Refactor issue indexer (#5363)

modules/indexer/issues/indexer.go

@@ -0,0 +1,36 @@
+// Copyright 2018 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 issues
+
+// IndexerData data stored in the issue indexer
+type IndexerData struct {
+	ID       int64
+	RepoID   int64
+	Title    string
+	Content  string
+	Comments []string
+	IsDelete bool
+	IDs      []int64
+}
+
+// Match represents on search result
+type Match struct {
+	ID     int64   `json:"id"`
+	RepoID int64   `json:"repo_id"`
+	Score  float64 `json:"score"`
+}
+
+// SearchResult represents search results
+type SearchResult struct {
+	Hits []Match
+}
+
+// Indexer defines an inteface to indexer issues contents
+type Indexer interface {
+	Init() (bool, error)
+	Index(issue []*IndexerData) error
+	Delete(ids ...int64) error
+	Search(kw string, repoID int64, limit, start int) (*SearchResult, error)
+}