118 lines
3.3 KiB
Go
118 lines
3.3 KiB
Go
// Copyright 2021 The Xorm Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package convert
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import (
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"database/sql"
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"fmt"
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"strconv"
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"strings"
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"time"
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"xorm.io/xorm/internal/utils"
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)
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// String2Time converts a string to time with original location
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func String2Time(s string, originalLocation *time.Location, convertedLocation *time.Location) (*time.Time, error) {
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if len(s) == 19 {
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if s == utils.ZeroTime0 || s == utils.ZeroTime1 {
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return &time.Time{}, nil
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}
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dt, err := time.ParseInLocation("2006-01-02 15:04:05", s, originalLocation)
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if err != nil {
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return nil, err
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}
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dt = dt.In(convertedLocation)
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return &dt, nil
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} else if len(s) == 20 && s[10] == 'T' && s[19] == 'Z' {
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dt, err := time.ParseInLocation("2006-01-02T15:04:05", s[:19], originalLocation)
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if err != nil {
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return nil, err
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}
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dt = dt.In(convertedLocation)
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return &dt, nil
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} else if len(s) == 25 && s[10] == 'T' && s[19] == '+' && s[22] == ':' {
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dt, err := time.Parse(time.RFC3339, s)
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if err != nil {
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return nil, err
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}
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dt = dt.In(convertedLocation)
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return &dt, nil
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} else if len(s) >= 21 && s[19] == '.' {
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var layout = "2006-01-02 15:04:05." + strings.Repeat("0", len(s)-20)
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dt, err := time.ParseInLocation(layout, s, originalLocation)
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if err != nil {
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return nil, err
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}
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dt = dt.In(convertedLocation)
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return &dt, nil
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} else {
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i, err := strconv.ParseInt(s, 10, 64)
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if err == nil {
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tm := time.Unix(i, 0).In(convertedLocation)
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return &tm, nil
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}
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}
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return nil, fmt.Errorf("unsupported conversion from %s to time", s)
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}
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// AsTime converts interface as time
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func AsTime(src interface{}, dbLoc *time.Location, uiLoc *time.Location) (*time.Time, error) {
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switch t := src.(type) {
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case string:
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return String2Time(t, dbLoc, uiLoc)
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case *sql.NullString:
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if !t.Valid {
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return nil, nil
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}
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return String2Time(t.String, dbLoc, uiLoc)
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case []uint8:
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if t == nil {
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return nil, nil
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}
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return String2Time(string(t), dbLoc, uiLoc)
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case *sql.NullTime:
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if !t.Valid {
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return nil, nil
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}
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z, _ := t.Time.Zone()
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if len(z) == 0 || t.Time.Year() == 0 || t.Time.Location().String() != dbLoc.String() {
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tm := time.Date(t.Time.Year(), t.Time.Month(), t.Time.Day(), t.Time.Hour(),
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t.Time.Minute(), t.Time.Second(), t.Time.Nanosecond(), dbLoc).In(uiLoc)
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return &tm, nil
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}
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tm := t.Time.In(uiLoc)
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return &tm, nil
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case *time.Time:
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z, _ := t.Zone()
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if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbLoc.String() {
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tm := time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
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t.Minute(), t.Second(), t.Nanosecond(), dbLoc).In(uiLoc)
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return &tm, nil
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}
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tm := t.In(uiLoc)
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return &tm, nil
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case time.Time:
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z, _ := t.Zone()
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if len(z) == 0 || t.Year() == 0 || t.Location().String() != dbLoc.String() {
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tm := time.Date(t.Year(), t.Month(), t.Day(), t.Hour(),
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t.Minute(), t.Second(), t.Nanosecond(), dbLoc).In(uiLoc)
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return &tm, nil
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}
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tm := t.In(uiLoc)
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return &tm, nil
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case int:
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tm := time.Unix(int64(t), 0).In(uiLoc)
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return &tm, nil
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case int64:
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tm := time.Unix(t, 0).In(uiLoc)
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return &tm, nil
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case *sql.NullInt64:
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tm := time.Unix(t.Int64, 0).In(uiLoc)
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return &tm, nil
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}
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return nil, fmt.Errorf("unsupported value %#v as time", src)
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}
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