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import { IActionHandler } from '../flux/action';
import { SetTitleAction } from '../actions/titleActions';
import { AddSnackbarNotification, RemoveSnackbarNotification } from '../actions/snackbarActions';
import { AddErrorInfoAction, RemoveErrorInfoAction, ClearErrorInfoAction } from '../actions/errorActions';
import { IconType } from '../models/iconDefinition';
import { ErrorInfo } from '../models/errorInfo';
import { SnackbarItem } from '../models/snackbarItem';
export interface IApplicationState {
title: string;
icon?: IconType;
errors: ErrorInfo[];
snackBars: SnackbarItem[];
}
const applicationStateInit: IApplicationState = { title: "Loading ...", errors: [], snackBars:[] };
export const applicationStateHandler: IActionHandler<IApplicationState> = (state = applicationStateInit, action) => {
if (action instanceof SetTitleAction) {
state = {
...state,
title: action.title,
icon: action.icon
};
} else if (action instanceof AddErrorInfoAction) {
state = {
...state,
errors: [
...state.errors,
action.errorInfo
]
};
} else if (action instanceof RemoveErrorInfoAction) {
const index = state.errors.indexOf(action.errorInfo);
if (index > -1) {
state = {
...state,
errors: [
...state.errors.slice(0, index),
...state.errors.slice(index + 1)
]
};
}
} else if (action instanceof ClearErrorInfoAction) {
if (state.errors && state.errors.length) {
state = {
...state,
errors: []
};
}
} else if (action instanceof AddSnackbarNotification) {
state = {
...state,
snackBars: [
...state.snackBars,
action.notification
]
};
} else if (action instanceof RemoveSnackbarNotification) {
state = {
...state,
snackBars: state.snackBars.filter(s => s.key !== action.key)
};
}
return state;
};
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