better error/warnings

src/components/settings_modal/settings_modal.js

@@ -19,6 +19,9 @@ import {
   faWindowMinimize
 } from '@fortawesome/free-regular-svg-icons'
 
+const PLEROMAFE_SETTINGS_MAJOR_VERSION = 1
+const PLEROMAFE_SETTINGS_MINOR_VERSION = 0
+
 library.add(
   faTimes,
   faWindowMinimize,
@@ -65,12 +68,52 @@ const SettingsModal = {
       this.$store.dispatch('togglePeekSettingsModal')
     },
     importValidator (data) {
-      return data._pleroma_settings_version[0] === 1
+      if (!Array.isArray(data._pleroma_settings_version)) {
+        return {
+          messageKey: 'settings.file_import_export.invalid_file'
+        }
+      }
+
+      const [major, minor] = data._pleroma_settings_version
+
+      if (major > PLEROMAFE_SETTINGS_MAJOR_VERSION) {
+        return {
+          messageKey: 'settings.file_export_import.errors.file_too_new',
+          messageArgs: {
+            fileMajor: major,
+            feMajor: PLEROMAFE_SETTINGS_MAJOR_VERSION
+          }
+        }
+      }
+
+      if (major < PLEROMAFE_SETTINGS_MAJOR_VERSION) {
+        return {
+          messageKey: 'settings.file_export_import.errors.file_too_old',
+          messageArgs: {
+            fileMajor: major,
+            feMajor: PLEROMAFE_SETTINGS_MAJOR_VERSION
+          }
+        }
+      }
+
+      if (minor > PLEROMAFE_SETTINGS_MINOR_VERSION) {
+        this.$store.dispatch('pushGlobalNotice', {
+          level: 'warning',
+          messageKey: 'settings.file_export_import.errors.file_slightly_new',
+        })
+      }
+
+      return true
     },
-    onImportFailure () {
+    onImportFailure (result) {
+      if (result.error) {
         this.$store.dispatch('pushGlobalNotice', { messageKey: 'settings.invalid_settings_imported', level: 'error' })
+      } else {
+        this.$store.dispatch('pushGlobalNotice', { ...result.validationResult, level: 'error' })
+      }
     },
     onImport (data) {
+      if (data)
       this.$store.dispatch('loadSettings', data)
     },
     restore () {
@@ -99,7 +142,10 @@ const SettingsModal = {
         )
       }
       const clone = cloneDeep(sample)
-      clone._pleroma_settings_version = [1, 0]
+      clone._pleroma_settings_version = [
+        PLEROMAFE_SETTINGS_MAJOR_VERSION,
+        PLEROMAFE_SETTINGS_MINOR_VERSION
+      ]
       return clone
     }
   },

src/components/settings_modal/settings_modal.vue

@@ -67,7 +67,7 @@
             class="btn button-default"
             :title="$t('general.close')"
             >
-            <span>{{ $t("settings.backup_restore") }}</span>
+            <span>{{ $t("settings.file_export_import.backup_restore") }}</span>
             <FAIcon
               icon="chevron-down"
             />
@@ -85,7 +85,7 @@
                 <FAIcon
                   icon="file-download"
                   fixed-width
-                /><span>{{ $t("settings.backup_settings") }}</span>
+                /><span>{{ $t("settings.file_export_import.backup_settings") }}</span>
               </button>
               <button
                 class="button-default dropdown-item dropdown-item-icon"
@@ -95,7 +95,7 @@
                 <FAIcon
                   icon="file-download"
                   fixed-width
-                /><span>{{ $t("settings.backup_settings_theme") }}</span>
+                /><span>{{ $t("settings.file_export_import.backup_settings_theme") }}</span>
               </button>
               <button
                 class="button-default dropdown-item dropdown-item-icon"
@@ -105,7 +105,7 @@
                 <FAIcon
                   icon="file-upload"
                   fixed-width
-                /><span>{{ $t("settings.restore_settings") }}</span>
+                /><span>{{ $t("settings.file_export_import.restore_settings") }}</span>
               </button>
             </div>
           </div>

src/i18n/en.json

@@ -357,7 +357,6 @@
     "interface": "Interface",
     "interfaceLanguage": "Interface language",
     "invalid_theme_imported": "The selected file is not a supported Pleroma theme. No changes to your theme were made.",
-    "invalid_settings_imported": "The selected file is not a supported Pleroma settings backup. No changes were made.",
     "limited_availability": "Unavailable in your browser",
     "links": "Links",
     "lock_account_description": "Restrict your account to approved followers only",
@@ -365,10 +364,18 @@
     "loop_video_silent_only": "Loop only videos without sound (i.e. Mastodon's \"gifs\")",
     "mutes_tab": "Mutes",
     "play_videos_in_modal": "Play videos in a popup frame",
+    "file_export_import": {
       "backup_restore": "Settings backup",
       "backup_settings": "Backup settings to file",
       "backup_settings_theme": "Backup settings and theme to file",
       "restore_settings": "Restore settings from file",
+      "errors": {
+        "invalid_file": "The selected file is not a supported Pleroma settings backup. No changes were made.",
+        "file_too_new": "Incompatile major version: {fileMajor}, this PleromaFE (settings ver {feMajor}) is too old to handle it",
+        "file_too_old": "Incompatile major version: {fileMajor}, file version is too old and not supported (min. set. ver. {feMajor})",
+        "file_slightly_new": "File minor version is different, some settings might not load"
+      }
+    },
     "profile_fields": {
       "label": "Profile metadata",
       "add_field": "Add Field",