40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| import {
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|   FAVOURITED_STATUSES_FETCH_SUCCESS,
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|   FAVOURITED_STATUSES_EXPAND_SUCCESS,
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| } from '../actions/favourites';
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| import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
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| 
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| const initialState = ImmutableMap({
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|   favourites: ImmutableMap({
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|     next: null,
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|     loaded: false,
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|     items: ImmutableList(),
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|   }),
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| });
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| 
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| const normalizeList = (state, listType, statuses, next) => {
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|   return state.update(listType, listMap => listMap.withMutations(map => {
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|     map.set('next', next);
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|     map.set('loaded', true);
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|     map.set('items', ImmutableList(statuses.map(item => item.id)));
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|   }));
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| };
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| 
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| const appendToList = (state, listType, statuses, next) => {
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|   return state.update(listType, listMap => listMap.withMutations(map => {
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|     map.set('next', next);
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|     map.set('items', map.get('items').concat(statuses.map(item => item.id)));
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|   }));
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| };
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| 
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| export default function statusLists(state = initialState, action) {
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|   switch(action.type) {
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|   case FAVOURITED_STATUSES_FETCH_SUCCESS:
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|     return normalizeList(state, 'favourites', action.statuses, action.next);
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|   case FAVOURITED_STATUSES_EXPAND_SUCCESS:
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|     return appendToList(state, 'favourites', action.statuses, action.next);
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|   default:
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|     return state;
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|   }
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| };
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