Adam Van Ymeren
7a04f298d2
- 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
45 lines
1.3 KiB
Go
45 lines
1.3 KiB
Go
package telegram
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import (
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"context"
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"go.mau.fi/mautrix-telegram/pkg/gotd/bin"
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"go.mau.fi/mautrix-telegram/pkg/gotd/tg"
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)
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// InvokeFunc implements tg.Invoker as function.
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type InvokeFunc func(ctx context.Context, input bin.Encoder, output bin.Decoder) error
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// Invoke implements tg.Invoker.
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func (i InvokeFunc) Invoke(ctx context.Context, input bin.Encoder, output bin.Decoder) error {
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return i(ctx, input, output)
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}
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// Middleware returns new InvokeFunc for next invoker.
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type Middleware interface {
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Handle(next tg.Invoker) InvokeFunc
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}
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// MiddlewareFunc implements Middleware as function.
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type MiddlewareFunc func(next tg.Invoker) InvokeFunc
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// Handle implements Middleware.
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func (m MiddlewareFunc) Handle(next tg.Invoker) InvokeFunc { return m(next) }
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// chainMiddlewares composes new invoker in such order that first element in
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// chain is called first, and latest "next" argument will be "invoker".
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//
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// E.g. we have invoker and two middlewares, so order will be following:
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// 0, 1, (invoker), 1 (after "next"), 0 (after "next").
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//
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// See TestMiddlewareOrder or ExampleMiddleware.
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func chainMiddlewares(invoker tg.Invoker, chain ...Middleware) tg.Invoker {
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if len(chain) == 0 {
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return invoker
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}
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for i := len(chain) - 1; i >= 0; i-- {
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invoker = chain[i].Handle(invoker)
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}
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return invoker
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}
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