cmd: Add classify flag

5 files changed, 76 insertions, 9 deletions

diff --git a/README.md b/README.md
index 582017e..2a2beba 100644
--- a/README.md
+++ b/README.md
@@ -10,17 +10,19 @@ A queue generator for [lftp](https://lftp.yar.ru).
 $ lftpq -h
 Usage of lftpq:
   -F string
-        Format to use in dry-run mode (default "lftp")
+    	Format to use in dry-run mode (default "lftp")
+  -c string
+    	Classify string and print its local dir
   -f string
-        Path to config (default "~/.lftpqrc")
-  -i    Build queues from stdin
+    	Path to config (default "~/.lftpqrc")
+  -i	Build queues from stdin
   -l string
-        Override local dir for this run
-  -n    Print queue and exit
+    	Override local dir for this run
+  -n	Print queue and exit
   -p string
-        Path to lftp program (default "lftp")
-  -q    Do not print output from lftp
-  -t    Test and print config
+    	Path to lftp program (default "lftp")
+  -q	Do not print output from lftp
+  -t	Test and print config
 ```
 
 ## Example config
diff --git a/cmd/lftpq/main.go b/cmd/lftpq/main.go
index 3183d75..65837d7 100644
--- a/cmd/lftpq/main.go
+++ b/cmd/lftpq/main.go
@@ -10,6 +10,7 @@ import (
 	"syscall"
 
 	"github.com/mpolden/lftpq/lftp"
+	"github.com/mpolden/lftpq/parser"
 	"github.com/mpolden/lftpq/queue"
 )
 
@@ -26,6 +27,7 @@ type CLI struct {
 	Import   bool
 	LocalDir string
 	LftpPath string
+	Name     string
 	consumer queue.Consumer
 	lister   lister
 	stderr   io.Writer
@@ -63,6 +65,30 @@ func (c *CLI) Run() error {
 		fmt.Fprintf(c.stdout, "%s\n", json)
 		return nil
 	}
+	if c.Name != "" {
+		name := filepath.Base(c.Name)
+		media, parserName, err := parser.Guess(name)
+		if err != nil {
+			return err
+		}
+		templateFound := false
+		for _, dir := range cfg.LocalDirs {
+			if dir.Parser != parserName {
+				continue
+			}
+			path, err := media.PathIn(dir.Template)
+			if err != nil {
+				return err
+			}
+			templateFound = true
+			fmt.Fprintln(c.stdout, path)
+			break
+		}
+		if !templateFound {
+			return fmt.Errorf("no template set for parser: %s", parserName)
+		}
+		return nil
+	}
 	var queues []queue.Queue
 	if c.Import {
 		if queues, err = queue.Read(cfg.Sites, c.stdin); err != nil {
@@ -169,6 +195,7 @@ func main() {
 	flag.BoolVar(&cli.Import, "i", false, "Build queues from stdin")
 	flag.StringVar(&cli.LocalDir, "l", "", "Override local dir for this run")
 	flag.StringVar(&cli.LftpPath, "p", "lftp", "Path to lftp program")
+	flag.StringVar(&cli.Name, "c", "", "Classify media and print its local dir")
 	flag.Parse()
 	client := lftp.Client{Path: cli.LftpPath, InheritIO: !cli.Quiet}
 	cli.lister = &client
diff --git a/cmd/lftpq/main_test.go b/cmd/lftpq/main_test.go
index f1287cd..b2de28e 100644
--- a/cmd/lftpq/main_test.go
+++ b/cmd/lftpq/main_test.go
@@ -408,3 +408,27 @@ func TestRunListError(t *testing.T) {
 		t.Errorf("want %q, got %q", want, got)
 	}
 }
+
+func TestClassify(t *testing.T) {
+	cli, buf := newTestCLI(`
+{
+  "LocalDirs": [
+    {
+      "Name": "d1",
+      "Parser": "movie",
+      "Dir": "/media/{{ .Year}}/"
+    }
+  ]
+}`)
+	defer os.Remove(cli.Config)
+
+	cli.Name = "/download/foo.2018"
+	if err := cli.Run(); err != nil {
+		t.Fatal(err)
+	}
+
+	want := "/media/2018/foo.2018\n"
+	if got := buf.String(); got != want {
+		t.Errorf("want %q, got %q", want, got)
+	}
+}
diff --git a/parser/parser.go b/parser/parser.go
index 621992d..3378154 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -60,6 +60,18 @@ func (m *Media) PathIn(dir *template.Template) (string, error) {
 	return path, nil
 }
 
+func Guess(s string) (Media, string, error) {
+	show, err := Show(s)
+	if err != nil {
+		movie, err := Movie(s)
+		if err != nil {
+			return Media{}, "", fmt.Errorf("could not guess media: %q", s)
+		}
+		return movie, "movie", err
+	}
+	return show, "show", nil
+}
+
 func Default(s string) (Media, error) {
 	return Media{Release: s}, nil
 }
diff --git a/queue/config.go b/queue/config.go
index f774438..bff5572 100644
--- a/queue/config.go
+++ b/queue/config.go
@@ -34,6 +34,7 @@ type LocalDir struct {
 	Parser       string
 	Dir          string
 	Replacements []Replacement
+	Template     *template.Template `json:"-"`
 }
 
 type Site struct {
@@ -129,7 +130,7 @@ func command(cmd string) (*exec.Cmd, error) {
 
 func (c *Config) load() error {
 	itemParsers := make(map[string]itemParser)
-	for _, d := range c.LocalDirs {
+	for i, d := range c.LocalDirs {
 		if d.Name == "" {
 			return fmt.Errorf("invalid local dir name: %q", d.Name)
 		}
@@ -164,6 +165,7 @@ func (c *Config) load() error {
 			replacements: replacements,
 			template:     tmpl,
 		}
+		c.LocalDirs[i].Template = tmpl
 	}
 	for i := range c.Sites {
 		site := &c.Sites[i]