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package bmsteams
import (
"encoding/json"
"fmt"
"io/ioutil"
"strings"
"github.com/42wim/matterbridge/bridge/config"
"github.com/42wim/matterbridge/bridge/helper"
msgraph "github.com/matterbridge/msgraph.go/beta"
)
func (b *Bmsteams) findFile(weburl string) (string, error) {
itemRB, err := b.gc.GetDriveItemByURL(b.ctx, weburl)
if err != nil {
return "", err
}
itemRB.Workbook().Worksheets()
b.gc.Workbooks()
item, err := itemRB.Request().Get(b.ctx)
if err != nil {
return "", err
}
if url, ok := item.GetAdditionalData("@microsoft.graph.downloadUrl"); ok {
return url.(string), nil
}
return "", nil
}
// handleDownloadFile handles file download
func (b *Bmsteams) handleDownloadFile(rmsg *config.Message, filename, weburl string) error {
realURL, err := b.findFile(weburl)
if err != nil {
return err
}
// Actually download the file.
data, err := helper.DownloadFile(realURL)
if err != nil {
return fmt.Errorf("download %s failed %#v", weburl, err)
}
// If a comment is attached to the file(s) it is in the 'Text' field of the teams messge event
// and should be added as comment to only one of the files. We reset the 'Text' field to ensure
// that the comment is not duplicated.
comment := rmsg.Text
rmsg.Text = ""
helper.HandleDownloadData(b.Log, rmsg, filename, comment, weburl, data, b.General)
return nil
}
func (b *Bmsteams) handleAttachments(rmsg *config.Message, msg msgraph.ChatMessage) {
for _, a := range msg.Attachments {
//remove the attachment tags from the text
rmsg.Text = attachRE.ReplaceAllString(rmsg.Text, "")
//handle a code snippet (code block)
if *a.ContentType == "application/vnd.microsoft.card.codesnippet" {
b.handleCodeSnippet(rmsg, a)
continue
}
//handle the download
err := b.handleDownloadFile(rmsg, *a.Name, *a.ContentURL)
if err != nil {
b.Log.Errorf("download of %s failed: %s", *a.Name, err)
}
}
}
type AttachContent struct {
Language string `json:"language"`
CodeSnippetURL string `json:"codeSnippetUrl"`
}
func (b *Bmsteams) handleCodeSnippet(rmsg *config.Message, attach msgraph.ChatMessageAttachment) {
var content AttachContent
err := json.Unmarshal([]byte(*attach.Content), &content)
if err != nil {
b.Log.Errorf("unmarshal codesnippet failed: %s", err)
return
}
s := strings.Split(content.CodeSnippetURL, "/")
if len(s) != 13 {
b.Log.Errorf("codesnippetUrl has unexpected size: %s", content.CodeSnippetURL)
return
}
resp, err := b.gc.Teams().Request().Client().Get(content.CodeSnippetURL)
if err != nil {
b.Log.Errorf("retrieving snippet content failed:%s", err)
return
}
defer resp.Body.Close()
res, err := ioutil.ReadAll(resp.Body)
if err != nil {
b.Log.Errorf("reading snippet data failed: %s", err)
return
}
rmsg.Text = rmsg.Text + "\n```" + content.Language + "\n" + string(res) + "\n```\n"
}
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