feat: move NotificationProvider into Notifications folder

frontend/components/context/Notifications/NotificationProvider.tsx

@@ -0,0 +1,64 @@
+import { createContext, ReactNode, useContext, useState } from "react";
+
+import Notifications from "./Notifications";
+
+type NotificationType = "success" | "error";
+
+export type Notification = {
+  text: string;
+  type: NotificationType;
+};
+
+type NotificationContextState = {
+  createNotification: ({ text, type }: Notification) => void;
+};
+
+const NotificationContext = createContext<NotificationContextState>({
+  createNotification: () => console.log("createNotification not set!"),
+});
+
+export const useNotificationContext = () => useContext(NotificationContext);
+
+interface NotificationProviderProps {
+  children: ReactNode;
+}
+
+const NotificationProvider = ({ children }: NotificationProviderProps) => {
+  const [notifications, setNotifications] = useState<Notification[]>([]);
+
+  const clearNotification = (text?: string) => {
+    if (text) {
+      return setNotifications((state) =>
+        state.filter((notif) => notif.text !== text)
+      );
+    }
+
+    return setNotifications([]);
+  };
+
+  const createNotification = ({ text, type = "success" }: Notification) => {
+    const doesNotifExist = notifications.some((notif) => notif.text === text);
+
+    if (doesNotifExist) {
+      return;
+    }
+
+    return setNotifications((state) => [...state, { text, type }]);
+  };
+
+  return (
+    <NotificationContext.Provider
+      value={{
+        createNotification,
+      }}
+    >
+      <Notifications
+        notifications={notifications}
+        clearNotification={clearNotification}
+      />
+      {children}
+    </NotificationContext.Provider>
+  );
+};
+
+export default NotificationProvider;