perform checkMatchesObjectStructure in parseValidObject

src/Model/Utility/utility.ts

@@ -1,4 +1,4 @@
-import { checkIsValidObject } from "./typeSafety";
+import { checkIsValidObject, checkMatchesObjectStructure } from "./typeSafety";
 
 // date
 export function createTimestamp(): string {
@@ -18,9 +18,16 @@ export function parse(string: string): any {
   }
 }
 
-export function parseValidObject<T>(string: string): T|null {
+export function parseValidObject<T>(string: string, reference: T): T | null {
   const parsed: any = parse(string);
   if (checkIsValidObject(parsed) == false) return null;
+
+  const doesMatchReference: boolean = checkMatchesObjectStructure(
+    parsed,
+    reference
+  );
+  if (doesMatchReference == false) return null;
+
   return parsed;
 }
 

src/Model/chatModel.ts

@@ -1,9 +1,6 @@
 // this file is responsible for managing chats.
 
-import {
-  DATA_VERSION,
-  ValidObject,
-} from "./Utility/typeSafety";
+import { DATA_VERSION, ValidObject } from "./Utility/typeSafety";
 import FileModel, { File } from "./fileModel";
 import StorageModel, { storageKeys } from "./storageModel";
 import {
@@ -182,7 +179,10 @@ export default class ChatModel {
   };
 
   handleMessage = (body: string): void => {
-    const chatMessage: ChatMessage | null = parseValidObject<ChatMessage>(body);
+    const chatMessage: ChatMessage | null = parseValidObject(
+      body,
+      ChatMessageReference
+    );
     if (chatMessage == null) return;
 
     chatMessage.status = ChatMessageStatus.Received;

src/Model/fileModel.ts

@@ -13,7 +13,7 @@ export default class FileModel {
 
   // handler
   handleStringifiedFile = (stringifiedFile: string): void => {
-    const file: File | null = parseValidObject<File>(stringifiedFile);
+    const file: File | null = parseValidObject(stringifiedFile, FileReference);
     if (file == null) return;
 
     this.storeFile(file);

src/Model/storageModel.ts

@@ -1,11 +1,11 @@
 // this file is responsible for reading and writing persistent data; all storage shall be handled by this file.
 
-import { DATA_VERSION, ValidObject, checkMatchesObjectStructure } from "./Utility/typeSafety";
 import {
-  localeCompare,
-  parseValidObject,
-  stringify,
-} from "./Utility/utility";
+  DATA_VERSION,
+  ValidObject,
+  checkMatchesObjectStructure,
+} from "./Utility/typeSafety";
+import { localeCompare, parseValidObject, stringify } from "./Utility/utility";
 
 export const PATH_COMPONENT_SEPARATOR = "\\";
 
@@ -77,16 +77,16 @@ export default class StorageModel {
     this.write(pathComponents, valueString);
   };
 
-  readStringifiable = <T extends ValidObject>(pathComponents: string[], reference: T): T | null => {
+  readStringifiable = <T extends ValidObject>(
+    pathComponents: string[],
+    reference: T
+  ): T | null => {
     const valueString: string | null = this.read(pathComponents);
     if (!valueString) return null;
 
-    const object: any | null = parseValidObject(valueString);
+    const object: any | null = parseValidObject(valueString, reference);
     if (object == null) return null;
 
-    const doesMatchReference: boolean = checkMatchesObjectStructure(object, reference);
-    if (doesMatchReference == false) return null;
-        
     return object;
   };