From 104ee66f5930f4a37ac84538c29a291bf1d08f4f Mon Sep 17 00:00:00 2001
From: Guangxiong Lin <hi@gxlin.org>
Date: Tue, 24 Jan 2023 20:27:22 +0800
Subject: Use cobra as command selector

---
 cmd/mv.go | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 cmd/mv.go

(limited to 'cmd/mv.go')

diff --git a/cmd/mv.go b/cmd/mv.go
new file mode 100644
index 0000000..c3f4b5b
--- /dev/null
+++ b/cmd/mv.go
@@ -0,0 +1,59 @@
+package cmd
+
+import (
+	"errors"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+
+	"gxlin.org/zk/pkg"
+)
+
+func init() {
+	rootCmd.AddCommand(mvCmd)
+}
+
+var mvCmd = &cobra.Command{
+	Use:  "mv [source] [target]",
+	Args: mvCmdArgs,
+	Run:  mvCmdRun,
+}
+
+func mvCmdArgs(cmd *cobra.Command, args []string) error {
+	if len(args) != 2 {
+		return errors.New("requires 2 args")
+	}
+
+	return nil
+}
+
+func mvCmdRun(cmd *cobra.Command, args []string) {
+	rename(args[0], args[1])
+}
+
+func rename(source, target string) {
+	source, err := filepath.Abs(source)
+	if err != nil {
+		panic("Unable to get abspath of " + source)
+	}
+
+	target, err = filepath.Abs(target)
+	if err != nil {
+		panic("Unable to get abspath of " + target)
+	}
+
+	if !pkg.DocCollection.Contain(source) {
+		panic("Database doesn't contain " + source)
+	}
+
+	if err := os.Rename(source, target); err != nil {
+		panic(err)
+	}
+
+	doc := pkg.DocCollection[source]
+	for backlink := range doc.Backlinks {
+		pkg.DocCollection[backlink].UpdateLinks(source, target)
+	}
+
+}
-- 
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