feat(storage): clear default/current installation's persistent cache

Author: zapcannon87

AVOS/AVOS.xcodeproj/project.pbxproj

@@ -326,6 +326,7 @@
 		D3A3FA39269ECD40002531C7 /* LCFriendship.h in Headers */ = {isa = PBXBuildFile; fileRef = D3A3FA37269ECD40002531C7 /* LCFriendship.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		D3A3FA3A269ECD40002531C7 /* LCFriendship.m in Sources */ = {isa = PBXBuildFile; fileRef = D3A3FA38269ECD40002531C7 /* LCFriendship.m */; };
 		D3AD74AB24BC216200D1BBEE /* LCUserTestCase.swift in Sources */ = {isa = PBXBuildFile; fileRef = D3AD74AA24BC216200D1BBEE /* LCUserTestCase.swift */; };
+		D3D41AA9282D226800F6E5CD /* LCInstallationTestCase.swift in Sources */ = {isa = PBXBuildFile; fileRef = D3D41AA8282D226800F6E5CD /* LCInstallationTestCase.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -613,6 +614,7 @@
 		D3A3FA38269ECD40002531C7 /* LCFriendship.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = LCFriendship.m; sourceTree = "<group>"; };
 		D3AD74AA24BC216200D1BBEE /* LCUserTestCase.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LCUserTestCase.swift; sourceTree = "<group>"; };
 		D3C53FCB2106D84A00D48686 /* LCIMClientProtocol.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = LCIMClientProtocol.h; sourceTree = "<group>"; };
+		D3D41AA8282D226800F6E5CD /* LCInstallationTestCase.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LCInstallationTestCase.swift; sourceTree = "<group>"; };
 		D3D6E43923544F520048E58F /* LCGPBExtensionRegistry.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = LCGPBExtensionRegistry.m; sourceTree = "<group>"; };
 		D3D6E43A23544F520048E58F /* LCGPBApi.pbobjc.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LCGPBApi.pbobjc.h; sourceTree = "<group>"; };
 		D3D6E43B23544F520048E58F /* LCGPBEmpty.pbobjc.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = LCGPBEmpty.pbobjc.h; sourceTree = "<group>"; };
@@ -1277,6 +1279,7 @@
 				C43D444427281D39006A31FD /* LCTestObject.h */,
 				C43D444527281D39006A31FD /* LCTestObject.m */,
 				D30B6B6124A0A933006ABE09 /* BaseTestCase.swift */,
+				D3D41AA8282D226800F6E5CD /* LCInstallationTestCase.swift */,
 				D3AD74AA24BC216200D1BBEE /* LCUserTestCase.swift */,
 				C4B25E3C27267DE700F9414F /* LCObjectTestCase.swift */,
 				D313717F26BBDAC200123756 /* LCQueryTestCase.swift */,
@@ -1868,6 +1871,7 @@
 			files = (
 				D30B6B6224A0A933006ABE09 /* BaseTestCase.swift in Sources */,
 				D313718026BBDAC200123756 /* LCQueryTestCase.swift in Sources */,
+				D3D41AA9282D226800F6E5CD /* LCInstallationTestCase.swift in Sources */,
 				C497E8C52760A77300441160 /* LCPushTestCase.swift in Sources */,
 				C4B7A99327698C4A00D8833B /* LCIMClientTestCase.swift in Sources */,
 				D36A095A25BEA75000A4F312 /* IMMessageTestCase.swift in Sources */,

AVOS/LeanCloudObjcTests/LCInstallationTestCase.swift

@@ -0,0 +1,22 @@
+//
+//  LCInstallationTestCase.swift
+//  LeanCloudObjcTests
+//
+//  Created by zapcannon87 on 2022/05/12.
+//  Copyright © 2022 LeanCloud Inc. All rights reserved.
+//
+
+import XCTest
+@testable import LeanCloudObjc
+
+class LCInstallationTestCase: BaseTestCase {
+    
+    func testClearPersistentCache() {
+        let installation = LCInstallation.default()
+        installation.setDeviceTokenFrom(uuid.data(using: .utf8)!, teamId: "LeanCloud")
+        XCTAssertTrue(installation.save())
+        XCTAssertTrue(FileManager.default.fileExists(atPath: LCPersistenceUtils.currentInstallationArchivePath()))
+        LCInstallation.clearPersistentCache()
+        XCTAssertFalse(FileManager.default.fileExists(atPath: LCPersistenceUtils.currentInstallationArchivePath()))
+    }
+}

AVOS/LeanCloudObjcTests/LeanCloudObjcTests-Bridging-Header.h

@@ -14,4 +14,4 @@
 #import "LCTestObject.h"
 #import "LCIMConversation_Internal.h"
 #import "LCIMMessage_Internal.h"
-
+#import "LCPersistenceUtils.h"

AVOS/Sources/Foundation/Push/LCInstallation.h

@@ -47,6 +47,9 @@ NS_ASSUME_NONNULL_BEGIN
 /// For compatibility, same as the `defaultInstallation`.
 + (instancetype)currentInstallation;
 
+/// Clear default/current installation's Persistent Cache.
++ (void)clearPersistentCache;
+
 /// Create a new installation instance.
 + (instancetype)installation;
 

AVOS/Sources/Foundation/Push/LCInstallation.m

@@ -11,6 +11,7 @@
 #import "LCPersistenceUtils.h"
 #import "LCErrorUtils.h"
 #import "LCRouter_Internal.h"
+#import "LCLogger.h"
 
 @implementation LCInstallation {
     NSString *_deviceToken;
@@ -43,12 +44,10 @@ + (instancetype)defaultInstallation
     dispatch_once(&onceToken, ^{
         instance = [LCInstallation installation];
         NSString *path = [LCPersistenceUtils currentInstallationArchivePath];
-        if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
-            NSMutableDictionary *dictionary = [NSMutableDictionary dictionaryWithDictionary:
-                                               [LCPersistenceUtils getJSONFromPath:path]];
-            if (dictionary) {
-                [LCObjectUtils copyDictionary:dictionary
-                                     toObject:instance];
+        if (path && [[NSFileManager defaultManager] fileExistsAtPath:path]) {
+            NSDictionary *dictionary = [LCPersistenceUtils getJSONFromPath:path];
+            if ([dictionary isKindOfClass:[NSDictionary class]]) {
+                [LCObjectUtils copyDictionary:dictionary toObject:instance];
             }
         }
     });
@@ -60,6 +59,17 @@ + (instancetype)currentInstallation
     return [LCInstallation defaultInstallation];
 }
 
++ (void)clearPersistentCache {
+    NSString *path = [LCPersistenceUtils currentInstallationArchivePath];
+    if (path && [[NSFileManager defaultManager] fileExistsAtPath:path]) {
+        NSError *error = nil;
+        [[NSFileManager defaultManager] removeItemAtPath:path error:&error];
+        if (error) {
+            LCLoggerError(LCLoggerDomainStorage, @"Error: %@", error);
+        }
+    }
+}
+
 + (NSString *)deviceType
 {
 #if TARGET_OS_TV