feat(storage,document,sqlite): implements order by and limit

pkg/storage/sqlite/document_store.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	"math"
 	"sync"
 	"time"
 
@@ -90,6 +91,11 @@ func (s *DocumentStore) Get(ctx context.Context, collection string, id storage.D
 
 // Query implements storage.DocumentStore
 func (s *DocumentStore) Query(ctx context.Context, collection string, filter *filter.Filter, funcs ...storage.QueryOptionFunc) ([]storage.Document, error) {
+	opts := &storage.QueryOptions{}
+	for _, fn := range funcs {
+		fn(opts)
+	}
+
 	var documents []storage.Document
 
 	err := s.withTx(ctx, func(tx *sql.Tx) error {
@@ -120,6 +126,24 @@ func (s *DocumentStore) Query(ctx context.Context, collection string, filter *fi
 
 		args = append([]interface{}{collection}, args...)
 
+		if opts.OrderBy != nil {
+			query, args = withOrderByClause(query, args, *opts.OrderBy, *opts.OrderDirection)
+		}
+
+		if opts.Offset != nil || opts.Limit != nil {
+			offset := 0
+			if opts.Offset != nil {
+				offset = *opts.Offset
+			}
+
+			limit := math.MaxInt
+			if opts.Limit != nil {
+				limit = *opts.Limit
+			}
+
+			query, args = withLimitOffsetClause(query, args, limit, offset)
+		}
+
 		logger.Debug(
 			ctx, "executing query",
 			logger.F("query", query),
@@ -331,6 +355,41 @@ func (s *DocumentStore) ensureTables(ctx context.Context, db *sql.DB) error {
 	return nil
 }
 
+func withOrderByClause(query string, args []any, orderBy string, orderDirection storage.OrderDirection) (string, []any) {
+	direction := "ASC"
+	if orderDirection == storage.OrderDirectionDesc {
+		direction = "DESC"
+	}
+
+	var column string
+
+	switch orderBy {
+	case storage.DocumentAttrID:
+		column = "id"
+
+	case storage.DocumentAttrCreatedAt:
+		column = "created_at"
+
+	case storage.DocumentAttrUpdatedAt:
+		column = "updated_at"
+
+	default:
+		column = fmt.Sprintf("json_extract(data, '$.' || $%d)", len(args)+1)
+		args = append(args, orderBy)
+	}
+
+	query += fmt.Sprintf(`ORDER BY %s %s`, column, direction)
+
+	return query, args
+}
+
+func withLimitOffsetClause(query string, args []any, limit int, offset int) (string, []any) {
+	query += fmt.Sprintf(`LIMIT $%d OFFSET $%d`, len(args)+1, len(args)+2)
+	args = append(args, limit, offset)
+
+	return query, args
+}
+
 func NewDocumentStore(path string) *DocumentStore {
 	return &DocumentStore{
 		db:       nil,