50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package usecases
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import (
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"bytes"
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"context"
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"fmt"
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"path/filepath"
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"time"
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"lendry-erp/media/internal/application/dto"
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"lendry-erp/media/internal/infrastructure/images"
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"lendry-erp/media/internal/infrastructure/storage"
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)
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type UploadUseCase struct {
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storage storage.Storage
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processor images.Processor
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}
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func NewUploadUseCase(s storage.Storage, p images.Processor) *UploadUseCase {
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return &UploadUseCase{
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storage: s,
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processor: p,
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}
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}
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func (u *UploadUseCase) Execute(ctx context.Context, input dto.UploadMediaRequest) (*dto.UploadMediaResponse, error) {
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// 1. Сжатие и обработка изображения
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finalBytes, contentType, err := u.processor.Process(input.Data, input.Mode)
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if err != nil {
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return nil, fmt.Errorf("process image: %w", err)
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}
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// 2. Генерация уникального имени файла
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ext := filepath.Ext(input.OriginalName)
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if ext == "" {
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ext = ".jpg"
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}
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objectName := fmt.Sprintf("%d%s", time.Now().UnixNano(), ext)
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// 3. Загрузка потока байтов в MinIO
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if err := u.storage.UploadStream(ctx, objectName, bytes.NewReader(finalBytes), contentType); err != nil {
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return nil, fmt.Errorf("upload to storage: %w", err)
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}
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return &dto.UploadMediaResponse{
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FileName: objectName,
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Size: int64(len(finalBytes)),
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}, nil
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} |