appbaseio/reactivesearch

import React, { Component } from 'react';

import {
    addComponent,
    removeComponent,
    watchComponent,
    updateQuery,
    setQueryListener,
    setQueryOptions,
} from '@appbaseio/reactivecore/lib/actions';
import {
    checkValueChange,
    checkPropChange,
    getClassName,
    checkSomePropChange,
    pushToAndClause,
    getQueryOptions,
} from '@appbaseio/reactivecore/lib/utils/helper';

import types from '@appbaseio/reactivecore/lib/utils/types';

import Title from '../../styles/Title';
import Input from '../../styles/Input';
import Container from '../../styles/Container';
import { UL, Radio } from '../../styles/FormControlList';
import { connect } from '../../utils';
import { getAggsQuery } from './utils';

class SingleDataList extends Component {
    constructor(props) {
        super(props);

        this.state = {
            currentValue: null,
            searchTerm: '',
            options: props.data || [],
        };

        this.internalComponent = `${props.componentId}__internal`;
        this.locked = false;
        props.setQueryListener(props.componentId, props.onQueryChange, null);
    }

    componentWillMount() {
        this.props.addComponent(this.internalComponent);
        this.props.addComponent(this.props.componentId);

        if (this.props.showCount) {
            this.updateQueryOptions(this.props);
        }

        this.setReact(this.props);

        if (this.props.selectedValue) {
            this.setValue(this.props.selectedValue);
        } else if (this.props.defaultSelected) {
            this.setValue(this.props.defaultSelected);
        }
    }

    componentWillReceiveProps(nextProps) {
        checkPropChange(this.props.react, nextProps.react, () => this.setReact(nextProps));
        checkSomePropChange(this.props, nextProps, ['dataField', 'nestedField'], () => {
            this.updateQuery(this.state.currentValue, nextProps);

            if (nextProps.showCount) {
                this.updateQueryOptions(nextProps);
            }
        });

        checkPropChange(this.props.data, nextProps.data, () => {
            if (nextProps.showCount) {
                this.updateQueryOptions(nextProps);
            }
        });

        checkPropChange(this.props.options, nextProps.options, () => {
            this.updateStateOptions(nextProps.options[nextProps.dataField].buckets);
        });

        if (this.props.defaultSelected !== nextProps.defaultSelected) {
            this.setValue(nextProps.defaultSelected);
        } else if (this.state.currentValue !== nextProps.selectedValue) {
            this.setValue(nextProps.selectedValue || '');
        }
    }

    componentWillUnmount() {
        this.props.removeComponent(this.props.componentId);
        this.props.removeComponent(this.internalComponent);
    }

    setReact(props) {
        const { react } = props;
        if (react) {
            const newReact = pushToAndClause(react, this.internalComponent);
            props.watchComponent(props.componentId, newReact);
        } else {
            props.watchComponent(props.componentId, {
                and: this.internalComponent,
            });
        }
    }

    static defaultQuery = (value, props) => {
        let query = null;
        if (props.selectAllLabel && props.selectAllLabel === value) {
            query = {
                exists: {
                    field: props.dataField,
                },
            };
        } else if (value) {
            query = {
                term: {
                    [props.dataField]: value,
                },
            };
        }
        if (query && props.nestedField) {
            return {
                query: {
                    nested: {
                        path: props.nestedField,
                        query,
                    },
                },
            };
        }
        return query;
    };

    setValue = (nextValue, props = this.props) => {
        // ignore state updates when component is locked
        if (props.beforeValueChange && this.locked) {
            return;
        }

        this.locked = true;
        let value = nextValue;
        if (nextValue === this.state.currentValue) {
            value = null;
        }

        const performUpdate = () => {
            this.setState(
                {
                    currentValue: value,
                },
                () => {
                    this.updateQuery(value, props);
                    this.locked = false;
                    if (props.onValueChange) props.onValueChange(value);
                },
            );
        };

        checkValueChange(props.componentId, value, props.beforeValueChange, performUpdate);
    };

    updateQuery = (value, props) => {
        const query = props.customQuery || SingleDataList.defaultQuery;

        let currentValue = value;
        if (value !== props.selectAllLabel) {
            currentValue = props.data.find(item => item.label === value);
            currentValue = currentValue ? currentValue.value : null;
        }

        props.updateQuery({
            componentId: props.componentId,
            query: query(currentValue, props),
            value: currentValue ? value : null,
            label: props.filterLabel,
            showFilter: props.showFilter,
            URLParams: props.URLParams,
            componentType: 'SINGLEDATALIST',
        });
    };

    static generateQueryOptions(props, state) {
        const queryOptions = getQueryOptions(props);
        const includes = state.options.map(item => item.value);
        return getAggsQuery(queryOptions, props, includes);
    }

    updateQueryOptions = (props) => {
        const queryOptions = SingleDataList.generateQueryOptions(props, this.state);
        props.setQueryOptions(this.internalComponent, queryOptions);
    };

    updateStateOptions = (bucket) => {
        if (bucket) {
            const bucketDictionary = bucket.reduce(
                (obj, item) => ({
                    ...obj,
                    [item.key]: item.doc_count,
                }),
                {},
            );

            const { options } = this.state;
            const newOptions = options.map((item) => {
                if (bucketDictionary[item.value]) {
                    return {
                        ...item,
                        count: bucketDictionary[item.value],
                    };
                }

                return item;
            });

            this.setState({
                options: newOptions,
            });
        }
    };

    handleInputChange = (e) => {
        const { value } = e.target;
        this.setState({
            searchTerm: value,
        });
    };

    renderSearch = () => {
        if (this.props.showSearch) {
            return (
                <Input
                    className={getClassName(this.props.innerClass, 'input') || null}
                    onChange={this.handleInputChange}
                    value={this.state.searchTerm}
                    placeholder={this.props.placeholder}
                    style={{
                        margin: '0 0 8px',
                    }}
                    themePreset={this.props.themePreset}
                />
            );
        }
        return null;
    };

    handleClick = (e) => {
        this.setValue(e.target.value);
    };

    render() {
        const { selectAllLabel, showCount, renderListItem } = this.props;
        const { options } = this.state;

        if (options.length === 0) {
            return null;
        }

        return (
            <Container style={this.props.style} className={this.props.className}>
                {this.props.title && (
                    <Title className={getClassName(this.props.innerClass, 'title') || null}>
                        {this.props.title}
                    </Title>
                )}
                {this.renderSearch()}
                <UL className={getClassName(this.props.innerClass, 'list') || null}>
                    {selectAllLabel && (
                        <li
                            key={selectAllLabel}
                            className={`${
                                this.state.currentValue === selectAllLabel ? 'active' : ''
                            }`}
                        >
                            <Radio
                                className={getClassName(this.props.innerClass, 'radio')}
                                id={`${this.props.componentId}-${selectAllLabel}`}
                                name={this.props.componentId}
                                value={selectAllLabel}
                                onChange={this.handleClick}
                                checked={this.state.currentValue === selectAllLabel}
                                show={this.props.showRadio}
                            />
                            <label
                                className={getClassName(this.props.innerClass, 'label') || null}
                                htmlFor={`${this.props.componentId}-${selectAllLabel}`}
                            >
                                {selectAllLabel}
                            </label>
                        </li>
                    )}
                    {options
                        .filter((item) => {
                            if (this.props.showSearch && this.state.searchTerm) {
                                return item.label
                                    .toLowerCase()
                                    .includes(this.state.searchTerm.toLowerCase());
                            }
                            return true;
                        })
                        .map(item => (
                            <li
                                key={item.label}
                                className={`${
                                    this.state.currentValue === item.label ? 'active' : ''
                                }`}
                            >
                                <Radio
                                    className={getClassName(this.props.innerClass, 'radio')}
                                    id={`${this.props.componentId}-${item.label}`}
                                    name={this.props.componentId}
                                    value={item.label}
                                    onClick={this.handleClick}
                                    readOnly
                                    checked={this.state.currentValue === item.label}
                                    show={this.props.showRadio}
                                />
                                <label
                                    className={getClassName(this.props.innerClass, 'label') || null}
                                    htmlFor={`${this.props.componentId}-${item.label}`}
                                >
                                    {renderListItem ? (
                                        renderListItem(item.label, item.count)
                                    ) : (
                                        <span>
                                            {item.label}
                                            {showCount && item.count && (
                                                <span
                                                    className={
                                                        getClassName(
                                                            this.props.innerClass,
                                                            'count',
                                                        ) || null
                                                    }
                                                >
                                                    &nbsp;({item.count})
                                                </span>
                                            )}
                                        </span>
                                    )}
                                </label>
                            </li>
                        ))}
                </UL>
            </Container>
        );
    }
}

SingleDataList.propTypes = {
    addComponent: types.funcRequired,
    removeComponent: types.funcRequired,
    setQueryListener: types.funcRequired,
    setQueryOptions: types.funcRequired,
    updateQuery: types.funcRequired,
    watchComponent: types.funcRequired,
    selectedValue: types.selectedValue,
    options: types.options,
    // component props
    beforeValueChange: types.func,
    className: types.string,
    componentId: types.stringRequired,
    customQuery: types.func,
    data: types.data,
    dataField: types.stringRequired,
    defaultSelected: types.string,
    filterLabel: types.string,
    innerClass: types.style,
    nestedField: types.string,
    onQueryChange: types.func,
    onValueChange: types.func,
    placeholder: types.string,
    react: types.react,
    selectAllLabel: types.string,
    showFilter: types.bool,
    showRadio: types.boolRequired,
    showSearch: types.bool,
    style: types.style,
    themePreset: types.themePreset,
    title: types.title,
    URLParams: types.bool,
    showCount: types.bool,
    renderListItem: types.func,
};

SingleDataList.defaultProps = {
    className: null,
    placeholder: 'Search',
    showFilter: true,
    showRadio: true,
    showSearch: true,
    style: {},
    URLParams: false,
    showCount: false,
};

const mapStateToProps = (state, props) => ({
    selectedValue:
        (state.selectedValues[props.componentId]
            && state.selectedValues[props.componentId].value)
        || null,
    themePreset: state.config.themePreset,
    options:
        props.nestedField && state.aggregations[props.componentId]
            ? state.aggregations[props.componentId].reactivesearch_nested
            : state.aggregations[props.componentId],
});

const mapDispatchtoProps = dispatch => ({
    addComponent: component => dispatch(addComponent(component)),
    removeComponent: component => dispatch(removeComponent(component)),
    updateQuery: updateQueryObject => dispatch(updateQuery(updateQueryObject)),
    watchComponent: (component, react) => dispatch(watchComponent(component, react)),
    setQueryListener: (component, onQueryChange, beforeQueryChange) =>
        dispatch(setQueryListener(component, onQueryChange, beforeQueryChange)),
    setQueryOptions: (component, props) => dispatch(setQueryOptions(component, props)),
});

export default connect(
    mapStateToProps,
    mapDispatchtoProps,
)(SingleDataList);