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/tg/tl_bots_get_preview_info_gen.go

@@ -0,0 +1,229 @@
+// Code generated by gotdgen, DO NOT EDIT.
+
+package tg
+
+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{}
+)
+
+// BotsGetPreviewInfoRequest represents TL type `bots.getPreviewInfo#423ab3ad`.
+// Bot owners only, fetch main mini app preview information, see here »¹ for more info.
+// Note: technically non-owners may also invoke this method, but it will always behave
+// exactly as bots.getPreviewMedias¹, returning only previews for the current language
+// and an empty lang_codes array, regardless of the passed lang_code, so please only use
+// bots.getPreviewMedias² if you're not the owner of the bot.
+//
+// Links:
+//  1. https://core.telegram.org/api/bots/webapps#main-mini-app-previews
+//  2. https://core.telegram.org/method/bots.getPreviewMedias
+//  3. https://core.telegram.org/method/bots.getPreviewMedias
+//
+// See https://core.telegram.org/method/bots.getPreviewInfo for reference.
+type BotsGetPreviewInfoRequest struct {
+	// The bot that owns the Main Mini App.
+	Bot InputUserClass
+	// Fetch previews for the specified ISO 639-1 language code.
+	LangCode string
+}
+
+// BotsGetPreviewInfoRequestTypeID is TL type id of BotsGetPreviewInfoRequest.
+const BotsGetPreviewInfoRequestTypeID = 0x423ab3ad
+
+// Ensuring interfaces in compile-time for BotsGetPreviewInfoRequest.
+var (
+	_ bin.Encoder     = &BotsGetPreviewInfoRequest{}
+	_ bin.Decoder     = &BotsGetPreviewInfoRequest{}
+	_ bin.BareEncoder = &BotsGetPreviewInfoRequest{}
+	_ bin.BareDecoder = &BotsGetPreviewInfoRequest{}
+)
+
+func (g *BotsGetPreviewInfoRequest) Zero() bool {
+	if g == nil {
+		return true
+	}
+	if !(g.Bot == nil) {
+		return false
+	}
+	if !(g.LangCode == "") {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (g *BotsGetPreviewInfoRequest) String() string {
+	if g == nil {
+		return "BotsGetPreviewInfoRequest(nil)"
+	}
+	type Alias BotsGetPreviewInfoRequest
+	return fmt.Sprintf("BotsGetPreviewInfoRequest%+v", Alias(*g))
+}
+
+// FillFrom fills BotsGetPreviewInfoRequest from given interface.
+func (g *BotsGetPreviewInfoRequest) FillFrom(from interface {
+	GetBot() (value InputUserClass)
+	GetLangCode() (value string)
+}) {
+	g.Bot = from.GetBot()
+	g.LangCode = from.GetLangCode()
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*BotsGetPreviewInfoRequest) TypeID() uint32 {
+	return BotsGetPreviewInfoRequestTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*BotsGetPreviewInfoRequest) TypeName() string {
+	return "bots.getPreviewInfo"
+}
+
+// TypeInfo returns info about TL type.
+func (g *BotsGetPreviewInfoRequest) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "bots.getPreviewInfo",
+		ID:   BotsGetPreviewInfoRequestTypeID,
+	}
+	if g == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Bot",
+			SchemaName: "bot",
+		},
+		{
+			Name:       "LangCode",
+			SchemaName: "lang_code",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (g *BotsGetPreviewInfoRequest) Encode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode bots.getPreviewInfo#423ab3ad as nil")
+	}
+	b.PutID(BotsGetPreviewInfoRequestTypeID)
+	return g.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (g *BotsGetPreviewInfoRequest) EncodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode bots.getPreviewInfo#423ab3ad as nil")
+	}
+	if g.Bot == nil {
+		return fmt.Errorf("unable to encode bots.getPreviewInfo#423ab3ad: field bot is nil")
+	}
+	if err := g.Bot.Encode(b); err != nil {
+		return fmt.Errorf("unable to encode bots.getPreviewInfo#423ab3ad: field bot: %w", err)
+	}
+	b.PutString(g.LangCode)
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (g *BotsGetPreviewInfoRequest) Decode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode bots.getPreviewInfo#423ab3ad to nil")
+	}
+	if err := b.ConsumeID(BotsGetPreviewInfoRequestTypeID); err != nil {
+		return fmt.Errorf("unable to decode bots.getPreviewInfo#423ab3ad: %w", err)
+	}
+	return g.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (g *BotsGetPreviewInfoRequest) DecodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode bots.getPreviewInfo#423ab3ad to nil")
+	}
+	{
+		value, err := DecodeInputUser(b)
+		if err != nil {
+			return fmt.Errorf("unable to decode bots.getPreviewInfo#423ab3ad: field bot: %w", err)
+		}
+		g.Bot = value
+	}
+	{
+		value, err := b.String()
+		if err != nil {
+			return fmt.Errorf("unable to decode bots.getPreviewInfo#423ab3ad: field lang_code: %w", err)
+		}
+		g.LangCode = value
+	}
+	return nil
+}
+
+// GetBot returns value of Bot field.
+func (g *BotsGetPreviewInfoRequest) GetBot() (value InputUserClass) {
+	if g == nil {
+		return
+	}
+	return g.Bot
+}
+
+// GetLangCode returns value of LangCode field.
+func (g *BotsGetPreviewInfoRequest) GetLangCode() (value string) {
+	if g == nil {
+		return
+	}
+	return g.LangCode
+}
+
+// BotsGetPreviewInfo invokes method bots.getPreviewInfo#423ab3ad returning error if any.
+// Bot owners only, fetch main mini app preview information, see here »¹ for more info.
+// Note: technically non-owners may also invoke this method, but it will always behave
+// exactly as bots.getPreviewMedias¹, returning only previews for the current language
+// and an empty lang_codes array, regardless of the passed lang_code, so please only use
+// bots.getPreviewMedias² if you're not the owner of the bot.
+//
+// Links:
+//  1. https://core.telegram.org/api/bots/webapps#main-mini-app-previews
+//  2. https://core.telegram.org/method/bots.getPreviewMedias
+//  3. https://core.telegram.org/method/bots.getPreviewMedias
+//
+// Possible errors:
+//
+//	400 BOT_INVALID: This is not a valid bot.
+//
+// See https://core.telegram.org/method/bots.getPreviewInfo for reference.
+func (c *Client) BotsGetPreviewInfo(ctx context.Context, request *BotsGetPreviewInfoRequest) (*BotsPreviewInfo, error) {
+	var result BotsPreviewInfo
+
+	if err := c.rpc.Invoke(ctx, request, &result); err != nil {
+		return nil, err
+	}
+	return &result, nil
+}