remove ginext/mongoext (no-dep lib)

timeext/range.go

@@ -0,0 +1,77 @@
+package timeext
+
+import (
+	"fmt"
+	"time"
+)
+
+type OpenTimeRange struct {
+	From *time.Time
+	To   *time.Time
+}
+
+func (r OpenTimeRange) String() string {
+	if r.From == nil && r.To == nil {
+		return "[]"
+	} else if r.From != nil && r.To != nil {
+		return fmt.Sprintf("[%v - %v]", r.From, r.To)
+	} else if r.From != nil {
+		return fmt.Sprintf("[%v - *]", r.From)
+	} else if r.To != nil {
+		return fmt.Sprintf("[* - %v]", r.To)
+	} else {
+		return "[??]"
+	}
+}
+
+func (r OpenTimeRange) Contains(v time.Time) bool {
+	if r.From != nil && v.Before(*r.From) {
+		return false
+	}
+	if r.To != nil && !v.Before(*r.To) {
+		return false
+	}
+	return true
+}
+
+func NewOpenTimeRange(from *time.Time, to *time.Time) *OpenTimeRange {
+	if from == nil && to == nil {
+		return nil
+	}
+	return &OpenTimeRange{
+		From: from,
+		To:   to,
+	}
+}
+
+func (r OpenTimeRange) ToMongoPipeline(key string) []interface{} {
+	type bsonM map[string]interface{}
+	type bsonE struct {
+		Key   string
+		Value interface{}
+	}
+	type bsonD []bsonE
+
+	pipeline := make([]interface{}, 0)
+
+	if r.From != nil {
+		pipeline = append(pipeline, bsonD{{Key: "$match", Value: bsonM{key: bsonM{"$ne": nil, "$gt": r.From}}}})
+	}
+	if r.To != nil {
+		pipeline = append(pipeline, bsonD{{Key: "$match", Value: bsonM{key: bsonM{"$ne": nil, "$lt": r.To}}}})
+	}
+
+	return pipeline
+}
+
+func (r *OpenTimeRange) AppendToMongoPipeline(pipeline []interface{}, key string) []interface{} {
+	if r == nil {
+		return pipeline
+	}
+
+	for _, v := range r.ToMongoPipeline(key) {
+		pipeline = append(pipeline, v)
+	}
+
+	return pipeline
+}