAgent, appUserAgent)
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resp, err := a.httpClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("response status code: %v", resp.StatusCode)
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}
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ba, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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_ = a.db.cachePersistently(cacheKey, ba)
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return ba, 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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