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/inline/inline.go

@@ -0,0 +1,130 @@
+package inline
+
+import (
+	"context"
+	"io"
+	"time"
+
+	"github.com/go-faster/errors"
+
+	"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
+)
+
+// ResultBuilder is inline result builder.
+type ResultBuilder struct {
+	raw    *tg.Client
+	random io.Reader
+	// Set this flag if the results are composed of media files
+	gallery bool
+	// Set this flag if results may be cached on the server side only for the user that sent
+	// the query. By default, results may be returned to any user who sends the same query
+	private bool
+	// Unique identifier for the answered query
+	queryID int64
+	// The maximum amount of time in seconds that the result of the inline query may be
+	// cached on the server. Defaults to 300.
+	cacheTime int
+	// Pass the offset that a client should send in the next query with the same text to
+	// receive more results. Pass an empty string if there are no more results or if you
+	// don‘t support pagination. Offset length can’t exceed 64 bytes.
+	nextOffset string
+	// If passed, clients will display a button with specified text that switches the user to
+	// a private chat with the bot and sends the bot a start message with a certain parameter.
+	switchPm tg.InlineBotSwitchPM
+	// If passed, clients will display a button on top of the remaining inline result list
+	// with the specified text, that switches the user to the specified bot web app.
+	switchWebview tg.InlineBotWebView
+}
+
+// New creates new ResultBuilder.
+func New(raw *tg.Client, random io.Reader, queryID int64) *ResultBuilder {
+	return &ResultBuilder{raw: raw, random: random, queryID: queryID}
+}
+
+// Gallery sets flag if the results are composed of media files.
+func (r *ResultBuilder) Gallery(gallery bool) *ResultBuilder {
+	r.gallery = gallery
+	return r
+}
+
+// Private sets flag if results may be cached on the server side only for the user that sent
+// the query. By default, results may be returned to any user who sends the same query.
+func (r *ResultBuilder) Private(private bool) *ResultBuilder {
+	r.private = private
+	return r
+}
+
+// CacheTime sets the maximum amount of time that the result of the inline query may be
+// cached on the server. Server's default is 300 seconds.
+func (r *ResultBuilder) CacheTime(cacheTime time.Duration) *ResultBuilder {
+	return r.CacheTimeSeconds(int(cacheTime.Seconds()))
+}
+
+// CacheTimeSeconds sets the maximum amount of time in seconds that the result of the inline query may be
+// cached on the server. Server's default is 300.
+func (r *ResultBuilder) CacheTimeSeconds(cacheTime int) *ResultBuilder {
+	r.cacheTime = cacheTime
+	return r
+}
+
+// NextOffset sets offset that a client should send in the next query with the same text to
+// receive more results. Pass an empty string if there are no more results or if you
+// don‘t support pagination. Offset length can’t exceed 64 bytes.
+func (r *ResultBuilder) NextOffset(nextOffset string) *ResultBuilder {
+	r.nextOffset = nextOffset
+	return r
+}
+
+// SwitchPM sets SwitchPm field.
+//
+// If passed, clients will display a button with specified text that switches the user to
+// a private chat with the bot and sends the bot a start message with a certain parameter.
+func (r *ResultBuilder) SwitchPM(text, startParam string) *ResultBuilder {
+	r.switchPm = tg.InlineBotSwitchPM{
+		Text:       text,
+		StartParam: startParam,
+	}
+	return r
+}
+
+// SwitchWebview sets SwitchWebview field.
+//
+// If passed, clients will display a button on top of the remaining inline result list
+// with the specified text, that switches the user to the specified bot web app.
+func (r *ResultBuilder) SwitchWebview(text, url string) *ResultBuilder {
+	r.switchWebview = tg.InlineBotWebView{
+		Text: text,
+		URL:  url,
+	}
+	return r
+}
+
+// Set sets inline results for given query.
+func (r *ResultBuilder) Set(ctx context.Context, opts ...ResultOption) (bool, error) {
+	res := resultPageBuilder{
+		results: nil,
+		random:  r.random,
+	}
+
+	for idx, opt := range opts {
+		if err := opt.apply(&res); err != nil {
+			return false, errors.Wrapf(err, "apply %d option", idx+1)
+		}
+	}
+
+	ok, err := r.raw.MessagesSetInlineBotResults(ctx, &tg.MessagesSetInlineBotResultsRequest{
+		Private:       r.private,
+		QueryID:       r.queryID,
+		Results:       res.results,
+		CacheTime:     r.cacheTime,
+		NextOffset:    r.nextOffset,
+		SwitchPm:      r.switchPm,
+		Gallery:       r.gallery,
+		SwitchWebview: r.switchWebview,
+	})
+	if err != nil {
+		return false, errors.Wrap(err, "set inline results")
+	}
+
+	return ok, nil
+}