webapp/src/stores/zine/authors.ts
Ilya Y 79d9422a9b
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2023-09-05 10:59:36 +03:00

99 lines
2.7 KiB
TypeScript

import { apiClient } from '../../utils/apiClient'
import type { Author } from '../../graphql/types.gen'
import { createSignal } from 'solid-js'
import { createLazyMemo } from '@solid-primitives/memo'
import { byStat } from '../../utils/sortby'
export type AuthorsSortBy = 'shouts' | 'name' | 'followers'
const [sortAllBy, setSortAllBy] = createSignal<AuthorsSortBy>('shouts')
export const setAuthorsSort = (sortBy: AuthorsSortBy) => setSortAllBy(sortBy)
const [authorEntities, setAuthorEntities] = createSignal<{ [authorSlug: string]: Author }>({})
const [authorsByTopic, setAuthorsByTopic] = createSignal<{ [topicSlug: string]: Author[] }>({})
const sortedAuthors = createLazyMemo(() => {
const authors = Object.values(authorEntities())
switch (sortAllBy()) {
case 'followers': {
authors.sort(byStat('followers'))
break
}
case 'shouts': {
authors.sort(byStat('shouts'))
break
}
case 'name': {
authors.sort((a, b) => a.name.localeCompare(b.name))
break
}
}
return authors
})
const addAuthors = (authors: Author[]) => {
const newAuthorEntities = authors.filter(Boolean).reduce((acc, author) => {
acc[author.slug] = author
return acc
}, {} as Record<string, Author>)
setAuthorEntities((prevAuthorEntities) =>
Object.keys(newAuthorEntities).reduce(
(acc, authorSlug) => {
acc[authorSlug] = {
...acc[authorSlug],
...newAuthorEntities[authorSlug]
}
return acc
},
{ ...prevAuthorEntities }
)
)
}
export const loadAuthor = async ({ slug }: { slug: string }): Promise<void> => {
const author = await apiClient.getAuthor({ slug })
addAuthors([author])
}
export const addAuthorsByTopic = (newAuthorsByTopic: { [topicSlug: string]: Author[] }) => {
const allAuthors = Object.values(newAuthorsByTopic).flat()
addAuthors(allAuthors)
setAuthorsByTopic((prevAuthorsByTopic) => {
return Object.entries(newAuthorsByTopic).reduce((acc, [topicSlug, authors]) => {
if (!acc[topicSlug]) {
acc[topicSlug] = []
}
authors.forEach((author) => {
if (!acc[topicSlug].some((a) => a.slug === author.slug)) {
acc[topicSlug].push(author)
}
})
return acc
}, prevAuthorsByTopic)
})
}
export const loadAllAuthors = async (): Promise<void> => {
const authors = await apiClient.getAllAuthors()
addAuthors(authors)
}
type InitialState = {
authors?: Author[]
sortBy?: AuthorsSortBy
}
export const useAuthorsStore = (initialState: InitialState = {}) => {
if (initialState.sortBy) {
setSortAllBy(initialState.sortBy)
}
addAuthors([...(initialState.authors || [])])
return { authorEntities, sortedAuthors, authorsByTopic }
}