ent/entc/integration/migrate/entv2/pet_create.go

// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by entc, DO NOT EDIT.

package entv2

import (
	"context"
	"fmt"

	"github.com/facebookincubator/ent/dialect/sql/sqlgraph"
	"github.com/facebookincubator/ent/entc/integration/migrate/entv2/pet"
	"github.com/facebookincubator/ent/schema/field"
)

// PetCreate is the builder for creating a Pet entity.
type PetCreate struct {
	config
	mutation *PetMutation
	hooks    []Hook
}

// Save creates the Pet in the database.
func (pc *PetCreate) Save(ctx context.Context) (*Pet, error) {
	var (
		err  error
		node *Pet
	)
	if len(pc.hooks) == 0 {
		node, err = pc.sqlSave(ctx)
	} else {
		var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
			mutation, ok := m.(*PetMutation)
			if !ok {
				return nil, fmt.Errorf("unexpected mutation type %T", m)
			}
			pc.mutation = mutation
			node, err = pc.sqlSave(ctx)
			return node, err
		})
		for i := len(pc.hooks) - 1; i >= 0; i-- {
			mut = pc.hooks[i](mut)
		}
		if _, err := mut.Mutate(ctx, pc.mutation); err != nil {
			return nil, err
		}
	}
	return node, err
}

// SaveX calls Save and panics if Save returns an error.
func (pc *PetCreate) SaveX(ctx context.Context) *Pet {
	v, err := pc.Save(ctx)
	if err != nil {
		panic(err)
	}
	return v
}

func (pc *PetCreate) sqlSave(ctx context.Context) (*Pet, error) {
	var (
		pe    = &Pet{config: pc.config}
		_spec = &sqlgraph.CreateSpec{
			Table: pet.Table,
			ID: &sqlgraph.FieldSpec{
				Type:   field.TypeInt,
				Column: pet.FieldID,
			},
		}
	)
	if err := sqlgraph.CreateNode(ctx, pc.driver, _spec); err != nil {
		if cerr, ok := isSQLConstraintError(err); ok {
			err = cerr
		}
		return nil, err
	}
	id := _spec.ID.Value.(int64)
	pe.ID = int(id)
	return pe, nil
}