github.com/lastbackend/toolkit@v0.0.0-20241020043710-cafa37b95aad/pkg/server/http/marshaler.go (about)

     1  /*
     2  Copyright [2014] - [2023] The Last.Backend authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package http
    18  
    19  import (
    20  	"github.com/lastbackend/toolkit/pkg/server/http/marshaler"
    21  	"github.com/lastbackend/toolkit/pkg/server/http/marshaler/formpb"
    22  	"github.com/lastbackend/toolkit/pkg/server/http/marshaler/jsonpb"
    23  	"google.golang.org/protobuf/encoding/protojson"
    24  )
    25  
    26  const (
    27  	ContentTypeForm = "application/x-www-form-urlencoded"
    28  	ContentTypeJSON = "application/json"
    29  )
    30  
    31  var (
    32  	DefaultMarshaler = &jsonpb.JSONPb{
    33  		MarshalOptions:   defaultMarshalOptions,
    34  		UnmarshalOptions: defaultUnmarshalOptions,
    35  	}
    36  )
    37  
    38  var (
    39  	defaultMarshalOptions = protojson.MarshalOptions{
    40  		EmitUnpopulated: true, // Include fields with default values in the JSON output
    41  		UseProtoNames:   true, // Use original proto field names (e.g., 'start_date') instead of CamelCase (e.g., 'StartDate')
    42  	}
    43  	defaultUnmarshalOptions = protojson.UnmarshalOptions{
    44  		DiscardUnknown: true, // Ignores unknown fields during deserialization
    45  	}
    46  )
    47  
    48  func GetMarshalerMap() map[string]marshaler.Marshaler {
    49  	return map[string]marshaler.Marshaler{
    50  		ContentTypeJSON: &jsonpb.JSONPb{
    51  			MarshalOptions:   defaultMarshalOptions,
    52  			UnmarshalOptions: defaultUnmarshalOptions,
    53  		},
    54  		ContentTypeForm: &formpb.FORMPb{
    55  			MarshalOptions:   defaultMarshalOptions,
    56  			UnmarshalOptions: defaultUnmarshalOptions,
    57  		},
    58  	}
    59  }