99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
// Vikunja is a to-do list application to facilitate your life.
|
|
// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public Licensee as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public Licensee for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public Licensee
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package migration
|
|
|
|
import (
|
|
"errors"
|
|
"image"
|
|
|
|
"code.vikunja.io/api/pkg/files"
|
|
"code.vikunja.io/api/pkg/log"
|
|
"github.com/bbrks/go-blurhash"
|
|
"golang.org/x/image/draw"
|
|
"src.techknowlogick.com/xormigrate"
|
|
"xorm.io/xorm"
|
|
)
|
|
|
|
type lists20211212210054 struct {
|
|
ID int64 `xorm:"bigint autoincr not null unique pk" json:"id" param:"list"`
|
|
BackgroundFileID int64 `xorm:"null" json:"-"`
|
|
BackgroundBlurHash string `xorm:"varchar(50) null" json:"background_blur_hash"`
|
|
}
|
|
|
|
func (lists20211212210054) TableName() string {
|
|
return "lists"
|
|
}
|
|
|
|
func init() {
|
|
migrations = append(migrations, &xormigrate.Migration{
|
|
ID: "20211212210054",
|
|
Description: "Add blurHash to list backgrounds.",
|
|
Migrate: func(tx *xorm.Engine) error {
|
|
err := tx.Sync2(lists20211212210054{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
lists := []*lists20211212210054{}
|
|
err = tx.Where("background_file_id is not null AND background_file_id != ?", 0).Find(&lists)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log.Infof("Creating BlurHash for %d list backgrounds, this might take a while...", len(lists))
|
|
|
|
for _, l := range lists {
|
|
bgFile := &files.File{
|
|
ID: l.BackgroundFileID,
|
|
}
|
|
if err := bgFile.LoadFileByID(); err != nil {
|
|
return err
|
|
}
|
|
|
|
src, _, err := image.Decode(bgFile.File)
|
|
if err != nil && !errors.Is(err, image.ErrFormat) {
|
|
return err
|
|
}
|
|
if err != nil && errors.Is(err, image.ErrFormat) {
|
|
log.Warningf("Could not generate a blur hash of list %d's background image: %s", l.ID, err)
|
|
}
|
|
|
|
dst := image.NewRGBA(image.Rect(0, 0, 32, 32))
|
|
draw.NearestNeighbor.Scale(dst, dst.Rect, src, src.Bounds(), draw.Over, nil)
|
|
|
|
hash, err := blurhash.Encode(4, 3, dst)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
l.BackgroundBlurHash = hash
|
|
_, err = tx.Where("id = ?", l.ID).
|
|
Cols("background_blur_hash").
|
|
Update(l)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
log.Debugf("Created BlurHash for list %d", l.ID)
|
|
}
|
|
|
|
return nil
|
|
},
|
|
Rollback: func(tx *xorm.Engine) error {
|
|
return nil
|
|
},
|
|
})
|
|
}
|