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import { FILTERS_IMPORT } from '../actions/importer';
import { FILTERS_FETCH_SUCCESS, FILTERS_CREATE_SUCCESS } from '../actions/filters';
import { Map as ImmutableMap, is, fromJS } from 'immutable';
const normalizeFilter = (state, filter) => {
const normalizedFilter = fromJS({
id: filter.id,
title: filter.title,
context: filter.context,
filter_action: filter.filter_action,
keywords: filter.keywords,
expires_at: filter.expires_at ? Date.parse(filter.expires_at) : null,
});
if (is(state.get(filter.id), normalizedFilter)) {
return state;
} else {
// Do not overwrite keywords when receiving a partial filter
return state.update(filter.id, ImmutableMap(), (old) => (
old.mergeWith(((old_value, new_value) => (new_value === undefined ? old_value : new_value)), normalizedFilter)
));
}
};
const normalizeFilters = (state, filters) => {
filters.forEach(filter => {
state = normalizeFilter(state, filter);
});
return state;
};
export default function filters(state = ImmutableMap(), action) {
switch(action.type) {
case FILTERS_CREATE_SUCCESS:
return normalizeFilter(state, action.filter);
case FILTERS_FETCH_SUCCESS:
return normalizeFilters(ImmutableMap(), action.filters);
case FILTERS_IMPORT:
return normalizeFilters(state, action.filters);
default:
return state;
}
}
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