meowlib/message.go

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package meowlib
import (
"errors"
"os"
"path/filepath"
"github.com/google/uuid"
)
func (msg *UserMessage) AddFile(filename string, maxMessageSize int64) error {
fi, err := os.Stat(filename)
if err != nil {
return err
}
if fi.Size() > maxMessageSize {
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return errors.New("cannot add file, file bigger than message size")
}
var totalsize int64
totalsize = 0
for _, f := range msg.Files {
totalsize += int64(f.Size)
}
totalsize += fi.Size()
if totalsize > maxMessageSize {
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return errors.New("cannot add file, too many files, max message size exceeded")
}
data, err := os.ReadFile(filename)
if err != nil {
return err
}
var file File
file.Filename = filepath.Base(filename)
file.Size = uint64(fi.Size())
file.Data = data
msg.Files = append(msg.Files, &file)
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msg.Status = &ConversationStatus{}
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msg.Status.Uuid = uuid.New().String()
return nil
}