William Petit
3fd8bf7e69
- Sauvegarde de l'adresse courriel de l'utilisateur en session - Implémentation d'une première Query GraphQL pour récupérer le profil de l'utilisateur connecté - Utilisation de la pattern CQRS pour les commandes/requêtes sur la base de données
100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package command
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import (
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"context"
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"github.com/jackc/pgx/v4/pgxpool"
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"forge.cadoles.com/Cadoles/daddy/internal/database"
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"github.com/pkg/errors"
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"gitlab.com/wpetit/goweb/cqrs"
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"gitlab.com/wpetit/goweb/middleware/container"
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)
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const (
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createConnectedUserStatement = `
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INSERT INTO users (email, connected_at) VALUES ($1, now())
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ON CONFLICT ON CONSTRAINT unique_email
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DO UPDATE SET connected_at = now();
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`
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createUserStatement = `
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INSERT INTO users (email) VALUES ($1)
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ON CONFLICT ON CONSTRAINT unique_email
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DO NOTHING;
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`
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)
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type CreateUserCommandRequest struct {
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Email string
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Connected bool
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}
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func HandleCreateUserCommand(ctx context.Context, cmd cqrs.Command) error {
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req, ok := cmd.Request().(*CreateUserCommandRequest)
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if !ok {
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return errors.WithStack(cqrs.ErrUnexpectedRequest)
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}
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ctn, err := container.From(ctx)
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if err != nil {
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return errors.WithStack(err)
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}
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pool, err := database.From(ctn)
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if err != nil {
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return errors.WithStack(err)
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}
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conn, err := pool.Acquire(ctx)
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if err != nil {
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return errors.WithStack(err)
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}
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defer conn.Release()
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if req.Connected {
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if err := createConnectedUser(ctx, conn, req.Email); err != nil {
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return errors.WithStack(err)
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}
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} else {
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if err := createUser(ctx, conn, req.Email); err != nil {
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return errors.WithStack(err)
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}
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}
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return nil
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}
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func createConnectedUser(ctx context.Context, conn *pgxpool.Conn, email string) error {
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_, err := conn.Conn().Prepare(
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ctx, "create_connected_user",
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createConnectedUserStatement,
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)
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if err != nil {
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return errors.WithStack(err)
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}
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if _, err := conn.Exec(ctx, "create_connected_user", email); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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func createUser(ctx context.Context, conn *pgxpool.Conn, email string) error {
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_, err := conn.Conn().Prepare(
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ctx, "create_user",
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createUserStatement,
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)
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if err != nil {
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return errors.WithStack(err)
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}
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if _, err := conn.Exec(ctx, "create_user", email); err != nil {
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return errors.WithStack(err)
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}
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return nil
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}
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