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// Copyright 2019-present Facebook Inc. 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 ent
import (
"context"
"errors"
"fmt"
"github.com/facebook/ent/dialect/gremlin"
"github.com/facebook/ent/dialect/gremlin/graph/dsl"
"github.com/facebook/ent/dialect/gremlin/graph/dsl/__"
"github.com/facebook/ent/dialect/gremlin/graph/dsl/g"
"github.com/facebook/ent/dialect/gremlin/graph/dsl/p"
"github.com/facebook/ent/entc/integration/gremlin/ent/comment"
)
// CommentCreate is the builder for creating a Comment entity.
type CommentCreate struct {
config
mutation *CommentMutation
hooks []Hook
}
// SetUniqueInt sets the "unique_int" field.
func (cc *CommentCreate) SetUniqueInt(i int) *CommentCreate {
cc.mutation.SetUniqueInt(i)
return cc
}
// SetUniqueFloat sets the "unique_float" field.
func (cc *CommentCreate) SetUniqueFloat(f float64) *CommentCreate {
cc.mutation.SetUniqueFloat(f)
return cc
}
// SetNillableInt sets the "nillable_int" field.
func (cc *CommentCreate) SetNillableInt(i int) *CommentCreate {
cc.mutation.SetNillableInt(i)
return cc
}
// SetNillableNillableInt sets the "nillable_int" field if the given value is not nil.
func (cc *CommentCreate) SetNillableNillableInt(i *int) *CommentCreate {
if i != nil {
cc.SetNillableInt(*i)
}
return cc
}
// Mutation returns the CommentMutation object of the builder.
func (cc *CommentCreate) Mutation() *CommentMutation {
return cc.mutation
}
// Save creates the Comment in the database.
func (cc *CommentCreate) Save(ctx context.Context) (*Comment, error) {
var (
err error
node *Comment
)
if len(cc.hooks) == 0 {
if err = cc.check(); err != nil {
return nil, err
}
node, err = cc.gremlinSave(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*CommentMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
if err = cc.check(); err != nil {
return nil, err
}
cc.mutation = mutation
node, err = cc.gremlinSave(ctx)
mutation.done = true
return node, err
})
for i := len(cc.hooks) - 1; i >= 0; i-- {
mut = cc.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, cc.mutation); err != nil {
return nil, err
}
}
return node, err
}
// SaveX calls Save and panics if Save returns an error.
func (cc *CommentCreate) SaveX(ctx context.Context) *Comment {
v, err := cc.Save(ctx)
if err != nil {
panic(err)
}
return v
}
// check runs all checks and user-defined validators on the builder.
func (cc *CommentCreate) check() error {
if _, ok := cc.mutation.UniqueInt(); !ok {
return &ValidationError{Name: "unique_int", err: errors.New("ent: missing required field \"unique_int\"")}
}
if _, ok := cc.mutation.UniqueFloat(); !ok {
return &ValidationError{Name: "unique_float", err: errors.New("ent: missing required field \"unique_float\"")}
}
return nil
}
func (cc *CommentCreate) gremlinSave(ctx context.Context) (*Comment, error) {
res := &gremlin.Response{}
query, bindings := cc.gremlin().Query()
if err := cc.driver.Exec(ctx, query, bindings, res); err != nil {
return nil, err
}
if err, ok := isConstantError(res); ok {
return nil, err
}
c := &Comment{config: cc.config}
if err := c.FromResponse(res); err != nil {
return nil, err
}
return c, nil
}
func (cc *CommentCreate) gremlin() *dsl.Traversal {
type constraint struct {
pred *dsl.Traversal // constraint predicate.
test *dsl.Traversal // test matches and its constant.
}
constraints := make([]*constraint, 0, 2)
v := g.AddV(comment.Label)
if value, ok := cc.mutation.UniqueInt(); ok {
constraints = append(constraints, &constraint{
pred: g.V().Has(comment.Label, comment.FieldUniqueInt, value).Count(),
test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(comment.Label, comment.FieldUniqueInt, value)),
})
v.Property(dsl.Single, comment.FieldUniqueInt, value)
}
if value, ok := cc.mutation.UniqueFloat(); ok {
constraints = append(constraints, &constraint{
pred: g.V().Has(comment.Label, comment.FieldUniqueFloat, value).Count(),
test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(comment.Label, comment.FieldUniqueFloat, value)),
})
v.Property(dsl.Single, comment.FieldUniqueFloat, value)
}
if value, ok := cc.mutation.NillableInt(); ok {
v.Property(dsl.Single, comment.FieldNillableInt, value)
}
if len(constraints) == 0 {
return v.ValueMap(true)
}
tr := constraints[0].pred.Coalesce(constraints[0].test, v.ValueMap(true))
for _, cr := range constraints[1:] {
tr = cr.pred.Coalesce(cr.test, tr)
}
return tr
}
// CommentCreateBulk is the builder for creating many Comment entities in bulk.
type CommentCreateBulk struct {
config
builders []*CommentCreate
}
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