114 lines
2.4 KiB
Go
114 lines
2.4 KiB
Go
package wmo
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import (
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"gogs.mikescher.com/BlackForestBytes/goext/langext"
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"gogs.mikescher.com/BlackForestBytes/goext/reflectext"
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"reflect"
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"strings"
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)
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func (c *Coll[TData]) init() {
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c.dataTypeMap = make(map[string]fullTypeRef[TData])
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example := *new(TData)
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v := reflect.ValueOf(example)
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c.initFields("", v, make([]int, 0))
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}
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func (c *Coll[TData]) initFields(prefix string, rval reflect.Value, idxarr []int) {
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rtyp := rval.Type()
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for i := 0; i < rtyp.NumField(); i++ {
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rsfield := rtyp.Field(i)
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rvfield := rval.Field(i)
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if !rsfield.IsExported() {
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continue
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}
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bsonkey, found := rsfield.Tag.Lookup("bson")
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if !found {
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continue
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}
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if strings.Contains(bsonkey, ",") {
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bsonkey = bsonkey[:strings.Index(bsonkey, ",")]
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}
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if bsonkey == "-" {
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continue
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}
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fullKey := prefix + bsonkey
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newIdxArr := langext.ArrCopy(idxarr)
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newIdxArr = append(newIdxArr, i)
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if rvfield.Type().Kind() == reflect.Pointer {
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c.dataTypeMap[fullKey] = fullTypeRef[TData]{
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IsPointer: true,
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RealType: rvfield.Type(),
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Kind: rvfield.Type().Elem().Kind(),
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Type: rvfield.Type().Elem(),
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UnderlyingType: reflectext.Underlying(rvfield.Type().Elem()),
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Name: rsfield.Name,
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Index: newIdxArr,
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}
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} else {
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c.dataTypeMap[fullKey] = fullTypeRef[TData]{
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IsPointer: false,
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RealType: rvfield.Type(),
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Kind: rvfield.Type().Kind(),
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Type: rvfield.Type(),
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UnderlyingType: reflectext.Underlying(rvfield.Type()),
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Name: rsfield.Name,
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Index: newIdxArr,
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}
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}
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if rvfield.Kind() == reflect.Struct {
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c.initFields(fullKey+".", rvfield, newIdxArr)
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}
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}
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}
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func (c *Coll[TData]) getTokenValueAsMongoType(value string, fieldName string) (any, error) {
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fref := c.dataTypeMap[fieldName]
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pss := reflectext.PrimitiveStringSerializer{}
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return pss.ValueFromString(value, fref.RealType)
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}
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func (c *Coll[TData]) getFieldValueAsTokenString(entity TData, fieldName string) (string, error) {
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realValue := c.getFieldValue(entity, fieldName)
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pss := reflectext.PrimitiveStringSerializer{}
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return pss.ValueToString(realValue)
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}
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func (c *Coll[TData]) getFieldType(fieldName string) fullTypeRef[TData] {
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return c.dataTypeMap[fieldName]
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}
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func (c *Coll[TData]) getFieldValue(data TData, fieldName string) any {
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fref := c.dataTypeMap[fieldName]
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rval := reflect.ValueOf(data)
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return rval.FieldByIndex(fref.Index).Interface()
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}
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