lbry-desktop/ui/redux/reducers/content.js

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import * as ACTIONS from 'constants/action_types';
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const reducers = {};
const defaultState = {
playingUri: null,
channelClaimCounts: {},
positions: {},
history: [],
};
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reducers[ACTIONS.SET_PLAYING_URI] = (state, action) =>
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Object.assign({}, state, {
playingUri: action.data.uri,
});
reducers[ACTIONS.SET_CONTENT_POSITION] = (state, action) => {
const { claimId, outpoint, position } = action.data;
return {
...state,
positions: {
...state.positions,
[claimId]: {
...state.positions[claimId],
[outpoint]: position,
},
},
};
};
reducers[ACTIONS.SET_CONTENT_LAST_VIEWED] = (state, action) => {
const { uri, lastViewed } = action.data;
const { history } = state;
const historyObj = { uri, lastViewed };
const index = history.findIndex(i => i.uri === uri);
const newHistory =
index === -1
? [historyObj].concat(history)
: [historyObj].concat(history.slice(0, index), history.slice(index + 1));
return { ...state, history: [...newHistory] };
};
reducers[ACTIONS.CLEAR_CONTENT_HISTORY_URI] = (state, action) => {
const { uri } = action.data;
const { history } = state;
const index = history.findIndex(i => i.uri === uri);
return index === -1
? state
: {
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...state,
history: history.slice(0, index).concat(history.slice(index + 1)),
};
};
reducers[ACTIONS.CLEAR_CONTENT_HISTORY_ALL] = state => ({ ...state, history: [] });
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export default function reducer(state = defaultState, action) {
const handler = reducers[action.type];
if (handler) return handler(state, action);
return state;
}