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package input
import (
"fmt"
"io"
"log/slog"
"mime"
"os"
"slices"
"strconv"
"strings"
"syscall"
"time"
"github.com/SayaAndy/saya-today-thumbnail-generator/config"
)
var _ InputClient = (*LocalUnixInputClient)(nil)
type LocalUnixInputClient struct {
path string
maxDepth int
knownExtensions []string
}
func NewLocalUnixInputClient(cfg *config.InputConfig) (InputClient, error) {
if cfg.Storage.Type != "local-unix" {
return nil, fmt.Errorf("invalid storage type for LocalUnixInputClient")
}
localCfg := cfg.Storage.Config.(*config.InputLocalUnixConfig)
return &LocalUnixInputClient{
path: localCfg.Path,
maxDepth: localCfg.MaxDepth,
knownExtensions: cfg.KnownExtensions,
}, nil
}
func (c *LocalUnixInputClient) Scan() ([]string, error) {
return c.recursiveScan(c.path, c.maxDepth)
}
func (c *LocalUnixInputClient) recursiveScan(dir string, depth int) ([]string, error) {
filePaths := make([]string, 0)
entries, err := os.ReadDir(dir)
if err != nil {
return nil, fmt.Errorf("fail to read directory: %w", err)
}
for _, entry := range entries {
if entry.IsDir() && depth > 0 {
subFilePaths, err := c.recursiveScan(dir+entry.Name()+"/", depth-1)
if err != nil {
return nil, fmt.Errorf("fail to scan subdirectory '%s': %w", entry.Name(), err)
}
filePaths = append(filePaths, subFilePaths...)
} else if !entry.IsDir() {
nameParts := strings.Split(entry.Name(), ".")
if len(nameParts) < 2 {
continue
}
if slices.Contains(c.knownExtensions, strings.ToLower(nameParts[len(nameParts)-1])) {
filePaths = append(filePaths, strings.TrimPrefix(dir+entry.Name(), c.path))
}
fmt.Println(entry.Name())
}
}
return filePaths, nil
}
func (c *LocalUnixInputClient) ReadMetadata(path string) (*MetadataStruct, error) {
nodePathParts := strings.Split(path, "/")
nodeName := nodePathParts[len(nodePathParts)-1]
nodeNameParts := strings.Split(nodeName, ".")
nodeExt := ""
if len(nodeNameParts) >= 2 {
nodeExt = nodeNameParts[len(nodeNameParts)-1]
}
slog.Debug("got a file extension", slog.String("extension", nodeExt), slog.String("path", path), slog.String("filename", nodeName))
fileInfo, err := os.Stat(c.path + path)
if err != nil {
return nil, fmt.Errorf("fail to read file info: %w", err)
}
stat_t := fileInfo.Sys().(*syscall.Stat_t)
creationTime := time.Unix(stat_t.Ctimespec.Sec, stat_t.Ctimespec.Nsec)
return &MetadataStruct{
Name: fileInfo.Name(),
StorageType: "local-unix",
Hash: strconv.FormatInt(fileInfo.ModTime().Unix(), 16),
ContentType: mime.TypeByExtension("." + nodeExt),
FirstCreated: creationTime,
LastModified: fileInfo.ModTime(),
Size: fileInfo.Size(),
Misc: map[string]string{},
}, nil
}
func (c *LocalUnixInputClient) ID(path string) string {
return fmt.Sprintf("local-unix://%s%s", c.path, path)
}
func (c *LocalUnixInputClient) GetReader(path string) (io.ReadCloser, error) {
return os.Open(c.path + path)
}
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