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/tdapi/tl_business_start_page_gen.go

@@ -0,0 +1,261 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package tdapi
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sort"
+	"strings"
+
+	"go.uber.org/multierr"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdjson"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tdp"
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tgerr"
+)
+
+// No-op definition for keeping imports.
+var (
+	_ = bin.Buffer{}
+	_ = context.Background()
+	_ = fmt.Stringer(nil)
+	_ = strings.Builder{}
+	_ = errors.Is
+	_ = multierr.AppendInto
+	_ = sort.Ints
+	_ = tdp.Format
+	_ = tgerr.Error{}
+	_ = tdjson.Encoder{}
+)
+
+// BusinessStartPage represents TL type `businessStartPage#9fa2f7cf`.
+type BusinessStartPage struct {
+	// Title text of the start page
+	Title string
+	// Message text of the start page
+	Message string
+	// Greeting sticker of the start page; may be null if none
+	Sticker Sticker
+}
+
+// BusinessStartPageTypeID is TL type id of BusinessStartPage.
+const BusinessStartPageTypeID = 0x9fa2f7cf
+
+// Ensuring interfaces in compile-time for BusinessStartPage.
+var (
+	_ bin.Encoder     = &BusinessStartPage{}
+	_ bin.Decoder     = &BusinessStartPage{}
+	_ bin.BareEncoder = &BusinessStartPage{}
+	_ bin.BareDecoder = &BusinessStartPage{}
+)
+
+func (b *BusinessStartPage) Zero() bool {
+	if b == nil {
+		return true
+	}
+	if !(b.Title == "") {
+		return false
+	}
+	if !(b.Message == "") {
+		return false
+	}
+	if !(b.Sticker.Zero()) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (b *BusinessStartPage) String() string {
+	if b == nil {
+		return "BusinessStartPage(nil)"
+	}
+	type Alias BusinessStartPage
+	return fmt.Sprintf("BusinessStartPage%+v", Alias(*b))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*BusinessStartPage) TypeID() uint32 {
+	return BusinessStartPageTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*BusinessStartPage) TypeName() string {
+	return "businessStartPage"
+}
+
+// TypeInfo returns info about TL type.
+func (b *BusinessStartPage) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "businessStartPage",
+		ID:   BusinessStartPageTypeID,
+	}
+	if b == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Title",
+			SchemaName: "title",
+		},
+		{
+			Name:       "Message",
+			SchemaName: "message",
+		},
+		{
+			Name:       "Sticker",
+			SchemaName: "sticker",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (b *BusinessStartPage) Encode(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
+	}
+	buf.PutID(BusinessStartPageTypeID)
+	return b.EncodeBare(buf)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (b *BusinessStartPage) EncodeBare(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
+	}
+	buf.PutString(b.Title)
+	buf.PutString(b.Message)
+	if err := b.Sticker.Encode(buf); err != nil {
+		return fmt.Errorf("unable to encode businessStartPage#9fa2f7cf: field sticker: %w", err)
+	}
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (b *BusinessStartPage) Decode(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
+	}
+	if err := buf.ConsumeID(BusinessStartPageTypeID); err != nil {
+		return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: %w", err)
+	}
+	return b.DecodeBare(buf)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (b *BusinessStartPage) DecodeBare(buf *bin.Buffer) error {
+	if b == nil {
+		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
+	}
+	{
+		value, err := buf.String()
+		if err != nil {
+			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field title: %w", err)
+		}
+		b.Title = value
+	}
+	{
+		value, err := buf.String()
+		if err != nil {
+			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field message: %w", err)
+		}
+		b.Message = value
+	}
+	{
+		if err := b.Sticker.Decode(buf); err != nil {
+			return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field sticker: %w", err)
+		}
+	}
+	return nil
+}
+
+// EncodeTDLibJSON implements tdjson.TDLibEncoder.
+func (b *BusinessStartPage) EncodeTDLibJSON(buf tdjson.Encoder) error {
+	if b == nil {
+		return fmt.Errorf("can't encode businessStartPage#9fa2f7cf as nil")
+	}
+	buf.ObjStart()
+	buf.PutID("businessStartPage")
+	buf.Comma()
+	buf.FieldStart("title")
+	buf.PutString(b.Title)
+	buf.Comma()
+	buf.FieldStart("message")
+	buf.PutString(b.Message)
+	buf.Comma()
+	buf.FieldStart("sticker")
+	if err := b.Sticker.EncodeTDLibJSON(buf); err != nil {
+		return fmt.Errorf("unable to encode businessStartPage#9fa2f7cf: field sticker: %w", err)
+	}
+	buf.Comma()
+	buf.StripComma()
+	buf.ObjEnd()
+	return nil
+}
+
+// DecodeTDLibJSON implements tdjson.TDLibDecoder.
+func (b *BusinessStartPage) DecodeTDLibJSON(buf tdjson.Decoder) error {
+	if b == nil {
+		return fmt.Errorf("can't decode businessStartPage#9fa2f7cf to nil")
+	}
+
+	return buf.Obj(func(buf tdjson.Decoder, key []byte) error {
+		switch string(key) {
+		case tdjson.TypeField:
+			if err := buf.ConsumeID("businessStartPage"); err != nil {
+				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: %w", err)
+			}
+		case "title":
+			value, err := buf.String()
+			if err != nil {
+				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field title: %w", err)
+			}
+			b.Title = value
+		case "message":
+			value, err := buf.String()
+			if err != nil {
+				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field message: %w", err)
+			}
+			b.Message = value
+		case "sticker":
+			if err := b.Sticker.DecodeTDLibJSON(buf); err != nil {
+				return fmt.Errorf("unable to decode businessStartPage#9fa2f7cf: field sticker: %w", err)
+			}
+		default:
+			return buf.Skip()
+		}
+		return nil
+	})
+}
+
+// GetTitle returns value of Title field.
+func (b *BusinessStartPage) GetTitle() (value string) {
+	if b == nil {
+		return
+	}
+	return b.Title
+}
+
+// GetMessage returns value of Message field.
+func (b *BusinessStartPage) GetMessage() (value string) {
+	if b == nil {
+		return
+	}
+	return b.Message
+}
+
+// GetSticker returns value of Sticker field.
+func (b *BusinessStartPage) GetSticker() (value Sticker) {
+	if b == nil {
+		return
+	}
+	return b.Sticker
+}