From 0260824c2f13cf8307a5edab282483ccf02ff6f0 Mon Sep 17 00:00:00 2001
From: Stefan Zermatten <stefanzermatten@gmail.com>
Date: Mon, 11 Feb 2019 10:09:18 +0200
Subject: [PATCH] Made gave backup and restore the ability to change ids for
 all docs

---
 app/lib/functions/backupRestoreCharacter.js | 47 ++++++++++++++++++---
 1 file changed, 41 insertions(+), 6 deletions(-)

diff --git a/app/lib/functions/backupRestoreCharacter.js b/app/lib/functions/backupRestoreCharacter.js
index ba95f4af..d08ef919 100644
--- a/app/lib/functions/backupRestoreCharacter.js
+++ b/app/lib/functions/backupRestoreCharacter.js
@@ -3,6 +3,7 @@ let characterCollections = [
   Attacks,
   Buffs,
   Classes,
+  Conditions,
   CustomBuffs,
   Effects,
   Experiences,
@@ -10,21 +11,55 @@ let characterCollections = [
   Notes,
   Proficiencies,
   SpellLists,
+  Spells,
+  TemporaryHitPoints,
   Items,
   Containers,
 ];
 
-function backupCharacter(charId){
+function dumpCharacter(charId){
   let characterDump = {};
-  characterDump.characters = [Characters.findOne(charId)];
-  characterCollections.map(
-    c => characterDump[c._name] = c.find({charId}).fetch()
-  );
+  characterDump.character = Characters.findOne(charId);
+  characterCollections.forEach(c =>  {
+    characterDump.collections[c._name] = c.find({charId}).fetch();
+  });
   return characterDump;
 };
 
+function giveCharacterDumpNewIds(characterDump){
+  // Give the character a new Id
+  const newCharId = Random.id();
+  characterDump.character._id = newCharId;
+
+  // Give all documents a new Id, and store the mapping from old to new
+  let idMap = {}; // {oldId: newId}
+  for (let colName in characterDump.collections){
+    for (let doc of characterDump.collections[colName]){
+      let oldId = doc._id;
+      let newId = Random.id();
+      doc._id = newId;
+      idMap[oldId] = newId;
+    }
+  }
+
+  // Replace all references to old Ids with new ones
+  for (let colName in characterDump.collections){
+    for (let doc of characterDump.collections[colName]){
+      // Replace the character Id with the new one
+      doc.charId = newCharId;
+      // Replace the parent reference id with a new id
+      if (doc.parent && doc.parent.id){
+        let newParentId = idMap[doc.parent.id];
+        if(!newParentId) throw `Can't find the mapping for id ${doc.parent.id}`;
+        doc.parent.id = newParentId;
+      }
+    }
+  }
+}
+
 function restoreCharacter(characterDump){
-  for (collectionName in characterDump){
+  Characters.insert(characterDump.character);
+  for (collectionName in characterDump.collections){
     let collection = Meteor.Collection.get(collectionName);
     for (doc in characterDump[collectionName]){
       collection.insert(doc);