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package xlsx
import (
"fmt"
"os"
"strings"
"sync"
"airlines/pkg/airports"
"airlines/pkg/model"
"github.com/schollz/progressbar/v3"
"github.com/xuri/excelize/v2"
)
func UnmarshallXlsxFile(fname string) ([]Ticket, error) {
var err error
f, err := excelize.OpenFile(fname)
if err != nil {
return nil, err
}
defer func() {
if err = f.Close(); err != nil {
fmt.Println(err)
}
}()
get := func(sheet, cell string) (string, error) {
v, err := f.GetCellValue(sheet, cell)
if err != nil {
return "", fmt.Errorf("%s %s: %w", sheet, cell, err)
}
v = strings.Trim(v, " `'\"")
return v, nil
}
sheetMap := f.GetSheetMap()
tickets := make([]Ticket, 0, len(sheetMap))
for _, sheet := range sheetMap {
t := Ticket{}
t.Sheet = sheet
t.Passenger, err = get(sheet, "B3")
if err != nil {
return nil, err
}
t.Title, err = get(sheet, "A3")
if err != nil {
return nil, err
}
t.FlightNumber, err = get(sheet, "A5")
if err != nil {
return nil, err
}
t.FromCity, err = get(sheet, "D5")
if err != nil {
return nil, err
}
t.ToCity, err = get(sheet, "H5")
if err != nil {
return nil, err
}
t.FromAirport, err = get(sheet, "D7")
if err != nil {
return nil, err
}
t.ToAirport, err = get(sheet, "H7")
if err != nil {
return nil, err
}
t.FlightDate, err = get(sheet, "A9")
if err != nil {
return nil, err
}
t.FlightTime, err = get(sheet, "C9")
if err != nil {
return nil, err
}
t.PNR, err = get(sheet, "B13")
if err != nil {
return nil, err
}
t.Card, err = get(sheet, "F3")
if err != nil {
return nil, err
}
t.TicketNumber, err = get(sheet, "E13")
if err != nil {
return nil, err
}
ap, _ := airports.LookupIATA(t.FromAirport)
t.FromCountry = ap.Country
t.FromCoords.Lat = ap.Latitude
t.FromCoords.Long = ap.Longitude
ap, _ = airports.LookupIATA(t.ToAirport)
t.ToCountry = ap.Country
t.ToCoords.Lat = ap.Latitude
t.ToCoords.Long = ap.Longitude
tickets = append(tickets, t)
}
return tickets, nil
}
func UnmarshallXlsxFiles(baseDir string) ([]Ticket, error) {
tickets := make([]Ticket, 0)
items, err := os.ReadDir(baseDir)
if err != nil {
panic(err)
}
bar := progressbar.Default(int64(len(items)), "unmarshalling xlsx")
var mu sync.Mutex
var wg sync.WaitGroup
sem := make(chan struct{}, 8)
for _, item := range items {
if !item.IsDir() {
wg.Add(1)
sem <- struct{}{}
go func(name string) {
defer func() { <-sem }()
defer wg.Done()
// fmt.Println("Processing file:", name)
parsedTickets, err := UnmarshallXlsxFile(baseDir + name)
if err != nil {
panic(err)
}
mu.Lock()
defer mu.Unlock()
tickets = append(tickets, parsedTickets...)
bar.Add(1)
}(item.Name())
}
}
wg.Wait()
return tickets, nil
}
func DumpToDb(store model.Store, tickets []Ticket) {
var err error
bar := progressbar.Default(int64(len(tickets)), "dumping xlsx")
for _, ticket := range tickets {
bar.Add(1)
dbUser, _ := ticket.ToUser()
dbUser, err = store.SaveUser(dbUser)
if err != nil {
panic(err)
}
dbCard, err := ticket.ToCard()
if err != nil {
goto processflight
}
dbCard.UserID = dbUser.ID
_, err = store.SaveCard(dbCard)
// данные говно
if err != nil {
fmt.Println(err)
}
processflight:
dbFlight, _ := ticket.ToFlight()
dbFlight.UserID = dbUser.ID
_, err = store.SaveFlight(dbFlight)
if err != nil {
fmt.Println(err)
}
}
}
|
