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|
package worktime
import (
"bufio"
"errors"
"fmt"
"io"
"strconv"
"strings"
"time"
"codeberg.org/snonux/timr/internal/timefmt"
)
const importSecondsPerHour = 3600
// ImportLine is a parsed report line with hourly values by category.
type ImportLine struct {
When time.Time
WorkHours float64
LunchHours float64
OffHours float64
}
// ImportReport imports report-format lines into the worktime database.
func ImportReport(dbDir, hostname string, report io.Reader) (imported int, err error) {
scanner := bufio.NewScanner(report)
for scanner.Scan() {
line := scanner.Text()
if !strings.Contains(line, "lunch:") {
continue
}
parsed, parseErr := ParseImportLine(line)
if parseErr != nil {
return imported, parseErr
}
workSeconds := hoursToSeconds(parsed.WorkHours)
lunchSeconds := hoursToSeconds(parsed.LunchHours)
offSeconds := hoursToSeconds(parsed.OffHours)
if lunchSeconds > 0 {
workSeconds += lunchSeconds
}
if workSeconds > 0 {
if _, addErr := Add(dbDir, hostname, "work", time.Duration(workSeconds)*time.Second, parsed.When, ""); addErr != nil {
return imported, addErr
}
imported++
}
if lunchSeconds > 0 {
if _, addErr := Add(dbDir, hostname, "lunch", time.Duration(lunchSeconds)*time.Second, parsed.When, ""); addErr != nil {
return imported, addErr
}
imported++
}
if offSeconds > 0 {
if _, addErr := Add(dbDir, hostname, "off", time.Duration(offSeconds)*time.Second, parsed.When, ""); addErr != nil {
return imported, addErr
}
imported++
}
}
if scanErr := scanner.Err(); scanErr != nil {
return imported, scanErr
}
return imported, nil
}
// ParseImportLine parses one report-format day line.
func ParseImportLine(line string) (ImportLine, error) {
fields := strings.Fields(line)
if len(fields) < 7 {
return ImportLine{}, fmt.Errorf("unsupported import line: %q", line)
}
dateToken := strings.TrimSuffix(fields[1], ":")
workToken := fields[2]
lunchToken := fields[4]
offToken := fields[6]
when, err := ParseImportDate(dateToken)
if err != nil {
return ImportLine{}, err
}
workHours, err := parseHourToken(workToken)
if err != nil {
return ImportLine{}, err
}
lunchHours, err := parseHourToken(lunchToken)
if err != nil {
return ImportLine{}, err
}
offHours, err := parseHourToken(offToken)
if err != nil {
return ImportLine{}, err
}
return ImportLine{
When: when,
WorkHours: workHours,
LunchHours: lunchHours,
OffHours: offHours,
}, nil
}
// ParseImportDate parses date values used by work report imports.
func ParseImportDate(token string) (time.Time, error) {
trimmed := strings.TrimSpace(token)
if trimmed == "" {
return time.Time{}, errors.New("import date is empty")
}
parsed, parseErr := timefmt.Parse(trimmed)
if parseErr == nil {
return parsed, nil
}
layouts := []string{
"02.01.2006",
"20060102",
}
for _, layout := range layouts {
if parsed, err := time.ParseInLocation(layout, trimmed, time.Local); err == nil {
return parsed, nil
}
}
return time.Time{}, fmt.Errorf("unsupported import date %q: %w", token, parseErr)
}
func parseHourToken(token string) (float64, error) {
clean := strings.TrimSpace(token)
if idx := strings.Index(clean, ":"); idx >= 0 {
clean = clean[idx+1:]
}
clean = strings.TrimSuffix(clean, "h")
value, err := strconv.ParseFloat(clean, 64)
if err != nil {
return 0, fmt.Errorf("parse hour token %q: %w", token, err)
}
return value, nil
}
func hoursToSeconds(hours float64) int64 {
return int64(hours * importSecondsPerHour)
}
|
