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mirror of https://github.com/muety/wakapi.git synced 2023-08-10 21:12:56 +03:00

Add intervals for summary requests.

This commit is contained in:
Ferdinand Mütsch 2019-05-19 20:06:07 +02:00
parent be906805e7
commit a157edd03b
2 changed files with 65 additions and 7 deletions

View File

@ -9,6 +9,13 @@ import (
"github.com/n1try/wakapi/utils"
)
const (
IntervalLastDay string = "day"
IntervalLastWeek string = "week"
IntervalLastMonth string = "month"
IntervalLastYear string = "year"
)
type SummaryHandler struct {
SummarySrvc *services.SummaryService
}
@ -23,15 +30,24 @@ func (h *SummaryHandler) Get(w http.ResponseWriter, r *http.Request) {
params := r.URL.Query()
from, err := utils.ParseDate(params.Get("from"))
if err != nil {
interval := params.Get("interval")
switch interval {
case IntervalLastDay:
from = utils.StartOfDay().Add(-24 * time.Hour)
case IntervalLastWeek:
from = utils.StartOfWeek()
case IntervalLastMonth:
from = utils.StartOfMonth()
case IntervalLastYear:
from = utils.StartOfYear()
default:
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte("Missing 'from' parameter"))
return
}
}
now := time.Now()
to := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()) // Start of current day
summary, err := h.SummarySrvc.GetSummary(from, to, user)
summary, err := h.SummarySrvc.GetSummary(from, utils.StartOfDay(), user)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return

42
utils/date.go Normal file
View File

@ -0,0 +1,42 @@
package utils
import "time"
func StartOfDay() time.Time {
ref := time.Now()
return time.Date(ref.Year(), ref.Month(), ref.Day(), 0, 0, 0, 0, ref.Location())
}
func StartOfWeek() time.Time {
ref := time.Now()
return firstDayOfISOWeek(ref.Year(), ref.Day(), ref.Location())
}
func StartOfMonth() time.Time {
ref := time.Now()
return time.Date(ref.Year(), ref.Month(), 0, 0, 0, 0, 0, ref.Location())
}
func StartOfYear() time.Time {
ref := time.Now()
return time.Date(ref.Year(), 0, 0, 0, 0, 0, 0, ref.Location())
}
// https://stackoverflow.com/a/18632496
func firstDayOfISOWeek(year int, week int, timezone *time.Location) time.Time {
date := time.Date(year, 0, 0, 0, 0, 0, 0, timezone)
isoYear, isoWeek := date.ISOWeek()
for date.Weekday() != time.Monday { // iterate back to Monday
date = date.AddDate(0, 0, -1)
isoYear, isoWeek = date.ISOWeek()
}
for isoYear < year { // iterate forward to the first day of the first week
date = date.AddDate(0, 0, 1)
isoYear, isoWeek = date.ISOWeek()
}
for isoWeek < week { // iterate forward to the first day of the given week
date = date.AddDate(0, 0, 1)
isoYear, isoWeek = date.ISOWeek()
}
return date
}