Library Panels: Add name endpoint & unique name validation to AddLibraryPanelModal (#33987)

pkg/services/libraryelements/writers.go

@@ -8,6 +8,28 @@ import (
 	"github.com/grafana/grafana/pkg/services/sqlstore"
 )
 
+type Pair struct {
+	key   string
+	value interface{}
+}
+
+func selectLibraryElementByParam(params []Pair) (string, []interface{}) {
+	conditions := make([]string, 0, len(params))
+	values := make([]interface{}, 0, len(params))
+	for _, p := range params {
+		conditions = append(conditions, "le."+p.key+"=?")
+		values = append(values, p.value)
+	}
+	return ` WHERE ` + strings.Join(conditions, " AND "), values
+}
+
+func writeParamSelectorSQL(builder *sqlstore.SQLBuilder, params ...Pair) {
+	if len(params) > 0 {
+		conditionString, paramValues := selectLibraryElementByParam(params)
+		builder.Write(conditionString, paramValues...)
+	}
+}
+
 func writePerPageSQL(query searchLibraryElementsQuery, sqlStore *sqlstore.SQLStore, builder *sqlstore.SQLBuilder) {
 	if query.perPage != 0 {
 		offset := query.perPage * (query.page - 1)