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Added new French API Gouv geo provider (codingsince1985#56)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 1,117 @@ | ||
| // Package frenchapigouv is a geo-golang based French API Gouv geocode/reverse geocode client | ||
| package frenchapigouv | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "github.com/codingsince1985/geo-golang" | ||
| ) | ||
|
|
||
| type ( | ||
| baseURL string | ||
| geocodeResponse struct { | ||
| Type string | ||
| Version string | ||
| Features []struct { | ||
| Type string | ||
| Geometry struct { | ||
| Type string | ||
| Coordinates []float64 | ||
| } | ||
| Properties struct { | ||
| Label string | ||
| Score float64 | ||
| Housenumber string | ||
| Citycode string | ||
| Context string | ||
| Postcode string | ||
| Name string | ||
| ID string | ||
| Y float64 | ||
| Importance float64 | ||
| Type string | ||
| City string | ||
| X float64 | ||
| Street string | ||
| } | ||
| } | ||
| Attribution string | ||
| Licence string | ||
| Query string | ||
| Limit int | ||
| } | ||
| context struct { | ||
| state string | ||
| county string | ||
| countyCode string | ||
| } | ||
| ) | ||
|
|
||
| // Geocoder constructs FrenchApiGouv geocoder | ||
| func Geocoder() geo.Geocoder { return GeocoderWithURL("https://api-adresse.data.gouv.fr/") } | ||
|
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| // GeocoderWithURL constructs French API Gouv geocoder using a custom installation of Nominatim | ||
| func GeocoderWithURL(url string) geo.Geocoder { | ||
| return geo.HTTPGeocoder{ | ||
| EndpointBuilder: baseURL(url), | ||
| ResponseParserFactory: func() geo.ResponseParser { return &geocodeResponse{} }, | ||
| } | ||
| } | ||
|
|
||
| func (b baseURL) GeocodeURL(address string) string { | ||
| return string(b) "search?limit=1&q=" address | ||
| } | ||
|
|
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| func (b baseURL) ReverseGeocodeURL(l geo.Location) string { | ||
| return string(b) "reverse?" fmt.Sprintf("lat=%f&lon=%f", l.Lat, l.Lng) | ||
| } | ||
|
|
||
| func (r *geocodeResponse) Location() (*geo.Location, error) { | ||
| if len(r.Features) == 0 || len(r.Features[0].Geometry.Coordinates) < 2 { | ||
| return nil, nil | ||
| } | ||
| p := r.Features[0].Geometry.Coordinates | ||
| return &geo.Location{ | ||
| Lat: p[1], | ||
| Lng: p[0], | ||
| }, nil | ||
| } | ||
|
|
||
| func (r *geocodeResponse) Address() (*geo.Address, error) { | ||
| if len(r.Features) == 0 || r.Features[0].Properties.Label == "baninfo" { | ||
| return nil, nil | ||
| } | ||
| p := r.Features[0].Properties | ||
| c := r.parseContext() | ||
| return &geo.Address{ | ||
| FormattedAddress: strings.Join(strings.Fields(strings.TrimSpace(fmt.Sprintf("%s, %s, %s, %s, %s, %s, %s", p.Housenumber, p.Street, p.Postcode, p.City, c.county, c.state, "France"))), " "), | ||
| HouseNumber: p.Housenumber, | ||
| Street: p.Street, | ||
| Postcode: p.Postcode, | ||
| City: p.City, | ||
| State: c.state, | ||
| County: c.county, | ||
| Country: "France", | ||
| CountryCode: "FRA", | ||
| }, nil | ||
| } | ||
|
|
||
| func (r *geocodeResponse) parseContext() *context { | ||
| var c context | ||
| if len(r.Features) > 0 { | ||
| p := r.Features[0].Properties | ||
| f := strings.Split(p.Context, ",") | ||
| for i := range f { | ||
| switch i { | ||
| case 0: | ||
| c.countyCode = f[i] | ||
| case 1: | ||
| c.county = f[i] | ||
| case 2: | ||
| c.state = f[i] | ||
| } | ||
| } | ||
| } | ||
| return &c | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 1,136 @@ | ||
| package frenchapigouv_test | ||
|
|
||
| import ( | ||
| "strings" | ||
| "testing" | ||
|
|
||
| "net/http" | ||
| "net/http/httptest" | ||
|
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| "github.com/codingsince1985/geo-golang" | ||
| "github.com/codingsince1985/geo-golang/frenchapigouv" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestGeocode(t *testing.T) { | ||
| ts := testServer(response1) | ||
| defer ts.Close() | ||
|
|
||
| geocoder := frenchapigouv.GeocoderWithURL(ts.URL "/") | ||
| location, err := geocoder.Geocode("Champ de Mars, 5 Avenue Anatole France, 75007 Paris") | ||
| assert.Nil(t, err) | ||
| assert.Equal(t, geo.Location{Lat: 48.859831, Lng: 2.328123}, *location) | ||
| } | ||
|
|
||
| func TestGeocodeWithNoResult(t *testing.T) { | ||
| ts := testServer(response2) | ||
| defer ts.Close() | ||
|
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||
| geocoder := frenchapigouv.GeocoderWithURL(ts.URL "/") | ||
| location, err := geocoder.Geocode("nowhere") | ||
| assert.Nil(t, err) | ||
| assert.Nil(t, location) | ||
| } | ||
|
|
||
| func TestReverseGeocode(t *testing.T) { | ||
| ts := testServer(response1) | ||
| defer ts.Close() | ||
|
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| geocoder := frenchapigouv.GeocoderWithURL(ts.URL "/") | ||
| address, err := geocoder.ReverseGeocode(48.859831, 2.328123) | ||
| assert.Nil(t, err) | ||
| assert.True(t, strings.HasPrefix(address.FormattedAddress, "5, Quai Anatole France,")) | ||
| } | ||
|
|
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| func TestReverseGeocodeWithNoResult(t *testing.T) { | ||
| ts := testServer(response2) | ||
| defer ts.Close() | ||
|
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| geocoder := frenchapigouv.GeocoderWithURL(ts.URL "/") | ||
| addr, err := geocoder.ReverseGeocode(0, 0.34) | ||
| assert.Nil(t, addr) | ||
| assert.Nil(t, err) | ||
| } | ||
|
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||
| func TestReverseGeocodeWithNoResultByDefaultPoints(t *testing.T) { | ||
| ts := testServer(response3) | ||
| defer ts.Close() | ||
|
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| geocoder := frenchapigouv.GeocoderWithURL(ts.URL "/") | ||
| addr, err := geocoder.ReverseGeocode(0, 0) | ||
| assert.Nil(t, addr) | ||
| assert.Nil(t, err) | ||
| } | ||
|
|
||
| func testServer(response string) *httptest.Server { | ||
| return httptest.NewServer(http.HandlerFunc(func(resp http.ResponseWriter, req *http.Request) { | ||
| resp.Write([]byte(response)) | ||
| })) | ||
| } | ||
|
|
||
| const ( | ||
| response1 = `[ | ||
| { | ||
| "type": "FeatureCollection", | ||
| "version": "draft", | ||
| "features": [{ | ||
| "type": "Feature", | ||
| "geometry": { | ||
| "type": "Point", | ||
| "coordinates": [2.328123, 48.859831] | ||
| }, | ||
| "properties": { | ||
| "label": "5 Quai Anatole France 75007 Paris", | ||
| "score": 0.4882581475128644, | ||
| "housenumber": "5", | ||
| "citycode": "75107", | ||
| "context": "75, Paris, Île-de-France", | ||
| "postcode": "75007", | ||
| "name": "5 Quai Anatole France", | ||
| "id": "ADRNIVX_0000000270768224", | ||
| "y": 6862409.3, | ||
| "importance": 0.2765, | ||
| "type": "housenumber", | ||
| "city": "Paris", | ||
| "x": 650705.5, | ||
| "street": "Quai Anatole France" | ||
| } | ||
| }], | ||
| "attribution": "BAN", | ||
| "licence": "ODbL 1.0", | ||
| "query": "Champ de Mars, 5 Avenue Anatole France, 75007 Paris", | ||
| "limit": 10 | ||
| } | ||
| ]` | ||
| response2 = `{ | ||
| "type": "FeatureCollection", | ||
| "version": "draft", | ||
| "features": [], | ||
| "attribution": "BAN", | ||
| "licence": "ODbL 1.0", | ||
| "limit": 1 | ||
| }` | ||
| response3 = `{ | ||
| "type": "FeatureCollection", | ||
| "version": "draft", | ||
| "features": [{ | ||
| "type": "Feature", | ||
| "geometry": { | ||
| "type": "Point", | ||
| "coordinates": [0.0, 0.0] | ||
| }, | ||
| "properties": { | ||
| "label": "baninfo", | ||
| "score": 1.0, | ||
| "name": "baninfo", | ||
| "id": "db", | ||
| "type": "info", | ||
| "context": "20181125T223127", | ||
| "distance": 0 | ||
| } | ||
| }], | ||
| "attribution": "BAN", | ||
| "licence": "ODbL 1.0", | ||
| "limit": 1 | ||
| }` | ||
| ) |