Replaces cheatbase.sqlite with trimmed cheatbase.zip

CheatBase now only contains two tables, CHEATS and CHEAT_CATEGORIES.

Delta unzips SQLite database from cheatbase.zip on launch whenever CheatBase.cheatsVersion changes.

Delta.xcodeproj/project.pbxproj

@@ -165,7 +165,6 @@
 		BFFDF03723E3BB2600931B96 /* libSnes9x.a in Frameworks */ = {isa = PBXBuildFile; fileRef = BFFDF03623E3BB2600931B96 /* libSnes9x.a */; };
 		BFFDF03F23E3C28A00931B96 /* libGambatte.a in Frameworks */ = {isa = PBXBuildFile; fileRef = BFFDF03D23E3C0F000931B96 /* libGambatte.a */; };
 		BFFDF04623E3D3A600931B96 /* libMupen64Plus.a in Frameworks */ = {isa = PBXBuildFile; fileRef = BFFDF04523E3D3A600931B96 /* libMupen64Plus.a */; };
-		D5050A1C2989A84200ABE08D /* cheatbase.sqlite in Resources */ = {isa = PBXBuildFile; fileRef = D5050A1B2989A84200ABE08D /* cheatbase.sqlite */; };
 		D524F4A1273DE9A100D500B2 /* AltKit in Frameworks */ = {isa = PBXBuildFile; productRef = D524F4A0273DE9A100D500B2 /* AltKit */; };
 		D524F4A3273DE9C000D500B2 /* ProcessInfo+JIT.swift in Sources */ = {isa = PBXBuildFile; fileRef = D524F4A2273DE9C000D500B2 /* ProcessInfo+JIT.swift */; };
 		D524F4A5273DEBB400D500B2 /* ServerManager+Delta.swift in Sources */ = {isa = PBXBuildFile; fileRef = D524F4A4273DEBB400D500B2 /* ServerManager+Delta.swift */; };
@@ -178,6 +177,7 @@
 		D5A98CE2284EF14B00E023E5 /* SceneDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5A98CE1284EF14B00E023E5 /* SceneDelegate.swift */; };
 		D5AAF27729884F8600F21ACF /* CheatDevice.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5AAF27629884F8600F21ACF /* CheatDevice.swift */; };
 		D5D797E6298D946200738869 /* Contributor.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5D797E5298D946200738869 /* Contributor.swift */; };
+		D5D797E9298DCC7300738869 /* cheatbase.zip in Resources */ = {isa = PBXBuildFile; fileRef = D5D797E7298DC9E200738869 /* cheatbase.zip */; };
 		D5F82FB82981D3AC00B229AF /* LegacySearchBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = D5F82FB72981D3AC00B229AF /* LegacySearchBar.swift */; };
 /* End PBXBuildFile section */
 
@@ -372,7 +372,6 @@
 		BFFDF03D23E3C0F000931B96 /* libGambatte.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = libGambatte.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		BFFDF04523E3D3A600931B96 /* libMupen64Plus.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = libMupen64Plus.a; sourceTree = BUILT_PRODUCTS_DIR; };
 		C786AF1D2DDB6223BE2063CC /* Pods-Delta.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Delta.debug.xcconfig"; path = "Pods/Target Support Files/Pods-Delta/Pods-Delta.debug.xcconfig"; sourceTree = "<group>"; };
-		D5050A1B2989A84200ABE08D /* cheatbase.sqlite */ = {isa = PBXFileReference; lastKnownFileType = file; path = cheatbase.sqlite; sourceTree = "<group>"; };
 		D524F4A2273DE9C000D500B2 /* ProcessInfo+JIT.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ProcessInfo+JIT.swift"; sourceTree = "<group>"; };
 		D524F4A4273DEBB400D500B2 /* ServerManager+Delta.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ServerManager+Delta.swift"; sourceTree = "<group>"; };
 		D5011C47281B6E8B00A0760B /* CharacterSet+Filename.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "CharacterSet+Filename.swift"; sourceTree = "<group>"; };
@@ -384,6 +383,7 @@
 		D5A98CE1284EF14B00E023E5 /* SceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SceneDelegate.swift; sourceTree = "<group>"; };
 		D5AAF27629884F8600F21ACF /* CheatDevice.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CheatDevice.swift; sourceTree = "<group>"; };
 		D5D797E5298D946200738869 /* Contributor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Contributor.swift; sourceTree = "<group>"; };
+		D5D797E7298DC9E200738869 /* cheatbase.zip */ = {isa = PBXFileReference; lastKnownFileType = archive.zip; path = cheatbase.zip; sourceTree = "<group>"; };
 		D5F82FB72981D3AC00B229AF /* LegacySearchBar.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LegacySearchBar.swift; sourceTree = "<group>"; };
 		DC866E433B3BA9AE18ABA1EC /* libPods-Delta.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Delta.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
@@ -801,7 +801,7 @@
 			children = (
 				BF6BB2451BB73FE800CCF94A /* Assets.xcassets */,
 				BF02D5D91DDEBB3000A5E131 /* openvgdb.sqlite */,
-				D5050A1B2989A84200ABE08D /* cheatbase.sqlite */,
+				D5D797E7298DC9E200738869 /* cheatbase.zip */,
 				D53415A6298C78BC00FD67B1 /* Contributors.plist */,
 			);
 			path = Resources;
@@ -1034,6 +1034,7 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				D5D797E9298DCC7300738869 /* cheatbase.zip in Resources */,
 				BFFA71E21AAC406100EE9DD1 /* Main.storyboard in Resources */,
 				BF6BF3211EB82362008E83CD /* GamesDatabase.storyboard in Resources */,
 				BFAB9F88219A4B670080EC7D /* GoogleService-Info.plist in Resources */,
@@ -1043,7 +1044,6 @@
 				D53415A7298C78BC00FD67B1 /* Contributors.plist in Resources */,
 				BF71CF8A1FE904B1001F1613 /* GameTableViewCell.xib in Resources */,
 				BFFC46461D59861000AF2CC6 /* LaunchScreen.storyboard in Resources */,
-				D5050A1C2989A84200ABE08D /* cheatbase.sqlite in Resources */,
 				BF1F45AB21AF4B5800EF9895 /* SyncResultsViewController.storyboard in Resources */,
 				BF353FF61C5D837600C1184C /* PauseMenu.storyboard in Resources */,
 				BF27CC8E1BC9FEA200A20D89 /* Assets.xcassets in Resources */,

Delta/Database/DatabaseManager.swift

@@ -263,8 +263,19 @@ private extension DatabaseManager
 
                 if #available(iOS 14, *), !FileManager.default.fileExists(atPath: DatabaseManager.cheatBaseURL.path) || CheatBase.cheatsVersion != CheatBase.previousCheatsVersion
                 {
-                    guard let bundleURL = Bundle.main.url(forResource: "cheatbase", withExtension: "sqlite") else { throw GamesDatabase.Error.doesNotExist }
-                    try FileManager.default.copyItem(at: bundleURL, to: DatabaseManager.cheatBaseURL, shouldReplace: true)
+                    guard let archiveURL = Bundle.main.url(forResource: "cheatbase", withExtension: "zip") else { throw GamesDatabase.Error.doesNotExist }
+
+                    let temporaryDirectoryURL = FileManager.default.uniqueTemporaryURL()
+                    try FileManager.default.createDirectory(at: temporaryDirectoryURL, withIntermediateDirectories: true)
+                    defer {
+                        try? FileManager.default.removeItem(at: temporaryDirectoryURL)
+                    }
+
+                    // Unzip to temporaryDirectoryURL first to ensure we don't accidentally unzip other items into DatabaseManager.cheatBaseURL directory (e.g. __MACOSX directory).
+                    try FileManager.default.unzipItem(at: archiveURL, to: temporaryDirectoryURL, skipCRC32: true) // skipCRC32 to avoid ~10 second extraction.
+
+                    let extractedDatabaseURL = temporaryDirectoryURL.appendingPathComponent("cheatbase.sqlite")
+                    try FileManager.default.copyItem(at: extractedDatabaseURL, to: DatabaseManager.cheatBaseURL, shouldReplace: true)
                 }
 
                 self.gamesDatabase = try GamesDatabase()