80 lines
2.2 KiB
Go
80 lines
2.2 KiB
Go
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// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package timeutil
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import (
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"code.vikunja.io/api/pkg/config"
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"encoding/json"
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"time"
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)
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// TimeStamp is a type which holds a unix timestamp, but becomes a RFC3339 date when parsed to json.
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// This allows us to save the time as a unix timestamp into the database while returning it as an iso
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// date to the api client.
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type TimeStamp int64
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// ToTime returns a time.Time from a TimeStamp
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func (ts *TimeStamp) ToTime() time.Time {
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return time.Unix(int64(*ts), 0)
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}
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// FromTime converts a time.Time to a TimeStamp
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func FromTime(t time.Time) TimeStamp {
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return TimeStamp(t.Unix())
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}
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// MarshalJSON converts a TimeStamp to a json string
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func (ts *TimeStamp) MarshalJSON() ([]byte, error) {
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if int64(*ts) == 0 {
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return []byte("null"), nil
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}
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loc, err := time.LoadLocation(config.ServiceTimeZone.GetString())
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if err != nil {
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return nil, err
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}
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s := `"` + ts.ToTime().In(loc).Format(time.RFC3339) + `"`
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return []byte(s), nil
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}
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// UnmarshalJSON converts an iso date string from json to a TimeStamp
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func (ts *TimeStamp) UnmarshalJSON(data []byte) error {
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var s string
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err := json.Unmarshal(data, &s)
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if err != nil {
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return err
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}
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if s == "" {
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*ts = FromTime(time.Unix(0, 0))
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return nil
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}
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t, err := time.Parse(time.RFC3339, s)
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if err != nil {
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return err
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}
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loc, err := time.LoadLocation(config.ServiceTimeZone.GetString())
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if err != nil {
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return err
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}
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*ts = TimeStamp(t.In(loc).Unix())
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return nil
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}
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