1 files changed, 56 insertions, 0 deletions
diff --git a/modules/indexer/internal/bleve/query.go b/modules/indexer/internal/bleve/query.go
new file mode 100644
index 0000000..90626da
--- /dev/null
+++ b/modules/indexer/internal/bleve/query.go
@@ -0,0 +1,56 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package bleve
+
+import (
+	"code.gitea.io/gitea/modules/optional"
+
+	"github.com/blevesearch/bleve/v2"
+	"github.com/blevesearch/bleve/v2/search/query"
+)
+
+// NumericEqualityQuery generates a numeric equality query for the given value and field
+func NumericEqualityQuery(value int64, field string) *query.NumericRangeQuery {
+	f := float64(value)
+	tru := true                                                  // codespell-ignore
+	q := bleve.NewNumericRangeInclusiveQuery(&f, &f, &tru, &tru) // codespell-ignore
+	q.SetField(field)
+	return q
+}
+
+// MatchPhraseQuery generates a match phrase query for the given phrase, field and analyzer
+func MatchPhraseQuery(matchPhrase, field, analyzer string, fuzziness int) *query.MatchPhraseQuery {
+	q := bleve.NewMatchPhraseQuery(matchPhrase)
+	q.FieldVal = field
+	q.Analyzer = analyzer
+	q.Fuzziness = fuzziness
+	return q
+}
+
+// BoolFieldQuery generates a bool field query for the given value and field
+func BoolFieldQuery(value bool, field string) *query.BoolFieldQuery {
+	q := bleve.NewBoolFieldQuery(value)
+	q.SetField(field)
+	return q
+}
+
+func NumericRangeInclusiveQuery(min, max optional.Option[int64], field string) *query.NumericRangeQuery {
+	var minF, maxF *float64
+	var minI, maxI *bool
+	if min.Has() {
+		minF = new(float64)
+		*minF = float64(min.Value())
+		minI = new(bool)
+		*minI = true
+	}
+	if max.Has() {
+		maxF = new(float64)
+		*maxF = float64(max.Value())
+		maxI = new(bool)
+		*maxI = true
+	}
+	q := bleve.NewNumericRangeInclusiveQuery(minF, maxF, minI, maxI)
+	q.SetField(field)
+	return q
+}