manifold/web/pages/folds.tsx

import clsx from 'clsx'
import _ from 'lodash'
import { useRouter } from 'next/router'
import { useState } from 'react'
import { Fold } from '../../common/fold'
import { parseWordsAsTags } from '../../common/util/parse'
import { ConfirmationButton } from '../components/confirmation-button'
import { Col } from '../components/layout/col'
import { Row } from '../components/layout/row'
import { Spacer } from '../components/layout/spacer'
import { Page } from '../components/page'
import { SiteLink } from '../components/site-link'
import { TagsList } from '../components/tags-list'
import { Title } from '../components/title'
import { UserLink } from '../components/user-page'
import { useUser } from '../hooks/use-user'
import { createFold } from '../lib/firebase/api-call'
import { foldPath, listAllFolds } from '../lib/firebase/folds'
import { getUser, User } from '../lib/firebase/users'

export async function getStaticProps() {
  const folds = await listAllFolds().catch((_) => [])

  const curators = await Promise.all(
    folds.map((fold) => getUser(fold.curatorId))
  )

  return {
    props: {
      folds,
      curators,
    },

    revalidate: 60, // regenerate after a minute
  }
}

export default function Folds(props: { folds: Fold[]; curators: User[] }) {
  const { folds, curators } = props

  const user = useUser()

  return (
    <Page>
      <Col className="items-center">
        <Col className="max-w-2xl w-full px-2 sm:px-0">
          <Row className="justify-between items-center">
            <Title text="Folds" />
            {user && <CreateFoldButton />}
          </Row>

          <Col className="gap-4">
            {folds.map((fold, index) => (
              <Row key={fold.id} className="items-center gap-2">
                <SiteLink href={foldPath(fold)}>{fold.name}</SiteLink>
                <div />
                <div className="text-sm text-gray-500">12 followers</div>
                <div className="text-gray-500">•</div>
                <Row>
                  <div className="text-sm text-gray-500 mr-1">Curated by</div>
                  <UserLink
                    className="text-sm text-neutral"
                    name={curators[index].name}
                    username={curators[index].username}
                  />
                </Row>
              </Row>
            ))}
          </Col>
        </Col>
      </Col>
    </Page>
  )
}

function CreateFoldButton() {
  const [name, setName] = useState('')
  const [tags, setTags] = useState('')
  const [isSubmitting, setIsSubmitting] = useState(false)

  const router = useRouter()

  const onSubmit = async () => {
    setIsSubmitting(true)

    const result = await createFold({
      name,
      tags: parseWordsAsTags(tags),
    }).then((r) => r.data || {})

    if (result.fold) await router.push(foldPath(result.fold))
    else console.log(result.status, result.message)

    setIsSubmitting(false)
  }

  return (
    <ConfirmationButton
      id="create-fold"
      openModelBtn={{
        label: 'Create a fold',
        className: clsx(
          isSubmitting ? 'loading btn-disabled' : 'btn-primary',
          'btn-sm'
        ),
      }}
      submitBtn={{
        label: 'Create',
        className: clsx(name && tags ? 'btn-primary' : 'btn-disabled'),
      }}
      onSubmit={onSubmit}
    >
      <Title className="!mt-0" text="Create a fold" />

      <Col className="text-gray-500 gap-1">
        <div>A fold is a view of markets that match selected tags.</div>
        <div>You can further include or exclude individual markets.</div>
      </Col>

      <Spacer h={4} />

      <form>
        <div className="form-control w-full">
          <label className="label">
            <span className="mb-1">Fold name</span>
          </label>

          <input
            placeholder="Your fold name"
            className="input input-bordered resize-none"
            disabled={isSubmitting}
            value={name}
            onChange={(e) => setName(e.target.value || '')}
          />
        </div>

        <Spacer h={4} />

        <div className="form-control w-full">
          <label className="label">
            <span className="mb-1">Tags</span>
          </label>

          <input
            placeholder="Politics, Economics, Rationality"
            className="input input-bordered resize-none"
            disabled={isSubmitting}
            value={tags}
            onChange={(e) => setTags(e.target.value || '')}
          />
        </div>

        <Spacer h={4} />
        <TagsList tags={parseWordsAsTags(tags)} />
      </form>
    </ConfirmationButton>
  )
}