Files
archivmail/internal/index/index.go
T

66 lines
1.6 KiB
Go

package index
import (
"fmt"
"time"
)
// MailDocument is the indexed representation of a stored email.
type MailDocument struct {
ID string
From string
To string
Subject string
Body string
AttachNames string
HasAttachment bool
Date time.Time
Size int64
TenantID *int64 // nil = global / superadmin context
}
// SearchRequest specifies search parameters.
type SearchRequest struct {
Query string
From string
To string
OwnEmail string
DateFrom *time.Time
DateTo *time.Time
HasAttachment *bool // nil=no filter, true=only with, false=only without
LabelID *int64 `json:"label_id,omitempty"` // PROJ-9: post-filter by label
Sort string // "relevance", "date_asc", "date_desc" (default: date_desc)
PageSize int
Page int
}
// Hit is a single search result.
type Hit struct {
ID string `json:"id"`
Score float64 `json:"score"`
}
// SearchResult holds paginated search results.
type SearchResult struct {
Total int
Hits []Hit
}
// Indexer is the interface for full-text email indexing.
type Indexer interface {
IndexSync(doc MailDocument) error
Search(req SearchRequest) (*SearchResult, error)
Delete(id string) error
Close() error
}
// New creates an Indexer for the specified backend.
func New(dir string, batchSize int, backend string) (Indexer, error) {
switch backend {
case "xapian":
return newXapian(dir)
default:
return nil, fmt.Errorf("unknown index backend: %q (supported: xapian)", backend)
}
}