Add PostgreSQL database option and more booking flow functionalities

interoperability/ocss/time.go

@@ -0,0 +1,62 @@
+package ocss
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"go.mongodb.org/mongo-driver/x/bsonx/bsoncore"
+)
+
+type OCSSTime time.Time
+
+func (t OCSSTime) MarshalJSON() ([]byte, error) {
+	//do your serializing here
+	stamp := fmt.Sprintf("%v", time.Time(t).Unix())
+	return []byte(stamp), nil
+}
+
+func (v OCSSTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	return bson.MarshalValue(time.Time(v))
+}
+
+func (t *OCSSTime) UnmarshalJSON(b []byte) error {
+	var timestamp int64
+	err := json.Unmarshal(b, &timestamp)
+	if err != nil {
+		return err
+	}
+	parsed := time.Unix(timestamp, 0)
+	if err != nil {
+		return err
+	}
+
+	ocsstime := OCSSTime(parsed)
+	*t = ocsstime
+	return nil
+}
+
+func (t *OCSSTime) UnmarshalBSONValue(bt bsontype.Type, b []byte) error {
+
+	if bt == bsontype.Null || len(b) == 0 {
+		return nil
+	}
+	datetime, _, ok := bsoncore.ReadTime(b)
+	if !ok {
+		return fmt.Errorf("cannot parse time")
+	}
+
+	*t = OCSSTime(datetime)
+	return nil
+}
+
+func (t *OCSSTime) ToTime() *time.Time {
+	if t == nil {
+		return nil
+	}
+
+	time := time.Time(*t)
+	return &time
+}