daddy/internal/query/find_user.go

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package query
import (
"context"
"forge.cadoles.com/Cadoles/daddy/internal/graph/model"
"forge.cadoles.com/Cadoles/daddy/internal/database"
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/cqrs"
"gitlab.com/wpetit/goweb/middleware/container"
)
const (
findUserStatement = `SELECT email, connected_at, created_at FROM users WHERE email = $1`
)
type FindUserQueryRequest struct {
Email string
}
type FindUserData struct {
User *model.User
}
func HandleFindUserQuery(ctx context.Context, qry cqrs.Query) (interface{}, error) {
req, ok := qry.Request().(*FindUserQueryRequest)
if !ok {
return nil, errors.WithStack(cqrs.ErrUnexpectedRequest)
}
ctn, err := container.From(ctx)
if err != nil {
return nil, errors.WithStack(err)
}
pool, err := database.From(ctn)
if err != nil {
return nil, errors.WithStack(err)
}
conn, err := pool.Acquire(ctx)
if err != nil {
return nil, errors.WithStack(err)
}
defer conn.Release()
_, err = conn.Conn().Prepare(
ctx, "find_user",
findUserStatement,
)
if err != nil {
return nil, errors.WithStack(err)
}
user := &model.User{}
err = conn.QueryRow(ctx, "find_user", req.Email).
Scan(&user.Email, &user.ConnectedAt, &user.CreatedAt)
if err != nil {
return nil, errors.WithStack(err)
}
data := &FindUserData{
User: user,
}
return data, nil
}