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thumb.go
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thumb.go
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/*
Nging is a toolbox for webmasters
Copyright (C) 2018-present Wenhui Shen <swh@admpub.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License 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 License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package file
import (
"github.com/webx-top/db"
"github.com/webx-top/echo"
"github.com/admpub/nging/application/dbschema"
"github.com/admpub/nging/application/model/base"
)
func NewThumb(ctx echo.Context) *Thumb {
m := &Thumb{
NgingFileThumb: &dbschema.NgingFileThumb{},
base: base.New(ctx),
}
m.NgingFileThumb.SetContext(ctx)
return m
}
type Thumb struct {
*dbschema.NgingFileThumb
base *base.Base
}
func (t *Thumb) SetByFile(file *dbschema.NgingFile) *Thumb {
t.FileId = file.Id
t.Dpi = file.Dpi
return t
}
func (t *Thumb) Save() (err error) {
m := &dbschema.NgingFileThumb{}
err = m.Get(nil, db.And(
db.Cond{`save_path`: t.SavePath},
))
if err != nil {
if err != db.ErrNoMoreRows {
return
}
_, err = t.NgingFileThumb.Add()
return
}
t.NgingFileThumb = m
err = t.SetFields(nil, echo.H{
`view_url`: t.ViewUrl,
`size`: t.Size,
`width`: t.Width,
`height`: t.Height,
`dpi`: t.Dpi,
}, db.Cond{`id`: m.Id})
return
}