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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -41,5 +41,6 @@ coverage.out | |
| /dist | ||
| /custom | ||
| /data | ||
| /indexers | ||
| /log | ||
| /public/img/avatar | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,183 @@ | ||
| // Copyright 2017 The Gitea Authors. All rights reserved. | ||
| // Use of this source code is governed by a MIT-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package models | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "strconv" | ||
| "strings" | ||
|
|
||
| "code.gitea.io/gitea/modules/log" | ||
| "code.gitea.io/gitea/modules/setting" | ||
| "code.gitea.io/gitea/modules/util" | ||
| "github.com/blevesearch/bleve" | ||
| "github.com/blevesearch/bleve/analysis/analyzer/simple" | ||
| "github.com/blevesearch/bleve/search/query" | ||
| ) | ||
|
|
||
| // issueIndexerUpdateQueue queue of issues that need to be updated in the issues | ||
| // indexer | ||
| var issueIndexerUpdateQueue chan *Issue | ||
|
|
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| // issueIndexer (thread-safe) index for searching issues | ||
| var issueIndexer bleve.Index | ||
|
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| // issueIndexerData data stored in the issue indexer | ||
| type issueIndexerData struct { | ||
| ID int64 | ||
| RepoID int64 | ||
|
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| Title string | ||
| Content string | ||
| } | ||
|
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| // numericQuery an numeric-equality query for the given value and field | ||
| func numericQuery(value int64, field string) *query.NumericRangeQuery { | ||
| f := float64(value) | ||
| tru := true | ||
| q := bleve.NewNumericRangeInclusiveQuery(&f, &f, &tru, &tru) | ||
| q.SetField(field) | ||
| return q | ||
| } | ||
|
|
||
| // SearchIssuesByKeyword searches for issues by given conditions. | ||
| // Returns the matching issue IDs | ||
| func SearchIssuesByKeyword(repoID int64, keyword string) ([]int64, error) { | ||
| fields := strings.Fields(strings.ToLower(keyword)) | ||
| indexerQuery := bleve.NewConjunctionQuery( | ||
| numericQuery(repoID, "RepoID"), | ||
| bleve.NewDisjunctionQuery( | ||
| bleve.NewPhraseQuery(fields, "Title"), | ||
| bleve.NewPhraseQuery(fields, "Content"), | ||
| )) | ||
| search := bleve.NewSearchRequestOptions(indexerQuery, 2147483647, 0, false) | ||
| search.Fields = []string{"ID"} | ||
|
|
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| result, err := issueIndexer.Search(search) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| issueIDs := make([]int64, len(result.Hits)) | ||
| for i, hit := range result.Hits { | ||
| issueIDs[i] = int64(hit.Fields["ID"].(float64)) | ||
| } | ||
| return issueIDs, nil | ||
| } | ||
|
|
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| // InitIssueIndexer initialize issue indexer | ||
| func InitIssueIndexer() { | ||
| _, err := os.Stat(setting.Indexer.IssuePath) | ||
| if err != nil { | ||
| if os.IsNotExist(err) { | ||
| if err = createIssueIndexer(); err != nil { | ||
| log.Fatal(4, "CreateIssuesIndexer: %v", err) | ||
| } | ||
| if err = populateIssueIndexer(); err != nil { | ||
| log.Fatal(4, "PopulateIssuesIndex: %v", err) | ||
| } | ||
| } else { | ||
| log.Fatal(4, "InitIssuesIndexer: %v", err) | ||
| } | ||
| } else { | ||
| issueIndexer, err = bleve.Open(setting.Indexer.IssuePath) | ||
| if err != nil { | ||
| log.Fatal(4, "InitIssuesIndexer, open index: %v", err) | ||
| } | ||
| } | ||
| issueIndexerUpdateQueue = make(chan *Issue, setting.Indexer.UpdateQueueLength) | ||
| go processIssueIndexerUpdateQueue() | ||
| // TODO close issueIndexer when Gitea closes | ||
| } | ||
|
|
||
| // createIssueIndexer create an issue indexer if one does not already exist | ||
| func createIssueIndexer() error { | ||
| mapping := bleve.NewIndexMapping() | ||
| docMapping := bleve.NewDocumentMapping() | ||
|
|
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| docMapping.AddFieldMappingsAt("ID", bleve.NewNumericFieldMapping()) | ||
| docMapping.AddFieldMappingsAt("RepoID", bleve.NewNumericFieldMapping()) | ||
|
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| textFieldMapping := bleve.NewTextFieldMapping() | ||
| textFieldMapping.Analyzer = simple.Name | ||
| docMapping.AddFieldMappingsAt("Title", textFieldMapping) | ||
| docMapping.AddFieldMappingsAt("Content", textFieldMapping) | ||
|
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| mapping.AddDocumentMapping("issues", docMapping) | ||
|
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| var err error | ||
| issueIndexer, err = bleve.New(setting.Indexer.IssuePath, mapping) | ||
| return err | ||
| } | ||
|
|
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| // populateIssueIndexer populate the issue indexer with issue data | ||
| func populateIssueIndexer() error { | ||
| for page := 1; ; page++ { | ||
| repos, err := Repositories(&SearchRepoOptions{ | ||
| Page: page, | ||
| PageSize: 10, | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("Repositories: %v", err) | ||
| } | ||
| if len(repos) == 0 { | ||
| return nil | ||
| } | ||
| batch := issueIndexer.NewBatch() | ||
| for _, repo := range repos { | ||
| issues, err := Issues(&IssuesOptions{ | ||
| RepoID: repo.ID, | ||
| IsClosed: util.OptionalBoolNone, | ||
| IsPull: util.OptionalBoolNone, | ||
| Page: -1, // do not page | ||
| }) | ||
| if err != nil { | ||
| return fmt.Errorf("Issues: %v", err) | ||
| } | ||
| for _, issue := range issues { | ||
| err = batch.Index(issue.indexUID(), issue.issueData()) | ||
| if err != nil { | ||
| return fmt.Errorf("batch.Index: %v", err) | ||
| } | ||
| } | ||
| } | ||
| if err = issueIndexer.Batch(batch); err != nil { | ||
| return fmt.Errorf("index.Batch: %v", err) | ||
| } | ||
| } | ||
| } | ||
|
|
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| func processIssueIndexerUpdateQueue() { | ||
| for { | ||
| select { | ||
| case issue := <-issueIndexerUpdateQueue: | ||
| if err := issueIndexer.Index(issue.indexUID(), issue.issueData()); err != nil { | ||
| log.Error(4, "issuesIndexer.Index: %v", err) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| // indexUID a unique identifier for an issue used in full-text indices | ||
| func (issue *Issue) indexUID() string { | ||
| return strconv.FormatInt(issue.ID, 36) | ||
| } | ||
|
|
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| func (issue *Issue) issueData() *issueIndexerData { | ||
| return &issueIndexerData{ | ||
| ID: issue.ID, | ||
| RepoID: issue.RepoID, | ||
| Title: issue.Title, | ||
| Content: issue.Content, | ||
| } | ||
| } | ||
|
|
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| // UpdateIssueIndexer add/update an issue to the issue indexer | ||
| func UpdateIssueIndexer(issue *Issue) { | ||
| go func() { | ||
| issueIndexerUpdateQueue <- issue | ||
| }() | ||
| } |
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