Added project
This commit is contained in:
commit
8a13989ba3
10186
cache.json
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10186
cache.json
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File diff suppressed because it is too large
Load Diff
22
favourites.json
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22
favourites.json
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[
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{
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"name": "Държавна печатница",
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"code": "0555",
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"id": "505"
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},
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{
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"name": "Метростанция \"Цариградско шосе\"",
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"code": "1016",
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"id": "916"
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},
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{
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"name": "Комплекс на БАН",
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"code": "0084",
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"id": "80"
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},
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{
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"name": "УМБАЛ Св. Анна",
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"code": "1196",
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"id": "1079"
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}
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]
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3
go.mod
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3
go.mod
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module git.internedko.net/nedko/sofiatraffic
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go 1.22.1
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28
index.html
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28
index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>SofiaTraffic EZ Table</title>
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</head>
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<body>
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<h1 style="text-align: center;">
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SofiaTraffic EZ Table
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</h1>
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<form style="text-align: center;">
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<input type="text" name="find" style="width: 20em; height: 2em;"/>
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<input type="submit" value="Find" style="width: 10em; height: 2em;"/>
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</form>
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<table style="margin-left: auto; margin-right: auto;">
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{{ range .Favourites }}
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<tr style="height: 2em; vertical-align: center;">
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<td style="width: 30em; text-align: center;">
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<a href="/{{ .ID }}">
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{{ .Name }} ({{ .Code }})
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</a>
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</td>
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</tr>
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{{ end }}
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</table>
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</body>
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</html>
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251
main.go
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251
main.go
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package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"html/template"
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"io"
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"log"
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"net/http"
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"os"
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"sort"
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"strconv"
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"strings"
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)
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var stopIDs map[int] int;
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type Favourite struct {
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Name string `json:"name"`
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Code string `json:"code"`
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ID string `json:"id"`
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}
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type CarFlags struct {
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Disabled bool `json:"disabled"`
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AirConditioner bool `json:"klimatik"`
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BicycleRack bool `json:"bicycle_rack"`
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DoubleDecker bool `json:"doubledecker"`
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ByTimeTable bool `json:"by_timetable"`
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}
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type Car struct {
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DepartureTime string `json:"departure_time"`
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Flags CarFlags `json:"flags"`
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Destination int `json:"destination"`
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CourseID int `json:"course_id"`
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DestinationName string `json:"destination_name"`
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CalculatedTime string `json:"calc_time"`
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DirectionFlag int `json:"direction_flag"`
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TTCourseStopID int `json:"ttcoursestop_id"`
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}
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type Line struct {
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Transport string `json:"transport"`
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ID int `json:"id"`
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Name string `json:"name"`
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Cars []Car `json:"cars"`
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Color string
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}
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type VirtualPanelData struct {
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ID int `json:"id"`
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Lines []Line `json:"lines"`
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}
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type SofiaTraffic struct {
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Data VirtualPanelData `json:"virtual_panel_data"`
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}
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type OutputData struct {
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ID string
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Lines []Line
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}
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type CacheData struct {
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TargetID int `json:"target_id"`
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DataID int `json:"data_id"`
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}
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func lessLine(left Line, right Line) bool {
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val := strings.Compare(left.Transport, right.Transport)
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if val != 0 {
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return val < 0
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} else {
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l, lerr := strconv.Atoi(left.Name)
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r, rerr := strconv.Atoi(right.Name)
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switch {
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case lerr == nil && rerr == nil:
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return l < r
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case lerr == nil && rerr != nil:
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return true
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case lerr != nil && rerr == nil:
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return false
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case lerr != nil && rerr != nil:
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val = strings.Compare(left.Name, right.Name)
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return val < 0
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}
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}
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return true
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}
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func handle(resp http.ResponseWriter, req *http.Request) {
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id := strings.TrimPrefix(req.URL.Path, "/")
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find_id := req.URL.Query().Get("find")
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if len(find_id) != 0 {
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find_int, err := strconv.Atoi(find_id)
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if err != nil {
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log.Println(err)
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show500(resp)
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return
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}
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target_id := stopIDs[find_int]
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http.Redirect(resp, req, fmt.Sprintf("/%d", target_id), http.StatusFound)
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} else if len(id) == 0 {
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showFavourites(resp)
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} else {
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showTable(resp, id)
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}
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}
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func show500(resp http.ResponseWriter) {
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resp.WriteHeader(http.StatusInternalServerError)
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fmt.Fprintf(resp, "<h1 style=\"text-align:center;\">500 Internal Server Error</h1>")
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}
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func setLineColor(line *Line) {
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switch {
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case line.Transport == "A":
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line.Color = "FF0000"
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case line.Transport == "ТБ":
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line.Color = "0000FF"
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case line.Transport == "ТМ":
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line.Color = "FF8000"
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}
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}
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func getSofiaTrafficData(id string) (SofiaTraffic, error) {
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var data SofiaTraffic
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url := fmt.Sprintf("https://www.sofiatraffic.bg/interactivecard/virtual_panel?stop_id=%s", id)
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respAPI, err := http.Get(url)
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if err != nil {
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log.Println(err)
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return data, errors.New("get failed")
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}
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if respAPI.StatusCode != 200 {
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log.Printf("Status code for ID %v is %v", id, respAPI.StatusCode)
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return data, errors.New("bad status code")
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}
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if respAPI.Body != nil {
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defer respAPI.Body.Close()
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}
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body, err := io.ReadAll(respAPI.Body)
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if err != nil {
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log.Println(err)
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return data, errors.New("failed to read body")
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}
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err = json.Unmarshal(body, &data)
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if err != nil {
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log.Println(err)
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return data, errors.New("failed to unmarshal json")
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}
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return data, nil
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}
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func showTable(resp http.ResponseWriter, id string) {
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data, err := getSofiaTrafficData(id)
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if err != nil {
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show500(resp)
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return
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}
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// Sort Lines
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sort.Slice(data.Data.Lines, func (i int, j int) bool {
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return lessLine(data.Data.Lines[i], data.Data.Lines[j])
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})
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// Set Line Colors
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for idx := range(data.Data.Lines) {
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setLineColor(&(data.Data.Lines[idx]))
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}
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var dataOut OutputData
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dataOut.ID = fmt.Sprintf("%04d", data.Data.ID)
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dataOut.Lines = data.Data.Lines
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templ := template.Must(template.ParseFiles("stop.html"))
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templ.Execute(resp, dataOut)
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}
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func readFavourites() []Favourite {
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var favourites []Favourite
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jsonFile, err := os.Open("favourites.json")
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if err != nil {
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log.Println(err)
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return favourites
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}
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defer jsonFile.Close()
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bytes, err := io.ReadAll(jsonFile)
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if err != nil {
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log.Println(err)
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return favourites
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}
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err = json.Unmarshal(bytes, &favourites)
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if err != nil {
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log.Println(err)
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}
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return favourites
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}
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func showFavourites(resp http.ResponseWriter) {
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// Read And Parse JSON
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favourites := readFavourites()
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data := make(map[string] []Favourite)
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data["Favourites"] = favourites
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// Read And Execute Template
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templ := template.Must(template.ParseFiles("index.html"))
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templ.Execute(resp, data)
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}
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func loadIDs() {
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stopIDs = make(map[int]int)
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var cache []CacheData
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jsonFile, err := os.Open("cache.json")
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if err != nil {
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log.Println(err)
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return
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}
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defer jsonFile.Close()
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bytes, err := io.ReadAll(jsonFile)
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if err != nil {
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log.Println(err)
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return
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}
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err = json.Unmarshal(bytes, &cache)
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if err != nil {
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log.Println(err)
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return
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}
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for _, val := range(cache) {
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stopIDs[val.TargetID] = val.DataID
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}
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}
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func main() {
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loadIDs()
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http.HandleFunc("/", handle)
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log.Println("Server Running")
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http.ListenAndServe(":8000", nil)
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}
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48
stop.html
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48
stop.html
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@ -0,0 +1,48 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<title>SofiaTraffic EZ Table</title>
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</head>
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<body>
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<table style="margin-left: auto; margin-right: auto; text-align: center;">
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<tr>
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<td>
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<a href="/" style="display:block">
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Back
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</a>
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</td>
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<td colspan="2">
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{{ .ID }}
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</td>
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</tr>
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{{ range .Lines }}
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<tr>
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<td style="background-color: #{{ .Color }}; color: #FFFFFF;">
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<div style="width: 2em; display: inline-block; margin: 0 0 0 0; padding: 0 0 0 0;">
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{{ .Transport }}
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</div><div style="width: 3em; display: inline-block; margin: 0 0 0 0; padding: 0 0 0 0;">
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{{ .Name }}
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</div>
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</td>
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{{ range .Cars }}
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<td>
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<div style="width: 1em; display: inline-block; margin: 0 0 0 0; padding: 0 0 0 0;">
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{{ if .Flags.AirConditioner }}
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<svg stroke="#2c54a4" fill="#2c54a4" stroke-width="0" viewBox="0 0 448 512" class="icon" style="vertical-align: baseline; margin-left: 0px;" height="1em" width="1em" xmlns="http://www.w3.org/2000/svg">
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<path d="M440.3 345.2l-33.8-19.5 26-7c8.2-2.2 13.1-10.7 10.9-18.9l-4-14.9c-2.2-8.2-10.7-13.1-18.9-10.9l-70.8 19-63.9-37 63.8-36.9 70.8 19c8.2 2.2 16.7-2.7 18.9-10.9l4-14.9c2.2-8.2-2.7-16.7-10.9-18.9l-26-7 33.8-19.5c7.4-4.3 9.9-13.7 5.7-21.1L430.4 119c-4.3-7.4-13.7-9.9-21.1-5.7l-33.8 19.5 7-26c2.2-8.2-2.7-16.7-10.9-18.9l-14.9-4c-8.2-2.2-16.7 2.7-18.9 10.9l-19 70.8-62.8 36.2v-77.5l53.7-53.7c6.2-6.2 6.2-16.4 0-22.6l-11.3-11.3c-6.2-6.2-16.4-6.2-22.6 0L256 56.4V16c0-8.8-7.2-16-16-16h-32c-8.8 0-16 7.2-16 16v40.4l-19.7-19.7c-6.2-6.2-16.4-6.2-22.6 0L138.3 48c-6.3 6.2-6.3 16.4 0 22.6l53.7 53.7v77.5l-62.8-36.2-19-70.8c-2.2-8.2-10.7-13.1-18.9-10.9l-14.9 4c-8.2 2.2-13.1 10.7-10.9 18.9l7 26-33.8-19.5c-7.4-4.3-16.8-1.7-21.1 5.7L2.1 145.7c-4.3 7.4-1.7 16.8 5.7 21.1l33.8 19.5-26 7c-8.3 2.2-13.2 10.7-11 19l4 14.9c2.2 8.2 10.7 13.1 18.9 10.9l70.8-19 63.8 36.9-63.8 36.9-70.8-19c-8.2-2.2-16.7 2.7-18.9 10.9l-4 14.9c-2.2 8.2 2.7 16.7 10.9 18.9l26 7-33.8 19.6c-7.4 4.3-9.9 13.7-5.7 21.1l15.5 26.8c4.3 7.4 13.7 9.9 21.1 5.7l33.8-19.5-7 26c-2.2 8.2 2.7 16.7 10.9 18.9l14.9 4c8.2 2.2 16.7-2.7 18.9-10.9l19-70.8 62.8-36.2v77.5l-53.7 53.7c-6.3 6.2-6.3 16.4 0 22.6l11.3 11.3c6.2 6.2 16.4 6.2 22.6 0l19.7-19.7V496c0 8.8 7.2 16 16 16h32c8.8 0 16-7.2 16-16v-40.4l19.7 19.7c6.2 6.2 16.4 6.2 22.6 0l11.3-11.3c6.2-6.2 6.2-16.4 0-22.6L256 387.7v-77.5l62.8 36.2 19 70.8c2.2 8.2 10.7 13.1 18.9 10.9l14.9-4c8.2-2.2 13.1-10.7 10.9-18.9l-7-26 33.8 19.5c7.4 4.3 16.8 1.7 21.1-5.7l15.5-26.8c4.3-7.3 1.8-16.8-5.6-21z">
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</path>
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</svg>
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{{ end }}
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</div><div style="width: 4em; display: inline-block; margin: 0 0 0 0; padding: 0 0 0 0;">
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{{ .DepartureTime }}
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</span>
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</td>
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{{ end }}
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</tr>
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{{ end }}
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</table>
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</body>
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</html>
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