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import { v4 as uuid } from 'uuid';
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import { notificationActionTypes } from './notification.types';
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const NotificationInitialState = {
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  notifications: []
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};
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const notificationReducer = (state = NotificationInitialState, { type, payload }) => {
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  switch (type) {
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    case notificationActionTypes.ADD_NOTIFICATION: {
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      const newNotification = { ...payload, id: uuid() };
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      const alreadyExist = state.notifications.find(
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        (notification) => notification.msg === newNotification.msg
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      );
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      if (alreadyExist) return state;
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      return {
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        ...state,
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        notifications: [newNotification, ...state.notifications]
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      };
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    }
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    case notificationActionTypes.REMOVE_NOTIFICATION: {
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      const idToFilter = payload;
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      return {
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        ...state,
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        notifications: state.notifications.filter((element) => element.id !== idToFilter)
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      };
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    }
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    default:
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      return state;
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  }
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};
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export default notificationReducer;