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health.go
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health.go
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// Copyright © 2024 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package web
import (
"context"
"go.thethings.network/lorawan-stack/v3/pkg/applicationserver/io/web/internal"
"go.thethings.network/lorawan-stack/v3/pkg/applicationserver/io/web/sink"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
)
type healthStatusRegistry struct {
registry WebhookRegistry
}
// Get implements HealthStatusRegistry.
func (reg *healthStatusRegistry) Get(ctx context.Context) (*ttnpb.ApplicationWebhookHealth, error) {
ids := internal.WebhookIDFromContext(ctx)
web, err := reg.registry.Get(ctx, ids, []string{"health_status"})
if err != nil {
return nil, err
}
return web.HealthStatus, nil
}
// Set implements HealthStatusRegistry.
func (reg *healthStatusRegistry) Set(
ctx context.Context, f func(*ttnpb.ApplicationWebhookHealth) (*ttnpb.ApplicationWebhookHealth, error),
) error {
ids := internal.WebhookIDFromContext(ctx)
_, err := reg.registry.Set(
ctx,
ids,
[]string{"health_status"},
func(wh *ttnpb.ApplicationWebhook) (*ttnpb.ApplicationWebhook, []string, error) {
if wh == nil {
// The webhook has been deleted during execution.
return nil, nil, nil
}
updated, err := f(wh.HealthStatus)
if err != nil {
return nil, nil, err
}
wh.HealthStatus = updated
return wh, []string{"health_status"}, nil
},
)
return err
}
// NewHealthStatusRegistry constructs a HealthStatusRegistry on top of the provided WebhookRegistry.
func NewHealthStatusRegistry(registry WebhookRegistry) sink.HealthStatusRegistry {
return &healthStatusRegistry{registry}
}
type cachedHealthStatusRegistry struct {
registry sink.HealthStatusRegistry
}
// Get implements HealthStatusRegistry.
func (reg *cachedHealthStatusRegistry) Get(ctx context.Context) (*ttnpb.ApplicationWebhookHealth, error) {
if h, ok := internal.WebhookHealthFromContext(ctx); ok {
return h, nil
}
return reg.registry.Get(ctx)
}
// Set implements HealthStatusRegistry.
func (reg *cachedHealthStatusRegistry) Set(
ctx context.Context, f func(*ttnpb.ApplicationWebhookHealth) (*ttnpb.ApplicationWebhookHealth, error),
) error {
return reg.registry.Set(ctx, f)
}
// NewCachedHealthStatusRegistry constructs a HealthStatusRegistry which allows the Get response to be cached.
func NewCachedHealthStatusRegistry(registry sink.HealthStatusRegistry) sink.HealthStatusRegistry {
return &cachedHealthStatusRegistry{registry}
}