@selfcommunity/react-core/lib/esm/hooks/useSCFetchCategory.js

React Core Components useful for integrating UI Community components (react-ui).

import { useEffect, useMemo, useState } from 'react';
import { SCOPE_SC_CORE } from '../constants/Errors';
import { Endpoints, http } from '@selfcommunity/api-services';
import { CacheStrategies, Logger, LRUCache, objectWithoutProperties } from '@selfcommunity/utils';
import { getCategoryObjectCacheKey } from '../constants/Cache';
import { useDeepCompareEffectNoCheck } from 'use-deep-compare-effect';
import { useSCUser } from '../components/provider/SCUserProvider';
/**
 :::info
 This custom hook is used to fetch a category object.
 :::
 * @param object
 * @param object.id
 * @param object.category
 * @param object.cacheStrategy
 */
export default function useSCFetchCategory({ id = null, category = null, cacheStrategy = CacheStrategies.CACHE_FIRST, }) {
    const __categoryId = category ? category.id : id;
    // CONTEXT
    const scUserContext = useSCUser();
    const authUserId = scUserContext.user ? scUserContext.user.id : null;
    // CACHE
    const __categoryCacheKey = getCategoryObjectCacheKey(__categoryId);
    const __category = authUserId ? category : objectWithoutProperties(category, ['followed']);
    const [scCategory, setSCCategory] = useState(cacheStrategy !== CacheStrategies.NETWORK_ONLY ? LRUCache.get(__categoryCacheKey, __category) : null);
    const [error, setError] = useState(null);
    /**
     * Memoized fetchTag
     */
    const fetchCategory = useMemo(() => () => {
        return http
            .request({
            url: Endpoints.Category.url({ id: __categoryId }),
            method: Endpoints.Category.method,
        })
            .then((res) => {
            if (res.status >= 300) {
                return Promise.reject(res);
            }
            return Promise.resolve(res.data);
        });
    }, [__categoryId]);
    /**
     * If id attempt to get the category by id
     */
    useEffect(() => {
        if (__categoryId && (!scCategory || (scCategory && __categoryId !== scCategory.id))) {
            fetchCategory()
                .then((obj) => {
                const _c = authUserId ? obj : objectWithoutProperties(obj, ['followed']);
                setSCCategory(_c);
                LRUCache.set(__categoryCacheKey, _c);
            })
                .catch((err) => {
                LRUCache.delete(__categoryCacheKey);
                setError(`Category with id ${id} not found`);
                Logger.error(SCOPE_SC_CORE, `Category with id ${id} not found`);
                Logger.error(SCOPE_SC_CORE, err.message);
            });
        }
    }, [__categoryId]);
    useDeepCompareEffectNoCheck(() => {
        if (category) {
            const _c = authUserId ? category : objectWithoutProperties(category, ['followed']);
            setSCCategory(_c);
            LRUCache.set(__categoryCacheKey, _c);
        }
    }, [category]);
    return { scCategory, setSCCategory, error };
}