func SoftDeleteByIdAndVersion(DB db.IDb, table *db.Table, id int64, version int64) error {
deletion := table.GetDeletionColumn()
if deletion == nil {
return dbx.NewPersistenceFail("DAOUtils.SoftDeleteByIdAndVersion", "Table "+table.GetName()+" does not have a deletion type column to do a soft delete.")
}
keyColumn := table.GetKeyColumns().Enumerator().Next().(*db.Column)
versionColumn := table.GetVersionColumn()
result, err := DB.Update(table).
Set(deletion, tk.Milliseconds()).
Set(versionColumn, version+1).
Where(
keyColumn.Matches(id),
versionColumn.Matches(version),
).
Execute()
if err != nil {
return err
}
if result == 0 {
return dbx.NewOptimisticLockFail("DAOUtils.removeByIdVersion: Unable to soft delete by id and version for the table " + table.GetName())
}
return nil
}
func DeleteByIdAndVersion(DB db.IDb, table *db.Table, id int64, version int64) error {
logger.CallerAt(1).Debugf("DAOUtils.removeByIdVersion: id: %v, version: %v", id, version)
keyColumn := table.GetKeyColumns().Enumerator().Next().(*db.Column)
versionColumn := table.GetVersionColumn()
result, err := DB.Delete(table).
Where(
keyColumn.Matches(id),
versionColumn.Matches(version),
).
Execute()
if err != nil {
return err
}
if result == 0 {
return dbx.NewOptimisticLockFail("DAOUtils.removeByIdVersion: Unable to delete by id and version for the table " + table.GetName())
}
return nil
}
func (this *Delete) Submit(value interface{}) (int64, error) {
var mappings map[string]*EntityProperty
var criterias []*Criteria
typ := reflect.TypeOf(value)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
}
if typ == this.lastType {
mappings = this.lastMappings
} else {
mappings = PopulateMapping("", typ)
criterias = make([]*Criteria, 0)
this.criteria = nil
this.lastMappings = mappings
this.lastType = typ
}
var mustSucceed bool
var hasId bool
var ver int64
for e := this.table.GetColumns().Enumerator(); e.HasNext(); {
column := e.Next().(*Column)
alias := column.GetAlias()
bp := mappings[alias]
if bp != nil {
val := bp.Get(reflect.ValueOf(value))
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
if column.IsKey() {
if !val.IsValid() || (val.Kind() == reflect.Ptr && val.IsNil()) {
return 0, errors.New(fmt.Sprintf("goSQL: Value for key property '%s' cannot be nil.", alias))
}
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
id := val.Interface()
if criterias != nil {
criterias = append(criterias, column.Matches(Param(alias)))
}
this.SetParameter(alias, id)
hasId = true
} else if column.IsVersion() {
if !val.IsValid() || (val.Kind() == reflect.Ptr && val.IsNil()) {
panic(fmt.Sprintf("goSQL: Value for version property '%s' cannot be nil.", alias))
}
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
ver = val.Int()
if ver != 0 {
if criterias != nil {
criterias = append(criterias, column.Matches(Param(alias)))
}
this.SetParameter(alias, ver)
mustSucceed = true
}
}
}
}
if !hasId {
return 0, errors.New(fmt.Sprintf("goSQL: No key field was identified in %s.", typ.String()))
}
if criterias != nil {
this.Where(criterias...)
this.rawSQL = nil
}
// pre trigger
if t, isT := value.(PreDeleter); isT {
err := t.PreDelete(this.GetDb())
if err != nil {
return 0, err
}
}
affectedRows, err := this.Execute()
if err != nil {
return 0, err
}
if affectedRows == 0 && mustSucceed {
return 0, dbx.NewOptimisticLockFail(fmt.Sprintf("goSQL: Optimistic Lock Fail when deleting record for %+v", value))
}
// post trigger
if t, isT := value.(PostDeleter); isT {
t.PostDelete(this.GetDb())
}
return affectedRows, nil
}
//Updates all the columns of the table to matching struct fields.
//Returns the number of affected rows
func (this *Update) Submit(instance interface{}) (int64, error) {
var invalid bool
typ := reflect.TypeOf(instance)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
if typ.Kind() != reflect.Struct {
invalid = true
}
} else {
invalid = true
}
if invalid {
return 0, errors.New("The argument must be a struct pointer")
}
var mappings map[string]*EntityProperty
var criterias []*Criteria
if typ == this.lastType {
mappings = this.lastMappings
} else {
mappings = PopulateMapping("", typ)
criterias = make([]*Criteria, 0)
this.criteria = nil
this.lastMappings = mappings
this.lastType = typ
}
var id interface{}
var ver int64
var verColumn *Column
elem := reflect.ValueOf(instance)
if elem.Kind() == reflect.Ptr {
elem = elem.Elem()
}
var marks map[string]bool
markable, isMarkable := instance.(Markable)
if isMarkable {
marks = markable.Marks()
}
useMarks := len(marks) > 0
for e := this.table.GetColumns().Enumerator(); e.HasNext(); {
column := e.Next().(*Column)
alias := column.GetAlias()
bp := mappings[alias]
if bp != nil {
val := bp.Get(elem)
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
if column.IsKey() {
if !val.IsValid() || (val.Kind() == reflect.Ptr && val.IsNil()) {
return 0, errors.New(fmt.Sprintf("goSQL: Value for key property '%s' cannot be nil.", alias))
}
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
id = val.Interface()
if criterias != nil {
criterias = append(criterias, column.Matches(Param(alias)))
}
this.SetParameter(alias, id)
} else if column.IsVersion() {
if !val.IsValid() || (val.Kind() == reflect.Ptr && val.IsNil()) {
panic(fmt.Sprintf("goSQL: Value for version property '%s' cannot be nil.", alias))
}
if val.Kind() == reflect.Ptr {
val = val.Elem()
}
ver = val.Int()
// if version is 0 it means an update where optimistic locking is ignored
if ver != 0 {
alias_old := alias + "_old"
if criterias != nil {
criterias = append(criterias, column.Matches(Param(alias_old)))
}
this.SetParameter(alias_old, ver)
// increments the version
this.Set(column, ver+1)
verColumn = column
}
} else {
var marked = useMarks && marks[column.GetAlias()]
if val.IsValid() && (!useMarks || marked) {
var isNil bool
if val.Kind() == reflect.Ptr {
isNil = val.IsNil()
if isNil {
if marked || acceptField(bp.Tag, nil) {
this.Set(column, nil)
}
} else {
val = val.Elem()
}
}
if !isNil {
v := val.Interface()
switch T := v.(type) {
case driver.Valuer:
value, err := T.Value()
if err != nil {
return 0, err
}
if marked || acceptField(bp.Tag, value) {
this.Set(column, value)
}
default:
if marked || acceptField(bp.Tag, v) {
this.Set(column, v)
}
}
}
}
}
}
}
if criterias != nil {
this.Where(criterias...)
this.rawSQL = nil
}
// pre trigger
if t, isT := instance.(PreUpdater); isT {
err := t.PreUpdate(this.GetDb())
if err != nil {
return 0, err
}
}
affectedRows, err := this.Execute()
if err != nil {
return 0, err
}
if verColumn != nil {
if affectedRows == 0 {
return 0, dbx.NewOptimisticLockFail(fmt.Sprintf("Optimistic Lock Error: Unable to UPDATE record with id=%v and version=%v for table %s",
id, ver, this.GetTable().GetName()))
}
ver += 1
bp := mappings[verColumn.GetAlias()]
bp.Set(elem, reflect.ValueOf(&ver))
}
// post trigger
if t, isT := instance.(PostUpdater); isT {
t.PostUpdate(this.GetDb())
}
if isMarkable {
markable.Unmark()
}
return affectedRows, nil
}
. "github.com/quintans/toolkit/ext"
"github.com/quintans/toolkit/web/app"
"crypto/tls"
"fmt"
"net"
"net/smtp"
"time"
)
const FAULT_BIZ = "BIZ"
var (
AbsentBoardFault = dbx.NewPersistenceFail(FAULT_BIZ, "The Board no longer exists")
AbsentLaneFault = dbx.NewPersistenceFail(FAULT_BIZ, "The Lane no longer exists")
OptimistickLockFault = dbx.NewOptimisticLockFail("Unable to apply changes due to a concurrent access. Try again.")
)
var _ service.ITaskBoardService = &TaskBoardServiceImpl{}
type TaskBoardServiceImpl struct {
}
func (this *TaskBoardServiceImpl) WhoAmI(c maze.IContext) (dto.IdentityDTO, error) {
ctx := c.(*AppCtx)
p := ctx.Principal
identity := dto.IdentityDTO{}
identity.Id = &p.UserId
var name string
ctx.Store.Query(T.USER).Column(T.USER_C_NAME).
Where(T.USER_C_ID.Matches(p.UserId)).
