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udf.go
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udf.go
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package asc
import (
"github.com/viant/dsc"
"github.com/viant/toolbox"
"github.com/viant/toolbox/data"
"strings"
)
func jsonNormalize(source interface{}) interface{} {
if source == nil {
return source
}
if toolbox.IsMap(source) {
var aMap = toolbox.AsMap(source)
for k, v := range aMap {
aMap[k] = jsonNormalize(v)
}
return aMap
} else if toolbox.IsSlice(source) {
var aSlice = toolbox.AsSlice(source)
for i, v := range aSlice {
aSlice[i] = jsonNormalize(v)
}
return aSlice
}
return source
}
func AsJSON(source interface{}, state data.Map) (interface{}, error) {
keyPath := strings.TrimSpace(toolbox.AsString(source))
val, ok := state.GetValue(keyPath)
if ok {
val = jsonNormalize(val)
return toolbox.AsIndentJSONText(val)
}
return nil, nil
}
func AsArray(source interface{}, state data.Map) (interface{}, error) {
keyPath := strings.TrimSpace(toolbox.AsString(source))
if val, ok := state.GetValue(keyPath); ok && val != nil {
if toolbox.IsMap(val) {
aMap := toolbox.AsMap(val)
result := []interface{}{}
for k, v := range aMap {
result = append(result, map[string]interface{}{
"key": k,
"value": v,
})
}
return result, nil
}
}
return nil, nil
}
func AsTimestamp(config *dsc.Config) func(source interface{}, state data.Map) (interface{}, error) {
return func(source interface{}, state data.Map) (interface{}, error) {
keyPath := strings.TrimSpace(toolbox.AsString(source))
if val, ok := state.GetValue(keyPath); ok {
return toolbox.ToTime(val, config.Get(DateLayoutKey))
}
return nil, nil
}
}