1 files changed, 90 insertions, 0 deletions

diff --git a/fe/src/stores/auth.ts b/fe/src/stores/auth.ts
new file mode 100644
index 0000000..63f027e
--- /dev/null
+++ b/fe/src/stores/auth.ts
@@ -0,0 +1,90 @@
+import type { Preference, TokenStore, Nullable, UserStore, User, PreferenceStore } from "../types";
+import { writable, derived } from "svelte/store";
+
+
+function createTokenStore(): TokenStore {
+    const storedToken = localStorage.getItem("token");
+    const { subscribe, set } = writable<string | null>(storedToken);
+
+    function authenticate(newToken: string): void {
+        try {
+            localStorage.setItem("token", newToken);
+            set(newToken);
+        } catch (e) {
+            console.error("error", e);
+        }
+    }
+
+    function unauthenticate(): void {
+        localStorage.removeItem("token");
+        set(null);
+    }
+
+    return {
+        subscribe,
+        authenticate,
+        unauthenticate
+    };
+}
+
+function onTokenChange($token: Nullable<string>): boolean {
+    return $token ? true : false;
+}
+
+function createUserStore(): UserStore {
+    const user = localStorage.getItem("user");
+    const userObj: Nullable<User> = user ? JSON.parse(user) : null;
+    const { subscribe, set } = writable<User | null>(userObj);
+
+    const setUser = (user: User) => {
+        localStorage.setItem("user", JSON.stringify(user));
+        set(user);
+    };
+
+    const reset = () => {
+        localStorage.removeItem("user");
+        set(null);
+    };
+
+    return {
+        subscribe,
+        setUser,
+        reset
+    };
+}
+
+
+function createPreferenceStore(): PreferenceStore {
+    const preferences = localStorage.getItem("preferences");
+    const preferenceObj: Preference = preferences ? JSON.parse(preferences) : {
+        id: 0,
+        color: "#FF0000",
+        size_id: 0,
+        user_id: 0
+    };
+
+    const { subscribe, set, update } = writable<Nullable<Preference>>(preferenceObj);
+
+    const setPreference = (preference: Preference) => {
+        localStorage.setItem("preference", JSON.stringify(preference));
+        set(preference);
+    };
+
+    const reset = () => {
+        localStorage.removeItem("preference");
+        set(null);
+    };
+
+    return {
+        set,
+        subscribe,
+        reset,
+        update,
+        setPreference,
+    };
+}
+
+export const token = createTokenStore();
+export const authenticated = derived(token, onTokenChange);
+export const user = createUserStore();
+export const preferences = createPreferenceStore();