Fix WordPressKit API breaking changes

Author: salimbraksa

Podfile

@@ -47,9 +47,9 @@ def wordpress_ui
 end
 
 def wordpress_kit
-  pod 'WordPressKit', '~> 5.0'
+  # pod 'WordPressKit', '~> 5.0'
   # pod 'WordPressKit', :git => 'https://github.com/wordpress-mobile/WordPressKit-iOS.git', :tag => ''
-  # pod 'WordPressKit', :git => 'https://github.com/wordpress-mobile/WordPressKit-iOS.git', :branch => ''
+  pod 'WordPressKit', :git => 'https://github.com/wordpress-mobile/WordPressKit-iOS.git', :branch => 'task/bump-5.0.1-beta.1'
   # pod 'WordPressKit', :git => 'https://github.com/wordpress-mobile/WordPressKit-iOS.git', :commit => ''
   # pod 'WordPressKit', :path => '../WordPressKit-iOS'
 end

Podfile.lock

@@ -510,9 +510,9 @@ PODS:
     - WordPressKit (~> 5.0-beta)
     - WordPressShared (~> 2.0-beta)
     - WordPressUI (~> 1.7-beta)
-  - WordPressKit (5.0.0):
+  - WordPressKit (5.0.1-beta.1):
     - Alamofire (~> 4.8.0)
-    - NSObject-SafeExpectations (= 0.0.4)
+    - NSObject-SafeExpectations (~> 0.0.4)
     - UIDeviceIdentifier (~> 2.0)
     - WordPressShared (~> 2.0-beta)
     - wpxmlrpc (~> 0.9)
@@ -610,7 +610,7 @@ DEPENDENCIES:
   - SVProgressHUD (= 2.2.5)
   - WordPress-Editor-iOS (~> 1.19.8)
   - WordPressAuthenticator (~> 5.0)
-  - WordPressKit (~> 5.0)
+  - WordPressKit (from `https://github.com/wordpress-mobile/WordPressKit-iOS.git`, branch `task/bump-5.0.1-beta.1`)
   - WordPressShared (~> 2.0.0-beta.1)
   - WordPressUI (~> 1.12.5)
   - WPMediaPicker (~> 1.8.7)
@@ -657,7 +657,6 @@ SPEC REPOS:
     - UIDeviceIdentifier
     - WordPress-Aztec-iOS
     - WordPress-Editor-iOS
-    - WordPressKit
     - WordPressShared
     - WordPressUI
     - WPMediaPicker
@@ -775,6 +774,9 @@ EXTERNAL SOURCES:
     :git: https://github.com/wordpress-mobile/gutenberg-mobile.git
     :submodules: true
     :tag: v1.86.0
+  WordPressKit:
+    :branch: task/bump-5.0.1-beta.1
+    :git: https://github.com/wordpress-mobile/WordPressKit-iOS.git
   Yoga:
     :podspec: https://raw.githubusercontent.com/wordpress-mobile/gutenberg-mobile/v1.86.0/third-party-podspecs/Yoga.podspec.json
 
@@ -790,6 +792,9 @@ CHECKOUT OPTIONS:
     :git: https://github.com/wordpress-mobile/gutenberg-mobile.git
     :submodules: true
     :tag: v1.86.0
+  WordPressKit:
+    :commit: 413c4b26a738b95594681bdd4d03222f2493c504
+    :git: https://github.com/wordpress-mobile/WordPressKit-iOS.git
 
 SPEC CHECKSUMS:
   Alamofire: 3ec537f71edc9804815215393ae2b1a8ea33a844
@@ -877,7 +882,7 @@ SPEC CHECKSUMS:
   WordPress-Aztec-iOS: 7d11d598f14c82c727c08b56bd35fbeb7dafb504
   WordPress-Editor-iOS: 9eb9f12f21a5209cb837908d81ffe1e31cb27345
   WordPressAuthenticator: 0cdf1bff75bd3f58fe733d6457221f27bbbdc9f4
-  WordPressKit: 202f529323b079a344f7bc1493b7ebebfd9ed4b5
+  WordPressKit: 5f280518135257e970bb91377844d5bc356b925a
   WordPressShared: 04403b43f821c4ed2b84a2112ef9f64f1e7cdceb
   WordPressUI: c5be816f6c7b3392224ac21de9e521e89fa108ac
   WPMediaPicker: 0d45dfd7b3c5651c5236ffd48c1b0b2f60a2d5d2
@@ -892,6 +897,6 @@ SPEC CHECKSUMS:
   ZendeskSupportSDK: 3a8e508ab1d9dd22dc038df6c694466414e037ba
   ZIPFoundation: ae5b4b813d216d3bf0a148773267fff14bd51d37
 
-PODFILE CHECKSUM: 0868f232c488e3fae041fc136bc30eeb4b7ba6ae
+PODFILE CHECKSUM: 471e535f35957c1f9bf7a8b0275aafaa0150fc6f
 
 COCOAPODS: 1.11.2

WordPress/Classes/Models/ReaderSiteInfoSubscriptions.swift

@@ -7,7 +7,7 @@ import CoreData
     @NSManaged open var sendPosts: Bool
 
     class func createOrUpdate(from remoteSiteInfo: RemoteReaderSiteInfo, topic: ReaderSiteTopic, context: NSManagedObjectContext) -> ReaderSiteInfoSubscriptionPost? {
-        guard remoteSiteInfo.postSubscription.wp_isValidObject() else {
+        guard let remotePostSubscription = remoteSiteInfo.postSubscription, remotePostSubscription.wp_isValidObject() else {
             return nil
         }
 
@@ -17,7 +17,7 @@ import CoreData
         }
 
         subscription?.siteTopic = topic
-        subscription?.sendPosts = remoteSiteInfo.postSubscription.sendPosts
+        subscription?.sendPosts = remotePostSubscription.sendPosts
 
         return subscription
     }