mirror of https://github.com/harness/drone.git
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cache
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import (
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"context"
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"fmt"
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"time"
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"github.com/harness/gitness/app/store"
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"github.com/harness/gitness/cache"
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"github.com/harness/gitness/types"
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)
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func NewRepoIDCache(
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appCtx context.Context,
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repoStore store.RepoStore,
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evictorSpace Evictor[*types.SpaceCore],
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evictorRepo Evictor[*types.RepositoryCore],
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dur time.Duration,
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) store.RepoIDCache {
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c := cache.New[int64, *types.RepositoryCore](repoIDCacheGetter{repoStore: repoStore}, dur)
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// In case when a space is updated, it's possible that a repo in the cache belongs the space or one of its parents.
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// Rather than to dig through the cache to find if this is actually the case, it's simpler to clear the cache.
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// Update of a space core (space identifier or space path) is a rare operation, so clearing cache is justified.
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evictorSpace.Subscribe(appCtx, func(*types.SpaceCore) error {
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c.EvictAll(appCtx)
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return nil
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})
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evictorRepo.Subscribe(appCtx, func(repoCore *types.RepositoryCore) error {
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c.Evict(appCtx, repoCore.ID)
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return nil
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})
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return c
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}
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type repoIDCacheGetter struct {
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repoStore store.RepoStore
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}
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func (c repoIDCacheGetter) Find(ctx context.Context, repoID int64) (*types.RepositoryCore, error) {
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repo, err := c.repoStore.Find(ctx, repoID)
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if err != nil {
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return nil, fmt.Errorf("failed to find repo by ID: %w", err)
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}
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return repo.Core(), nil
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}
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