v0.0.423 fix createPaginationPipeline - different primary and secondary sort keys broke mongo ??!?? - it actually only sorted by the secondary condition (ignoring the primary?)

dataext/optional.go

@@ -0,0 +1,58 @@
+package dataext
+
+import (
+	"encoding/json"
+	"errors"
+)
+
+type JsonOpt[T any] struct {
+	isSet bool
+	value T
+}
+
+// MarshalJSON returns m as the JSON encoding of m.
+func (m JsonOpt[T]) MarshalJSON() ([]byte, error) {
+	if !m.isSet {
+		return []byte("null"), nil // actually this would be undefined - but undefined is not valid JSON
+	}
+
+	return json.Marshal(m.value)
+}
+
+// UnmarshalJSON sets *m to a copy of data.
+func (m *JsonOpt[T]) UnmarshalJSON(data []byte) error {
+	if m == nil {
+		return errors.New("JsonOpt: UnmarshalJSON on nil pointer")
+	}
+
+	return json.Unmarshal(data, &m.value)
+}
+
+func (m JsonOpt[T]) IsSet() bool {
+	return m.isSet
+}
+
+func (m JsonOpt[T]) IsUnset() bool {
+	return !m.isSet
+}
+
+func (m JsonOpt[T]) Value() (T, bool) {
+	if !m.isSet {
+		return *new(T), false
+	}
+	return m.value, true
+}
+
+func (m JsonOpt[T]) ValueOrNil() *T {
+	if !m.isSet {
+		return nil
+	}
+	return &m.value
+}
+
+func (m JsonOpt[T]) MustValue() T {
+	if !m.isSet {
+		panic("value not set")
+	}
+	return m.value
+}

go.mod

@@ -1,6 +1,6 @@
 module gogs.mikescher.com/BlackForestBytes/goext
 
-go 1.21
+go 1.22
 
 require (
 	github.com/gin-gonic/gin v1.9.1

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.417"
+const GoextVersion = "0.0.423"
 
-const GoextVersionTimestamp = "2024-03-20T08:58:59+0100"
+const GoextVersionTimestamp = "2024-03-24T15:25:52+0100"

wmo/queryList.go

@@ -171,7 +171,7 @@ func createPaginationPipeline[TData any](coll *Coll[TData], token ct.CursorToken
 				bson.M{*fieldSecondary: bson.M{"$gt": valueSecondary}},
 			}})
 
-			sort = append(sort, bson.E{Key: fieldPrimary, Value: +1})
+			sort = append(sort, bson.E{Key: *fieldSecondary, Value: +1})
 
 		} else if *sortSecondary == ct.SortDESC {
 
@@ -181,7 +181,7 @@ func createPaginationPipeline[TData any](coll *Coll[TData], token ct.CursorToken
 				bson.M{*fieldSecondary: bson.M{"$lt": valueSecondary}},
 			}})
 
-			sort = append(sort, bson.E{Key: fieldPrimary, Value: -1})
+			sort = append(sort, bson.E{Key: *fieldSecondary, Value: -1})
 
 		}
 	}