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import { AssetBuyer, BuyQuote } from '@0x/asset-buyer';
import { ObjectMap } from '@0x/types';
import { BigNumber } from '@0x/utils';
import * as _ from 'lodash';
import { assetMetaDataMap } from '../data/asset_meta_data_map';
import {
Asset,
AssetMetaData,
AsyncProcessState,
DisplayStatus,
Network,
OrderProcessState,
OrderState,
} from '../types';
import { assetUtils } from '../util/asset';
import { BigNumberInput } from '../util/big_number_input';
import { Action, ActionTypes } from './actions';
export interface State {
network: Network;
assetBuyer?: AssetBuyer;
assetMetaDataMap: ObjectMap<AssetMetaData>;
selectedAsset?: Asset;
selectedAssetAmount?: BigNumberInput;
buyOrderState: OrderState;
ethUsdPrice?: BigNumber;
latestBuyQuote?: BuyQuote;
quoteRequestState: AsyncProcessState;
latestErrorMessage?: string;
latestErrorDisplayStatus: DisplayStatus;
}
export const INITIAL_STATE: State = {
network: Network.Mainnet,
selectedAssetAmount: undefined,
assetMetaDataMap,
buyOrderState: { processState: OrderProcessState.NONE },
ethUsdPrice: undefined,
latestBuyQuote: undefined,
latestErrorMessage: undefined,
latestErrorDisplayStatus: DisplayStatus.Hidden,
quoteRequestState: AsyncProcessState.NONE,
};
export const reducer = (state: State = INITIAL_STATE, action: Action): State => {
switch (action.type) {
case ActionTypes.UPDATE_ETH_USD_PRICE:
return {
...state,
ethUsdPrice: action.data,
};
case ActionTypes.UPDATE_SELECTED_ASSET_AMOUNT:
return {
...state,
selectedAssetAmount: action.data,
};
case ActionTypes.UPDATE_LATEST_BUY_QUOTE:
return {
...state,
latestBuyQuote: action.data,
quoteRequestState: AsyncProcessState.SUCCESS,
};
case ActionTypes.SET_QUOTE_REQUEST_STATE_PENDING:
return {
...state,
latestBuyQuote: undefined,
quoteRequestState: AsyncProcessState.PENDING,
};
case ActionTypes.SET_QUOTE_REQUEST_STATE_FAILURE:
return {
...state,
latestBuyQuote: undefined,
quoteRequestState: AsyncProcessState.FAILURE,
};
case ActionTypes.UPDATE_BUY_ORDER_STATE:
return {
...state,
buyOrderState: action.data,
};
case ActionTypes.SET_ERROR_MESSAGE:
return {
...state,
latestErrorMessage: action.data,
latestErrorDisplayStatus: DisplayStatus.Present,
};
case ActionTypes.HIDE_ERROR:
return {
...state,
latestErrorDisplayStatus: DisplayStatus.Hidden,
};
case ActionTypes.CLEAR_ERROR:
return {
...state,
latestErrorMessage: undefined,
latestErrorDisplayStatus: DisplayStatus.Hidden,
};
case ActionTypes.UPDATE_SELECTED_ASSET:
const newSelectedAssetData = action.data;
let newSelectedAsset: Asset | undefined;
if (!_.isUndefined(newSelectedAssetData)) {
newSelectedAsset = assetUtils.createAssetFromAssetData(
newSelectedAssetData,
state.assetMetaDataMap,
state.network,
);
}
return {
...state,
selectedAsset: newSelectedAsset,
};
case ActionTypes.RESET_AMOUNT:
return {
...state,
latestBuyQuote: undefined,
quoteRequestState: AsyncProcessState.NONE,
buyOrderState: { processState: OrderProcessState.NONE },
selectedAssetAmount: undefined,
};
default:
return state;
}
};
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