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notification.go
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notification.go
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package models
//
// GangGo Application Server
// Copyright (C) 2017 Lukas Matt <lukas@zauberstuhl.de>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import (
"time"
"gopkg.in/ganggo/gorm.v2"
"github.com/revel/revel"
)
type Notification struct {
ID uint `gorm:"primary_key"`
CreatedAt time.Time
UpdatedAt time.Time
// size should be max 191 with mysql innodb
// cause asumming we use utf8mb 4*191 = 764 < 767
ShareableType string `gorm:"size:191"`
ShareableGuid string `gorm:"size:191"`
UserID uint
PersonID uint
Unread bool
Person Person `json:"-"`
User User `json:"-"`
Comment Comment `json:"-"`
Like Like `json:"-"`
Post Post `json:"-"`
}
type Notifications []Notification
func (n *Notification) AfterFind(db *gorm.DB) error {
err := db.Model(n).Related(&n.User).Error
if err != nil {
revel.AppLog.Error(err.Error())
return err
}
err = db.Model(n).Related(&n.Person).Error
if err != nil {
revel.AppLog.Error(err.Error())
return err
}
if n.ShareableType == ShareablePost {
var post Post
err = post.FindByGuid(n.ShareableGuid)
if err != nil {
revel.AppLog.Error(err.Error())
return err
}
(*n).Post = post
} else if n.ShareableType == ShareableComment {
var comment Comment
err = comment.FindByGuid(n.ShareableGuid)
if err != nil {
revel.AppLog.Error(err.Error())
return err
}
(*n).Comment = comment
} else if n.ShareableType == ShareableLike {
var like Like
err = like.FindByGuid(n.ShareableGuid)
if err != nil {
revel.AppLog.Error(err.Error())
return err
}
(*n).Like = like
}
return nil
}
func (n *Notifications) FindUnreadByUserID(id uint) error {
db, err := OpenDatabase()
if err != nil {
return err
}
defer db.Close()
return db.Where("user_id = ? and unread = ?", id, true).Find(n).Error
}
func (n *Notifications) FindByUserID(id uint, offset int) error {
db, err := OpenDatabase()
if err != nil {
return err
}
defer db.Close()
return db.Offset(offset).Limit(10).
Where("user_id = ?", id).Find(n).Error
}
func (n *Notification) Create() error {
db, err := OpenDatabase()
if err != nil {
return err
}
defer db.Close()
return db.Create(n).Error
}
func (n *Notification) Update() error {
db, err := OpenDatabase()
if err != nil {
return err
}
defer db.Close()
if n.ID > 0 {
return db.Model(n).Update(
"unread", n.Unread,
).Error
}
return db.Model(n).Where("user_id = ? and person_id = ?",
n.UserID, n.PersonID,
).Update("unread", n.Unread).Error
}