new session service

src/app/models/beast-orm-function.ts

@@ -0,0 +1,56 @@
+import { AES, SHA1, enc } from  "crypto-js";
+import { environment } from 'src/environments/environment'
+
+
+function prefix() {
+    return environment.version.lastCommitNumber + environment.id+"-";
+}
+
+export function GET({key, localStorage, instance}) {
+    if(environment.storageProduction) {
+
+        try {
+            const newKey = prefix() + SHA1(key).toString()
+            const cipherText = localStorage.getItem(newKey)
+            const bytes = AES.decrypt(cipherText, newKey)
+            var decryptedData = bytes.toString(enc.Utf8);
+            const restoredData = JSON.parse(decryptedData)
+
+            Object.assign(instance, restoredData);
+            
+            return restoredData
+            
+        } catch(error) {
+            console.log(error)
+            return {}
+        }
+        
+    } else {
+        return JSON.parse(localStorage.getItem(prefix() + key))
+    }
+    
+}
+
+export function SAVE({key, localStorage, instance, dataToSave}) {
+    if(environment.storageProduction) {
+        const newKey = prefix() + SHA1(key).toString()   
+        const stringifyData  = JSON.stringify(dataToSave)
+
+        const cipherText = AES.encrypt(stringifyData, newKey).toString();
+
+        localStorage.setItem(newKey, cipherText)
+
+    } else {
+        localStorage.setItem(prefix() + key, dataToSave)
+    }
+}
+
+export function DELETE({key, localStorage, instance}) {
+    if(environment.storageProduction) {
+        const newKey = prefix() + SHA1(key).toString()
+        localStorage.removeItem(newKey)
+
+    } else {
+        localStorage.removeItem(prefix() + key)
+    }
+}