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LibraryQueryBase.go
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LibraryQueryBase.go
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package library
import (
"context"
"github.com/go-ee/utils/eh"
"github.com/google/uuid"
"github.com/looplab/eventhorizon"
)
type BookQueryRepository struct {
repo eventhorizon.ReadRepo `json:"repo" eh:"optional"`
context context.Context `json:"context" eh:"optional"`
}
func NewBookQueryRepository(repo eventhorizon.ReadRepo, context context.Context) (ret *BookQueryRepository) {
ret = &BookQueryRepository{
repo: repo,
context: context,
}
return
}
func (o *BookQueryRepository) FindByTitle(title string) (ret *Book, err error) {
err = eh.QueryNotImplemented("findBookByTitle")
return
}
func (o *BookQueryRepository) FindByPattern(pattern string) (ret *Book, err error) {
err = eh.QueryNotImplemented("findBookByPattern")
return
}
func (o *BookQueryRepository) FindAll() (ret []*Book, err error) {
var result []eventhorizon.Entity
if result, err = o.repo.FindAll(o.context); err == nil {
ret = make([]*Book, len(result))
for i, e := range result {
ret[i] = e.(*Book)
}
}
return
}
func (o *BookQueryRepository) FindById(id uuid.UUID) (ret *Book, err error) {
var result eventhorizon.Entity
if result, err = o.repo.Find(o.context, id); err == nil {
ret = result.(*Book)
}
return
}
func (o *BookQueryRepository) CountAll() (ret int, err error) {
var result []*Book
if result, err = o.FindAll(); err == nil {
ret = len(result)
}
return
}
func (o *BookQueryRepository) CountById(id uuid.UUID) (ret int, err error) {
var result *Book
if result, err = o.FindById(id); err == nil && result != nil {
ret = 1
}
return
}
func (o *BookQueryRepository) ExistAll() (ret bool, err error) {
var result int
if result, err = o.CountAll(); err == nil {
ret = result > 0
}
return
}
func (o *BookQueryRepository) ExistById(id uuid.UUID) (ret bool, err error) {
var result int
if result, err = o.CountById(id); err == nil {
ret = result > 0
}
return
}