map-dots/traccar/positions.go

package traccar

import (
	"encoding/json"
	"io"
	"net/http"
	"net/url"
	"time"

	"git.fjla.uk/fred.boniface/map-dots/data"
	"git.fjla.uk/fred.boniface/map-dots/log"
	"go.uber.org/zap"
)

func GetPositions(id string, from, to time.Time) ([]data.LocationData, error) {
	var params = map[string]string{
		"deviceId": id,
		"from":     from.Format("2006-01-02T15:04:05Z"),
		"to":       to.Format("2006-01-02T15:04:05Z"),
	}
	req, err := createRequest(params)
	if err != nil {
		log.Msg.Error("Error creating request", zap.Error(err))
		return nil, err
	}

	client := http.Client{}
	resp, err := client.Do(req)
	if err != nil {
		log.Msg.Error("Error carring out request", zap.Error(err))
		return nil, err
	}
	defer resp.Body.Close()

	body, err := io.ReadAll(resp.Body)
	if err != nil {
		log.Msg.Error("Error reading response", zap.Error(err))
		return nil, err
	}

	var positions []Positions
	err = json.Unmarshal(body, &positions)
	if err != nil {
		log.Msg.Error("Error unmarshalling data", zap.Error(err), zap.String("body", string(body)))
		return nil, err
	}

	return MapToPositionData(positions), err
}

func createRequest(params map[string]string) (*http.Request, error) {
	cfg, err := loadConfig()
	if err != nil {
		log.Msg.Panic("Configuration value missing", zap.Error(err))
	}

	baseURL := cfg.tUrl + "/api/positions"

	log.Msg.Debug("Attemting fetch", zap.String("url", baseURL))

	u, err := url.Parse(baseURL)
	if err != nil {
		log.Msg.Error("Error building URL", zap.Error(err))
		return nil, err
	}

	queryParams := url.Values{}

	for key, value := range params {
		queryParams.Add(key, value)
	}

	u.RawQuery = queryParams.Encode()

	req, err := http.NewRequest("GET", u.String(), nil)
	if err != nil {
		log.Msg.Error("Error setting up request", zap.Error(err))
		return nil, err
	}

	req.SetBasicAuth(cfg.user, cfg.pass)

	return req, nil
}

type Attributes map[string]interface{} // Generic map to hold attributes

type Positions struct {
	ID          int64       `json:"id"`
	Attributes  Attributes  `json:"attributes"`
	DeviceID    int64       `json:"deviceId"`
	Protocol    string      `json:"protocol"`
	ServerTime  string      `json:"serverTime"`
	DeviceTime  string      `json:"deviceTime"`
	FixTime     string      `json:"fixTime"`
	Outdated    bool        `json:"outdated"`
	Valid       bool        `json:"valid"`
	Latitude    float64     `json:"latitude"`
	Longitude   float64     `json:"longitude"`
	Altitude    float64     `json:"altitude"`
	Speed       float64     `json:"speed"`
	Course      float64     `json:"course"`
	Address     string      `json:"address"`
	Accuracy    float64     `json:"accuracy"`
	Network     interface{} `json:"network"`     // Inferred as interface{} since it's not clear
	GeofenceIDs interface{} `json:"geofenceIds"` // Inferred as interface{} since it's not clear
}