From 16c8bff93b23ca1bfe33cc744ca0ca1fa06ebce9 Mon Sep 17 00:00:00 2001
From: ache <ache@ache.one>
Date: Thu, 14 Feb 2019 05:04:56 +0100
Subject: Handle Move method

---
 server.go | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 51 insertions(+), 3 deletions(-)

diff --git a/server.go b/server.go
index d072342..13cc673 100644
--- a/server.go
+++ b/server.go
@@ -177,16 +177,64 @@ func handleMove( w http.ResponseWriter, r *http.Request) {
     overwrite = r.Header.Get("Overwrite")
   }
 
+  /* 5 cases
+      src doesn't exist => error
+      src is a directory, dest a file => error
+      src is a directory, dest doesn't exist => rename
+      src is a file, dest doesn't exist or is a file => overwrite or not
+      dest is a directory => move src to that directory
+  */
+
   if filename == "" || filename == "." {
     w.WriteHeader(http.StatusBadRequest)
     fmt.Fprintln(w, "Cannot move root directory")
     return
   }
 
-  if tmpDir, err := os.Stat( path.Dir( dest ) ) ; err == nil && tmpDir.IsDir() {
-    
+  tmpStatDest, errDest := os.Stat( dest )
+
+  // Case 1
+  if tmpStat, err := os.Stat( filename ) ; err != nil {
+    if os.IsNotExist( err ) {
+      w.WriteHeader(http.StatusBadRequest)
+      fmt.Fprintf(w, "%s doesn't exist bro\n", filename)
+    } else {
+      w.WriteHeader(http.StatusInternalServerError)
+      fmt.Fprintf(w, "¯\\_(ツ)_/¯ with [%s]\n", filename)
+    }
+    return
+  } else if tmpStat.IsDir() { // Case 2 & 3
+    if errDest != nil {
+      if !os.IsNotExist( errDest ) { // Case 3 just rename
+        w.WriteHeader(http.StatusConflict)
+        fmt.Fprintf(w, "Error %s\n", err.Error())
+        return
+      }
+    } else if tmpStatDest.Mode().IsRegular() {
+      w.WriteHeader(http.StatusConflict)
+      fmt.Fprintf(w, "Can't write a collection over a file\n")
+      return
+    }
+  }
+  if errDest == nil {
+    if tmpStatDest.IsDir() { // Case 5
+      if dest[len(dest) - 1] != '/' {
+        dest += "/"
+      }
+      dest += path.Base(filename)
+    } else if tmpStatDest.Mode().IsRegular() && overwrite == "F" {
+      os.Remove(dest)
+    }
+  }
+
+  err := os.Rename( filename, dest )
+
+  if err != nil {
+    w.WriteHeader(http.StatusConflict)
+    fmt.Fprintf(w, "Error : %s\n", err.Error())
+  } else {
+    w.WriteHeader(http.StatusCreated)
   }
-  fmt.Printf("Trying to move [%s] to [%s]\n", filename, dest)
 }
 
 func handleMethod( w http.ResponseWriter, r *http.Request) {
-- 
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