forked from Shiloh/githaven
719bddcd76
* Some refactors related repository model * Move more methods out of repository * Move repository into models/repo * Fix test * Fix test * some improvements * Remove unnecessary function
97 lines
2.0 KiB
Go
97 lines
2.0 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package code
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import (
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"fmt"
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"sync"
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repo_model "code.gitea.io/gitea/models/repo"
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)
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var (
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indexer = newWrappedIndexer()
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)
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// ErrWrappedIndexerClosed is the error returned if the indexer was closed before it was ready
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var ErrWrappedIndexerClosed = fmt.Errorf("Indexer closed before ready")
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type wrappedIndexer struct {
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internal Indexer
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lock sync.RWMutex
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cond *sync.Cond
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closed bool
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}
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func newWrappedIndexer() *wrappedIndexer {
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w := &wrappedIndexer{}
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w.cond = sync.NewCond(w.lock.RLocker())
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return w
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}
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func (w *wrappedIndexer) set(indexer Indexer) {
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w.lock.Lock()
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defer w.lock.Unlock()
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if w.closed {
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// Too late!
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indexer.Close()
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}
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w.internal = indexer
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w.cond.Broadcast()
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}
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func (w *wrappedIndexer) get() (Indexer, error) {
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w.lock.RLock()
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defer w.lock.RUnlock()
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if w.internal == nil {
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if w.closed {
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return nil, ErrWrappedIndexerClosed
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}
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w.cond.Wait()
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if w.closed {
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return nil, ErrWrappedIndexerClosed
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}
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}
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return w.internal, nil
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}
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func (w *wrappedIndexer) Index(repo *repo_model.Repository, sha string, changes *repoChanges) error {
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indexer, err := w.get()
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if err != nil {
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return err
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}
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return indexer.Index(repo, sha, changes)
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}
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func (w *wrappedIndexer) Delete(repoID int64) error {
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indexer, err := w.get()
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if err != nil {
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return err
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}
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return indexer.Delete(repoID)
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}
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func (w *wrappedIndexer) Search(repoIDs []int64, language, keyword string, page, pageSize int, isMatch bool) (int64, []*SearchResult, []*SearchResultLanguages, error) {
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indexer, err := w.get()
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if err != nil {
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return 0, nil, nil, err
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}
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return indexer.Search(repoIDs, language, keyword, page, pageSize, isMatch)
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}
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func (w *wrappedIndexer) Close() {
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w.lock.Lock()
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defer w.lock.Unlock()
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if w.closed {
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return
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}
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w.closed = true
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w.cond.Broadcast()
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if w.internal != nil {
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w.internal.Close()
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}
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}
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