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import { ActionParams } from '../store'
import { FEED_ITEM_MUTATION_TYPES } from '../types/MutationTypes'
import { FeedItem } from '../types/FeedItem'
import { ItemService } from '../dataservices/item.service'
export const FEED_ITEM_ACTION_TYPES = {
FETCH_STARRED: 'FETCH_STARRED',
FETCH_UNREAD: 'FETCH_UNREAD',
MARK_READ: 'MARK_READ',
MARK_UNREAD: 'MARK_UNREAD',
STAR_ITEM: 'STAR_ITEM',
UNSTAR_ITEM: 'UNSTAR_ITEM',
FETCH_FEED_ITEMS: 'FETCH_FEED_ITEMS',
}
export type ItemState = {
fetchingItems: { [key: string]: boolean };
allItemsLoaded: { [key: string]: boolean };
starredLoaded: boolean;
starredCount: number;
unreadCount: number;
allItems: FeedItem[];
selectedId?: string;
}
const state: ItemState = {
fetchingItems: {},
allItemsLoaded: {},
starredLoaded: false,
starredCount: 0,
unreadCount: 0,
allItems: [],
selectedId: undefined,
}
const getters = {
starred(state: ItemState) {
return state.allItems.filter((item) => item.starred)
},
unread(state: ItemState) {
return state.allItems.filter((item) => item.unread)
},
selected(state: ItemState) {
return state.allItems.find((item: FeedItem) => item.id === state.selectedId)
},
}
export const actions = {
async [FEED_ITEM_ACTION_TYPES.FETCH_UNREAD]({ commit }: ActionParams, { start }: { start: number } = { start: 0 }) {
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'unread', fetching: true })
const response = await ItemService.debounceFetchUnread(start)
commit(FEED_ITEM_MUTATION_TYPES.SET_ITEMS, response?.data.items)
if (response?.data.items.length < 40) {
commit(FEED_ITEM_MUTATION_TYPES.SET_ALL_LOADED, { key: 'unread', loaded: true })
}
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'unread', fetching: false })
},
async [FEED_ITEM_ACTION_TYPES.FETCH_STARRED]({ commit }: ActionParams, { start }: { start: number } = { start: 0 }) {
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'starred', fetching: true })
const response = await ItemService.debounceFetchStarred(start)
commit(FEED_ITEM_MUTATION_TYPES.SET_ITEMS, response?.data.items)
if (response?.data.starred) {
commit(FEED_ITEM_MUTATION_TYPES.SET_STARRED_COUNT, response?.data.starred)
}
if (response?.data.items.length < 40) {
commit(FEED_ITEM_MUTATION_TYPES.SET_ALL_LOADED, { key: 'starred', loaded: true })
}
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'starred', fetching: false })
},
async [FEED_ITEM_ACTION_TYPES.FETCH_FEED_ITEMS]({ commit }: ActionParams, { feedId, start }: { feedId: number; start: number }) {
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'feed-' + feedId, fetching: true })
const response = await ItemService.debounceFetchFeedItems(feedId, start)
commit(FEED_ITEM_MUTATION_TYPES.SET_ITEMS, response?.data.items)
if (response?.data.items.length < 40) {
commit(FEED_ITEM_MUTATION_TYPES.SET_ALL_LOADED, { key: 'feed-' + feedId, loaded: true })
}
commit(FEED_ITEM_MUTATION_TYPES.SET_FETCHING, { key: 'feed-' + feedId, fetching: false })
},
[FEED_ITEM_ACTION_TYPES.MARK_READ]({ commit }: ActionParams, { item }: { item: FeedItem}) {
ItemService.markRead(item, true)
if (item.unread) {
commit(FEED_ITEM_MUTATION_TYPES.SET_UNREAD_COUNT, state.unreadCount - 1)
}
item.unread = false
commit(FEED_ITEM_MUTATION_TYPES.UPDATE_ITEM, { item })
},
[FEED_ITEM_ACTION_TYPES.MARK_UNREAD]({ commit }: ActionParams, { item }: { item: FeedItem}) {
ItemService.markRead(item, false)
if (!item.unread) {
commit(FEED_ITEM_MUTATION_TYPES.SET_UNREAD_COUNT, state.unreadCount + 1)
}
item.unread = true
commit(FEED_ITEM_MUTATION_TYPES.UPDATE_ITEM, { item })
},
[FEED_ITEM_ACTION_TYPES.STAR_ITEM]({ commit }: ActionParams, { item }: { item: FeedItem}) {
ItemService.markStarred(item, true)
item.starred = true
commit(FEED_ITEM_MUTATION_TYPES.UPDATE_ITEM, { item })
commit(FEED_ITEM_MUTATION_TYPES.SET_STARRED_COUNT, state.starredCount + 1)
},
[FEED_ITEM_ACTION_TYPES.UNSTAR_ITEM]({ commit }: ActionParams, { item }: { item: FeedItem}) {
ItemService.markStarred(item, false)
item.starred = false
commit(FEED_ITEM_MUTATION_TYPES.UPDATE_ITEM, { item })
commit(FEED_ITEM_MUTATION_TYPES.SET_STARRED_COUNT, state.starredCount - 1)
},
}
export const mutations = {
[FEED_ITEM_MUTATION_TYPES.SET_SELECTED_ITEM](state: ItemState, { id }: { id: string }) {
state.selectedId = id
},
[FEED_ITEM_MUTATION_TYPES.SET_ITEMS](state: ItemState, items: FeedItem[]) {
if (items) {
items.forEach(it => {
if (state.allItems.find((existing: FeedItem) => existing.id === it.id) === undefined) {
state.allItems.push(it)
}
})
}
},
[FEED_ITEM_MUTATION_TYPES.SET_STARRED_COUNT](state: ItemState, count: number) {
state.starredCount = count
},
[FEED_ITEM_MUTATION_TYPES.SET_UNREAD_COUNT](state: ItemState, count: number) {
state.unreadCount = count
},
[FEED_ITEM_MUTATION_TYPES.UPDATE_ITEM](state: ItemState, { item }: { item: FeedItem }) {
const idx = state.allItems.findIndex((it) => it.id === item.id)
state.allItems.splice(idx, 1, item)
},
[FEED_ITEM_MUTATION_TYPES.SET_FETCHING](state: ItemState, { fetching, key }: { fetching: boolean; key: string; }) {
state.fetchingItems[key] = fetching
},
[FEED_ITEM_MUTATION_TYPES.SET_ALL_LOADED](state: ItemState, { loaded, key }: { loaded: boolean; key: string; }) {
state.allItemsLoaded[key] = loaded
},
}
export default {
state,
getters,
actions,
mutations,
}
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