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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 (
"fmt"
"strings"
"github.com/facebook/ent/entc/integration/customid/ent/blob"
"github.com/google/uuid"
)
// Blob is the model entity for the Blob schema.
type Blob struct {
config `json:"-"`
// ID of the ent.
ID uuid.UUID `json:"id,omitempty"`
// UUID holds the value of the "uuid" field.
UUID uuid.UUID `json:"uuid,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the BlobQuery when eager-loading is set.
Edges BlobEdges `json:"edges"`
blob_parent *uuid.UUID
}
// BlobEdges holds the relations/edges for other nodes in the graph.
type BlobEdges struct {
// Parent holds the value of the parent edge.
Parent *Blob
// Links holds the value of the links edge.
Links []*Blob
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [2]bool
}
// ParentOrErr returns the Parent value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e BlobEdges) ParentOrErr() (*Blob, error) {
if e.loadedTypes[0] {
if e.Parent == nil {
// The edge parent was loaded in eager-loading,
// but was not found.
return nil, &NotFoundError{label: blob.Label}
}
return e.Parent, nil
}
return nil, &NotLoadedError{edge: "parent"}
}
// LinksOrErr returns the Links value or an error if the edge
// was not loaded in eager-loading.
func (e BlobEdges) LinksOrErr() ([]*Blob, error) {
if e.loadedTypes[1] {
return e.Links, nil
}
return nil, &NotLoadedError{edge: "links"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Blob) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case blob.FieldID, blob.FieldUUID:
values[i] = &uuid.UUID{}
case blob.ForeignKeys[0]: // blob_parent
values[i] = &uuid.UUID{}
default:
return nil, fmt.Errorf("unexpected column %q for type Blob", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Blob fields.
func (b *Blob) assignValues(columns []string, values []interface{}) error {
if m, n := len(values), len(columns); m < n {
return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
}
for i := range columns {
switch columns[i] {
case blob.FieldID:
if value, ok := values[i].(*uuid.UUID); !ok {
return fmt.Errorf("unexpected type %T for field id", values[i])
} else if value != nil {
b.ID = *value
}
case blob.FieldUUID:
if value, ok := values[i].(*uuid.UUID); !ok {
return fmt.Errorf("unexpected type %T for field uuid", values[i])
} else if value != nil {
b.UUID = *value
}
case blob.ForeignKeys[0]:
if value, ok := values[i].(*uuid.UUID); !ok {
return fmt.Errorf("unexpected type %T for field blob_parent", values[i])
} else if value != nil {
b.blob_parent = value
}
}
}
return nil
}
// QueryParent queries the "parent" edge of the Blob entity.
func (b *Blob) QueryParent() *BlobQuery {
return (&BlobClient{config: b.config}).QueryParent(b)
}
// QueryLinks queries the "links" edge of the Blob entity.
func (b *Blob) QueryLinks() *BlobQuery {
return (&BlobClient{config: b.config}).QueryLinks(b)
}
// Update returns a builder for updating this Blob.
// Note that you need to call Blob.Unwrap() before calling this method if this Blob
// was returned from a transaction, and the transaction was committed or rolled back.
func (b *Blob) Update() *BlobUpdateOne {
return (&BlobClient{config: b.config}).UpdateOne(b)
}
// Unwrap unwraps the Blob entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (b *Blob) Unwrap() *Blob {
tx, ok := b.config.driver.(*txDriver)
if !ok {
panic("ent: Blob is not a transactional entity")
}
b.config.driver = tx.drv
return b
}
// String implements the fmt.Stringer.
func (b *Blob) String() string {
var builder strings.Builder
builder.WriteString("Blob(")
builder.WriteString(fmt.Sprintf("id=%v", b.ID))
builder.WriteString(", uuid=")
builder.WriteString(fmt.Sprintf("%v", b.UUID))
builder.WriteByte(')')
return builder.String()
}
// Blobs is a parsable slice of Blob.
type Blobs []*Blob
func (b Blobs) config(cfg config) {
for _i := range b {
b[_i].config = cfg
}
}
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