Initial commit

This commit is contained in:
Arnaud Delcasse 2023-03-29 12:51:49 +02:00
commit 1f31b36181
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README.md Normal file
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# COOPGO Geocode
COOPGO Geocode is a Golang Geocoder library part of the [COOPGO](https://coopgo.fr) Technical Platform.
For the moment, it supports as a backend the following geocoders :
- [Pelias](https://pelias.io)
## Licence
COOPGO Geocode is released under the terms of the AGPL version 3 licence

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geocode.go Normal file
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package geocode
import (
"fmt"
geojson "github.com/paulmach/orb/geojson"
)
type Geocoder interface {
Autocomplete(text string) (*geojson.FeatureCollection, error)
}
func NewGeocoder(geocoder_type string, baseUrl string) (Geocoder, error) {
if geocoder_type == "pelias" {
handler, _ := NewPeliasHandler(baseUrl)
return handler, nil
}
return nil, fmt.Errorf("geocoder type %s does not exist", geocoder_type)
}

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module git.coopgo.io/coopgo-platform/geocode
go 1.18
require github.com/paulmach/orb v0.9.0
require go.mongodb.org/mongo-driver v1.11.1 // indirect

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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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package geocode
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"github.com/paulmach/orb/geojson"
)
const (
PELIAS_AUTOCOMPLETE_ENDPOINT = "/v1/autocomplete"
)
type PeliasHandler struct {
BaseURL string
}
func NewPeliasHandler(baseUrl string) (PeliasHandler, error) {
return PeliasHandler{
BaseURL: baseUrl,
}, nil
}
func (h PeliasHandler) Autocomplete(text string) (*geojson.FeatureCollection, error) {
url := fmt.Sprintf("%s%s?text=%s", h.BaseURL, PELIAS_AUTOCOMPLETE_ENDPOINT, url.QueryEscape(text))
resp, err := http.Get(url)
if err != nil {
return nil, err
}
fc := geojson.NewFeatureCollection()
if err = json.NewDecoder(resp.Body).Decode(&fc); err != nil {
return nil, err
}
return fc, nil
}