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_get_link_preview_gen.go

@@ -0,0 +1,238 @@
+// 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{}
+)
+
+// GetLinkPreviewRequest represents TL type `getLinkPreview#c2096321`.
+type GetLinkPreviewRequest struct {
+	// Message text with formatting
+	Text FormattedText
+	// Options to be used for generation of the link preview; pass null to use default link
+	// preview options
+	LinkPreviewOptions LinkPreviewOptions
+}
+
+// GetLinkPreviewRequestTypeID is TL type id of GetLinkPreviewRequest.
+const GetLinkPreviewRequestTypeID = 0xc2096321
+
+// Ensuring interfaces in compile-time for GetLinkPreviewRequest.
+var (
+	_ bin.Encoder     = &GetLinkPreviewRequest{}
+	_ bin.Decoder     = &GetLinkPreviewRequest{}
+	_ bin.BareEncoder = &GetLinkPreviewRequest{}
+	_ bin.BareDecoder = &GetLinkPreviewRequest{}
+)
+
+func (g *GetLinkPreviewRequest) Zero() bool {
+	if g == nil {
+		return true
+	}
+	if !(g.Text.Zero()) {
+		return false
+	}
+	if !(g.LinkPreviewOptions.Zero()) {
+		return false
+	}
+
+	return true
+}
+
+// String implements fmt.Stringer.
+func (g *GetLinkPreviewRequest) String() string {
+	if g == nil {
+		return "GetLinkPreviewRequest(nil)"
+	}
+	type Alias GetLinkPreviewRequest
+	return fmt.Sprintf("GetLinkPreviewRequest%+v", Alias(*g))
+}
+
+// TypeID returns type id in TL schema.
+//
+// See https://core.telegram.org/mtproto/TL-tl#remarks.
+func (*GetLinkPreviewRequest) TypeID() uint32 {
+	return GetLinkPreviewRequestTypeID
+}
+
+// TypeName returns name of type in TL schema.
+func (*GetLinkPreviewRequest) TypeName() string {
+	return "getLinkPreview"
+}
+
+// TypeInfo returns info about TL type.
+func (g *GetLinkPreviewRequest) TypeInfo() tdp.Type {
+	typ := tdp.Type{
+		Name: "getLinkPreview",
+		ID:   GetLinkPreviewRequestTypeID,
+	}
+	if g == nil {
+		typ.Null = true
+		return typ
+	}
+	typ.Fields = []tdp.Field{
+		{
+			Name:       "Text",
+			SchemaName: "text",
+		},
+		{
+			Name:       "LinkPreviewOptions",
+			SchemaName: "link_preview_options",
+		},
+	}
+	return typ
+}
+
+// Encode implements bin.Encoder.
+func (g *GetLinkPreviewRequest) Encode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getLinkPreview#c2096321 as nil")
+	}
+	b.PutID(GetLinkPreviewRequestTypeID)
+	return g.EncodeBare(b)
+}
+
+// EncodeBare implements bin.BareEncoder.
+func (g *GetLinkPreviewRequest) EncodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getLinkPreview#c2096321 as nil")
+	}
+	if err := g.Text.Encode(b); err != nil {
+		return fmt.Errorf("unable to encode getLinkPreview#c2096321: field text: %w", err)
+	}
+	if err := g.LinkPreviewOptions.Encode(b); err != nil {
+		return fmt.Errorf("unable to encode getLinkPreview#c2096321: field link_preview_options: %w", err)
+	}
+	return nil
+}
+
+// Decode implements bin.Decoder.
+func (g *GetLinkPreviewRequest) Decode(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getLinkPreview#c2096321 to nil")
+	}
+	if err := b.ConsumeID(GetLinkPreviewRequestTypeID); err != nil {
+		return fmt.Errorf("unable to decode getLinkPreview#c2096321: %w", err)
+	}
+	return g.DecodeBare(b)
+}
+
+// DecodeBare implements bin.BareDecoder.
+func (g *GetLinkPreviewRequest) DecodeBare(b *bin.Buffer) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getLinkPreview#c2096321 to nil")
+	}
+	{
+		if err := g.Text.Decode(b); err != nil {
+			return fmt.Errorf("unable to decode getLinkPreview#c2096321: field text: %w", err)
+		}
+	}
+	{
+		if err := g.LinkPreviewOptions.Decode(b); err != nil {
+			return fmt.Errorf("unable to decode getLinkPreview#c2096321: field link_preview_options: %w", err)
+		}
+	}
+	return nil
+}
+
+// EncodeTDLibJSON implements tdjson.TDLibEncoder.
+func (g *GetLinkPreviewRequest) EncodeTDLibJSON(b tdjson.Encoder) error {
+	if g == nil {
+		return fmt.Errorf("can't encode getLinkPreview#c2096321 as nil")
+	}
+	b.ObjStart()
+	b.PutID("getLinkPreview")
+	b.Comma()
+	b.FieldStart("text")
+	if err := g.Text.EncodeTDLibJSON(b); err != nil {
+		return fmt.Errorf("unable to encode getLinkPreview#c2096321: field text: %w", err)
+	}
+	b.Comma()
+	b.FieldStart("link_preview_options")
+	if err := g.LinkPreviewOptions.EncodeTDLibJSON(b); err != nil {
+		return fmt.Errorf("unable to encode getLinkPreview#c2096321: field link_preview_options: %w", err)
+	}
+	b.Comma()
+	b.StripComma()
+	b.ObjEnd()
+	return nil
+}
+
+// DecodeTDLibJSON implements tdjson.TDLibDecoder.
+func (g *GetLinkPreviewRequest) DecodeTDLibJSON(b tdjson.Decoder) error {
+	if g == nil {
+		return fmt.Errorf("can't decode getLinkPreview#c2096321 to nil")
+	}
+
+	return b.Obj(func(b tdjson.Decoder, key []byte) error {
+		switch string(key) {
+		case tdjson.TypeField:
+			if err := b.ConsumeID("getLinkPreview"); err != nil {
+				return fmt.Errorf("unable to decode getLinkPreview#c2096321: %w", err)
+			}
+		case "text":
+			if err := g.Text.DecodeTDLibJSON(b); err != nil {
+				return fmt.Errorf("unable to decode getLinkPreview#c2096321: field text: %w", err)
+			}
+		case "link_preview_options":
+			if err := g.LinkPreviewOptions.DecodeTDLibJSON(b); err != nil {
+				return fmt.Errorf("unable to decode getLinkPreview#c2096321: field link_preview_options: %w", err)
+			}
+		default:
+			return b.Skip()
+		}
+		return nil
+	})
+}
+
+// GetText returns value of Text field.
+func (g *GetLinkPreviewRequest) GetText() (value FormattedText) {
+	if g == nil {
+		return
+	}
+	return g.Text
+}
+
+// GetLinkPreviewOptions returns value of LinkPreviewOptions field.
+func (g *GetLinkPreviewRequest) GetLinkPreviewOptions() (value LinkPreviewOptions) {
+	if g == nil {
+		return
+	}
+	return g.LinkPreviewOptions
+}
+
+// GetLinkPreview invokes method getLinkPreview#c2096321 returning error if any.
+func (c *Client) GetLinkPreview(ctx context.Context, request *GetLinkPreviewRequest) (*LinkPreview, error) {
+	var result LinkPreview
+
+	if err := c.rpc.Invoke(ctx, request, &result); err != nil {
+		return nil, err
+	}
+	return &result, nil
+}