Diffstat (limited to 'internal/storage/b2.go')
| -rw-r--r-- | internal/storage/b2.go | 121 |
1 files changed, 44 insertions, 77 deletions
diff --git a/internal/storage/b2.go b/internal/storage/b2.go index 260a015..6697023 100644 --- a/internal/storage/b2.go +++ b/internal/storage/b2.go @@ -3,7 +3,7 @@ package storage import ( "context" "fmt" - "io" + "strconv" "strings" "time" @@ -39,82 +39,64 @@ func NewB2StorageClient(cfg *config.StorageConfig) (StorageClient, error) { return &B2StorageClient{b2cl: b2cl, bucket: bucket, prefix: b2cfg.Prefix}, nil } -func (sc *B2StorageClient) Scan() ([]string, error) { - filePaths := []string{} - - iter := sc.bucket.List(context.Background(), b2.ListPrefix(sc.prefix)) - - for iter.Next() { - obj := iter.Object() - if obj == nil { - return nil, fmt.Errorf("failed to reference object in B2 bucket") - } - - attrs, err := obj.Attrs(context.Background()) - if err != nil { - return nil, fmt.Errorf("get attributes for object: %w", err) - } - - if attrs.Status != b2.Uploaded { - continue - } - - //if !strings.Contains(attrs.ContentType, "text/metadata") { - // continue - //} - - filePaths = append(filePaths, strings.TrimPrefix(obj.Name(), sc.prefix)) - } - - if err := iter.Err(); err != nil { - return nil, fmt.Errorf("iterate over B2 objects: %w", err) - } - - return filePaths, nil -} - -func (sc *B2StorageClient) GetReader(path string) (io.ReadCloser, int64, error) { - obj := sc.bucket.Object(sc.prefix + path) +func (sc *B2StorageClient) GetMetadata(key string) (map[string]string, error) { + obj := sc.bucket.Object(sc.prefix + key) if obj == nil { - return nil, 0, fmt.Errorf("failed to reference object in B2 bucket") + return nil, fmt.Errorf("failed to reference object in B2 bucket") } attrs, err := obj.Attrs(context.Background()) if err != nil { - return nil, 0, fmt.Errorf("error getting attributes of an object: %w", err) + if b2.IsNotExist(err) { + return map[string]string{}, nil + } + return nil, fmt.Errorf("get attributes of B2 object %q: %w", sc.prefix+key, err) } - - return obj.NewReader(context.Background()), attrs.Size, nil + return attrs.Info, nil } -func (sc *B2StorageClient) WriteMetadata(path string, metadata *frontmatter.Metadata) error { - obj := sc.bucket.Object(sc.prefix + path) - if obj == nil { - return fmt.Errorf("failed to reference object in B2 bucket") +func (sc *B2StorageClient) Put(key string, content []byte, metadata *frontmatter.Metadata) error { + geolocationParts := strings.Split(metadata.Geolocation, " ") + if (len(geolocationParts) == 1 && geolocationParts[0] != "") || len(geolocationParts) >= 4 { + return fmt.Errorf("invalid geolocation format, expecting '{x} {y} [areaError]' or an empty string") } - oldAttrs, err := obj.Attrs(context.Background()) - if err != nil { - return fmt.Errorf("error getting attributes of an object: %w", err) + if len(geolocationParts) >= 2 { + if _, err := strconv.ParseFloat(geolocationParts[0], 64); err != nil { + return fmt.Errorf("invalid geolocation parameter, expected float for X: %w", err) + } + if _, err := strconv.ParseFloat(geolocationParts[1], 64); err != nil { + return fmt.Errorf("invalid geolocation parameter, expected float for Y: %w", err) + } + } + if len(geolocationParts) == 3 { + if _, err := strconv.ParseFloat(geolocationParts[2], 64); err != nil { + return fmt.Errorf("invalid geolocation parameter, expected float for area error: %w", err) + } + } + + medley := "" + if metadata.Medley != "" { + medley = fmt.Sprintf("%s %d", metadata.Medley, metadata.MedleyPart) } attrs := &b2.Attrs{ ContentType: "text/markdown; charset=utf-8", Info: map[string]string{ - "title": metadata.Title, - "short-description": metadata.ShortDescription, - "action-date": metadata.ActionDate, - "published-time": metadata.PublishedTime.Format(time.RFC3339), - "thumbnail": metadata.Thumbnail, - "tags": strings.Join(metadata.Tags, ","), - "metadata-last-update-sha1": oldAttrs.SHA1, + "title": metadata.Title, + "short-description": metadata.ShortDescription, + "action-date": metadata.ActionDate, + "published-time": metadata.PublishedTime.Format(time.RFC3339), + "thumbnail": metadata.Thumbnail, + "tags": strings.Join(metadata.Tags, ","), + "geolocation": metadata.Geolocation, + "medley": medley, }} - reader := obj.NewReader(context.Background()) - content := make([]byte, oldAttrs.Size) - if _, err = reader.Read(content); err != nil { - return fmt.Errorf("failed to read an object back for writing (required for attribute setting): %w", err) + prod := sc.bucket.Object(sc.prefix + key) + if prod == nil { + return fmt.Errorf("failed to reference prod object in B2 bucket") } - writer := obj.NewWriter(context.Background(), b2.WithAttrsOption(attrs)) + writer := prod.NewWriter(context.Background(), b2.WithAttrsOption(attrs)) defer writer.Close() if _, err := writer.Write(content); err != nil { return fmt.Errorf("failed to write an object back after attribute settings: %w", err) @@ -123,21 +105,6 @@ func (sc *B2StorageClient) WriteMetadata(path string, metadata *frontmatter.Meta return nil } -func (sc *B2StorageClient) FileHasChanged(path string) bool { - obj := sc.bucket.Object(sc.prefix + path) - if obj == nil { - return true - } - - attrs, err := obj.Attrs(context.Background()) - if err != nil { - return true - } - - lastUpdateSha1, ok := attrs.Info["metadata-last-update-sha1"] - if !ok { - return true - } - - return attrs.SHA1 == lastUpdateSha1 +func (sc *B2StorageClient) BuildIndex() error { + return fmt.Errorf("BuildIndex not implemented for B2 storage") } |