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friendship.go
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friendship.go
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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 ent, DO NOT EDIT.
package ent
import (
"fmt"
"strings"
"time"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/entc/integration/multischema/ent/friendship"
"entgo.io/ent/entc/integration/multischema/ent/user"
)
// Friendship is the model entity for the Friendship schema.
type Friendship struct {
config `json:"-"`
// ID of the ent.
ID int `json:"id,omitempty"`
// Weight holds the value of the "weight" field.
Weight int `json:"weight,omitempty"`
// CreatedAt holds the value of the "created_at" field.
CreatedAt time.Time `json:"created_at,omitempty"`
// UserID holds the value of the "user_id" field.
UserID int `json:"user_id,omitempty"`
// FriendID holds the value of the "friend_id" field.
FriendID int `json:"friend_id,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the FriendshipQuery when eager-loading is set.
Edges FriendshipEdges `json:"edges"`
}
// FriendshipEdges holds the relations/edges for other nodes in the graph.
type FriendshipEdges struct {
// User holds the value of the user edge.
User *User `json:"user,omitempty"`
// Friend holds the value of the friend edge.
Friend *User `json:"friend,omitempty"`
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [2]bool
}
// UserOrErr returns the User value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e FriendshipEdges) UserOrErr() (*User, error) {
if e.loadedTypes[0] {
if e.User == nil {
// Edge was loaded but was not found.
return nil, &NotFoundError{label: user.Label}
}
return e.User, nil
}
return nil, &NotLoadedError{edge: "user"}
}
// FriendOrErr returns the Friend value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e FriendshipEdges) FriendOrErr() (*User, error) {
if e.loadedTypes[1] {
if e.Friend == nil {
// Edge was loaded but was not found.
return nil, &NotFoundError{label: user.Label}
}
return e.Friend, nil
}
return nil, &NotLoadedError{edge: "friend"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Friendship) scanValues(columns []string) ([]any, error) {
values := make([]any, len(columns))
for i := range columns {
switch columns[i] {
case friendship.FieldID, friendship.FieldWeight, friendship.FieldUserID, friendship.FieldFriendID:
values[i] = new(sql.NullInt64)
case friendship.FieldCreatedAt:
values[i] = new(sql.NullTime)
default:
return nil, fmt.Errorf("unexpected column %q for type Friendship", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Friendship fields.
func (f *Friendship) assignValues(columns []string, values []any) 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 friendship.FieldID:
value, ok := values[i].(*sql.NullInt64)
if !ok {
return fmt.Errorf("unexpected type %T for field id", value)
}
f.ID = int(value.Int64)
case friendship.FieldWeight:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for field weight", values[i])
} else if value.Valid {
f.Weight = int(value.Int64)
}
case friendship.FieldCreatedAt:
if value, ok := values[i].(*sql.NullTime); !ok {
return fmt.Errorf("unexpected type %T for field created_at", values[i])
} else if value.Valid {
f.CreatedAt = value.Time
}
case friendship.FieldUserID:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for field user_id", values[i])
} else if value.Valid {
f.UserID = int(value.Int64)
}
case friendship.FieldFriendID:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for field friend_id", values[i])
} else if value.Valid {
f.FriendID = int(value.Int64)
}
}
}
return nil
}
// QueryUser queries the "user" edge of the Friendship entity.
func (f *Friendship) QueryUser() *UserQuery {
return NewFriendshipClient(f.config).QueryUser(f)
}
// QueryFriend queries the "friend" edge of the Friendship entity.
func (f *Friendship) QueryFriend() *UserQuery {
return NewFriendshipClient(f.config).QueryFriend(f)
}
// Update returns a builder for updating this Friendship.
// Note that you need to call Friendship.Unwrap() before calling this method if this Friendship
// was returned from a transaction, and the transaction was committed or rolled back.
func (f *Friendship) Update() *FriendshipUpdateOne {
return NewFriendshipClient(f.config).UpdateOne(f)
}
// Unwrap unwraps the Friendship 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 (f *Friendship) Unwrap() *Friendship {
_tx, ok := f.config.driver.(*txDriver)
if !ok {
panic("ent: Friendship is not a transactional entity")
}
f.config.driver = _tx.drv
return f
}
// String implements the fmt.Stringer.
func (f *Friendship) String() string {
var builder strings.Builder
builder.WriteString("Friendship(")
builder.WriteString(fmt.Sprintf("id=%v, ", f.ID))
builder.WriteString("weight=")
builder.WriteString(fmt.Sprintf("%v", f.Weight))
builder.WriteString(", ")
builder.WriteString("created_at=")
builder.WriteString(f.CreatedAt.Format(time.ANSIC))
builder.WriteString(", ")
builder.WriteString("user_id=")
builder.WriteString(fmt.Sprintf("%v", f.UserID))
builder.WriteString(", ")
builder.WriteString("friend_id=")
builder.WriteString(fmt.Sprintf("%v", f.FriendID))
builder.WriteByte(')')
return builder.String()
}
// Friendships is a parsable slice of Friendship.
type Friendships []*Friendship
func (f Friendships) config(cfg config) {
for _i := range f {
f[_i].config = cfg
}
}