Crash the app if we try to load a file version that is newer than we …

…understand
vincode-io · Oct 27, 2021 · 1aa8e5a · 1aa8e5a
1 parent 1f54495
commit 1aa8e5a
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/Templeton/Sources/Templeton/RowsFile.swift b/Templeton/Sources/Templeton/RowsFile.swift
@@ -32,7 +32,8 @@ struct OutlineRows: Codable {
 
 		let allRows: [Row]
 
-		if fileVersion == 1 {
+		switch fileVersion {
+		case 1:
 			if let rowOrder = try? container.decode([EntityID].self, forKey: .rowOrder) {
 				self.rowOrder = rowOrder.map { $0.rowUUID}
 			} else {
@@ -43,7 +44,7 @@ struct OutlineRows: Codable {
 			} else {
 				allRows = [Row]()
 			}
-		} else {
+		case 2:
 			if let rowOrder = try? container.decode([String].self, forKey: .rowOrder) {
 				self.rowOrder = rowOrder
 			} else {
@@ -54,8 +55,10 @@ struct OutlineRows: Codable {
 			} else {
 				allRows = [Row]()
 			}
+		default:
+			fatalError("Unrecognized Row File Version")
 		}
-
+		
 		self.keyedRows = allRows.reduce([String: Row]()) { result, row in
 			var mutableResult = result
 			mutableResult[row.id] = row