budgeteer/server/util.go
2022-04-06 21:41:55 +00:00

106 lines
1.9 KiB
Go

package server
import (
"fmt"
"strconv"
"time"
"github.com/gin-gonic/gin"
)
type Month struct {
Year int
Month int
}
func NewFromTime(date time.Time) Month {
return Month{date.Year(), int(date.Month())}
}
func (m Month) String() string {
return fmt.Sprintf("%d-%d", m.Year, m.Month)
}
func (m Month) FirstOfMonth() time.Time {
return time.Date(m.Year, time.Month(m.Month), 1, 0, 0, 0, 0, time.Now().Location())
}
func (m Month) nextMonth() Month {
if m.Month == 12 {
return Month{m.Year + 1, 1}
}
return Month{m.Year, m.Month}
}
func (m Month) InFuture(date time.Time) bool {
if m.Year < date.Year() {
return true
}
if m.Year > date.Year() {
return false
}
return time.Month(m.Month) < date.Month()
}
func (m Month) isBeforeOrContains(date time.Time) bool {
if m.Year < date.Year() {
return true
}
if m.Year > date.Year() {
return false
}
return time.Month(m.Month) <= date.Month()
}
func (m Month) InPast(date time.Time) bool {
if m.Year > date.Year() {
return false
}
if m.Year < date.Year() {
return true
}
return time.Month(m.Month) > date.Month()
}
func (m Month) InPresent(date time.Time) bool {
if date.Year() != m.Year {
return false
}
return date.Month() == time.Month(m.Month)
}
func getDate(c *gin.Context) (Month, error) {
var year, month int
yearString := c.Param("year")
monthString := c.Param("month")
if yearString == "" && monthString == "" {
return getFirstOfMonthTime(time.Now()), nil
}
year, err := strconv.Atoi(yearString)
if err != nil {
return Month{}, fmt.Errorf("parse year: %w", err)
}
month, err = strconv.Atoi(monthString)
if err != nil {
return Month{}, fmt.Errorf("parse month: %w", err)
}
return Month{year, month}, nil
}
func getFirstOfMonthTime(date time.Time) Month {
var monthM time.Month
year, monthM, _ := date.Date()
month := int(monthM)
return Month{year, month}
}