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//
// DISCLAIMER
//
// Copyright 2020 ArangoDB GmbH, Cologne, Germany
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
package http
import (
"context"
"encoding/json"
"errors"
"fmt"
"reflect"
"strings"
"github.com/arangodb/go-velocypack"
"github.com/arangodb/go-driver"
)
type connectionDebugWrapper struct {
driver.Connection
ct driver.ContentType
}
func NewConnectionDebugWrapper(conn driver.Connection, ct driver.ContentType) driver.Connection {
return &connectionDebugWrapper{conn, ct}
}
func (c *connectionDebugWrapper) Do(ctx context.Context, req driver.Request) (driver.Response, error) {
if c.ct == driver.ContentTypeJSON {
resp, err := c.Connection.Do(ctx, req)
if err != nil {
return resp, err
}
httpResponse, ok := resp.(*httpJSONResponse)
if !ok {
panic("can not cast response to the httpJSONResponse type!")
}
return &responseDebugWrapper{httpResponse}, err
}
return c.Connection.Do(ctx, req)
}
func (c *connectionDebugWrapper) Unmarshal(data driver.RawObject, result interface{}) error {
ct := c.ct
if ct == driver.ContentTypeVelocypack && len(data) >= 2 {
// Poor mans auto detection of json
l := len(data)
if (data[0] == '{' && data[l-1] == '}') || (data[0] == '[' && data[l-1] == ']') {
ct = driver.ContentTypeJSON
}
}
switch ct {
case driver.ContentTypeJSON:
decoder := json.NewDecoder(strings.NewReader(string(data)))
decoder.DisallowUnknownFields()
if err := decoder.Decode(result); err != nil {
return driver.WithStack(err)
}
if err := json.Unmarshal(data, result); err != nil {
fmt.Printf("Struct: %s \n", reflect.TypeOf(result).String())
fmt.Printf("Response: %s \n\n", string(data))
return driver.WithStack(errors.New(fmt.Sprintf("Struct: %s, Error: %s", reflect.TypeOf(result).String(), err.Error())))
}
case driver.ContentTypeVelocypack:
if err := velocypack.Unmarshal(velocypack.Slice(data), result); err != nil {
return driver.WithStack(err)
}
default:
return driver.WithStack(fmt.Errorf("unsupported content type %d", int(c.ct)))
}
return nil
}
type responseDebugWrapper struct {
*httpJSONResponse
}
func (r *responseDebugWrapper) ParseBody(field string, result interface{}) error {
if field == "" {
decoder := json.NewDecoder(strings.NewReader(string(r.httpJSONResponse.rawResponse)))
decoder.DisallowUnknownFields()
if err := decoder.Decode(result); err != nil {
fmt.Printf("Struct: %s \n", reflect.TypeOf(result).String())
fmt.Printf("Response: %s \n\n", string(r.httpJSONResponse.rawResponse))
return driver.WithStack(errors.New(fmt.Sprintf("Struct: %s, Error: %s", reflect.TypeOf(result).String(), err.Error())))
}
}
return r.httpJSONResponse.ParseBody(field, result)
}