1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package issues
import (
"context"
"strconv"
"strings"
"sync"
"time"
"github.com/meilisearch/meilisearch-go"
)
var _ Indexer = &MeilisearchIndexer{}
// MeilisearchIndexer implements Indexer interface
type MeilisearchIndexer struct {
client *meilisearch.Client
indexerName string
available bool
stopTimer chan struct{}
lock sync.RWMutex
}
// MeilisearchIndexer creates a new meilisearch indexer
func NewMeilisearchIndexer(url, apiKey, indexerName string) (*MeilisearchIndexer, error) {
client := meilisearch.NewClient(meilisearch.ClientConfig{
Host: url,
APIKey: apiKey,
})
indexer := &MeilisearchIndexer{
client: client,
indexerName: indexerName,
available: true,
stopTimer: make(chan struct{}),
}
ticker := time.NewTicker(10 * time.Second)
go func() {
for {
select {
case <-ticker.C:
indexer.checkAvailability()
case <-indexer.stopTimer:
ticker.Stop()
return
}
}
}()
return indexer, nil
}
// Init will initialize the indexer
func (b *MeilisearchIndexer) Init() (bool, error) {
_, err := b.client.GetIndex(b.indexerName)
if err == nil {
return true, nil
}
_, err = b.client.CreateIndex(&meilisearch.IndexConfig{
Uid: b.indexerName,
PrimaryKey: "id",
})
if err != nil {
return false, b.checkError(err)
}
_, err = b.client.Index(b.indexerName).UpdateFilterableAttributes(&[]string{"repo_id"})
return false, b.checkError(err)
}
// Ping checks if meilisearch is available
func (b *MeilisearchIndexer) Ping() bool {
b.lock.RLock()
defer b.lock.RUnlock()
return b.available
}
// Index will save the index data
func (b *MeilisearchIndexer) Index(issues []*IndexerData) error {
if len(issues) == 0 {
return nil
}
for _, issue := range issues {
_, err := b.client.Index(b.indexerName).AddDocuments(issue)
if err != nil {
return b.checkError(err)
}
}
// TODO: bulk send index data
return nil
}
// Delete deletes indexes by ids
func (b *MeilisearchIndexer) Delete(ids ...int64) error {
if len(ids) == 0 {
return nil
}
for _, id := range ids {
_, err := b.client.Index(b.indexerName).DeleteDocument(strconv.FormatInt(id, 10))
if err != nil {
return b.checkError(err)
}
}
// TODO: bulk send deletes
return nil
}
// Search searches for issues by given conditions.
// Returns the matching issue IDs
func (b *MeilisearchIndexer) Search(ctx context.Context, keyword string, repoIDs []int64, limit, start int) (*SearchResult, error) {
repoFilters := make([]string, 0, len(repoIDs))
for _, repoID := range repoIDs {
repoFilters = append(repoFilters, "repo_id = "+strconv.FormatInt(repoID, 10))
}
filter := strings.Join(repoFilters, " OR ")
searchRes, err := b.client.Index(b.indexerName).Search(keyword, &meilisearch.SearchRequest{
Filter: filter,
Limit: int64(limit),
Offset: int64(start),
})
if err != nil {
return nil, b.checkError(err)
}
hits := make([]Match, 0, len(searchRes.Hits))
for _, hit := range searchRes.Hits {
hits = append(hits, Match{
ID: int64(hit.(map[string]interface{})["id"].(float64)),
})
}
return &SearchResult{
Total: searchRes.TotalHits,
Hits: hits,
}, nil
}
// Close implements indexer
func (b *MeilisearchIndexer) Close() {
select {
case <-b.stopTimer:
default:
close(b.stopTimer)
}
}
func (b *MeilisearchIndexer) checkError(err error) error {
return err
}
func (b *MeilisearchIndexer) checkAvailability() {
_, err := b.client.Health()
if err != nil {
b.setAvailability(false)
return
}
b.setAvailability(true)
}
func (b *MeilisearchIndexer) setAvailability(available bool) {
b.lock.Lock()
defer b.lock.Unlock()
if b.available == available {
return
}
b.available = available
}
|
