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repository.go
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repository.go
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package repository
import (
"context"
"database/sql"
"time"
"github.com/borosr/qa-site/pkg/db"
"github.com/borosr/qa-site/pkg/models"
"github.com/rs/xid"
"github.com/volatiletech/sqlboiler/v4/boil"
"github.com/volatiletech/sqlboiler/v4/queries/qm"
)
const (
getAllSelect = "id, question_id, created_by, answer, created_at, answered"
ratingSum = "(SELECT SUM(sum) as rating FROM (SELECT SUM(value) as sum FROM ratings WHERE record_id=answers.id AND kind='answer' UNION SELECT 0 as sum)) AS rating"
)
type AnswerRepository struct {
db *sql.DB
}
func NewRepository(db *sql.DB) AnswerRepository {
return AnswerRepository{
db: db,
}
}
func (ar AnswerRepository) Insert(ctx context.Context, a models.Answer) (models.Answer, error) {
a.ID = xid.New().String()
a.CreatedAt.SetValid(time.Now())
return a, a.Insert(ctx, ar.db, boil.Infer())
}
func (ar AnswerRepository) Update(ctx context.Context, a models.Answer) (models.Answer, error) {
_, err := a.Update(ctx, db.Get(), boil.Infer())
return a, err
}
func (ar AnswerRepository) FindAnswersCreatedBy(ctx context.Context, ownerID string) ([]AnswerWithRating, error) {
var resp []AnswerWithRating
if err := models.Answers(
qm.Select(getAllSelect, ratingSum),
qm.Where("created_by=?", ownerID),
).Bind(ctx, ar.db, &resp);
err != nil {
return nil, err
}
return resp, nil
}
func (ar AnswerRepository) FindMyAnswer(ctx context.Context, ownerID, id string) (*models.Answer, error) {
return models.Answers(qm.Where("id=?", id), qm.And("created_by=?", ownerID)).One(ctx, ar.db)
}
func (ar AnswerRepository) FindAnswersQuestionID(ctx context.Context, questionID string) ([]AnswerWithRating, error) {
var resp []AnswerWithRating
if err := models.Answers(
qm.Select(getAllSelect, ratingSum),
qm.Where("question_id=?", questionID),
).Bind(ctx, ar.db, &resp);
err != nil {
return nil, err
}
return resp, nil
}
func (ar AnswerRepository) SetAnswered(ctx context.Context, ID, questionID string) (models.Answer, error) {
answer, err := models.Answers(qm.Where("id=?", ID), qm.And("question_id=?", questionID)).One(ctx, ar.db)
if err != nil {
return models.Answer{}, err
}
answer.Answered.SetValid(true)
if _, err := answer.Update(ctx, ar.db, boil.Infer()); err != nil {
return models.Answer{}, err
}
return *answer, nil
}