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calendardates.go
139 lines (119 loc) · 3.33 KB
/
calendardates.go
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package ggtfs
import (
"encoding/csv"
"errors"
"fmt"
"strconv"
"time"
)
type CalendarDate struct {
ServiceId string
Date time.Time
ExceptionType int
LineNumber int
}
func LoadCalendarDates(csvReader *csv.Reader) ([]*CalendarDate, []error) {
calendarDates := make([]*CalendarDate, 0)
errs := make([]error, 0)
headers, err := ReadHeaderRow(csvReader)
if err != nil {
errs = append(errs, createFileError(CalendarDatesFileName, fmt.Sprintf("read error: %v", err.Error())))
return calendarDates, errs
}
if headers == nil {
return calendarDates, errs
}
index := 0
for {
row, err := ReadDataRow(csvReader)
if err != nil {
errs = append(errs, createFileError(CalendarDatesFileName, fmt.Sprintf("%v", err.Error())))
index++
continue
}
if row == nil {
break
}
rowErrs := make([]error, 0)
calendarDate := CalendarDate{
LineNumber: index,
}
var (
serviceId *string
date *time.Time
exceptionType *int
)
for name, column := range headers {
switch name {
case "service_id":
serviceId = handleIDField(row[column], CalendarDatesFileName, name, index, &rowErrs)
case "date":
date = handleDateField(row[column], CalendarDatesFileName, name, index, false, &rowErrs)
case "exception_type":
exceptionType = handleExceptionTypeField(row[column], CalendarDatesFileName, name, index, &rowErrs)
}
}
if serviceId == nil {
rowErrs = append(rowErrs, createFileRowError(CalendarDatesFileName, calendarDate.LineNumber, "service_id must be specified"))
} else {
calendarDate.ServiceId = *serviceId
}
if date == nil {
rowErrs = append(rowErrs, createFileRowError(CalendarDatesFileName, calendarDate.LineNumber, "date must be specified"))
} else {
calendarDate.Date = *date
}
if exceptionType == nil {
rowErrs = append(rowErrs, createFileRowError(CalendarDatesFileName, calendarDate.LineNumber, "exception_type must be specified"))
} else {
calendarDate.ExceptionType = *exceptionType
}
if len(rowErrs) > 0 {
errs = append(errs, rowErrs...)
} else {
calendarDates = append(calendarDates, &calendarDate)
}
index++
}
return calendarDates, errs
}
func ValidateCalendarDates(calendarDates []*CalendarDate, calendarItems []*CalendarItem) []error {
var validationErrors []error
if calendarDates == nil {
return validationErrors
}
if calendarItems != nil {
for _, calendarDate := range calendarDates {
if calendarDate == nil {
continue
}
notFound := true
for _, calendarItem := range calendarItems {
if calendarItem == nil {
continue
}
if calendarDate.ServiceId == calendarItem.ServiceId {
notFound = false
break
}
}
if notFound {
validationErrors = append(validationErrors, createFileRowError(CalendarDatesFileName, calendarDate.LineNumber, fmt.Sprintf("referenced service_id not found in %s", CalendarFileName)))
}
}
}
return validationErrors
}
func handleExceptionTypeField(str string, fileName string, fieldName string, index int, errs *[]error) *int {
n, err := strconv.ParseInt(str, 10, 64)
if err != nil {
*errs = append(*errs, createFieldError(fileName, fieldName, index, err))
return nil
}
if v := int(n); v >= 1 && v <= 2 {
return &v
} else {
*errs = append(*errs, createFieldError(fileName, fieldName, index, errors.New(invalidValue)))
return nil
}
}