From 1f31b361814e241f812bfcdc79c089d5c72b3e1e Mon Sep 17 00:00:00 2001 From: Arnaud Delcasse Date: Wed, 29 Mar 2023 12:51:49 +0200 Subject: [PATCH] Initial commit --- README.md | 11 +++++++++ geocode.go | 20 +++++++++++++++ go.mod | 7 ++++++ go.sum | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ pelias.go | 41 +++++++++++++++++++++++++++++++ 5 files changed, 151 insertions(+) create mode 100644 README.md create mode 100644 geocode.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 pelias.go diff --git a/README.md b/README.md new file mode 100644 index 0000000..7b6e5c8 --- /dev/null +++ b/README.md @@ -0,0 +1,11 @@ +# 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 diff --git a/geocode.go b/geocode.go new file mode 100644 index 0000000..06a536c --- /dev/null +++ b/geocode.go @@ -0,0 +1,20 @@ +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) +} diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..101dc70 --- /dev/null +++ b/go.mod @@ -0,0 +1,7 @@ +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 diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..2c91dc2 --- /dev/null +++ b/go.sum @@ -0,0 +1,72 @@ +github.com/davecgh/go-spew v1.1.0/go.mod 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h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/pelias.go b/pelias.go new file mode 100644 index 0000000..c674879 --- /dev/null +++ b/pelias.go @@ -0,0 +1,41 @@ +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 +}