1 files changed, 52 insertions, 82 deletions

diff --git a/internal/storage/b2.go b/internal/storage/b2.go
index 168690a..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"
 
@@ -39,102 +39,72 @@ 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
-		}
-
-		name := obj.Name()
-
-		nameParts := strings.Split(name, ".")
-		if len(nameParts) < 2 {
-			continue
-		}
-
-		ext := strings.ToLower(nameParts[len(nameParts)-1])
-		if ext != "md" {
-			continue
-		}
-
-		filePaths = append(filePaths, strings.TrimPrefix(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)
+		}
 	}
 
-	attrs := &b2.Attrs{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,
-	}}
-
-	writer := obj.NewWriter(context.Background(), b2.WithAttrsOption(attrs))
-	writer.Close()
+	medley := ""
+	if metadata.Medley != "" {
+		medley = fmt.Sprintf("%s %d", metadata.Medley, metadata.MedleyPart)
+	}
 
-	return nil
-}
+	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, ","),
+			"geolocation":       metadata.Geolocation,
+			"medley":            medley,
+		}}
 
-func (sc *B2StorageClient) FileHasChanged(path string) bool {
-	obj := sc.bucket.Object(sc.prefix + path)
-	if obj == nil {
-		return true
+	prod := sc.bucket.Object(sc.prefix + key)
+	if prod == nil {
+		return fmt.Errorf("failed to reference prod object in B2 bucket")
 	}
 
-	attrs, err := obj.Attrs(context.Background())
-	if err != nil {
-		return true
+	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)
 	}
 
-	lastUpdateSha1, ok := attrs.Info["metadata-last-update-sha1"]
-	if !ok {
-		return true
-	}
+	return nil
+}
 
-	return attrs.SHA1 == lastUpdateSha1
+func (sc *B2StorageClient) BuildIndex() error {
+	return fmt.Errorf("BuildIndex not implemented for B2 storage")
 }