90 lines
2 KiB
Go
90 lines
2 KiB
Go
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package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"time"
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)
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const AWL_URL string = "https://buergerportal.awl-neuss.de/api/v1/calendar"
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func GetStreetNumbers() (map[string]int, error) {
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url := AWL_URL + "/townarea-streets"
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response, err := http.Get(url)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, err
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}
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var streets []struct {
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Number int `json:"strasseNummer"`
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Name string `json:"strasseBezeichnung"`
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}
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err = json.Unmarshal(content, &streets)
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if err != nil {
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return nil, err
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}
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nameToNumber := make(map[string]int, len(streets))
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for _, street := range streets {
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name := strings.ToLower(street.Name)
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name = strings.Replace(name, " ", "-", -1)
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name = strings.Replace(name, "--", "-", -1)
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nameToNumber[name] = street.Number
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}
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return nameToNumber, nil
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}
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func AwlTomorrow(street, home int) ([]string, error) {
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startDate := time.Now().AddDate(0, 0, 1)
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startDateFmt := startDate.Format("Jan 02 2006")
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requestUrl := fmt.Sprintf(AWL_URL + "?startMonth=%s&streetNum=%d&homeNumber=%d", url.QueryEscape(startDateFmt), street, home)
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response, err := http.Get(requestUrl)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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content, err := io.ReadAll(response.Body)
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if err != nil {
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return nil, err
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}
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var jsonBody map[string]map[string][]string
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err = json.Unmarshal(content, &jsonBody)
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if err != nil {
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return nil, fmt.Errorf("could not parse json:\n%s\n%s", err.Error(), content)
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}
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if len(jsonBody) != 1 {
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return nil, fmt.Errorf("unexpected awl response:\n%s", string(content))
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}
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currentMonth := fmt.Sprintf("%d-%d", startDate.Month()-1, startDate.Year())
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currentDay := startDate.Format("2")
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month, ok := jsonBody[currentMonth]
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if !ok {
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return nil, fmt.Errorf("could not access month (%s):\n%s", currentMonth, string(content))
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}
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day, ok := month[currentDay]
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if !ok {
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return nil, fmt.Errorf("could not access day (%s):\n%s", currentDay, string(content))
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}
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return day, nil
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}
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