From 1daadfc4eca47b663a3e556b3a42bf7e5ab38ce7 Mon Sep 17 00:00:00 2001
From: Goshik <goshik92@gmail.com>
Date: Fri, 8 Jun 2018 09:37:34 +0300
Subject: [PATCH] Create non-existing path in setLocationAction()

When using qbittorrent-nox it is not always possible to manually create
the target path for torrent moving. This commit allows automatic path
creation. It also allows to display error messages in the
'Set location' window.
---
 src/webui/api/torrentscontroller.cpp        | 13 ++++++++++---
 src/webui/www/private/scripts/mocha-init.js |  2 +-
 src/webui/www/private/setlocation.html      | 10 ++++++++--
 3 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/webui/api/torrentscontroller.cpp b/src/webui/api/torrentscontroller.cpp
index 26dd06829..12ddcddfb 100644
--- a/src/webui/api/torrentscontroller.cpp
+++ b/src/webui/api/torrentscontroller.cpp
@@ -737,9 +737,16 @@ void TorrentsController::setLocationAction()
     const QStringList hashes {params()["hashes"].split("|")};
     const QString newLocation {params()["location"].trimmed()};
 
-    // check if the location exists
-    if (newLocation.isEmpty() || !QDir(newLocation).exists())
-        return;
+    if (newLocation.isEmpty())
+        throw APIError(APIErrorType::BadParams, tr("Save path is empty"));
+        
+    // try to create the location if it does not exist
+    if (!QDir(newLocation).mkpath("."))
+        throw APIError(APIErrorType::Conflict, tr("Cannot make save path"));
+    
+    // check permissions
+    if (!QFileInfo(newLocation).isWritable())
+        throw APIError(APIErrorType::AccessDenied, tr("Cannot write to directory"));
 
     applyToTorrents(hashes, [newLocation](BitTorrent::TorrentHandle *torrent)
     {
diff --git a/src/webui/www/private/scripts/mocha-init.js b/src/webui/www/private/scripts/mocha-init.js
index 0d464d67c..76cd50f6f 100644
--- a/src/webui/www/private/scripts/mocha-init.js
+++ b/src/webui/www/private/scripts/mocha-init.js
@@ -417,7 +417,7 @@ initializeWindows = function() {
                 paddingVertical: 0,
                 paddingHorizontal: 0,
                 width: 400,
-                height: 100
+                height: 130
             });
         }
     };
diff --git a/src/webui/www/private/setlocation.html b/src/webui/www/private/setlocation.html
index ab1a72bac..a933407f1 100644
--- a/src/webui/www/private/setlocation.html
+++ b/src/webui/www/private/setlocation.html
@@ -31,8 +31,10 @@
                 new Event(e).stop();
                 // check field
                 var location = $('setLocation').value.trim();
-                if (location === null || location === "")
+                if (location === null || location === "") {
+                    $('error_div').set('text', 'QBT_TR(Save path is empty)QBT_TR[CONTEXT=TorrentsController]');
                     return false;
+                }
 
                 var hashesList = new URI().getData('hashes');
                 new Request({
@@ -42,8 +44,11 @@
                         hashes: hashesList,
                         location: location
                     },
-                    onComplete: function() {
+                    onSuccess: function() {
                         window.parent.closeWindows();
+                    },
+                    onFailure: function(xhr) {
+                        $('error_div').set('text', xhr.response);
                     }
                 }).send();
             });
@@ -55,6 +60,7 @@
     <div style="padding: 10px 10px 0px 10px;">
         <p style="font-weight: bold;">QBT_TR(Location)QBT_TR[CONTEXT=TransferListWidget]:</p>
         <input type="text" id="setLocation" value="" maxlength="100" style="width: 370px;" />
+        <div style="float: none; width: 370px;" id="error_div">&nbsp;</div>
         <div style="text-align: center; padding-top: 10px;">
             <input type="button" value="QBT_TR(Save)QBT_TR[CONTEXT=HttpServer]" id="setLocationButton" />
         </div>