api_mock.go

package botgolang

import (
	"encoding/json"
	"net/http"

	"github.com/sirupsen/logrus"
)

type MockHandler struct {
	http.Handler
	logger *logrus.Logger
}

func (h *MockHandler) SendMessage(w http.ResponseWriter) {
	encoder := json.NewEncoder(w)
	err := encoder.Encode(&Response{
		OK: true,
	})

	if err != nil {
		h.logger.WithFields(logrus.Fields{
			"err": err,
		}).Error("cannot encode json")
	}
}

func (h *MockHandler) TokenError(w http.ResponseWriter) {
	encoder := json.NewEncoder(w)
	err := encoder.Encode(&Response{
		OK:          false,
		Description: "Missing required parameter 'token'",
	})

	if err != nil {
		h.logger.WithFields(logrus.Fields{
			"err": err,
		}).Error("cannot encode json")
	}
}

func (h *MockHandler) GetEvents(w http.ResponseWriter) {
	events := `
		{
			"ok": true,
		  "events": [
			{
			  "eventId": 1,
			  "type": "newMessage",
			  "payload": {
				"msgId": "57883346846815030",
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "channel",
				  "title": "The best channel"
				},
				"from": {
				  "userId": "1234567890",
				  "firstName": "Name",
				  "lastName": "SurName"
				},
				"timestamp": 1546290000,
				"text": "Hello!",
				"parts": [
				  {
					"type": "sticker",
					"payload": {
					  "fileId": "2IWuJzaNWCJZxJWCvZhDYuJ5XDsr7hU"
					}
				  },
				  {
					"type": "mention",
					"payload": {
					  "userId": "1234567890",
					  "firstName": "Name",
					  "lastName": "SurName"
					}
				  },
				  {
					"type": "voice",
					"payload": {
					  "fileId": "IdjUEXuGdNhLKUfD5rvkE03IOax54cD"
					}
				  },
				  {
					"type": "file",
					"payload": {
					  "fileId": "ZhSnMuaOmF7FRez2jGWuQs5zGZwlLa0",
					  "type": "image",
					  "caption": "Last weekend trip"
					}
				  },
				  {
					"type": "forward",
					"payload": {
					  "message": {
						"msgId": "12354",
						"text": "test1"
						}
					}
				  },
				  {
					"type": "reply",
					"payload": {
					  "message": {
						"msgId": "12354",
						"text": "test"
						}
					}
				  }
				]
			  }
			},
			{
			  "eventId": 2,
			  "type": "editedMessage",
			  "payload": {
				"msgId": "57883346846815030",
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "channel",
				  "title": "The best channel"
				},
				"from": {
				  "userId": "1234567890",
				  "firstName": "Name",
				  "lastName": "SurName"
				},
				"timestamp": 1546290000,
				"text": "Hello!",
				"editedTimestamp": 1546290099
			  }
			},
			{
			  "eventId": 3,
			  "type": "deletedMessage",
			  "payload": {
				"msgId": "57883346846815030",
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "channel",
				  "title": "The best channel"
				},
				"timestamp": 1546290000
			  }
			},
			{
			  "eventId": 4,
			  "type": "pinnedMessage",
			  "payload": {
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "group",
				  "title": "The best group"
				},
				"from": {
				  "userId": "9876543210",
				  "firstName": "Name",
				  "lastName": "SurName"
				},
				"msgId": "6720509406122810000",
				"text": "Some important information!",
				"timestamp": 1564740530
			  }
			},
			{
			  "eventId": 5,
			  "type": "unpinnedMessage",
			  "payload": {
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "group",
				  "title": "The best group"
				},
				"msgId": "6720509406122810000",
				"timestamp": 1564740530
			  }
			},
			{
			  "eventId": 6,
			  "type": "newChatMembers",
			  "payload": {
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "group",
				  "title": "The best group"
				},
				"newMembers": [
				  {
					"userId": "1234567890",
					"firstName": "Name",
					"lastName": "SurName"
				  }
				],
				"addedBy": {
				  "userId": "9876543210",
				  "firstName": "Name",
				  "lastName": "SurName"
				}
			  }
			},
			{
			  "eventId": 7,
			  "type": "leftChatMembers",
			  "payload": {
				"chat": {
				  "chatId": "681869378@chat.agent",
				  "type": "group",
				  "title": "The best group"
				},
				"leftMembers": [
				  {
					"userId": "1234567890",
					"firstName": "Name",
					"lastName": "SurName"
				  }
				],
				"removedBy": {
				  "userId": "9876543210",
				  "firstName": "Name",
				  "lastName": "SurName"
				}
			  }
        },
        {
            "eventId": 8,
            "payload": {
                "callbackData": "echo",
                "from": {
				  "firstName": "Name",
				  "userId": "1234567890"
                },
                "queryId": "SVR:123456"
            },
            "type": "callbackQuery"
			}
		  ]
		}
	`

	_, err := w.Write([]byte(events))
	if err != nil {
		h.logger.Fatal("failed to write events")
	}
}

func (h *MockHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	switch {
	case r.FormValue("token") == "":
		h.TokenError(w)
		return
	case r.URL.Path == "/messages/sendText":
		h.SendMessage(w)
		return
	case r.URL.Path == "/events/get":
		h.GetEvents(w)
		return
	default:
		encoder := json.NewEncoder(w)
		err := encoder.Encode(&Response{
			OK: true,
		})

		if err != nil {
			h.logger.WithFields(logrus.Fields{
				"err": err,
			}).Error("cannot encode response")
		}
	}

}