forked from ranggaeaciit/dbox
/
dbox.go
127 lines (117 loc) · 3.05 KB
/
dbox.go
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package dbox
import (
"github.com/eaciit/toolkit"
//"reflect"
//"strings"
//"time"
)
const (
packageName = "eaciit.dbox"
modConnection = "Connection"
)
type DBOP string
const (
DBINSERT DBOP = "insert"
DBUPDATE DBOP = "update"
DBDELETE DBOP = "delete"
DBSELECT DBOP = "select"
DBSAVE DBOP = "save"
DBCOMMAND DBOP = "command"
DBUKNOWN DBOP = "unknown"
)
func (d *DBOP) String() string {
return string(*d)
}
//func Find(ms []toolkit.M, filters []*Filter) (output []int) {
func Find(ms interface{}, filters []*Filter) (output []int) {
//-- is not a slice
if !toolkit.IsSlice(ms) {
toolkit.Println("Data is not slice")
return []int{}
}
//toolkit.Printf("Find:%s Filter:%s\n", toolkit.JsonString(ms), toolkit.JsonString(filters))
sliceLen := toolkit.SliceLen(ms)
for i := 0; i < sliceLen; i++ {
var v toolkit.M
item := toolkit.SliceItem(ms, i)
e := toolkit.Serde(item, &v, "json")
if e == nil {
match := MatchM(v, filters)
if match {
output = append(output, i)
}
} else {
//toolkit.Println("Serde Fail: ", e.Error(), " Data: ", item)
}
}
return
}
func MatchM(v toolkit.M, filters []*Filter) bool {
var match bool
for _, f := range filters {
//toolkit.Printf("Filter:%s V:%s Has:%s Match:%s\n", toolkit.JsonString(f), toolkit.JsonString(v), v.Has(f.Field), match)
if f.Field != "" {
//--- if has field: $eq, $ne, $gt, $lt, $gte, $lte, $contains
if v.Has(f.Field) {
match = MatchV(v.Get(f.Field), f)
//toolkit.Printf("Filter:%s Value: %v Match:%s \n", toolkit.JsonString(f), v.Get(f.Field), match)
if !match {
return false
}
} else {
if f.Op != FilterOpNoEqual && f.Op != FilterOpNin {
return false
}
}
} else {
//-- no field: $and, $or
//toolkit.Printf("Filter: %s\n", toolkit.JsonString(f))
if f.Op == FilterOpAnd || f.Op == FilterOpOr {
filters2 := f.Value.([]*Filter)
for k, f2 := range filters2 {
if f.Op == FilterOpAnd {
if k == 0 {
match = MatchM(v, []*Filter{f2})
} else {
match = match && MatchM(v, []*Filter{f2})
}
} else {
if k == 0 {
match = MatchM(v, []*Filter{f2})
} else {
match = match || MatchM(v, []*Filter{f2})
}
}
}
}
//toolkit.Printf("\n")
}
}
return match
}
func MatchV(v interface{}, f *Filter) bool {
match := false
/*
rv0 := reflect.ValueOf(v)
if rv0.Kind() == reflect.Ptr {
rv0 = reflect.Indirect(rv0)
}
rv1 := reflect.ValueOf(f.Value)
if rv1.Kind()==reflect.Ptr{
rv1=reflect.Indirect(rv1)
}
*/
//toolkit.Println("MatchV: ", f.Op, v, f.Value)
if toolkit.HasMember([]string{FilterOpEqual, FilterOpNoEqual, FilterOpGt, FilterOpGte, FilterOpLt, FilterOpLte}, f.Op) {
return toolkit.Compare(v, f.Value, f.Op)
} else if f.Op == FilterOpIn {
var values []interface{}
toolkit.FromBytes(toolkit.ToBytes(f.Value, ""), "", &values)
return toolkit.HasMember(values, v)
} else if f.Op == FilterOpNin {
var values []interface{}
toolkit.FromBytes(toolkit.ToBytes(f.Value, ""), "", &values)
return !toolkit.HasMember(values, v)
}
return match
}