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import { Action, IActionHandler } from '../../flux/action';
import { Dispatch } from '../../flux/store';
import { AddErrorInfoAction } from '../../actions/errorActions';
import { IApplicationStoreState } from '../../store/applicationStore';
import { DataCallback } from ".";
export interface IExternalTableState<TData> {
order: 'asc' | 'desc';
orderBy: string | null;
selected: any[] | null;
rows: TData[];
rowCount: number;
page: number;
rowsPerPage: number;
loading: boolean;
showFilter: boolean;
filter: { [property: string]: string };
}
/** Create an actionHandler and actions for external table states. */
export function createExternal<TData>(callback: DataCallback<TData>, selectState: (appState: IApplicationStoreState) => IExternalTableState<TData>) {
//#region Actions
abstract class TableAction extends Action { }
class RequestSortAction extends TableAction {
constructor(public orderBy: string) {
super();
}
}
class SetSelectedAction extends TableAction {
constructor(public selected: TData[] | null) {
super();
}
}
class SetPageAction extends TableAction {
constructor(public page: number) {
super();
}
}
class SetRowsPerPageAction extends TableAction {
constructor(public rowsPerPage: number) {
super();
}
}
class SetFilterChangedAction extends TableAction {
constructor(public filter: {[key: string]: string}) {
super();
}
}
class SetShowFilterAction extends TableAction {
constructor(public show: boolean) {
super();
}
}
class RefreshAction extends TableAction {
constructor() {
super();
}
}
class SetResultAction extends TableAction {
constructor(public result: { page: number, rowCount: number, rows: TData[] }) {
super();
}
}
// #endregion
//#region Action Handler
const externalTableStateInit: IExternalTableState<TData> = {
order: 'asc',
orderBy: null,
selected: null,
rows: [],
rowCount: 0,
page: 0,
rowsPerPage: 10,
loading: false,
showFilter: false,
filter: {}
};
const externalTableStateActionHandler: IActionHandler<IExternalTableState<TData>> = (state = externalTableStateInit, action) => {
if (!(action instanceof TableAction)) return state;
if (action instanceof RefreshAction) {
state = {
...state,
loading: true
}
} else if (action instanceof SetResultAction) {
state = {
...state,
loading: false,
rows: action.result.rows,
rowCount: action.result.rowCount,
page: action.result.page,
}
} else if (action instanceof RequestSortAction) {
state = {
...state,
loading: true,
orderBy : state.orderBy === action.orderBy && state.order === 'desc' ? null : action.orderBy ,
order: state.orderBy === action.orderBy && state.order === 'asc' ? 'desc' : 'asc',
}
} else if (action instanceof SetShowFilterAction) {
state = {
...state,
loading: true,
showFilter: action.show
}
} else if (action instanceof SetFilterChangedAction) {
state = {
...state,
loading: true,
filter: action.filter
}
} else if (action instanceof SetPageAction) {
state = {
...state,
loading: true,
page: action.page
}
} else if (action instanceof SetRowsPerPageAction) {
state = {
...state,
loading: true,
rowsPerPage: action.rowsPerPage
}
}
return state;
}
//const createTableAction(tableAction)
//#endregion
const reloadAction = (dispatch: Dispatch, getAppState: () => IApplicationStoreState) => {
dispatch(new RefreshAction());
const ownState = selectState(getAppState());
Promise.resolve(callback(ownState.page, ownState.rowsPerPage, ownState.orderBy, ownState.order, ownState.showFilter && ownState.filter || {})).then(result => {
dispatch(new SetResultAction(result));
}).catch(error => new AddErrorInfoAction(error));
};
const createActions = (dispatch: Dispatch, skipRefresh: boolean = false) => {
return {
onRefresh: () => {
dispatch(reloadAction);
},
onHandleRequestSort: (orderBy: string) => {
dispatch((dispatch: Dispatch) => {
dispatch(new RequestSortAction(orderBy));
(!skipRefresh) && dispatch(reloadAction);
});
},
onToggleFilter: () => {
dispatch((dispatch: Dispatch, getAppState: () => IApplicationStoreState) => {
const { showFilter } = selectState(getAppState());
dispatch(new SetShowFilterAction(!showFilter));
(!skipRefresh) && dispatch(reloadAction);
});
},
onFilterChanged: (property: string, filterTerm: string) => {
dispatch((dispatch: Dispatch, getAppState: () => IApplicationStoreState) => {
let { filter } = selectState(getAppState());
filter = { ...filter, [property]: filterTerm };
dispatch(new SetFilterChangedAction(filter));
(!skipRefresh) && dispatch(reloadAction);
});
},
onHandleChangePage: (page: number) => {
dispatch((dispatch: Dispatch) => {
dispatch(new SetPageAction(page));
(!skipRefresh) && dispatch(reloadAction);
});
},
onHandleChangeRowsPerPage: (rowsPerPage: number | null) => {
dispatch((dispatch: Dispatch) => {
dispatch(new SetRowsPerPageAction(rowsPerPage || 10));
(!skipRefresh) && dispatch(reloadAction);
});
}
// selected:
};
};
const createProperties = (state: IApplicationStoreState) => {
return {
...selectState(state)
}
}
return {
reloadAction: reloadAction,
createActions: createActions,
createProperties: createProperties,
actionHandler: externalTableStateActionHandler
}
}
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