Multi-File Storage.

Thanks to mfilser !

Related https://github.com/wekan/wekan/pull/4484

Merge branch 'master' into upgrade-meteor

server/migrations.js

@@ -1216,7 +1216,7 @@ Migrations.add('migrate-attachments-collectionFS-to-ostrioFiles', () => {
             cardId: fileObj.cardId,
             listId: fileObj.listId,
             swimlaneId: fileObj.swimlaneId,
-            source: 'import,'
+            source: 'import'
           },
           userId,
           size: fileSize,
@@ -1328,3 +1328,12 @@ Migrations.add('migrate-attachment-drop-index-cardId', () => {
   } catch (error) {
   }
 });
+
+Migrations.add('migrate-attachment-migration-fix-source-import', () => {
+  // there was an error at first versions, so source was import, instead of import
+  Attachments.update(
+    {"meta.source":"import,"},
+    {$set:{"meta.source":"import"}},
+    noValidateMulti
+  );
+});

server/publications/attachments.js

@@ -1,65 +1,24 @@
-import Attachments, { AttachmentStorage } from '/models/attachments';
+import Attachments from '/models/attachments';
 import { ObjectID } from 'bson';
 
-Meteor.publish('attachmentsList', function() {
-  // eslint-disable-next-line no-console
-  // console.log('attachments:', AttachmentStorage.find());
-  const files = AttachmentStorage.find(
+Meteor.publish('attachmentsList', function(limit) {
+  const ret = Attachments.find(
     {},
     {
       fields: {
         _id: 1,
-        filename: 1,
-        md5: 1,
-        length: 1,
-        contentType: 1,
-        metadata: 1,
+        name: 1,
+        size: 1,
+        type: 1,
+        meta: 1,
+        path: 1,
+        versions: 1,
       },
       sort: {
-        filename: 1,
+        name: 1,
       },
-      limit: 250,
+      limit: limit,
     },
-  );
-  const attIds = [];
-  files.forEach(file => {
-    attIds.push(file._id._str);
-  });
-
-  return [
-    files,
-    Attachments.find({ 'copies.attachments.key': { $in: attIds } }),
-  ];
-});
-
-Meteor.publish('orphanedAttachments', function() {
-  let keys = [];
-
-  if (Attachments.find({}, { fields: { copies: 1 } }) !== undefined) {
-    Attachments.find({}, { fields: { copies: 1 } }).forEach(att => {
-      keys.push(new ObjectID(att.copies.attachments.key));
-    });
-    keys.sort();
-    keys = _.uniq(keys, true);
-
-    return AttachmentStorage.find(
-      { _id: { $nin: keys } },
-      {
-        fields: {
-          _id: 1,
-          filename: 1,
-          md5: 1,
-          length: 1,
-          contentType: 1,
-          metadata: 1,
-        },
-        sort: {
-          filename: 1,
-        },
-        limit: 250,
-      },
-    );
-  } else {
-    return [];
-  }
+  ).cursor;
+  return ret;
 });