tank/code/rest/matter_dao.go
2022-03-15 02:17:26 +08:00

591 lines
15 KiB
Go

package rest
import (
"github.com/eyebluecn/tank/code/core"
"github.com/eyebluecn/tank/code/tool/builder"
"github.com/eyebluecn/tank/code/tool/result"
"github.com/eyebluecn/tank/code/tool/util"
"github.com/eyebluecn/tank/code/tool/uuid"
"gorm.io/gorm"
"math"
"os"
"time"
)
type MatterDao struct {
BaseDao
imageCacheDao *ImageCacheDao
bridgeDao *BridgeDao
}
func (this *MatterDao) Init() {
this.BaseDao.Init()
b := core.CONTEXT.GetBean(this.imageCacheDao)
if b, ok := b.(*ImageCacheDao); ok {
this.imageCacheDao = b
}
b = core.CONTEXT.GetBean(this.bridgeDao)
if b, ok := b.(*BridgeDao); ok {
this.bridgeDao = b
}
}
func (this *MatterDao) FindByUuid(uuid string) *Matter {
var entity = &Matter{}
db := core.CONTEXT.GetDB().Where("uuid = ?", uuid).First(entity)
if db.Error != nil {
if db.Error.Error() == result.DB_ERROR_NOT_FOUND {
return nil
} else {
panic(db.Error)
}
}
return entity
}
//find by uuid. if not found panic NotFound error
func (this *MatterDao) CheckByUuid(uuid string) *Matter {
entity := this.FindByUuid(uuid)
if entity == nil {
panic(result.NotFound("not found record with uuid = %s", uuid))
}
return entity
}
// find by uuid. if uuid=root, then return the Root Matter
func (this *MatterDao) CheckWithRootByUuid(uuid string, user *User) *Matter {
if uuid == "" {
panic(result.BadRequest("uuid cannot be null."))
}
var matter *Matter
if uuid == MATTER_ROOT {
if user == nil {
panic(result.BadRequest("user cannot be null."))
}
matter = NewRootMatter(user)
} else {
matter = this.CheckByUuid(uuid)
}
return matter
}
// find by path. if path=/, then return the Root Matter
func (this *MatterDao) CheckWithRootByPath(path string, user *User) *Matter {
var matter *Matter
if user == nil {
panic(result.BadRequest("user cannot be null."))
}
if path == "" || path == "/" {
matter = NewRootMatter(user)
} else {
matter = this.checkByUserUuidAndPath(user.Uuid, path)
}
return matter
}
// find by path. if path=/, then return the Root Matter
func (this *MatterDao) FindWithRootByPath(path string, user *User) *Matter {
var matter *Matter
if user == nil {
panic(result.BadRequest("user cannot be null."))
}
if path == "" || path == "/" {
matter = NewRootMatter(user)
} else {
matter = this.findByUserUuidAndPath(user.Uuid, path)
}
return matter
}
func (this *MatterDao) FindByUserUuidAndPuuidAndDirTrue(userUuid string, puuid string) []*Matter {
var wp = &builder.WherePair{}
if userUuid != "" {
wp = wp.And(&builder.WherePair{Query: "user_uuid = ?", Args: []interface{}{userUuid}})
}
if puuid != "" {
wp = wp.And(&builder.WherePair{Query: "puuid = ?", Args: []interface{}{puuid}})
}
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{1}})
var matters []*Matter
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).First(&matters)
if db.Error != nil {
return nil
}
return matters
}
func (this *MatterDao) CheckByUuidAndUserUuid(uuid string, userUuid string) *Matter {
var matter = &Matter{}
db := core.CONTEXT.GetDB().Where(&Matter{Uuid: uuid, UserUuid: userUuid}).First(matter)
this.PanicError(db.Error)
return matter
}
func (this *MatterDao) CountByUserUuidAndPuuidAndDirAndName(userUuid string, puuid string, dir bool, name string) int {
var matter Matter
var count int64
var wp = &builder.WherePair{}
if puuid != "" {
wp = wp.And(&builder.WherePair{Query: "puuid = ?", Args: []interface{}{puuid}})
}
if userUuid != "" {
wp = wp.And(&builder.WherePair{Query: "user_uuid = ?", Args: []interface{}{userUuid}})
}
if name != "" {
wp = wp.And(&builder.WherePair{Query: "name = ?", Args: []interface{}{name}})
}
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{dir}})
db := core.CONTEXT.GetDB().
Model(&matter).
Where(wp.Query, wp.Args...).
Count(&count)
this.PanicError(db.Error)
return int(count)
}
func (this *MatterDao) FindByUserUuidAndPuuidAndDirAndName(userUuid string, puuid string, dir string, name string) *Matter {
var matter = &Matter{}
var wp = &builder.WherePair{}
if puuid != "" {
wp = wp.And(&builder.WherePair{Query: "puuid = ?", Args: []interface{}{puuid}})
}
if userUuid != "" {
wp = wp.And(&builder.WherePair{Query: "user_uuid = ?", Args: []interface{}{userUuid}})
}
if name != "" {
wp = wp.And(&builder.WherePair{Query: "name = ?", Args: []interface{}{name}})
}
if dir == TRUE {
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{true}})
} else if dir == FALSE {
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{false}})
}
db := core.CONTEXT.GetDB().Where(wp.Query, wp.Args...).First(matter)
if db.Error != nil {
if db.Error.Error() == result.DB_ERROR_NOT_FOUND {
return nil
} else {
this.PanicError(db.Error)
}
}
return matter
}
func (this *MatterDao) FindByPuuidAndUserUuid(puuid string, userUuid string, sortArray []builder.OrderPair) []*Matter {
return this.FindByPuuidAndUserUuidAndDeleted(puuid, userUuid, "", sortArray)
}
func (this *MatterDao) FindByPuuidAndUserUuidAndDeleted(puuid string, userUuid string, deleted string, sortArray []builder.OrderPair) []*Matter {
var matters []*Matter
var wp = &builder.WherePair{}
wp = wp.And(&builder.WherePair{Query: "puuid = ? AND user_uuid = ?", Args: []interface{}{puuid, userUuid}})
if deleted == TRUE {
wp = wp.And(&builder.WherePair{Query: "deleted = 1", Args: []interface{}{}})
} else if deleted == FALSE {
wp = wp.And(&builder.WherePair{Query: "deleted = 0", Args: []interface{}{}})
}
if sortArray == nil {
sortArray = []builder.OrderPair{
{
Key: "dir",
Value: DIRECTION_DESC,
},
{
Key: "create_time",
Value: DIRECTION_DESC,
},
}
}
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Order(this.GetSortString(sortArray)).Find(&matters)
this.PanicError(db.Error)
return matters
}
func (this *MatterDao) FindByUuids(uuids []string, sortArray []builder.OrderPair) []*Matter {
var matters []*Matter
db := core.CONTEXT.GetDB().Where(uuids).Order(this.GetSortString(sortArray)).Find(&matters)
this.PanicError(db.Error)
return matters
}
func (this *MatterDao) PlainPage(
page int,
pageSize int,
puuid string,
userUuid string,
name string,
dir string,
deleted string,
deleteTimeBefore *time.Time,
extensions []string,
sortArray []builder.OrderPair) (int, []*Matter) {
var wp = &builder.WherePair{}
if puuid != "" {
wp = wp.And(&builder.WherePair{Query: "puuid = ?", Args: []interface{}{puuid}})
}
if userUuid != "" {
wp = wp.And(&builder.WherePair{Query: "user_uuid = ?", Args: []interface{}{userUuid}})
}
if name != "" {
wp = wp.And(&builder.WherePair{Query: "name LIKE ?", Args: []interface{}{"%" + name + "%"}})
}
if deleteTimeBefore != nil {
wp = wp.And(&builder.WherePair{Query: "delete_time < ?", Args: []interface{}{&deleteTimeBefore}})
}
if dir == TRUE {
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{1}})
} else if dir == FALSE {
wp = wp.And(&builder.WherePair{Query: "dir = ?", Args: []interface{}{0}})
}
if deleted == TRUE {
wp = wp.And(&builder.WherePair{Query: "deleted = ?", Args: []interface{}{1}})
} else if deleted == FALSE {
wp = wp.And(&builder.WherePair{Query: "deleted = ?", Args: []interface{}{0}})
}
var conditionDB *gorm.DB
if extensions != nil && len(extensions) > 0 {
var orWp = &builder.WherePair{}
for _, v := range extensions {
orWp = orWp.Or(&builder.WherePair{Query: "name LIKE ?", Args: []interface{}{"%." + v}})
}
conditionDB = core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Where(orWp.Query, orWp.Args...)
} else {
conditionDB = core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...)
}
var count int64 = 0
db := conditionDB.Count(&count)
this.PanicError(db.Error)
var matters []*Matter
db = conditionDB.Order(this.GetSortString(sortArray)).Offset(page * pageSize).Limit(pageSize).Find(&matters)
this.PanicError(db.Error)
return int(count), matters
}
func (this *MatterDao) Page(page int, pageSize int, puuid string, userUuid string, name string, dir string, deleted string, extensions []string, sortArray []builder.OrderPair) *Pager {
count, matters := this.PlainPage(page, pageSize, puuid, userUuid, name, dir, deleted, nil, extensions, sortArray)
pager := NewPager(page, pageSize, count, matters)
return pager
}
//handle matter page by page.
func (this *MatterDao) PageHandle(
puuid string,
userUuid string,
name string,
dir string,
deleted string,
deleteTimeBefore *time.Time,
sortArray []builder.OrderPair,
fun func(matter *Matter)) {
pageSize := 1000
if sortArray == nil || len(sortArray) == 0 {
sortArray = []builder.OrderPair{
{
Key: "uuid",
Value: DIRECTION_ASC,
},
}
}
count, _ := this.PlainPage(0, pageSize, puuid, userUuid, name, dir, deleted, deleteTimeBefore, nil, sortArray)
if count > 0 {
var totalPages = int(math.Ceil(float64(count) / float64(pageSize)))
var page int
for page = 0; page < totalPages; page++ {
_, matters := this.PlainPage(0, pageSize, puuid, userUuid, name, dir, deleted, deleteTimeBefore, nil, sortArray)
for _, matter := range matters {
fun(matter)
}
}
}
}
func (this *MatterDao) Create(matter *Matter) *Matter {
timeUUID, _ := uuid.NewV4()
matter.Uuid = string(timeUUID.String())
matter.CreateTime = time.Now()
matter.UpdateTime = time.Now()
matter.Sort = time.Now().UnixNano() / 1e6
db := core.CONTEXT.GetDB().Create(matter)
this.PanicError(db.Error)
return matter
}
func (this *MatterDao) Save(matter *Matter) *Matter {
matter.UpdateTime = time.Now()
db := core.CONTEXT.GetDB().Save(matter)
this.PanicError(db.Error)
return matter
}
//download time add 1
func (this *MatterDao) TimesIncrement(matterUuid string) {
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matterUuid).Updates(map[string]interface{}{"times": gorm.Expr("times + 1"), "visit_time": time.Now()})
this.PanicError(db.Error)
}
func (this *MatterDao) SizeByPuuidAndUserUuid(matterUuid string, userUuid string) int64 {
var wp = &builder.WherePair{Query: "puuid = ? AND user_uuid = ?", Args: []interface{}{matterUuid, userUuid}}
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Count(&count)
if count == 0 {
return 0
}
var sumSize int64
db = core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Select("SUM(size)")
this.PanicError(db.Error)
row := db.Row()
err := row.Scan(&sumSize)
core.PanicError(err)
return sumSize
}
//delete a file from db and disk.
func (this *MatterDao) Delete(matter *Matter) {
// recursive if dir
if matter.Dir {
matters := this.FindByPuuidAndUserUuid(matter.Uuid, matter.UserUuid, nil)
for _, f := range matters {
this.Delete(f)
}
//delete from db.
db := core.CONTEXT.GetDB().Delete(&matter)
this.PanicError(db.Error)
//delete dir from disk.
util.DeleteEmptyDir(matter.AbsolutePath())
} else {
//delete from db.
db := core.CONTEXT.GetDB().Delete(&matter)
this.PanicError(db.Error)
//delete its image cache.
this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
//delete all the share.
this.bridgeDao.DeleteByMatterUuid(matter.Uuid)
//delete from disk.
err := os.Remove(matter.AbsolutePath())
if err != nil {
this.logger.Error("occur error when deleting file. %v", err)
}
}
}
//soft delete a file or dir
func (this *MatterDao) SoftDelete(matter *Matter) {
//soft delete from db.
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Updates(map[string]interface{}{"deleted": true, "delete_time": time.Now()})
this.PanicError(db.Error)
}
//recovery a file
func (this *MatterDao) Recovery(matter *Matter) {
//recovery from db.
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("uuid = ?", matter.Uuid).Updates(map[string]interface{}{"deleted": false, "delete_time": time.Now()})
this.PanicError(db.Error)
}
func (this *MatterDao) DeleteByUserUuid(userUuid string) {
db := core.CONTEXT.GetDB().Where("user_uuid = ?", userUuid).Delete(Matter{})
this.PanicError(db.Error)
}
func (this *MatterDao) CountBetweenTime(startTime time.Time, endTime time.Time) int64 {
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Where("create_time >= ? AND create_time <= ?", startTime, endTime).Count(&count)
this.PanicError(db.Error)
return count
}
func (this *MatterDao) SizeBetweenTime(startTime time.Time, endTime time.Time) int64 {
var wp = &builder.WherePair{Query: "dir = 0 AND create_time >= ? AND create_time <= ?", Args: []interface{}{startTime, endTime}}
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Count(&count)
if count == 0 {
return 0
}
var size int64
db = core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Select("SUM(size)")
this.PanicError(db.Error)
row := db.Row()
err := row.Scan(&size)
this.PanicError(err)
return size
}
//find by userUuid and path. if not found, return nil
func (this *MatterDao) findByUserUuidAndPath(userUuid string, path string) *Matter {
var wp = &builder.WherePair{Query: "user_uuid = ? AND path = ?", Args: []interface{}{userUuid, path}}
var matter = &Matter{}
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).First(matter)
if db.Error != nil {
if db.Error.Error() == result.DB_ERROR_NOT_FOUND {
return nil
} else {
this.PanicError(db.Error)
}
}
return matter
}
//find by userUuid and path. if not found, panic
func (this *MatterDao) checkByUserUuidAndPath(userUuid string, path string) *Matter {
if path == "" {
panic(result.BadRequest("path cannot be null"))
}
matter := this.findByUserUuidAndPath(userUuid, path)
if matter == nil {
panic(result.NotFound("path = %s not exists", path))
}
return matter
}
func (this *MatterDao) SumSizeByUserUuidAndPath(userUuid string, path string) int64 {
var wp = &builder.WherePair{Query: "user_uuid = ? AND path like ?", Args: []interface{}{userUuid, path + "%"}}
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Count(&count)
if count == 0 {
return 0
}
var sumSize int64
db = core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Select("SUM(size)")
this.PanicError(db.Error)
row := db.Row()
err := row.Scan(&sumSize)
core.PanicError(err)
return sumSize
}
func (this *MatterDao) CountByUserUuidAndPath(userUuid string, path string) int64 {
var wp = &builder.WherePair{Query: "user_uuid = ? AND path like ?", Args: []interface{}{userUuid, path + "%"}}
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Where(wp.Query, wp.Args...).Count(&count)
core.PanicError(db.Error)
return count
}
//统计总共有多少条。
func (this *MatterDao) Count() int64 {
var count int64
db := core.CONTEXT.GetDB().Model(&Matter{}).Count(&count)
core.PanicError(db.Error)
return count
}
//System cleanup.
func (this *MatterDao) Cleanup() {
this.logger.Info("[MatterDao] clean up. Delete all Matter record in db and on disk.")
db := core.CONTEXT.GetDB().Where("uuid is not null").Delete(Matter{})
this.PanicError(db.Error)
err := os.RemoveAll(core.CONFIG.MatterPath())
this.PanicError(err)
}