Fixes lots of complete bollocks that got into the codebase.

- Malformed JSON field tags, OMG fixed
- Making linters happy
- Foursquare_id -> FoursquareID, fuck BC

bot.go

@@ -49,7 +49,7 @@ func (b *Bot) poll(
 	callbacks chan Callback,
 	timeout time.Duration,
 ) {
-	var latestUpdate int64 = 0
+	var latestUpdate int64
 
 	for {
 		updates, err := getUpdates(b.Token,
@@ -462,8 +462,8 @@ func (b *Bot) SendVenue(recipient Recipient, venue *Venue, options *SendOptions)
 		"longitude": fmt.Sprintf("%f", venue.Location.Longitude),
 		"title":     venue.Title,
 		"address":   venue.Address}
-	if venue.Foursquare_id != "" {
-		params["foursquare_id"] = venue.Foursquare_id
+	if venue.FoursquareID != "" {
+		params["foursquare_id"] = venue.FoursquareID
 	}
 
 	if options != nil {
@@ -733,7 +733,7 @@ func (b *Bot) GetChatAdministrators(recipient Recipient) ([]ChatMember, error) {
 	var responseRecieved struct {
 		Ok          bool
 		Result      []ChatMember
-		Description string `json:"description",omitempty`
+		Description string `json:"description"`
 	}
 
 	err = json.Unmarshal(responseJSON, &responseRecieved)
@@ -763,7 +763,7 @@ func (b *Bot) GetChatMembersCount(recipient Recipient) (int, error) {
 	var responseRecieved struct {
 		Ok          bool
 		Result      int
-		Description string `json:"description",omitempty`
+		Description string `json:"description"`
 	}
 
 	err = json.Unmarshal(responseJSON, &responseRecieved)
@@ -793,7 +793,7 @@ func (b *Bot) GetUserProfilePhotos(recipient Recipient) (UserProfilePhotos, erro
 	var responseRecieved struct {
 		Ok          bool
 		Result      UserProfilePhotos
-		Description string `json:"description",omitempty`
+		Description string `json:"description"`
 	}
 
 	err = json.Unmarshal(responseJSON, &responseRecieved)
@@ -824,7 +824,7 @@ func (b *Bot) GetChatMember(recipient Recipient, user User) (ChatMember, error)
 	var responseRecieved struct {
 		Ok          bool
 		Result      ChatMember
-		Description string `json:"description",omitempty`
+		Description string `json:"description"`
 	}
 
 	err = json.Unmarshal(responseJSON, &responseRecieved)

input_types.go

@@ -19,7 +19,7 @@ type InputTextMessageContent struct {
 	ParseMode string `json:"parse_mode,omitempty"`
 
 	// Optional. Disables link previews for links in the sent message.
-	DisablePreview bool `json:"disable_web_page_preview`
+	DisablePreview bool `json:"disable_web_page_preview"`
 }
 
 func (input *InputTextMessageContent) IsInputMessageContent() bool {

message.go

@@ -129,9 +129,9 @@ type Message struct {
 	// Sender would lead to creator of the migration.
 	MigrateFrom int64 `json:"migrate_from_chat_id"`
 
-	Entities []MessageEntity `json:"entities",omitempty`
-	
-	Caption string `json:"caption",omitempty`
+	Entities []MessageEntity `json:"entities,omitempty"`
+
+	Caption string `json:"caption,omitempty"`
 }
 
 // Origin returns an origin of message: group chat / personal.

types.go

@@ -210,10 +210,10 @@ type CallbackResponse struct {
 
 // Venue object represents a venue location with name, address and optional foursquare id.
 type Venue struct {
-	Location      Location `json:"location"`
-	Title         string   `json:"title"`
-	Address       string   `json:"address"`
-	Foursquare_id string   `json:"foursquare_id",omitempty`
+	Location     Location `json:"location"`
+	Title        string   `json:"title"`
+	Address      string   `json:"address"`
+	FoursquareID string   `json:"foursquare_id,omitempty"`
 }
 
 // MessageEntity
@@ -234,10 +234,10 @@ type MessageEntity struct {
 	Length int `json:"length"`
 
 	//url	Optional. For “text_link” only, url that will be opened after user taps on the text
-	Url string `json:"url",omitempty`
+	Url string `json:"url,omitempty"`
 
 	//user	Optional. For “text_mention” only, the mentioned user
-	User User `json:"user",omitempty`
+	User User `json:"user,omitempty"`
 }
 
 // ChatMember ,