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answer_service.go
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/
answer_service.go
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package service
import (
"context"
"time"
"github.com/sinisaos/fiber-ent-admin/ent"
"github.com/sinisaos/fiber-ent-admin/ent/answer"
"github.com/sinisaos/fiber-ent-admin/ent/predicate"
"github.com/sinisaos/fiber-ent-admin/pkg/model"
)
type AnswerService struct {
Client *ent.Client
}
func NewAnswerService(client *ent.Client) *AnswerService {
return &AnswerService{
Client: client,
}
}
func (s AnswerService) GetAllAnswers(start int, end int, sort string, order string, content string) ([]*ent.Answer, error) {
var orderFunc []answer.OrderOption
var predicateAnswer []predicate.Answer
if content != "" {
predicateAnswer = append(predicateAnswer, answer.ContentContainsFold(content))
}
if order != "" {
if order == "ASC" {
orderFunc = append(orderFunc, ent.Asc(sort))
} else {
orderFunc = append(orderFunc, ent.Desc(sort))
}
}
answers, _ := s.Client.Answer.Query().
Where(predicateAnswer...).
WithAuthor().
WithQuestion().
Limit(end - start).
Offset(start).
Order(orderFunc...).
All(context.Background())
return answers, nil
}
func (s AnswerService) CountAnswers() (int, error) {
count, _ := s.Client.Answer.Query().
Aggregate(
ent.Count(),
).
Int(context.Background())
return count, nil
}
func (s AnswerService) GetAnswer(id int) (*ent.Answer, error) {
answer, err := s.Client.Answer.Query().
Where(answer.IDEQ(id)).
WithAuthor().
WithQuestion().
Only(context.Background())
if err != nil {
return nil, err
}
return answer, nil
}
func (s AnswerService) CreateAnswer(payload *model.NewAnswerInput) (*ent.Answer, error) {
answer, err := s.Client.Answer.Create().
SetContent(payload.Content).
SetCreatedAt(time.Now()).
SetAuthorID(payload.Author).
SetQuestionID(payload.Question).
Save(context.Background())
if err != nil {
return nil, err
}
return answer, nil
}
func (s AnswerService) UpdateAnswer(id int, payload *model.UpdateAnswerInput) (*ent.Answer, error) {
answer, err := s.Client.Answer.UpdateOneID(id).
SetContent(payload.Content).
Save(context.Background())
if err != nil {
return nil, err
}
return answer, nil
}
func (s AnswerService) DeleteAnswer(id int) error {
err := s.Client.Answer.DeleteOneID(id).Exec(context.Background())
if err != nil {
return err
}
return nil
}
func (s AnswerService) GetAnswerAuthor(id int) (*ent.Answer, error) {
answer, _ := s.Client.Answer.Query().
Where(answer.IDEQ(id)).
WithAuthor().
Only(context.Background())
return answer, nil
}
func (s AnswerService) GetAnswerQuestion(id int) (*ent.Answer, error) {
answer, _ := s.Client.Answer.Query().
Where(answer.IDEQ(id)).
WithQuestion().
Only(context.Background())
return answer, nil
}