From de9257ba6591c2022b560f7027e83547fe74f8a5 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Tue, 7 Sep 2021 15:44:44 +0200
Subject: Added navitia code to fetch train stops names

---
 pkg/navitia_api_client/train_stops.go | 70 +++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 pkg/navitia_api_client/train_stops.go

(limited to 'pkg/navitia_api_client/train_stops.go')

diff --git a/pkg/navitia_api_client/train_stops.go b/pkg/navitia_api_client/train_stops.go
new file mode 100644
index 0000000..c8a8ff2
--- /dev/null
+++ b/pkg/navitia_api_client/train_stops.go
@@ -0,0 +1,70 @@
+package navitia_api_client
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+
+	"git.adyxax.org/adyxax/trains/pkg/model"
+)
+
+type TrainStopsResponse struct {
+	Pagination struct {
+		StartPage    int `json:"start_page"`
+		ItemsOnPage  int `json:"items_on_page"`
+		ItemsPerPage int `json:"items_per_page"`
+		TotalResult  int `json:"total_result"`
+	} `json:"pagination"`
+	StopAreas []struct {
+		Name                 string        `json:"name"`
+		ID                   string        `json:"id"`
+		Codes                []interface{} `json:"codes"`
+		Links                []interface{} `json:"links"`
+		Coord                interface{}   `json:"coord"`
+		Label                interface{}   `json:"label"`
+		Timezone             interface{}   `json:"timezone"`
+		AdministrativeRegion interface{}   `json:"administrative_regions"`
+	} `json:"stop_areas"`
+	Links          []interface{} `json:"links"`
+	Disruptions    []interface{} `json:"disruptions"`
+	FeedPublishers []interface{} `json:"feed_publishers"`
+	Context        interface{}   `json:"context"`
+}
+
+func (c *NavitiaClient) GetTrainStops() (trainStops []model.TrainStop, err error) {
+	return getTrainStopsPage(c, 0)
+}
+
+func getTrainStopsPage(c *NavitiaClient, i int) (trainStops []model.TrainStop, err error) {
+	request := fmt.Sprintf("%s/coverage/sncf/stop_areas?count=1000&start_page=%d", c.baseURL, i)
+	req, err := http.NewRequest("GET", request, nil)
+	if err != nil {
+		return nil, newHttpClientError("http.NewRequest error", err)
+	}
+	resp, err := c.httpClient.Do(req)
+	if err != nil {
+		return nil, newHttpClientError("httpClient.Do error", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusOK {
+		var data TrainStopsResponse
+		if err = json.NewDecoder(resp.Body).Decode(&data); err != nil {
+			return nil, newJsonDecodeError("GetTrainStops ", err)
+		}
+		for i := 0; i < len(data.StopAreas); i++ {
+			trainStops = append(trainStops, model.TrainStop{data.StopAreas[i].ID, data.StopAreas[i].Name})
+		}
+		if data.Pagination.ItemsOnPage+data.Pagination.ItemsPerPage*data.Pagination.StartPage < data.Pagination.TotalResult {
+			log.Printf("pagination %d\n", i)
+			tss, err := getTrainStopsPage(c, i+1)
+			if err != nil {
+				return nil, err
+			}
+			trainStops = append(trainStops, tss...)
+		}
+	} else {
+		err = newApiError(resp.StatusCode, "GetTrainStops")
+	}
+	return
+}
-- 
cgit v1.2.3