feat: add skip attachment files option for import

Allows importing only database records without restoring attachment
files. Useful when migrating data between instances.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

files/client/custom/modules/data-migration/res/templates/admin/data-migration.tpl

@@ -150,6 +150,14 @@
                                 <span class="text-muted"> — {{translate 'skipDuplicatesHint' category='messages' scope='DataMigration'}}</span>
                             </label>
                         </div>
+
+                        <div class="checkbox">
+                            <label>
+                                <input type="checkbox" name="importNoFiles">
+                                {{translate 'Skip attachment files' scope='DataMigration'}}
+                                <span class="text-muted"> — {{translate 'importNoFilesHint' category='messages' scope='DataMigration'}}</span>
+                            </label>
+                        </div>
                     </div>
 
                     <div class="btn-group">

files/client/custom/modules/data-migration/src/views/admin/data-migration.js

@@ -301,6 +301,7 @@ define('modules/data-migration/views/admin/data-migration', ['view'], function (
 
             const preserveIds = this.$el.find('input[name="preserveIds"]').is(':checked');
             const skipDuplicates = this.$el.find('input[name="skipDuplicates"]').is(':checked');
+            const noFiles = this.$el.find('input[name="importNoFiles"]').is(':checked');
 
             const confirmMsg = dryRun
                 ? this.translate('dryRunConfirmation', 'messages', 'DataMigration')
@@ -315,6 +316,7 @@ define('modules/data-migration/views/admin/data-migration', ['view'], function (
                 Espo.Ajax.postRequest('DataMigration/action/import', {
                     backupName: this.selectedBackup,
                     preserveIds: preserveIds,
+                    noFiles: noFiles,
                     skipDuplicates: skipDuplicates,
                     dryRun: dryRun,
                 }, {timeout: 600000})

files/custom/Espo/Modules/DataMigration/Api/Import.php

@@ -46,6 +46,7 @@ class Import implements Action
         $preserveIds = $body->preserveIds ?? true;
         $skipDuplicates = $body->skipDuplicates ?? true;
         $dryRun = $body->dryRun ?? false;
+        $noFiles = $body->noFiles ?? false;
 
         $io = new BufferedIO();
 
@@ -54,6 +55,7 @@ class Import implements Action
             'preserveIds' => $preserveIds,
             'skipDuplicates' => $skipDuplicates,
             'dryRun' => $dryRun,
+            'noFiles' => $noFiles,
             'verbose' => true,
         ], $io);
 

files/custom/Espo/Modules/DataMigration/Resources/i18n/en_US/DataMigration.json

@@ -42,6 +42,7 @@
         "deleteBackupConfirmation": "Are you sure you want to delete this backup? This action cannot be undone.",
         "noFilesHint": "faster export, without attachment files",
         "preserveIdsHint": "keep original record IDs (recommended for same-instance restore)",
+        "importNoFilesHint": "import only database records, skip attachment files",
         "skipDuplicatesHint": "skip records that already exist in the database"
     }
 }

files/custom/Espo/Modules/DataMigration/Resources/i18n/fa_IR/DataMigration.json

@@ -42,6 +42,7 @@
         "deleteBackupConfirmation": "האם אתה בטוח שברצונך למחוק גיבוי זה? לא ניתן לבטל פעולה זו.",
         "noFilesHint": "ייצוא מהיר יותר, ללא קבצים מצורפים",
         "preserveIdsHint": "שמור מזהי רשומות מקוריים (מומלץ לשחזור באותה מערכת)",
+        "importNoFilesHint": "ייבוא רשומות בלבד, ללא קבצים מצורפים",
         "skipDuplicatesHint": "דלג על רשומות שכבר קיימות במסד הנתונים"
     }
 }

files/custom/Espo/Modules/DataMigration/Services/ImportService.php

@@ -62,6 +62,7 @@ class ImportService
         $preserveIds = $options['preserveIds'] ?? true;
         $skipDuplicates = $options['skipDuplicates'] ?? false;
         $dryRun = $options['dryRun'] ?? false;
+        $noFiles = $options['noFiles'] ?? false;
         $verbose = $options['verbose'] ?? false;
 
         $dataDir = rtrim($inputDir, '/') . '/data';
@@ -138,7 +139,10 @@ class ImportService
         }
 
         // Restore attachment files
-        if (is_dir($filesDir)) {
+        if ($noFiles) {
+            $io->writeLine('');
+            $io->writeLine('Attachment files: SKIPPED (--no-files)');
+        } else if (is_dir($filesDir)) {
             $io->writeLine('');
             $io->writeLine('Restoring attachment files...');