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

vendor/github.com/SevereCloud/vksdk/v2/api/utils.go

@@ -0,0 +1,105 @@
+package api // import "github.com/SevereCloud/vksdk/v2/api"
+
+import (
+	"encoding/json"
+
+	"github.com/SevereCloud/vksdk/v2/object"
+)
+
+// UtilsCheckLinkResponse struct.
+type UtilsCheckLinkResponse object.UtilsLinkChecked
+
+// UtilsCheckLink checks whether a link is blocked in VK.
+//
+// https://vk.com/dev/utils.checkLink
+func (vk *VK) UtilsCheckLink(params Params) (response UtilsCheckLinkResponse, err error) {
+	err = vk.RequestUnmarshal("utils.checkLink", &response, params)
+	return
+}
+
+// UtilsDeleteFromLastShortened deletes shortened link from user's list.
+//
+// https://vk.com/dev/utils.deleteFromLastShortened
+func (vk *VK) UtilsDeleteFromLastShortened(params Params) (response int, err error) {
+	err = vk.RequestUnmarshal("utils.deleteFromLastShortened", &response, params)
+	return
+}
+
+// UtilsGetLastShortenedLinksResponse struct.
+type UtilsGetLastShortenedLinksResponse struct {
+	Count int                             `json:"count"`
+	Items []object.UtilsLastShortenedLink `json:"items"`
+}
+
+// UtilsGetLastShortenedLinks returns a list of user's shortened links.
+//
+// https://vk.com/dev/utils.getLastShortenedLinks
+func (vk *VK) UtilsGetLastShortenedLinks(params Params) (response UtilsGetLastShortenedLinksResponse, err error) {
+	err = vk.RequestUnmarshal("utils.getLastShortenedLinks", &response, params)
+	return
+}
+
+// UtilsGetLinkStatsResponse struct.
+type UtilsGetLinkStatsResponse object.UtilsLinkStats
+
+// UtilsGetLinkStats returns stats data for shortened link.
+//
+// 	extended=0
+//
+// https://vk.com/dev/utils.getLinkStats
+func (vk *VK) UtilsGetLinkStats(params Params) (response UtilsGetLinkStatsResponse, err error) {
+	err = vk.RequestUnmarshal("utils.getLinkStats", &response, params, Params{"extended": false})
+
+	return
+}
+
+// UtilsGetLinkStatsExtendedResponse struct.
+type UtilsGetLinkStatsExtendedResponse object.UtilsLinkStatsExtended
+
+// UtilsGetLinkStatsExtended returns stats data for shortened link.
+//
+// 	extended=1
+//
+// https://vk.com/dev/utils.getLinkStats
+func (vk *VK) UtilsGetLinkStatsExtended(params Params) (response UtilsGetLinkStatsExtendedResponse, err error) {
+	err = vk.RequestUnmarshal("utils.getLinkStats", &response, params, Params{"extended": true})
+
+	return
+}
+
+// UtilsGetServerTime returns the current time of the VK server.
+//
+// https://vk.com/dev/utils.getServerTime
+func (vk *VK) UtilsGetServerTime(params Params) (response int, err error) {
+	err = vk.RequestUnmarshal("utils.getServerTime", &response, params)
+	return
+}
+
+// UtilsGetShortLinkResponse struct.
+type UtilsGetShortLinkResponse object.UtilsShortLink
+
+// UtilsGetShortLink allows to receive a link shortened via vk.cc.
+//
+// https://vk.com/dev/utils.getShortLink
+func (vk *VK) UtilsGetShortLink(params Params) (response UtilsGetShortLinkResponse, err error) {
+	err = vk.RequestUnmarshal("utils.getShortLink", &response, params)
+	return
+}
+
+// UtilsResolveScreenNameResponse struct.
+type UtilsResolveScreenNameResponse object.UtilsDomainResolved
+
+// UtilsResolveScreenName detects a type of object (e.g., user, community, application) and its ID by screen name.
+//
+// https://vk.com/dev/utils.resolveScreenName
+func (vk *VK) UtilsResolveScreenName(params Params) (response UtilsResolveScreenNameResponse, err error) {
+	rawResponse, err := vk.Request("utils.resolveScreenName", params)
+	// Если короткое имя screen_name не занято, то будет возвращён пустой объект.
+	if err != nil || string(rawResponse) == "[]" {
+		return
+	}
+
+	err = json.Unmarshal(rawResponse, &response)
+
+	return
+}