feat(PROJ-17): Admin Dashboard Systemauslastung immer anzeigen
- Systemauslastungs-Sektion wird immer gerendert (nicht nur bei Erfolg) - Fehlermeldung wenn /api/admin/system/stats nicht erreichbar ist - Feature-Status auf In Review gesetzt Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
sysops
@@ -0,0 +1,61 @@
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package index
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import (
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"fmt"
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"time"
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)
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// MailDocument is the indexed representation of a stored email.
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type MailDocument struct {
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ID string
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From string
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To string
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Subject string
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Body string
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AttachNames string
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HasAttachment bool
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Date time.Time
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Size int64
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}
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// SearchRequest specifies search parameters.
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type SearchRequest struct {
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Query string
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From string
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To string
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OwnEmail string
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DateFrom *time.Time
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DateTo *time.Time
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PageSize int
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Page int
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}
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// Hit is a single search result.
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type Hit struct {
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ID string `json:"id"`
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Score float64 `json:"score"`
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}
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// SearchResult holds paginated search results.
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type SearchResult struct {
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Total int
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Hits []Hit
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}
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// Indexer is the interface for full-text email indexing.
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type Indexer interface {
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IndexSync(doc MailDocument) error
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Search(req SearchRequest) (*SearchResult, error)
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Delete(id string) error
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Close() error
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}
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// New creates an Indexer for the specified backend.
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func New(dir string, batchSize int, backend string) (Indexer, error) {
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switch backend {
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case "xapian":
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return newXapian(dir)
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default:
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return nil, fmt.Errorf("unknown index backend: %q (supported: xapian)", backend)
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}
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}
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@@ -0,0 +1,192 @@
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package index_test
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import (
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"testing"
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"time"
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"github.com/archivmail/internal/index"
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)
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// newXapianIndex creates a temporary Xapian index for testing.
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func newXapianIndex(t *testing.T) index.Indexer {
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t.Helper()
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idx, err := index.New(t.TempDir(), 100, "xapian")
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if err != nil {
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t.Skip("xapian not available:", err)
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}
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t.Cleanup(func() { idx.Close() })
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return idx
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}
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func seedDocs(t *testing.T, idx index.Indexer) {
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t.Helper()
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docs := []index.MailDocument{
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{
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ID: "aaa111",
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From: "alice@example.com",
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To: "bob@example.com",
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Subject: "Invoice Q1-2026",
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Body: "Please find attached the invoice for January.",
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Date: time.Date(2026, 1, 15, 10, 0, 0, 0, time.UTC),
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Size: 1024,
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},
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{
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ID: "bbb222",
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From: "bob@example.com",
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To: "alice@example.com charlie@example.com",
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Subject: "Meeting Agenda",
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Body: "Agenda for the quarterly review meeting.",
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Date: time.Date(2026, 2, 1, 9, 0, 0, 0, time.UTC),
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Size: 512,
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},
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{
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ID: "ccc333",
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From: "charlie@example.com",
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To: "alice@example.com",
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Subject: "Offer with attachment",
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Body: "Please review the attached offer document.",
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AttachNames: "offer.pdf",
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HasAttachment: true,
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Date: time.Date(2026, 3, 1, 14, 0, 0, 0, time.UTC),
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Size: 8192,
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},
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}
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for _, d := range docs {
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if err := idx.IndexSync(d); err != nil {
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t.Fatalf("IndexSync %s: %v", d.ID, err)
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}
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}
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}
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func TestIndexAndSearchFulltext(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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result, err := idx.Search(index.SearchRequest{Query: "invoice", PageSize: 10})
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if err != nil {
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t.Fatalf("Search: %v", err)
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}
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if result.Total == 0 {
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t.Error("expected at least 1 hit for 'invoice'")
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}
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if result.Hits[0].ID != "aaa111" {
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t.Errorf("top hit = %q, want aaa111", result.Hits[0].ID)
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}
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}
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func TestSearchMatchAll(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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result, err := idx.Search(index.SearchRequest{PageSize: 25})
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if err != nil {
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t.Fatalf("Search all: %v", err)
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}
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if result.Total != 3 {
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t.Errorf("expected 3 total hits, got %d", result.Total)
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}
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}
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func TestSearchFromFilter(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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result, err := idx.Search(index.SearchRequest{
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From: "alice@example.com",
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PageSize: 25,
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})
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if err != nil {
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t.Fatalf("Search from: %v", err)
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}
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if result.Total != 1 {
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t.Errorf("expected 1 hit from alice, got %d", result.Total)
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}
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}
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func TestSearchDateRange(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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from := time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC)
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to := time.Date(2026, 2, 1, 23, 59, 59, 0, time.UTC)
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result, err := idx.Search(index.SearchRequest{
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DateFrom: &from,
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DateTo: &to,
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PageSize: 25,
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})
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if err != nil {
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t.Fatalf("Search date range: %v", err)
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}
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if result.Total != 2 {
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t.Errorf("expected 2 hits in Jan-Feb 2026, got %d", result.Total)
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}
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}
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func TestSearchOwnEmail(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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// charlie@example.com sent 1 mail and received 1 mail = should see 2
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result, err := idx.Search(index.SearchRequest{
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OwnEmail: "charlie@example.com",
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PageSize: 25,
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})
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if err != nil {
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t.Fatalf("Search OwnEmail: %v", err)
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}
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if result.Total < 1 {
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t.Errorf("charlie should see at least 1 mail, got %d", result.Total)
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}
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}
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func TestSearchPagination(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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page0, _ := idx.Search(index.SearchRequest{PageSize: 2, Page: 0})
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page1, _ := idx.Search(index.SearchRequest{PageSize: 2, Page: 1})
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if len(page0.Hits) != 2 {
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t.Errorf("page 0: expected 2 hits, got %d", len(page0.Hits))
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}
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if len(page1.Hits) != 1 {
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t.Errorf("page 1: expected 1 hit, got %d", len(page1.Hits))
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}
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// No overlap
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if page0.Hits[0].ID == page1.Hits[0].ID {
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t.Error("pagination returned duplicate results")
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}
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}
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func TestDelete(t *testing.T) {
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idx := newXapianIndex(t)
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seedDocs(t, idx)
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if err := idx.Delete("aaa111"); err != nil {
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t.Fatalf("Delete: %v", err)
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}
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result, _ := idx.Search(index.SearchRequest{Query: "invoice", PageSize: 10})
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for _, h := range result.Hits {
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if h.ID == "aaa111" {
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t.Error("deleted document still in results")
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}
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}
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}
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func TestUnknownBackend(t *testing.T) {
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_, err := index.New(t.TempDir(), 10, "elasticsearch")
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if err == nil {
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t.Error("expected error for unknown backend")
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}
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}
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func TestXapianNotCompiledError(t *testing.T) {
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_, err := index.New(t.TempDir(), 10, "xapian")
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// Without -tags xapian this must return a helpful error
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if err == nil {
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t.Log("xapian compiled in — skipping stub error test")
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} else {
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t.Logf("xapian stub error (expected): %v", err)
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}
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}
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@@ -0,0 +1,126 @@
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//go:build xapian
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package index
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/*
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#cgo pkg-config: xapian-core
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#cgo LDFLAGS: -lstdc++
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#include "xapian_wrapper.h"
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#include <stdlib.h>
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*/
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import "C"
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import (
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"encoding/json"
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"fmt"
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"unsafe"
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)
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type xapianIndex struct {
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db *C.XapianDB
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}
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func newXapian(dir string) (Indexer, error) {
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cdir := C.CString(dir)
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defer C.free(unsafe.Pointer(cdir))
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var cerr *C.char
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db := C.xapian_open(cdir, 1, &cerr)
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if db == nil {
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msg := C.GoString(cerr)
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C.xapian_free_string(cerr)
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return nil, fmt.Errorf("xapian open: %s", msg)
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}
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return &xapianIndex{db: db}, nil
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}
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func (x *xapianIndex) IndexSync(doc MailDocument) error {
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cid := C.CString(doc.ID)
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defer C.free(unsafe.Pointer(cid))
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cfrom := C.CString(doc.From)
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defer C.free(unsafe.Pointer(cfrom))
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cto := C.CString(doc.To)
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defer C.free(unsafe.Pointer(cto))
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csubj := C.CString(doc.Subject)
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defer C.free(unsafe.Pointer(csubj))
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cbody := C.CString(doc.Body)
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defer C.free(unsafe.Pointer(cbody))
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var cerr *C.char
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rc := C.xapian_index(x.db, cid, cfrom, cto, csubj, cbody, C.longlong(doc.Date.Unix()), &cerr)
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if rc != 0 {
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msg := C.GoString(cerr)
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C.xapian_free_string(cerr)
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return fmt.Errorf("xapian index: %s", msg)
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}
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return nil
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}
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func (x *xapianIndex) Delete(id string) error {
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cid := C.CString(id)
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defer C.free(unsafe.Pointer(cid))
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var cerr *C.char
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rc := C.xapian_delete(x.db, cid, &cerr)
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if rc != 0 {
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msg := C.GoString(cerr)
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C.xapian_free_string(cerr)
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return fmt.Errorf("xapian delete: %s", msg)
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}
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return nil
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}
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func (x *xapianIndex) Search(req SearchRequest) (*SearchResult, error) {
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cquery := C.CString(req.Query)
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defer C.free(unsafe.Pointer(cquery))
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cfrom := C.CString(req.From)
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defer C.free(unsafe.Pointer(cfrom))
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cown := C.CString(req.OwnEmail)
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defer C.free(unsafe.Pointer(cown))
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cto := C.CString(req.To)
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defer C.free(unsafe.Pointer(cto))
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var dateFrom, dateTo C.longlong
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if req.DateFrom != nil {
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dateFrom = C.longlong(req.DateFrom.Unix())
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}
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if req.DateTo != nil {
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dateTo = C.longlong(req.DateTo.Unix())
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}
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page := req.Page
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if page < 1 {
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page = 1
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}
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offset := C.int((page - 1) * req.PageSize)
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limit := C.int(req.PageSize)
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if limit <= 0 {
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limit = 25
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}
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var cerr *C.char
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cresult := C.xapian_search(x.db, cquery, cfrom, cown, cto, dateFrom, dateTo, offset, limit, &cerr)
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if cresult == nil {
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msg := C.GoString(cerr)
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C.xapian_free_string(cerr)
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return nil, fmt.Errorf("xapian search: %s", msg)
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}
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defer C.xapian_free_string(cresult)
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jsonStr := C.GoString(cresult)
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var raw struct {
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Total int `json:"total"`
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Hits []struct {
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ID string `json:"id"`
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Score float64 `json:"score"`
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} `json:"hits"`
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}
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if err := json.Unmarshal([]byte(jsonStr), &raw); err != nil {
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return nil, fmt.Errorf("xapian parse result: %w", err)
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}
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hits := make([]Hit, len(raw.Hits))
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for i, h := range raw.Hits {
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hits[i] = Hit{ID: h.ID, Score: h.Score}
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}
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return &SearchResult{Total: raw.Total, Hits: hits}, nil
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}
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func (x *xapianIndex) Close() error {
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C.xapian_close(x.db)
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return nil
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}
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@@ -0,0 +1,9 @@
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//go:build !xapian
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package index
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import "errors"
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func newXapian(dir string) (Indexer, error) {
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return nil, errors.New("xapian: not compiled in — rebuild with: go build -tags xapian")
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}
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@@ -0,0 +1,199 @@
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#include "xapian_wrapper.h"
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#include <xapian.h>
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#include <cstring>
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#include <cstdlib>
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#include <string>
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#include <sstream>
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#include <stdexcept>
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struct XapianDB {
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Xapian::WritableDatabase* wdb;
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Xapian::Database* rdb;
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bool writable;
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};
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static char* dup_error(const std::string& msg) {
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char* s = (char*)malloc(msg.size() + 1);
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if (s) memcpy(s, msg.c_str(), msg.size() + 1);
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return s;
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}
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extern "C" {
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XapianDB* xapian_open(const char* path, int writable, char** err) {
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try {
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XapianDB* db = new XapianDB{nullptr, nullptr, (bool)writable};
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if (writable) {
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db->wdb = new Xapian::WritableDatabase(path, Xapian::DB_CREATE_OR_OPEN);
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} else {
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db->rdb = new Xapian::Database(path);
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}
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return db;
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} catch (const std::exception& e) {
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if (err) *err = dup_error(e.what());
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return nullptr;
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}
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}
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void xapian_close(XapianDB* db) {
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if (!db) return;
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if (db->wdb) { db->wdb->close(); delete db->wdb; }
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if (db->rdb) { db->rdb->close(); delete db->rdb; }
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delete db;
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}
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int xapian_index(XapianDB* db, const char* id, const char* from,
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const char* to, const char* subject, const char* body,
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long long timestamp, char** err) {
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try {
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Xapian::Document doc;
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Xapian::TermGenerator gen;
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gen.set_document(doc);
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gen.set_stemmer(Xapian::Stem("en"));
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// Prefix-indexed fields for filtering
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gen.index_text(from, 1, "XF");
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gen.index_text(to, 1, "XT");
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gen.index_text(subject, 1, "XS");
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// Free-text indexed fields
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gen.index_text(subject);
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gen.increase_termpos();
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gen.index_text(body);
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gen.increase_termpos();
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gen.index_text(from);
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gen.increase_termpos();
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gen.index_text(to);
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// Store timestamp for date range queries (value slot 0)
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doc.add_value(0, Xapian::sortable_serialise((double)timestamp));
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// Store ID as document data
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doc.set_data(id);
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doc.add_boolean_term(std::string("Q") + id);
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db->wdb->replace_document(std::string("Q") + id, doc);
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db->wdb->commit();
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return 0;
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} catch (const std::exception& e) {
|
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if (err) *err = dup_error(e.what());
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return -1;
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}
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}
|
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|
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int xapian_delete(XapianDB* db, const char* id, char** err) {
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try {
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db->wdb->delete_document(std::string("Q") + id);
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db->wdb->commit();
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return 0;
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} catch (const std::exception& e) {
|
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if (err) *err = dup_error(e.what());
|
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return -1;
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}
|
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}
|
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|
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char* xapian_search(XapianDB* db, const char* query_str,
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const char* from_filter, const char* own_email,
|
||||
const char* to_filter,
|
||||
long long date_from, long long date_to,
|
||||
int offset, int limit, char** err) {
|
||||
try {
|
||||
Xapian::Database& xdb = db->wdb ? (Xapian::Database&)*db->wdb : *db->rdb;
|
||||
Xapian::Enquire enquire(xdb);
|
||||
|
||||
Xapian::Query main_query;
|
||||
|
||||
// Full-text query
|
||||
if (query_str && query_str[0] != '\0') {
|
||||
Xapian::QueryParser qp;
|
||||
qp.set_database(xdb);
|
||||
qp.set_stemmer(Xapian::Stem("en"));
|
||||
qp.set_stemming_strategy(Xapian::QueryParser::STEM_SOME);
|
||||
qp.add_prefix("from", "XF");
|
||||
qp.add_prefix("to", "XT");
|
||||
qp.add_prefix("subject", "XS");
|
||||
main_query = qp.parse_query(query_str,
|
||||
Xapian::QueryParser::FLAG_DEFAULT |
|
||||
Xapian::QueryParser::FLAG_PARTIAL);
|
||||
} else {
|
||||
main_query = Xapian::Query::MatchAll;
|
||||
}
|
||||
|
||||
// From filter
|
||||
if (from_filter && from_filter[0] != '\0') {
|
||||
Xapian::QueryParser qp;
|
||||
qp.set_database(xdb);
|
||||
Xapian::Query fq = qp.parse_query(from_filter,
|
||||
Xapian::QueryParser::FLAG_DEFAULT, "XF");
|
||||
main_query = Xapian::Query(Xapian::Query::OP_AND, main_query, fq);
|
||||
}
|
||||
|
||||
// OwnEmail filter: (from=own OR to=own)
|
||||
if (own_email && own_email[0] != '\0') {
|
||||
Xapian::QueryParser qp;
|
||||
qp.set_database(xdb);
|
||||
Xapian::Query fq = qp.parse_query(own_email,
|
||||
Xapian::QueryParser::FLAG_DEFAULT, "XF");
|
||||
Xapian::Query tq = qp.parse_query(own_email,
|
||||
Xapian::QueryParser::FLAG_DEFAULT, "XT");
|
||||
Xapian::Query owq(Xapian::Query::OP_OR, fq, tq);
|
||||
main_query = Xapian::Query(Xapian::Query::OP_AND, main_query, owq);
|
||||
}
|
||||
|
||||
// To filter
|
||||
if (to_filter && to_filter[0] != '\0') {
|
||||
Xapian::QueryParser qp;
|
||||
qp.set_database(xdb);
|
||||
Xapian::Query tq = qp.parse_query(to_filter,
|
||||
Xapian::QueryParser::FLAG_DEFAULT, "XT");
|
||||
main_query = Xapian::Query(Xapian::Query::OP_AND, main_query, tq);
|
||||
}
|
||||
|
||||
// Date range
|
||||
if (date_from > 0 || date_to > 0) {
|
||||
double lo = date_from > 0 ? (double)date_from : 0.0;
|
||||
double hi = date_to > 0 ? (double)date_to : 1e18;
|
||||
Xapian::Query drq(Xapian::Query::OP_VALUE_RANGE, 0,
|
||||
Xapian::sortable_serialise(lo),
|
||||
Xapian::sortable_serialise(hi));
|
||||
main_query = Xapian::Query(Xapian::Query::OP_AND, main_query, drq);
|
||||
}
|
||||
|
||||
enquire.set_query(main_query);
|
||||
enquire.set_sort_by_value(0, true); // sort by date desc
|
||||
|
||||
// Get total count
|
||||
Xapian::MSet all = enquire.get_mset(0, xdb.get_doccount());
|
||||
int total = (int)all.get_matches_estimated();
|
||||
|
||||
// Get page
|
||||
Xapian::MSet mset = enquire.get_mset(offset, limit);
|
||||
|
||||
std::ostringstream json;
|
||||
json << "{\"total\":" << total << ",\"hits\":[";
|
||||
bool first = true;
|
||||
for (auto it = mset.begin(); it != mset.end(); ++it) {
|
||||
if (!first) json << ",";
|
||||
first = false;
|
||||
std::string id = it.get_document().get_data();
|
||||
double score = it.get_weight();
|
||||
json << "{\"id\":\"" << id << "\",\"score\":" << score << "}";
|
||||
}
|
||||
json << "]}";
|
||||
|
||||
std::string result = json.str();
|
||||
char* out = (char*)malloc(result.size() + 1);
|
||||
memcpy(out, result.c_str(), result.size() + 1);
|
||||
return out;
|
||||
|
||||
} catch (const std::exception& e) {
|
||||
if (err) *err = dup_error(e.what());
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
void xapian_free_string(char* s) {
|
||||
free(s);
|
||||
}
|
||||
|
||||
} // extern "C"
|
||||
@@ -0,0 +1,32 @@
|
||||
#ifndef XAPIAN_WRAPPER_H
|
||||
#define XAPIAN_WRAPPER_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct XapianDB XapianDB;
|
||||
|
||||
XapianDB* xapian_open(const char* path, int writable, char** err);
|
||||
void xapian_close(XapianDB* db);
|
||||
|
||||
int xapian_index(XapianDB* db, const char* id, const char* from,
|
||||
const char* to, const char* subject, const char* body,
|
||||
long long timestamp, char** err);
|
||||
|
||||
int xapian_delete(XapianDB* db, const char* id, char** err);
|
||||
|
||||
/* Returns JSON string: {"total":N,"hits":[{"id":"...","score":0.9},...]}
|
||||
Returns NULL on error, sets *err. Caller must free with xapian_free_string. */
|
||||
char* xapian_search(XapianDB* db, const char* query,
|
||||
const char* from_filter, const char* own_email,
|
||||
const char* to_filter,
|
||||
long long date_from, long long date_to,
|
||||
int offset, int limit, char** err);
|
||||
|
||||
void xapian_free_string(char* s);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
Reference in New Issue
Block a user