Mo Elzubeir
108 lines
3.0 KiB
JavaScript
108 lines
3.0 KiB
JavaScript
import {fromJS} from 'immutable'
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const categoriesFromState = (fn) => {
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return (state, ...args) => {
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const categories = state.getIn(['appState', 'sidebar', 'categories']).toJS()
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return fromJS(fn(categories, ...args))
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}
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}
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const walkCategories = (fn) => {
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return (categories, ...args) => {
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const walker = (array) => {
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return array.map((category) => {
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category.childes = walker(category.childes)
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fn(category, ...args)
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return category
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})
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}
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return walker(categories)
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}
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}
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const feedHelper = (fn) => categoriesFromState(walkCategories(fn))
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//return categories without deleted feed
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export const deleteFeed = feedHelper((category, feedCategoryId, feedId) => {
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if (category.id === feedCategoryId) {
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category.feeds = category.feeds.filter((feed) => feed.id !== feedId)
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}
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})
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export const addFeed = feedHelper((category, feedCategoryId, feed) => {
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if (category.id === feedCategoryId) {
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category.feeds.push(feed)
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}
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})
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export const renameFeed = feedHelper((category, feedId, newFeedName, feedCategoryId) => {
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if (category.id === feedCategoryId) {
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category.feeds = category.feeds.map((feed) => {
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if (feed.id === feedId) {
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feed.name = newFeedName
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}
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return feed
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})
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}
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})
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const _deleteCategory = (categories, categoryId) => {
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return categories.map((category) => {
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if (category.childes.length > 0) {
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const initChildesLength = category.childes.length
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category.childes = category.childes.filter((childCategory) => {
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return childCategory.id !== categoryId
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})
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const childesLengthAfterFilter = category.childes.length
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// if there wasn't deletion continue to search
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if (childesLengthAfterFilter === initChildesLength) {
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category.childes = _deleteCategory(category.childes, categoryId)
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}
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}
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return category
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})
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}
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//return categories without deleted category
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export const deleteCategory = categoriesFromState(_deleteCategory)
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export const addCategory = feedHelper((category, parentId, newCategory) => {
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if (category.id === parentId) {
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category.childes.push(newCategory)
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}
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})
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export const renameCategory = feedHelper((category, categoryId, newCategoryName) => {
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if (category.id === categoryId) {
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category.name = newCategoryName
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}
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})
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export const checkIfDraggedCategoryDragToItsChild = (categories, newCategoryId) => {
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return categories.find((category) => {
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if (category.childes.length > 0) {
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checkIfDraggedCategoryDragToItsChild(category.childes, newCategoryId)
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}
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return category.id === newCategoryId
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})
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}
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export const findFeedById = (categories, feedId) => {
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let feed = null
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categories.forEach((category) => {
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if (!feed && category.feeds.length > 0) {
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const findResult = category.feeds.filter(feed => feed.id === feedId)
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feed = findResult[0] || null
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if (feed) {
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feed.category = category.id
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}
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if (!feed && category.childes.length > 0) {
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feed = findFeedById(category.childes, feedId)
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}
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}
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})
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return feed
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}
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