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How to use Start method of csv Package

Best K6 code snippet using csv.Start

listing.go

Source:listing.go

...36	PhoneNumber int `csv:"-"`37	Adults int `csv:"-"`38	Children int `csv:"-"`39	Infants int `csv:"-"`40	StartDate Date `csv:"start_date"`41	EndDate Date `csv:"end_date"`42	Nights int `csv:"nights"`43	ConfirmationDate int `csv:"-"`44	Flat int `csv:"-"`45	Price Price `csv:"price"`46}47type Listing struct {48	Reservations []*Reservation49}50func ProcessData(filename string) (*Listing, error) {51	rawReservationFile, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, os.ModePerm)52	if err != nil {53		return nil, err54	}55	defer rawReservationFile.Close()56	var rawReservations []*Reservation57	if err := gocsv.UnmarshalFile(rawReservationFile, &rawReservations); err != nil {58		return nil, err59	}60	var reservations []*Reservation61	for _, reservation := range rawReservations {62		if reservation.Status == Confirmed {63			reservations = append(reservations, reservation)64		}65	}66	// Sort the reservations ascending by start date67	sort.Slice(reservations, func(i, j int) bool {68		return reservations[i].StartDate.Time.Before(reservations[j].StartDate.Time)69	})70	return &Listing{71		Reservations: reservations,72	}, nil73}74// From has to be strictly earlier than to75func (l *Listing) GetBookRateAndPrice(from, to time.Time) (float64, float64) {76	var bookedNightsInRange int77	var bookedNightsTotalPrice float6478	for _, reservation := range l.Reservations {79		if to.Before(reservation.StartDate.Time) || to.Equal(reservation.StartDate.Time) || from.After(reservation.EndDate.Time) || from.Equal(reservation.EndDate.Time) {80			continue81		}82		nightlyPrice := reservation.Price.float64 / float64(reservation.Nights)83		if (reservation.StartDate.Time.After(from) || reservation.StartDate.Time.Equal(from)) && (reservation.EndDate.Time.Before(to) || reservation.EndDate.Time.Equal(to)) {84			// (from to)          *****85			// (reserve start end) ***86			bookedNightsInRange += reservation.Nights87			bookedNightsTotalPrice += nightlyPrice * float64(reservation.Nights)88		} else if reservation.StartDate.Time.After(from) && reservation.EndDate.After(to) {89			// (from to)          *****90			// (reserve start end)  *****91			nights := int(to.Sub(reservation.StartDate.Time).Hours()/24)92			bookedNightsInRange += nights93			bookedNightsTotalPrice += nightlyPrice * float64(nights)94		} else if reservation.StartDate.Time.Before(from) && reservation.EndDate.Before(to) {95			// (from to)            *****96			// (reserve start end) *****97			nights := int(reservation.EndDate.Sub(from).Hours()/24)98			bookedNightsInRange += nights99			bookedNightsTotalPrice += nightlyPrice * float64(nights)100		} else if reservation.StartDate.Time.Before(from) && reservation.EndDate.After(to) {101			// (from to)            ***102			// (reserve start end) *****103			nights := int(to.Sub(from).Hours()/24)104			bookedNightsInRange += nights105			bookedNightsTotalPrice += nightlyPrice * float64(nights)106		} else if reservation.StartDate.Time.Equal(from) && reservation.EndDate.After(to) {107			// (from to)           ***108			// (reserve start end) *****109			nights := int(to.Sub(reservation.StartDate.Time).Hours()/24)110			bookedNightsInRange += nights111			bookedNightsTotalPrice += nightlyPrice * float64(nights)112		} else if reservation.StartDate.Time.Before(from) && reservation.EndDate.Equal(to) {113			// (from to)             ***114			// (reserve start end) *****115			nights := int(reservation.EndDate.Time.Sub(from).Hours()/24)116			bookedNightsInRange += nights117			bookedNightsTotalPrice += nightlyPrice * float64(nights)118		}119		fmt.Printf("%s's booking after nights %d price: %.2f\n", reservation.Name, bookedNightsInRange, bookedNightsTotalPrice)120	}121	return float64(bookedNightsInRange) / (to.Sub(from).Hours()/24), bookedNightsTotalPrice122}...

base_csv_upload.go

Source:base_csv_upload.go

1package pkg2import (3	"strings"4	"time"5	"github.com/divoc/portal-api/pkg/db"6	"github.com/divoc/portal-api/pkg/utils"7	"github.com/divoc/portal-api/swagger_gen/models"8	log "github.com/sirupsen/logrus"9)10type CSVMetadata struct {11	Data     *Scanner12	Columns  []string13	FileName string14	UserName string15}16type BaseCSV interface {17	ValidateHeaders() *models.Error18	CreateCsvUploadHistory() *db.CSVUploads19	ValidateRow() []string20	ProcessRow(uploadID uint) error21	SaveCsvErrors(rowErrors []string, csvUploadHistoryId uint, inProgess bool) *db.CSVUploadErrors22}23func (baseCsv CSVMetadata) ValidateHeaders() *models.Error {24	// csv template validation25	csvHeaders := baseCsv.Data.GetHeaders()26	for _, c := range baseCsv.Columns {27		if !utils.Contains(csvHeaders, c) {28			code := "INVALID_TEMPLATE"29			message := c + " column doesn't exist in uploaded csv file"30			e := &models.Error{31				Code:    &code,32				Message: &message,33			}34			return e35		}36	}37	return nil38}39func (baseCsv CSVMetadata) ValidateRow(requireHeader []string) []string {40	var errorMsgs []string41	for _, headerKey := range requireHeader {42		if baseCsv.Data.Text(headerKey) == "" {43			errorMsgs = append(errorMsgs, headerKey+" is missing")44		}45	}46	return errorMsgs47}48func (baseCsv CSVMetadata) CreateCsvUploadHistory(uploadType string) *db.CSVUploads {49	headers := strings.Join(baseCsv.Data.GetHeaders(), ",")50	// Initializing CSVUploads entity51	uploadEntry := db.CSVUploads{}52	uploadEntry.Filename = baseCsv.FileName53	uploadEntry.UserID = baseCsv.UserName54	uploadEntry.FileHeaders = headers55	uploadEntry.UploadType = uploadType56	uploadEntry.TotalRecords = 057	_ = db.CreateCSVUpload(&uploadEntry)58	return &uploadEntry59}60func (baseCsv CSVMetadata) SaveCsvErrors(rowErrors []string, csvUploadHistoryId uint, inProgess bool) *db.CSVUploadErrors {61	csvUploadErrors := db.CSVUploadErrors{}62	csvUploadErrors.Errors = strings.Join(rowErrors, ",")63	csvUploadErrors.CSVUploadID = csvUploadHistoryId64	csvUploadErrors.InProgress = inProgess65	var row []string66	for _, item := range baseCsv.Data.Row {67		row = append(row, "\""+item+"\"")68	}69	csvUploadErrors.RowData = strings.Join(row, ",")70	_ = db.CreateCSVUploadError(&csvUploadErrors)71	return &csvUploadErrors72}73type CSVUpload struct {74	BaseCSV75}76func ProcessCSV(baseCsv BaseCSV, data *Scanner) {77	csvUploadHistory := baseCsv.CreateCsvUploadHistory()78	var totalRecords int64 = 079	// start time80	startTime := time.Now()81	log.Infof("CSV file ingestion started at %v", startTime)82	saveErrors := func (errors []string) {83		log.Error("Error while processing row : ", errors)84		baseCsv.SaveCsvErrors(errors, csvUploadHistory.ID, false)85	}86	for data.Scan() {87		totalRecords++88		rowErrors := baseCsv.ValidateRow()89		if len(rowErrors) > 0 {90			saveErrors(rowErrors)91			continue92		}93		err := baseCsv.ProcessRow(csvUploadHistory.ID)94		if err != nil {95			saveErrors([]string{err.Error()})96		}97	}98	// end time99	endTime := time.Now()100	log.Infof("CSV file ingestion ended at %v", endTime)101	var d = time.Duration(endTime.UnixNano() - startTime.UnixNano())102	log.Infof("Total Time taken %v", d.Seconds())103	csvUploadHistory.TotalRecords = totalRecords104	db.UpdateCSVUpload(csvUploadHistory)105}...

scoutCsv-objects.go

Source:scoutCsv-objects.go

...19	IdTeam int `csv:"idTeam"`20	TxScoutName string `csv:"txScoutName"`21}22type MatchSetupCsv struct {23	IdStartFacing int `csv:"idStartFacing"`24	IdStartPosition int `csv:"idStartPosition"`25	NumStartCells int `csv:"numStartCells"`26}27type ResultsCsv struct {28	FlRed bool `csv:"flRed"`29	FlYellow bool `csv:"flYellow"`30	FlCrash bool `csv:"flCrash"`31	FlRanking1 bool `csv:"flRanking1"`32	FlRanking2 bool `csv:"flRanking2"`33}...

Start

Using AI Code Generation

1import (2func main() {3    file, err := os.Open("data.csv")4    if err != nil {5        fmt.Println("Error:", err)6    }7    defer file.Close()8    reader := csv.NewReader(file)9    for {10        record, err := reader.Read()11        if err == io.EOF {12        }13        if err != nil {14            fmt.Println("Error:", err)15        }16        fmt.Println("Record:", record)17    }18}192. Using ReadAll() method20import (21func main() {22    file, err := os.Open("data.csv")23    if err != nil {24        fmt.Println("Error:", err)25    }26    defer file.Close()27    reader := csv.NewReader(file)28    records, err := reader.ReadAll()29    if err != nil {30        fmt.Println("Error:", err)31    }32    fmt.Println("Records:", records)33}343. Using Read() method35import (36func main() {37    file, err := os.Open("data.csv")38    if err != nil {39        fmt.Println("Error:", err)40    }41    defer file.Close()42    reader := csv.NewReader(file)43    for {44        record, err := reader.Read()45        if err != nil {46            fmt.Println("Error:", err)47        }48        fmt.Println("Record:", record)49    }50}

Start

Using AI Code Generation

1import (2func main() {3    f, err := os.Open("test.csv")4    if err != nil {5        fmt.Println(err)6    }7    defer f.Close()8    r := csv.NewReader(f)9    r.Comma = ';'10    records, err := r.ReadAll()11    if err != nil {12        fmt.Println(err)13    }14    fmt.Println(records)15}16import (17func main() {18    f, err := os.Open("test.csv")19    if err != nil {20        fmt.Println(err)21    }22    defer f.Close()23    r := csv.NewReader(f)24    r.Comma = ';'25    for {26        record, err := r.Read()27        if err != nil {28        }29        fmt.Println(record)30    }31}32import (33func main() {34    f, err := os.Create("test.csv")35    if err != nil {36        fmt.Println(err)37    }38    defer f.Close()39    w := csv.NewWriter(f)40    w.Comma = ';'41    data := [][]string{{"1", "2", "3"}, {"4", "5", "6"}, {"7", "8", "9"}}42    for _, value := range data {43        err := w.Write(value)44        if err != nil {45            fmt.Println(err)46        }47    }48    w.Flush()49}50import (51func main() {

Start

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("test.csv")4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8	reader := csv.NewReader(file)9	csvData, err := reader.ReadAll()10	if err != nil {11		fmt.Println(err)12		os.Exit(1)13	}

Start

Using AI Code Generation

1func main() {2    f, err := os.Open("data.csv")3    if err != nil {4        panic(err)5    }6    defer f.Close()7    r := csv.NewReader(f)8    for {9        record, err := r.Read()10        if err == io.EOF {11        }12        if err != nil {13            panic(err)14        }15        fmt.Println(record)16    }17}18for {19    record, err := r.Read()20    if err == io.EOF {21    }22    if err != nil {23        panic(err)24    }25    fmt.Println(record[0])26}

Start

Using AI Code Generation

1import (2func main() {3	file, err := os.Create("data.csv")4	if err != nil {5		fmt.Println("Error:", err)6	}7	defer file.Close()8	writer := csv.NewWriter(file)9	defer writer.Flush()10	writer.Write([]string{"1", "2", "3", "4"})11	writer.Write([]string{"5", "6", "7", "8"})12	writer.Write([]string{"9", "10", "11", "12"})13}14import (15func main() {16	file, err := os.Open("data.csv")17	if err != nil {18		fmt.Println("Error:", err)19	}20	defer file.Close()21	reader := csv.NewReader(file)22	records, err := reader.ReadAll()23	if err != nil {24		fmt.Println("Error:", err)25	}26	for _, record := range records {27		fmt.Println(record)28	}29}30import (31func main() {32	file, err := os.Create("data.csv")33	if err != nil {34		fmt.Println("Error:", err)35	}36	defer file.Close()37	writer := csv.NewWriter(file)38	defer writer.Flush()39	headers := []string{"ID", "Name", "Address", "Phone"}40	writer.Write(headers)41	writer.Write([]string{"1", "John", "New York", "1234567890"})42	writer.Write([]string{"2", "Paul", "London", "0987654321"})43	writer.Write([]string{"3", "Ringo", "Liverpool", "1111111111"})44	writer.Write([]string{"4", "George", "Liverpool", "2222222222"})45}

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