ampelmaennchen.git

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package matrix

import (
	"context"
	"errors"
	"fmt"
	"io"
	"io/fs"
	"os"

	"github.com/gabriel-vasile/mimetype"
	"maunium.net/go/mautrix"
	"maunium.net/go/mautrix/appservice"
	"maunium.net/go/mautrix/id"
)

func uploadImage(intent *appservice.IntentAPI, path string) (id.ContentURI, error) {
	info, err := os.Stat(path)
	if errors.Is(err, fs.ErrNotExist) {
		return id.ContentURI{}, nil
	}
	f, err := os.Open(path)
	if err != nil {
		return id.ContentURI{}, fmt.Errorf("while opening file: %w", err)
	}
	defer f.Close()
	mime, err := mimetype.DetectReader(f)
	if err != nil {
		return id.ContentURI{}, fmt.Errorf("while detecting mime: %w", err)
	}
	f.Seek(0, io.SeekStart)
	response, err := intent.UploadMedia(context.Background(), mautrix.ReqUploadMedia{
		Content:       f,
		ContentLength: info.Size(),
		ContentType:   mime.String(),
	})

	return response.ContentURI, err
}