mirror of
https://github.com/ent/ent.git
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102 lines
3.0 KiB
Go
102 lines
3.0 KiB
Go
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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// Code generated by entc, DO NOT EDIT.
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package hook
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import (
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"context"
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"fmt"
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"github.com/facebookincubator/ent/entc/integration/ent"
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"github.com/facebookincubator/ent/entc/integration/migrate/entv2"
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)
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// The CarFunc type is an adapter to allow the use of ordinary
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// function as Car mutator.
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type CarFunc func(context.Context, *entv2.CarMutation) (entv2.Value, error)
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// Mutate calls f(ctx, m).
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func (f CarFunc) Mutate(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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mv, ok := m.(*entv2.CarMutation)
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T. expect *entv2.CarMutation", m)
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}
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return f(ctx, mv)
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}
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// The GroupFunc type is an adapter to allow the use of ordinary
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// function as Group mutator.
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type GroupFunc func(context.Context, *entv2.GroupMutation) (entv2.Value, error)
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// Mutate calls f(ctx, m).
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func (f GroupFunc) Mutate(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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mv, ok := m.(*entv2.GroupMutation)
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T. expect *entv2.GroupMutation", m)
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}
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return f(ctx, mv)
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}
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// The PetFunc type is an adapter to allow the use of ordinary
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// function as Pet mutator.
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type PetFunc func(context.Context, *entv2.PetMutation) (entv2.Value, error)
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// Mutate calls f(ctx, m).
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func (f PetFunc) Mutate(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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mv, ok := m.(*entv2.PetMutation)
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T. expect *entv2.PetMutation", m)
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}
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return f(ctx, mv)
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}
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// The UserFunc type is an adapter to allow the use of ordinary
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// function as User mutator.
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type UserFunc func(context.Context, *entv2.UserMutation) (entv2.Value, error)
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// Mutate calls f(ctx, m).
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func (f UserFunc) Mutate(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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mv, ok := m.(*entv2.UserMutation)
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if !ok {
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return nil, fmt.Errorf("unexpected mutation type %T. expect *entv2.UserMutation", m)
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}
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return f(ctx, mv)
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}
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// On executes the given hook only of the given operation.
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//
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// hook.On(Log, entv2.Delete|entv2.Create)
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//
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func On(hk entv2.Hook, op entv2.Op) entv2.Hook {
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return func(next entv2.Mutator) entv2.Mutator {
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return entv2.MutateFunc(func(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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if m.Op().Is(op) {
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return hk(next).Mutate(ctx, m)
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}
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return next.Mutate(ctx, m)
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})
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}
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}
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// Reject returns a hook that rejects all operations that match op.
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//
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// func (T) Hooks() []entv2.Hook {
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// return []entv2.Hook{
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// Reject(entv2.Delete|entv2.Update),
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// }
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// }
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//
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func Reject(op entv2.Op) ent.Hook {
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return func(next entv2.Mutator) entv2.Mutator {
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return entv2.MutateFunc(func(ctx context.Context, m entv2.Mutation) (entv2.Value, error) {
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if m.Op().Is(op) {
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return nil, fmt.Errorf("%s operation is not allowed", m.Op())
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}
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return next.Mutate(ctx, m)
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})
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}
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}
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