From 56d941a754931e67cc708bdd11bc57e46526e32a Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Mon, 12 Feb 2018 15:06:18 -0500
Subject: [PATCH] state service

---
 src/abstractions/index.ts         |  1 +
 src/abstractions/state.service.ts |  6 ++++++
 src/services/index.ts             |  1 +
 src/services/state.service.ts     | 27 +++++++++++++++++++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 src/abstractions/state.service.ts
 create mode 100644 src/services/state.service.ts

diff --git a/src/abstractions/index.ts b/src/abstractions/index.ts
index 154ef9238f..0d5551e070 100644
--- a/src/abstractions/index.ts
+++ b/src/abstractions/index.ts
@@ -13,6 +13,7 @@ export { PasswordGenerationService } from './passwordGeneration.service';
 export { PlatformUtilsService } from './platformUtils.service';
 export { SettingsService } from './settings.service';
 export { StorageService } from './storage.service';
+export { StateService } from './state.service';
 export { SyncService } from './sync.service';
 export { TokenService } from './token.service';
 export { TotpService } from './totp.service';
diff --git a/src/abstractions/state.service.ts b/src/abstractions/state.service.ts
new file mode 100644
index 0000000000..78658882cd
--- /dev/null
+++ b/src/abstractions/state.service.ts
@@ -0,0 +1,6 @@
+export abstract class StateService {
+    get: <T>(key: string) => Promise<T>;
+    save: (key: string, obj: any) => Promise<any>;
+    remove: (key: string) => Promise<any>;
+    purge: () => Promise<any>;
+}
diff --git a/src/services/index.ts b/src/services/index.ts
index f66088a65b..c69cafca30 100644
--- a/src/services/index.ts
+++ b/src/services/index.ts
@@ -11,6 +11,7 @@ export { FolderService } from './folder.service';
 export { LockService } from './lock.service';
 export { PasswordGenerationService } from './passwordGeneration.service';
 export { SettingsService } from './settings.service';
+export { StateService } from './state.service';
 export { SyncService } from './sync.service';
 export { TokenService } from './token.service';
 export { TotpService } from './totp.service';
diff --git a/src/services/state.service.ts b/src/services/state.service.ts
new file mode 100644
index 0000000000..03a09e30fc
--- /dev/null
+++ b/src/services/state.service.ts
@@ -0,0 +1,27 @@
+import { StateService as StateServiceAbstraction } from '../abstractions/state.service';
+
+export class StateService implements StateServiceAbstraction {
+    private state: any = {};
+
+    get<T>(key: string): Promise<T> {
+        if (this.state.hasOwnProperty(key)) {
+            return Promise.resolve(this.state[key]);
+        }
+        return Promise.resolve(null);
+    }
+
+    save(key: string, obj: any): Promise<any> {
+        this.state[key] = obj;
+        return Promise.resolve();
+    }
+
+    remove(key: string): Promise<any> {
+        delete this.state[key];
+        return Promise.resolve();
+    }
+
+    purge(): Promise<any> {
+        this.state = {};
+        return Promise.resolve();
+    }
+}