go__ent_demo/start/user.go

package main

import (
	"context"
	"fmt"
	"log"

	"code.osinet.fr/fgm/go__ent_demo/ent"
	"code.osinet.fr/fgm/go__ent_demo/ent/user"
)

func CreateUser(ctx context.Context, client *ent.Client) (*ent.User, error) {
	u, err := client.User.
		Create().
		SetAge(30).
		SetName(name).
		Save(ctx)
	if err != nil {
		return nil, fmt.Errorf("failed creating user: %w", err)
	}
	log.Println("User created ", u)
	return u, nil
}

func QueryUser(ctx context.Context, client *ent.Client) (*ent.User, error) {
	u, err := client.User.
		Query().
		Where(user.Name(name)).
		// `Only` fails if no user found or more than 1 user returned.
		Only(ctx)
	if err != nil {
		return nil, fmt.Errorf("failed querying user: %w", err)
	}
	log.Println("user found: ", u)
	return u, nil
}