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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/dialect/sql"
"github.com/facebook/ent/examples/start/ent/group"
)
// Group is the model entity for the Group schema.
type Group struct {
config `json:"-"`
// ID of the ent.
ID int `json:"id,omitempty"`
// Name holds the value of the "name" field.
Name string `json:"name,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the GroupQuery when eager-loading is set.
Edges GroupEdges `json:"edges"`
}
// GroupEdges holds the relations/edges for other nodes in the graph.
type GroupEdges struct {
// Users holds the value of the users edge.
Users []*User
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [1]bool
}
// UsersOrErr returns the Users value or an error if the edge
// was not loaded in eager-loading.
func (e GroupEdges) UsersOrErr() ([]*User, error) {
if e.loadedTypes[0] {
return e.Users, nil
}
return nil, &NotLoadedError{edge: "users"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Group) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case group.FieldID:
values[i] = &sql.NullInt64{}
case group.FieldName:
values[i] = &sql.NullString{}
default:
return nil, fmt.Errorf("unexpected column %q for type Group", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Group fields.
func (gr *Group) 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 group.FieldID:
value, ok := values[i].(*sql.NullInt64)
if !ok {
return fmt.Errorf("unexpected type %T for field id", value)
}
gr.ID = int(value.Int64)
case group.FieldName:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field name", values[i])
} else if value.Valid {
gr.Name = value.String
}
}
}
return nil
}
// QueryUsers queries the "users" edge of the Group entity.
func (gr *Group) QueryUsers() *UserQuery {
return (&GroupClient{config: gr.config}).QueryUsers(gr)
}
// Update returns a builder for updating this Group.
// Note that you need to call Group.Unwrap() before calling this method if this Group
// was returned from a transaction, and the transaction was committed or rolled back.
func (gr *Group) Update() *GroupUpdateOne {
return (&GroupClient{config: gr.config}).UpdateOne(gr)
}
// Unwrap unwraps the Group 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 (gr *Group) Unwrap() *Group {
tx, ok := gr.config.driver.(*txDriver)
if !ok {
panic("ent: Group is not a transactional entity")
}
gr.config.driver = tx.drv
return gr
}
// String implements the fmt.Stringer.
func (gr *Group) String() string {
var builder strings.Builder
builder.WriteString("Group(")
builder.WriteString(fmt.Sprintf("id=%v", gr.ID))
builder.WriteString(", name=")
builder.WriteString(gr.Name)
builder.WriteByte(')')
return builder.String()
}
// Groups is a parsable slice of Group.
type Groups []*Group
func (gr Groups) config(cfg config) {
for _i := range gr {
gr[_i].config = cfg
}
}
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