m.nazemi
60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package ted
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import (
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"bytes"
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"encoding/csv"
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"fmt"
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"io"
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"net/http"
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"strings"
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)
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const (
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calendarUrl = "%s/en/release-calendar/-/download/file/CSV/%d"
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)
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// Get OJS Number
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func GetOJS(baseURL string, year int, date string, client *http.Client) (string, error) {
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var (
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ojs string
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)
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url := fmt.Sprintf(calendarUrl, baseURL, year)
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resp, err := client.Get(url)
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if err != nil {
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return ojs, err
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}
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defer resp.Body.Close()
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// read CSV
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return ojs, err
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}
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reader := csv.NewReader(bytes.NewReader(body))
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records, err := reader.ReadAll()
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if err != nil {
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return ojs, err
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}
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if len(records) < 2 {
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return ojs, fmt.Errorf("ojs calendar is empty")
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}
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for _, row := range records[1:] {
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rowDate := strings.TrimSpace(row[1])
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if rowDate == strings.TrimSpace(date) {
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// Format: YEAR + zero-padded OJS number to make total length 9 digits
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// Examples: 202500004, 202500014, 202500196
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ojs = fmt.Sprintf("%d%05s", year, strings.TrimSpace(fmt.Sprint(row[0])))
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break
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}
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}
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if ojs == "" {
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return ojs, fmt.Errorf("can not find ojs number")
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}
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return ojs, nil
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}
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