move gotd fork into repo. (#111)

- update to latest telegram layer
- remove some references to fields in tg.Entities that don't exist in
the schema
- originally added here:
https://github.com/beeper/td/commit/820929062a2ba0104397bc01235ab58a9cff780e
  - referenced here
-
https://github.com/mautrix/telegramgo/commit/124f0967ed195b5a380c9bd02e170ada9710dde3
-
https://github.com/mautrix/telegramgo/commit/4205047aab2e0639217148b5d125bfaab668bd8e

pkg/gotd/telegram/message/video.go

@@ -0,0 +1,101 @@
+package message
+
+import (
+	"context"
+	"time"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+// Video creates new VideoDocumentBuilder to create video attachment.
+func (u *UploadedDocumentBuilder) Video() *VideoDocumentBuilder {
+	b := u
+	if u.doc.MimeType == "" {
+		b = u.MIME(DefaultVideoMIME)
+	}
+	return &VideoDocumentBuilder{
+		doc:  b,
+		attr: tg.DocumentAttributeVideo{},
+	}
+}
+
+// RoundVideo creates new VideoDocumentBuilder to create round video attachment.
+func (u *UploadedDocumentBuilder) RoundVideo() *VideoDocumentBuilder {
+	return u.Video().Round()
+}
+
+// VideoDocumentBuilder is a Video media option.
+type VideoDocumentBuilder struct {
+	doc  *UploadedDocumentBuilder
+	attr tg.DocumentAttributeVideo
+}
+
+// Round sets flag to mark this video as round.
+func (u *VideoDocumentBuilder) Round() *VideoDocumentBuilder {
+	u.attr.RoundMessage = true
+	return u
+}
+
+// SupportsStreaming sets flag to mark this video as which supports streaming.
+func (u *VideoDocumentBuilder) SupportsStreaming() *VideoDocumentBuilder {
+	u.attr.SupportsStreaming = true
+	return u
+}
+
+// Resolution sets resolution of this video.
+func (u *VideoDocumentBuilder) Resolution(w, h int) *VideoDocumentBuilder {
+	u.attr.W = w
+	u.attr.H = h
+	return u
+}
+
+// Duration sets duration of video file.
+func (u *VideoDocumentBuilder) Duration(duration time.Duration) *VideoDocumentBuilder {
+	u.attr.Duration = duration.Seconds()
+	return u
+}
+
+// DurationSeconds sets duration in seconds.
+//
+// Deprecated: Use Duration instead. Telegram now supports fractional seconds.
+func (u *VideoDocumentBuilder) DurationSeconds(duration int) *VideoDocumentBuilder {
+	u.attr.Duration = float64(duration)
+	return u
+}
+
+// apply implements MediaOption.
+func (u *VideoDocumentBuilder) apply(ctx context.Context, b *multiMediaBuilder) error {
+	return u.doc.Attributes(&u.attr).apply(ctx, b)
+}
+
+// applyMulti implements MultiMediaOption.
+func (u *VideoDocumentBuilder) applyMulti(ctx context.Context, b *multiMediaBuilder) error {
+	return u.doc.Attributes(&u.attr).applyMulti(ctx, b)
+}
+
+// Video adds video attachment.
+func Video(file tg.InputFileClass, caption ...StyledTextOption) *VideoDocumentBuilder {
+	// TODO(tdakkota): better MIME and attributes building.
+	return UploadedDocument(file, caption...).Video()
+}
+
+// RoundVideo adds round video attachment.
+func RoundVideo(file tg.InputFileClass, caption ...StyledTextOption) *VideoDocumentBuilder {
+	return UploadedDocument(file, caption...).RoundVideo()
+}
+
+// Video sends video.
+func (b *Builder) Video(
+	ctx context.Context,
+	file tg.InputFileClass, caption ...StyledTextOption,
+) (tg.UpdatesClass, error) {
+	return b.Media(ctx, Video(file, caption...))
+}
+
+// RoundVideo sends round video.
+func (b *Builder) RoundVideo(
+	ctx context.Context,
+	file tg.InputFileClass, caption ...StyledTextOption,
+) (tg.UpdatesClass, error) {
+	return b.Media(ctx, RoundVideo(file, caption...))
+}