[5.2] Error handling while create folder in media manager new pr

[jgerman-bot]

New language relevant PR in upstream repo: joomla/joomla-cms#39878 Here are the upstream changes:

Click to expand the diff!

diff --git a/administrator/components/com_media/resources/scripts/components/modals/create-folder-modal.vue b/administrator/components/com_media/resources/scripts/components/modals/create-folder-modal.vue
index 99269aa27d795..50e5186565ea9 100644
--- a/administrator/components/com_media/resources/scripts/components/modals/create-folder-modal.vue
+++ b/administrator/components/com_media/resources/scripts/components/modals/create-folder-modal.vue
@@ -30,8 +30,31 @@
               type="text"
               required
               autocomplete="off"
+              v-bind:class="(isValidName()!==0 && isValid())?'is-invalid':''"
+              aria-describedby="folderFeedback"
               @input="folder = $event.target.value"
             >
+            <div
+              v-if="isValidName()===1"
+              id="folderFeedback"
+              class="invalid-feedback"
+            >
+              {{ translate('COM_MEDIA_CREATE_NEW_FOLDER_RELATIVE_PATH_ERROR') }}
+            </div>
+            <div
+              v-if="isValidName()===2"
+              id="folderFeedback"
+              class="invalid-feedback"
+            >
+              {{ translate('COM_MEDIA_CREATE_NEW_FOLDER_EXISTING_FOLDER_ERROR') }}
+            </div>
+            <div
+              v-if="isValidName()===3 && isValid()"
+              id="folderFeedback"
+              class="invalid-feedback"
+            >
+              {{ translate('COM_MEDIA_CREATE_NEW_FOLDER_UNEXPECTED_CHARACTER') }}
+            </div>
           </div>
         </form>
       </div>
@@ -46,7 +69,7 @@
         </button>
         <button
           class="btn btn-success"
-          :disabled="!isValid()"
+          :disabled="!isValid() || isValidName()!==0"
           @click="save()"
         >
           {{ translate('JACTION_CREATE') }}
@@ -70,6 +93,15 @@ export default {
       folder: '',
     };
   },
+  computed: {
+    /* Get the contents of the currently selected directory */
+    items() {
+      const directories = this.$store.getters.getSelectedDirectoryDirectories;
+      const files = this.$store.getters.getSelectedDirectoryFiles;
+
+      return [...directories, ...files];
+    },
+  },
   watch: {
     '$store.state.showCreateFolderModal': function (show) {
       this.$nextTick(() => {
@@ -79,11 +111,25 @@ export default {
       });
     },
   },
+
   methods: {
     /* Check if the form is valid */
     isValid() {
       return (this.folder);
     },
+    /* Check folder name is valid or not */
+    isValidName() {
+      if (this.folder.includes('..')) {
+        return 1;
+      }
+      if ((this.items.filter((file) => file.name.toLowerCase() === (this.folder.toLowerCase())).length !== 0)) {
+        return 2;
+      }
+      if ((!/^[\p{L}\p{N}\-_. ]+$/u.test(this.folder))) {
+        return 3;
+      }
+      return 0;
+    },
     /* Close the modal instance */
     close() {
       this.reset();
diff --git a/administrator/components/com_media/tmpl/media/default_texts.php b/administrator/components/com_media/tmpl/media/default_texts.php
index f112607d93b09..575c8511b774e 100644
--- a/administrator/components/com_media/tmpl/media/default_texts.php
+++ b/administrator/components/com_media/tmpl/media/default_texts.php
@@ -28,6 +28,9 @@
     'COM_MEDIA_CREATE_NEW_FOLDER',
     'COM_MEDIA_CREATE_NEW_FOLDER_ERROR',
     'COM_MEDIA_CREATE_NEW_FOLDER_SUCCESS',
+    'COM_MEDIA_CREATE_NEW_FOLDER_EXISTING_FOLDER_ERROR',
+    'COM_MEDIA_CREATE_NEW_FOLDER_RELATIVE_PATH_ERROR',
+    'COM_MEDIA_CREATE_NEW_FOLDER_UNEXPECTED_CHARACTER',
     'COM_MEDIA_DECREASE_GRID',
     'COM_MEDIA_DELETE_ERROR',
     'COM_MEDIA_DELETE_SUCCESS',
diff --git a/administrator/language/en-GB/com_media.ini b/administrator/language/en-GB/com_media.ini
index 26ae6e64dc30a..f8e617dc457a9 100644
--- a/administrator/language/en-GB/com_media.ini
+++ b/administrator/language/en-GB/com_media.ini
@@ -25,6 +25,9 @@ COM_MEDIA_COPY_FOLDER_NOT_POSSIBLE="Copy folder is not possible"
 COM_MEDIA_CREATE_NEW_FOLDER="Create New Folder"
 COM_MEDIA_CREATE_NEW_FOLDER_ERROR="Error creating folder."
 COM_MEDIA_CREATE_NEW_FOLDER_SUCCESS="Folder created."
+COM_MEDIA_CREATE_NEW_FOLDER_EXISTING_FOLDER_ERROR="Folder or file name already exists "
+COM_MEDIA_CREATE_NEW_FOLDER_RELATIVE_PATH_ERROR="Use of relative paths not permitted"
+COM_MEDIA_CREATE_NEW_FOLDER_UNEXPECTED_CHARACTER="Only Alphanumeric ,underscore(_),hyphen(-) and  peroid(.) are allowed"
 COM_MEDIA_DECREASE_GRID="Decrease grid size"
 COM_MEDIA_DELETE_ERROR="Error deleting the item."
 COM_MEDIA_DELETE_NOT_POSSIBLE="Delete not possible!"