Add vk bridge (#1372)

* Add vk bridge

* Vk bridge attachments

* Vk bridge forwarded messages

* Vk bridge sample config and code cleanup

* Vk bridge add vendor

* Vk bridge message edit

* Vk bridge: fix fetching names of other bots

* Vk bridge: code cleanup

* Vk bridge: fix shadows declaration

* Vk bridge: remove UseFileURL

1 files changed, 339 insertions, 0 deletions

diff --git a/vendor/github.com/SevereCloud/vksdk/v2/object/photos.go b/vendor/github.com/SevereCloud/vksdk/v2/object/photos.go
new file mode 100644
index 00000000..5adfcae8
--- /dev/null
+++ b/vendor/github.com/SevereCloud/vksdk/v2/object/photos.go
@@ -0,0 +1,339 @@
+package object // import "github.com/SevereCloud/vksdk/v2/object"
+
+import (
+	"fmt"
+)
+
+// PhotosPhoto struct.
+type PhotosPhoto struct {
+	AccessKey          string             `json:"access_key"` // Access key for the photo
+	AlbumID            int                `json:"album_id"`   // Album ID
+	Date               int                `json:"date"`       // Date when uploaded
+	Height             int                `json:"height"`     // Original photo height
+	ID                 int                `json:"id"`         // Photo ID
+	Images             []PhotosImage      `json:"images"`
+	Lat                float64            `json:"lat"`      // Latitude
+	Long               float64            `json:"long"`     // Longitude
+	OwnerID            int                `json:"owner_id"` // Photo owner's ID
+	PostID             int                `json:"post_id"`  // Post ID
+	Text               string             `json:"text"`     // Photo caption
+	UserID             int                `json:"user_id"`  // ID of the user who have uploaded the photo
+	Width              int                `json:"width"`    // Original photo width
+	CanUpload          BaseBoolInt        `json:"can_upload"`
+	CommentsDisabled   BaseBoolInt        `json:"comments_disabled"`
+	ThumbIsLast        BaseBoolInt        `json:"thumb_is_last"`
+	UploadByAdminsOnly BaseBoolInt        `json:"upload_by_admins_only"`
+	HasTags            BaseBoolInt        `json:"has_tags"`
+	Created            int                `json:"created"`
+	Description        string             `json:"description"`
+	PrivacyComment     []string           `json:"privacy_comment"`
+	PrivacyView        []string           `json:"privacy_view"`
+	Size               int                `json:"size"`
+	Sizes              []PhotosPhotoSizes `json:"sizes"`
+	ThumbID            int                `json:"thumb_id"`
+	ThumbSrc           string             `json:"thumb_src"`
+	Title              string             `json:"title"`
+	Updated            int                `json:"updated"`
+	Color              string             `json:"color"`
+}
+
+// ToAttachment return attachment format.
+func (photo PhotosPhoto) ToAttachment() string {
+	return fmt.Sprintf("photo%d_%d", photo.OwnerID, photo.ID)
+}
+
+// MaxSize return the largest PhotosPhotoSizes.
+func (photo PhotosPhoto) MaxSize() (maxPhotoSize PhotosPhotoSizes) {
+	var max float64
+
+	for _, photoSize := range photo.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size > max {
+			max = size
+			maxPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// MinSize return the smallest PhotosPhotoSizes.
+func (photo PhotosPhoto) MinSize() (minPhotoSize PhotosPhotoSizes) {
+	var min float64
+
+	for _, photoSize := range photo.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size < min || min == 0 {
+			min = size
+			minPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// PhotosCommentXtrPid struct.
+type PhotosCommentXtrPid struct {
+	Attachments    []WallCommentAttachment `json:"attachments"`
+	Date           int                     `json:"date"`    // Date when the comment has been added in Unixtime
+	FromID         int                     `json:"from_id"` // Author ID
+	ID             int                     `json:"id"`      // Comment ID
+	Likes          BaseLikesInfo           `json:"likes"`
+	ParentsStack   []int                   `json:"parents_stack"`
+	Pid            int                     `json:"pid"`              // Photo ID
+	ReplyToComment int                     `json:"reply_to_comment"` // Replied comment ID
+	ReplyToUser    int                     `json:"reply_to_user"`    // Replied user ID
+	Text           string                  `json:"text"`             // Comment text
+	Thread         WallWallCommentThread   `json:"thread"`
+}
+
+// PhotosImage struct.
+type PhotosImage struct {
+	BaseImage
+	Type string `json:"type"`
+}
+
+// PhotosChatUploadResponse struct.
+type PhotosChatUploadResponse struct {
+	Response string `json:"response"` // Uploaded photo data
+}
+
+// PhotosMarketAlbumUploadResponse struct.
+type PhotosMarketAlbumUploadResponse struct {
+	GID    int    `json:"gid"`    // Community ID
+	Hash   string `json:"hash"`   // Uploading hash
+	Photo  string `json:"photo"`  // Uploaded photo data
+	Server int    `json:"server"` // Upload server number
+}
+
+// PhotosMarketUploadResponse struct.
+type PhotosMarketUploadResponse struct {
+	CropData string `json:"crop_data"` // Crop data
+	CropHash string `json:"crop_hash"` // Crop hash
+	GroupID  int    `json:"group_id"`  // Community ID
+	Hash     string `json:"hash"`      // Uploading hash
+	Photo    string `json:"photo"`     // Uploaded photo data
+	Server   int    `json:"server"`    // Upload server number
+}
+
+// PhotosMessageUploadResponse struct.
+type PhotosMessageUploadResponse struct {
+	Hash   string `json:"hash"`   // Uploading hash
+	Photo  string `json:"photo"`  // Uploaded photo data
+	Server int    `json:"server"` // Upload server number
+}
+
+// PhotosOwnerUploadResponse struct.
+type PhotosOwnerUploadResponse struct {
+	Hash   string `json:"hash"`   // Uploading hash
+	Photo  string `json:"photo"`  // Uploaded photo data
+	Server int    `json:"server"` // Upload server number
+}
+
+// PhotosPhotoAlbum struct.
+type PhotosPhotoAlbum struct {
+	Created     int         `json:"created"`     // Date when the album has been created in Unixtime
+	Description string      `json:"description"` // Photo album description
+	ID          string      `json:"id"`          // BUG(VK): Photo album ID
+	OwnerID     int         `json:"owner_id"`    // Album owner's ID
+	Size        int         `json:"size"`        // Photos number
+	Thumb       PhotosPhoto `json:"thumb"`
+	Title       string      `json:"title"`   // Photo album title
+	Updated     int         `json:"updated"` // Date when the album has been updated last time in Unixtime
+}
+
+// ToAttachment return attachment format.
+func (album PhotosPhotoAlbum) ToAttachment() string {
+	return fmt.Sprintf("album%d_%s", album.OwnerID, album.ID)
+}
+
+// PhotosPhotoAlbumFull struct.
+type PhotosPhotoAlbumFull struct {
+	// Information whether current user can upload photo to the album.
+	CanUpload        BaseBoolInt        `json:"can_upload"`
+	CommentsDisabled BaseBoolInt        `json:"comments_disabled"` // Information whether album comments are disabled
+	Created          int                `json:"created"`           // Date when the album has been created in Unixtime
+	Description      string             `json:"description"`       // Photo album description
+	ID               int                `json:"id"`                // Photo album ID
+	OwnerID          int                `json:"owner_id"`          // Album owner's ID
+	Size             int                `json:"size"`              // Photos number
+	PrivacyComment   Privacy            `json:"privacy_comment"`
+	PrivacyView      Privacy            `json:"privacy_view"`
+	Sizes            []PhotosPhotoSizes `json:"sizes"`
+	ThumbID          int                `json:"thumb_id"` // Thumb photo ID
+
+	// Information whether the album thumb is last photo.
+	ThumbIsLast int    `json:"thumb_is_last"`
+	ThumbSrc    string `json:"thumb_src"` // URL of the thumb image
+	Title       string `json:"title"`     // Photo album title
+
+	// Date when the album has been updated last time in Unixtime.
+	Updated int `json:"updated"`
+
+	// Information whether only community administrators can upload photos.
+	UploadByAdminsOnly int `json:"upload_by_admins_only"`
+}
+
+// ToAttachment return attachment format.
+func (album PhotosPhotoAlbumFull) ToAttachment() string {
+	return fmt.Sprintf("album%d_%d", album.OwnerID, album.ID)
+}
+
+// MaxSize return the largest PhotosPhotoSizes.
+func (album PhotosPhotoAlbumFull) MaxSize() (maxPhotoSize PhotosPhotoSizes) {
+	var max float64
+
+	for _, photoSize := range album.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size > max {
+			max = size
+			maxPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// MinSize return the smallest PhotosPhotoSizes.
+func (album PhotosPhotoAlbumFull) MinSize() (minPhotoSize PhotosPhotoSizes) {
+	var min float64
+
+	for _, photoSize := range album.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size < min || min == 0 {
+			min = size
+			minPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// PhotosPhotoFull struct.
+type PhotosPhotoFull struct {
+	AccessKey  string             `json:"access_key"`  // Access key for the photo
+	AlbumID    int                `json:"album_id"`    // Album ID
+	CanComment BaseBoolInt        `json:"can_comment"` // Information whether current user can comment the photo
+	CanRepost  BaseBoolInt        `json:"can_repost"`  // Information whether current user can repost the photo
+	HasTags    BaseBoolInt        `json:"has_tags"`
+	Comments   BaseObjectCount    `json:"comments"`
+	Date       int                `json:"date"`   // Date when uploaded
+	Height     int                `json:"height"` // Original photo height
+	ID         int                `json:"id"`     // Photo ID
+	Images     []PhotosImage      `json:"images"`
+	Lat        float64            `json:"lat"` // Latitude
+	Likes      BaseLikes          `json:"likes"`
+	Long       float64            `json:"long"`     // Longitude
+	OwnerID    int                `json:"owner_id"` // Photo owner's ID
+	PostID     int                `json:"post_id"`  // Post ID
+	Reposts    BaseRepostsInfo    `json:"reposts"`
+	Tags       BaseObjectCount    `json:"tags"`
+	Text       string             `json:"text"`       // Photo caption
+	UserID     int                `json:"user_id"`    // ID of the user who have uploaded the photo
+	Width      int                `json:"width"`      // Original photo width
+	Hidden     int                `json:"hidden"`     // Returns if the photo is hidden above the wall
+	Photo75    string             `json:"photo_75"`   // URL of image with 75 px width
+	Photo130   string             `json:"photo_130"`  // URL of image with 130 px width
+	Photo604   string             `json:"photo_604"`  // URL of image with 604 px width
+	Photo807   string             `json:"photo_807"`  // URL of image with 807 px width
+	Photo1280  string             `json:"photo_1280"` // URL of image with 1280 px width
+	Photo2560  string             `json:"photo_2560"` // URL of image with 2560 px width
+	Sizes      []PhotosPhotoSizes `json:"sizes"`
+}
+
+// ToAttachment return attachment format.
+func (photo PhotosPhotoFull) ToAttachment() string {
+	return fmt.Sprintf("photo%d_%d", photo.OwnerID, photo.ID)
+}
+
+// MaxSize return the largest PhotosPhotoSizes.
+func (photo PhotosPhotoFull) MaxSize() (maxPhotoSize PhotosPhotoSizes) {
+	var max float64
+
+	for _, photoSize := range photo.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size > max {
+			max = size
+			maxPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// MinSize return the smallest PhotosPhotoSizes.
+func (photo PhotosPhotoFull) MinSize() (minPhotoSize PhotosPhotoSizes) {
+	var min float64
+
+	for _, photoSize := range photo.Sizes {
+		size := photoSize.Height * photoSize.Width
+		if size < min || min == 0 {
+			min = size
+			minPhotoSize = photoSize
+		}
+	}
+
+	return
+}
+
+// PhotosPhotoFullXtrRealOffset struct.
+type PhotosPhotoFullXtrRealOffset struct {
+	PhotosPhotoFull
+	RealOffset int `json:"real_offset"` // Real position of the photo
+}
+
+// PhotosPhotoSizes struct.
+type PhotosPhotoSizes struct {
+	// BUG(VK): json: cannot unmarshal number 180.000000 into Go struct field PhotosPhotoSizes.height of type int
+	BaseImage
+}
+
+// PhotosPhotoTag struct.
+type PhotosPhotoTag struct {
+	Date        int         `json:"date"`        // Date when tag has been added in Unixtime
+	ID          int         `json:"id"`          // Tag ID
+	PlacerID    int         `json:"placer_id"`   // ID of the tag creator
+	TaggedName  string      `json:"tagged_name"` // Tag description
+	Description string      `json:"description"` // Tagged description.
+	UserID      int         `json:"user_id"`     // Tagged user ID
+	Viewed      BaseBoolInt `json:"viewed"`      // Information whether the tag is reviewed
+	X           float64     `json:"x"`           // Coordinate X of the left upper corner
+	X2          float64     `json:"x2"`          // Coordinate X of the right lower corner
+	Y           float64     `json:"y"`           // Coordinate Y of the left upper corner
+	Y2          float64     `json:"y2"`          // Coordinate Y of the right lower corner
+}
+
+// PhotosPhotoUpload struct.
+type PhotosPhotoUpload struct {
+	AlbumID   int    `json:"album_id"`   // Album ID
+	UploadURL string `json:"upload_url"` // URL to upload photo
+	UserID    int    `json:"user_id"`    // User ID
+}
+
+// PhotosPhotoUploadResponse struct.
+type PhotosPhotoUploadResponse struct {
+	AID        int    `json:"aid"`         // Album ID
+	Hash       string `json:"hash"`        // Uploading hash
+	PhotosList string `json:"photos_list"` // Uploaded photos data
+	Server     int    `json:"server"`      // Upload server number
+}
+
+// PhotosPhotoXtrRealOffset struct.
+type PhotosPhotoXtrRealOffset struct {
+	PhotosPhoto
+	RealOffset int `json:"real_offset"` // Real position of the photo
+}
+
+// PhotosPhotoXtrTagInfo struct.
+type PhotosPhotoXtrTagInfo struct {
+	PhotosPhoto
+	TagCreated int `json:"tag_created"` // Date when tag has been added in Unixtime
+	TagID      int `json:"tag_id"`      // Tag ID
+}
+
+// PhotosWallUploadResponse struct.
+type PhotosWallUploadResponse struct {
+	Hash   string `json:"hash"`   // Uploading hash
+	Photo  string `json:"photo"`  // Uploaded photo data
+	Server int    `json:"server"` // Upload server number
+}