Load oldest version patch if it can't be found

Author: timothyschoen

Source/PluginProcessor.cpp

@@ -1339,6 +1339,8 @@ String PluginProcessor::findLostPatch(String const& patchPath) const
     }
 
     SmallArray<std::pair<File, var>> libraryMetaFiles;
+    SmallArray<std::pair<String, File>> candidates;
+    
     for(auto dir : OSUtils::iterateDirectory(patchesDir, false, false))
     {
         auto meta = dir.getChildFile("meta.json");
@@ -1354,19 +1356,40 @@ String PluginProcessor::findLostPatch(String const& patchPath) const
     for(auto [dir, meta] : libraryMetaFiles)
     {
         if(meta["Title"].toString().toLowerCase().replace(" ", "-") == hashedDirName)
-            return dir.getChildFile(meta["Patch"].toString()).getFullPathName();
+            candidates.add({meta["Version"].toString(), dir.getChildFile(meta["Patch"].toString())});
 
         if(meta["Title"].toString() == dirName)
-            return dir.getChildFile(meta["Patch"].toString()).getFullPathName();
+            candidates.add({meta["Version"].toString(), dir.getChildFile(meta["Patch"].toString())});
     }
 
     // Last resort, find a patch with a matching name
     for(auto [dir, meta] : libraryMetaFiles)
     {
         if(meta["Patch"].toString() == patchName)
-            return dir.getChildFile(meta["Patch"].toString()).getFullPathName();
+            candidates.add({meta["Version"].toString(), dir.getChildFile(meta["Patch"].toString()).getFullPathName()});
+    }
+    
+    if(candidates.size()) {
+        candidates.sort([](std::pair<String, File> const& versionA, std::pair<String, File> const& versionB) -> bool {
+            auto versionTokensA = StringArray::fromTokens(versionA.first, ".", "");
+            auto versionTokensB = StringArray::fromTokens(versionB.first, ".", "");
+            
+            for(int i = 0; i < std::max(versionTokensA.size(), versionTokensB.size()); i++)
+            {
+                int v1 = i < versionTokensA.size() && versionTokensA[i].containsOnly("0123456789") ? versionTokensA[i].getIntValue() : 0;
+                int v2 = i < versionTokensB.size() && versionTokensB[i].containsOnly("0123456789") ? versionTokensB[i].getIntValue() : 0;
+                
+                if(v1 != v2)
+                    return v1 < v2;
+            }
+            
+            return false;
+        });
+        
+        return candidates[0].second.getFullPathName();
     }
 
+    
     return patchPath.replace("${PATCHES_DIR}", patchesDir.getFullPathName());
 }