WIP: Add starter packs

app/controllers/api/v1/lists/accounts_controller.rb

@@ -1,25 +1,30 @@
 # frozen_string_literal: true
 
 class Api::V1::Lists::AccountsController < Api::BaseController
-  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:show]
+  include Authorization
+
+  before_action -> { authorize_if_got_token! :read, :'read:lists' }, only: [:show]
   before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:show]
 
-  before_action :require_user!
+  before_action :require_user!, except: [:show]
   before_action :set_list
 
   after_action :insert_pagination_headers, only: :show
 
   def show
+    authorize @list, :show?
     @accounts = load_accounts
     render json: @accounts, each_serializer: REST::AccountSerializer
   end
 
   def create
+    authorize @list, :update?
     AddAccountsToListService.new.call(@list, Account.find(account_ids))
     render_empty
   end
 
   def destroy
+    authorize @list, :update?
     RemoveAccountsFromListService.new.call(@list, Account.where(id: account_ids))
     render_empty
   end
@@ -27,7 +32,7 @@ class Api::V1::Lists::AccountsController < Api::BaseController
   private
 
   def set_list
-    @list = List.where(account: current_account).find(params[:list_id])
+    @list = List.find(params[:list_id])
   end
 
   def load_accounts

app/controllers/api/v1/lists/follows_controller.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class Api::V1::Lists::FollowsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :follow, :write, :'write:follows' }
+  before_action :require_user!
+  before_action :set_list
+
+  def create
+    FollowFromPublicListWorker.perform_async(current_account.id, @list.id)
+    render json: {}, status: 202
+  end
+
+  private
+
+  def set_list
+    @list = List.where(type: :public_list).find(params[:list_id])
+  end
+end

app/controllers/api/v1/lists_controller.rb

@@ -1,10 +1,13 @@
 # frozen_string_literal: true
 
 class Api::V1::ListsController < Api::BaseController
-  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index, :show]
+  include Authorization
+
+  before_action -> { authorize_if_got_token! :read, :'read:lists' }, only: [:show]
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index]
   before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:index, :show]
 
-  before_action :require_user!
+  before_action :require_user!, except: [:show]
   before_action :set_list, except: [:index, :create]
 
   rescue_from ArgumentError do |e|
@@ -17,6 +20,7 @@ class Api::V1::ListsController < Api::BaseController
   end
 
   def show
+    authorize @list, :show?
     render json: @list, serializer: REST::ListSerializer
   end
 
@@ -26,11 +30,13 @@ class Api::V1::ListsController < Api::BaseController
   end
 
   def update
+    authorize @list, :update?
     @list.update!(list_params)
     render json: @list, serializer: REST::ListSerializer
   end
 
   def destroy
+    authorize @list, :destroy?
     @list.destroy!
     render_empty
   end
@@ -38,10 +44,10 @@ class Api::V1::ListsController < Api::BaseController
   private
 
   def set_list
-    @list = List.where(account: current_account).find(params[:id])
+    @list = List.find(params[:id])
   end
 
   def list_params
-    params.permit(:title, :replies_policy, :exclusive)
+    params.permit(:title, :description, :type, :replies_policy, :exclusive)
   end
 end

app/controllers/api/v1/timelines/list_controller.rb

@@ -1,23 +1,25 @@
 # frozen_string_literal: true
 
 class Api::V1::Timelines::ListController < Api::V1::Timelines::BaseController
-  before_action -> { doorkeeper_authorize! :read, :'read:lists' }
+  include Authorization
-  before_action :require_user!
+
+  before_action -> { authorize_if_got_token! :read, :'read:lists' }
   before_action :set_list
   before_action :set_statuses
 
   PERMITTED_PARAMS = %i(limit).freeze
 
   def show
+    authorize @list, :show?
     render json: @statuses,
            each_serializer: REST::StatusSerializer,
-           relationships: StatusRelationshipsPresenter.new(@statuses, current_user.account_id)
+           relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
   end
 
   private
 
   def set_list
-    @list = List.where(account: current_account).find(params[:id])
+    @list = List.find(params[:id])
   end
 
   def set_statuses

app/controllers/auth/registrations_controller.rb

@@ -7,6 +7,7 @@ class Auth::RegistrationsController < Devise::RegistrationsController
   layout :determine_layout
 
   before_action :set_invite, only: [:new, :create]
+  before_action :set_list, only: [:new, :create]
   before_action :check_enabled_registrations, only: [:new, :create]
   before_action :configure_sign_up_params, only: [:create]
   before_action :set_sessions, only: [:edit, :update]
@@ -110,6 +111,10 @@ class Auth::RegistrationsController < Devise::RegistrationsController
     end
   end
 
+  def set_list
+    @list = List.where(type: :public_list).find_by(id: params[:list_id])
+  end
+
   def determine_layout
     %w(edit update).include?(action_name) ? 'admin' : 'auth'
   end

app/controllers/lists_controller.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class ListsController < ApplicationController
+  include WebAppControllerConcern
+
+  before_action :set_list
+
+  def show; end
+
+  private
+
+  def set_list
+    @list = List.where(type: :public_list).find(params[:id])
+  end
+end

app/javascript/mastodon/actions/alerts.ts

@@ -5,7 +5,7 @@ import { AxiosError } from 'axios';
 import type { AxiosResponse } from 'axios';
 
 interface Alert {
-  title: string | MessageDescriptor;
+  title?: string | MessageDescriptor;
   message: string | MessageDescriptor;
   values?: Record<string, string | number | Date>;
 }

app/javascript/mastodon/api/lists.ts

@@ -30,3 +30,6 @@ export const apiRemoveAccountFromList = (listId: string, accountId: string) =>
   apiRequestDelete(`v1/lists/${listId}/accounts`, {
     account_ids: [accountId],
   });
+
+export const apiFollowList = (listId: string) =>
+  apiRequestPost(`v1/lists/${listId}/follow`);

app/javascript/mastodon/api_types/lists.ts

@@ -1,10 +1,21 @@
 // See app/serializers/rest/list_serializer.rb
 
+import type { ApiAccountJSON } from 'mastodon/api_types/accounts';
+
 export type RepliesPolicyType = 'list' | 'followed' | 'none';
 
+export type ListType = 'private_list' | 'public_list';
+
 export interface ApiListJSON {
   id: string;
+  url?: string;
   title: string;
+  slug?: string;
+  type: ListType;
+  description: string;
+  created_at: string;
+  updated_at: string;
   exclusive: boolean;
   replies_policy: RepliesPolicyType;
+  account?: ApiAccountJSON;
 }

app/javascript/mastodon/components/copy_icon_button.tsx

@@ -1,29 +1,36 @@
-import PropTypes from 'prop-types';
 import { useState, useCallback } from 'react';
 
 import { defineMessages } from 'react-intl';
 
 import classNames from 'classnames';
 
-import { useDispatch } from 'react-redux';
-
 import ContentCopyIcon from '@/material-icons/400-24px/content_copy.svg?react';
 import { showAlert } from 'mastodon/actions/alerts';
 import { IconButton } from 'mastodon/components/icon_button';
+import { useAppDispatch } from 'mastodon/store';
 
 const messages = defineMessages({
-  copied: { id: 'copy_icon_button.copied', defaultMessage: 'Copied to clipboard' },
+  copied: {
+    id: 'copy_icon_button.copied',
+    defaultMessage: 'Copied to clipboard',
+  },
 });
 
-export const CopyIconButton = ({ title, value, className }) => {
+export const CopyIconButton: React.FC<{
+  title: string;
+  value: string;
+  className?: string;
+}> = ({ title, value, className }) => {
   const [copied, setCopied] = useState(false);
-  const dispatch = useDispatch();
+  const dispatch = useAppDispatch();
 
   const handleClick = useCallback(() => {
-    navigator.clipboard.writeText(value);
+    void navigator.clipboard.writeText(value);
     setCopied(true);
     dispatch(showAlert({ message: messages.copied }));
-    setTimeout(() => setCopied(false), 700);
+    setTimeout(() => {
+      setCopied(false);
+    }, 700);
   }, [setCopied, value, dispatch]);
 
   return (
@@ -31,13 +38,8 @@ export const CopyIconButton = ({ title, value, className }) => {
       className={classNames(className, copied ? 'copied' : 'copyable')}
       title={title}
       onClick={handleClick}
+      icon=''
       iconComponent={ContentCopyIcon}
     />
   );
 };
-
-CopyIconButton.propTypes = {
-  title: PropTypes.string,
-  value: PropTypes.string,
-  className: PropTypes.string,
-};

app/javascript/mastodon/features/explore/components/author_link.jsx

@@ -1,25 +0,0 @@
-import PropTypes from 'prop-types';
-
-import { Link } from 'react-router-dom';
-
-import { Avatar } from 'mastodon/components/avatar';
-import { useAppSelector } from 'mastodon/store';
-
-export const AuthorLink = ({ accountId }) => {
-  const account = useAppSelector(state => state.getIn(['accounts', accountId]));
-
-  if (!account) {
-    return null;
-  }
-
-  return (
-    <Link to={`/@${account.get('acct')}`} className='story__details__shared__author-link' data-hover-card-account={accountId}>
-      <Avatar account={account} size={16} />
-      <bdi dangerouslySetInnerHTML={{ __html: account.get('display_name_html') }} />
-    </Link>
-  );
-};
-
-AuthorLink.propTypes = {
-  accountId: PropTypes.string.isRequired,
-};

app/javascript/mastodon/features/explore/components/author_link.tsx

@@ -0,0 +1,25 @@
+import { Link } from 'react-router-dom';
+
+import { Avatar } from 'mastodon/components/avatar';
+import { useAppSelector } from 'mastodon/store';
+
+export const AuthorLink: React.FC<{
+  accountId: string;
+}> = ({ accountId }) => {
+  const account = useAppSelector((state) => state.accounts.get(accountId));
+
+  if (!account) {
+    return null;
+  }
+
+  return (
+    <Link
+      to={`/@${account.acct}`}
+      className='story__details__shared__author-link'
+      data-hover-card-account={accountId}
+    >
+      <Avatar account={account} size={16} />
+      <bdi dangerouslySetInnerHTML={{ __html: account.display_name_html }} />
+    </Link>
+  );
+};

app/javascript/mastodon/features/lists/index.tsx

@@ -8,9 +8,12 @@ import { Link } from 'react-router-dom';
 import AddIcon from '@/material-icons/400-24px/add.svg?react';
 import ListAltIcon from '@/material-icons/400-24px/list_alt.svg?react';
 import MoreHorizIcon from '@/material-icons/400-24px/more_horiz.svg?react';
+import PackageIcon from '@/material-icons/400-24px/package_2.svg?react';
 import SquigglyArrow from '@/svg-icons/squiggly_arrow.svg?react';
 import { fetchLists } from 'mastodon/actions/lists';
 import { openModal } from 'mastodon/actions/modal';
+import type { List } from 'mastodon/models/list';
+import type { MenuItems } from 'mastodon/models/dropdown_menu';
 import { Column } from 'mastodon/components/column';
 import { ColumnHeader } from 'mastodon/components/column_header';
 import { Icon } from 'mastodon/components/icon';
@@ -25,12 +28,12 @@ const messages = defineMessages({
   edit: { id: 'lists.edit', defaultMessage: 'Edit list' },
   delete: { id: 'lists.delete', defaultMessage: 'Delete list' },
   more: { id: 'status.more', defaultMessage: 'More' },
+  copyLink: { id: '', defaultMessage: 'Copy link' },
 });
 
 const ListItem: React.FC<{
-  id: string;
+  list: List;
-  title: string;
+}> = ({ list }) => {
-}> = ({ id, title }) => {
   const dispatch = useAppDispatch();
   const intl = useIntl();
 
@@ -39,25 +42,54 @@ const ListItem: React.FC<{
       openModal({
         modalType: 'CONFIRM_DELETE_LIST',
         modalProps: {
-          listId: id,
+          listId: list.id,
         },
       }),
     );
-  }, [dispatch, id]);
+  }, [dispatch, list]);
 
-  const menu = useMemo(
+  const handleCopyClick = useCallback(() => {
-    () => [
+    void navigator.clipboard.writeText(list.url);
-      { text: intl.formatMessage(messages.edit), to: `/lists/${id}/edit` },
+  }, [list]);
-      { text: intl.formatMessage(messages.delete), action: handleDeleteClick },
+
-    ],
+  const menu = useMemo(() => {
-    [intl, id, handleDeleteClick],
+    const tmp: MenuItems = [
-  );
+      { text: intl.formatMessage(messages.edit), to: `/lists/${list.id}/edit` },
+      {
+        text: intl.formatMessage(messages.delete),
+        action: handleDeleteClick,
+        dangerous: true,
+      },
+    ];
+
+    if (list.type === 'public_list') {
+      tmp.unshift(
+        {
+          text: intl.formatMessage(messages.copyLink),
+          action: handleCopyClick,
+        },
+        null,
+      );
+    }
+
+    return tmp;
+  }, [intl, list, handleDeleteClick]);
 
   return (
     <div className='lists__item'>
-      <Link to={`/lists/${id}`} className='lists__item__title'>
+      <Link
-        <Icon id='list-ul' icon={ListAltIcon} />
+        to={
-        <span>{title}</span>
+          list.type === 'public_list'
+            ? `/starter-pack/${list.id}-${list.slug}`
+            : `/lists/${list.id}`
+        }
+        className='lists__item__title'
+      >
+        <Icon
+          id={list.type === 'public_list' ? 'package' : 'list-ul'}
+          icon={list.type === 'public_list' ? PackageIcon : ListAltIcon}
+        />
+        <span>{list.title}</span>
       </Link>
 
       <DropdownMenuContainer
@@ -129,7 +161,7 @@ const Lists: React.FC<{
         bindToDocument={!multiColumn}
       >
         {lists.map((list) => (
-          <ListItem key={list.id} id={list.id} title={list.title} />
+          <ListItem key={list.id} list={list} />
         ))}
       </ScrollableList>
 

app/javascript/mastodon/features/lists/members.tsx

@@ -158,6 +158,7 @@ const ListMembers: React.FC<{
   const { id } = useParams<{ id: string }>();
   const intl = useIntl();
 
+  const list = useAppSelector((state) => state.lists.get(id));
   const [searching, setSearching] = useState(false);
   const [accountIds, setAccountIds] = useState<string[]>([]);
   const [searchAccountIds, setSearchAccountIds] = useState<string[]>([]);
@@ -285,7 +286,14 @@ const ListMembers: React.FC<{
             {displayedAccountIds.length > 0 && <div className='spacer' />}
 
             <div className='column-footer'>
-              <Link to={`/lists/${id}`} className='button button--block'>
+              <Link
+                to={
+                  list?.type === 'public_list'
+                    ? `/starter-pack/${id}-${list.slug}`
+                    : `/lists/${id}`
+                }
+                className='button button--block'
+              >
                 <FormattedMessage id='lists.done' defaultMessage='Done' />
               </Link>
             </div>

app/javascript/mastodon/features/lists/new.tsx

@@ -79,7 +79,9 @@ const NewList: React.FC<{
     id ? state.lists.get(id) : undefined,
   );
   const [title, setTitle] = useState('');
+  const [description, setDescription] = useState('');
   const [exclusive, setExclusive] = useState(false);
+  const [isPublic, setIsPublic] = useState(false);
   const [repliesPolicy, setRepliesPolicy] = useState<RepliesPolicyType>('list');
   const [submitting, setSubmitting] = useState(false);
 
@@ -104,6 +106,13 @@ const NewList: React.FC<{
     [setTitle],
   );
 
+  const handleDescriptionChange = useCallback(
+    ({ target: { value } }: React.ChangeEvent<HTMLTextAreaElement>) => {
+      setDescription(value);
+    },
+    [setDescription],
+  );
+
   const handleExclusiveChange = useCallback(
     ({ target: { checked } }: React.ChangeEvent<HTMLInputElement>) => {
       setExclusive(checked);
@@ -111,6 +120,13 @@ const NewList: React.FC<{
     [setExclusive],
   );
 
+  const handleIsPublicChange = useCallback(
+    ({ target: { checked } }: React.ChangeEvent<HTMLInputElement>) => {
+      setIsPublic(checked);
+    },
+    [setIsPublic],
+  );
+
   const handleRepliesPolicyChange = useCallback(
     ({ target: { value } }: React.ChangeEvent<HTMLSelectElement>) => {
       setRepliesPolicy(value as RepliesPolicyType);
@@ -126,8 +142,10 @@ const NewList: React.FC<{
         updateList({
           id,
           title,
+          description,
           exclusive,
           replies_policy: repliesPolicy,
+          type: isPublic ? 'public_list' : 'private_list',
         }),
       ).then(() => {
         setSubmitting(false);
@@ -137,8 +155,10 @@ const NewList: React.FC<{
       void dispatch(
         createList({
           title,
+          description,
           exclusive,
           replies_policy: repliesPolicy,
+          type: isPublic ? 'public_list' : 'private_list',
         }),
       ).then((result) => {
         setSubmitting(false);
@@ -151,7 +171,17 @@ const NewList: React.FC<{
         return '';
       });
     }
-  }, [history, dispatch, setSubmitting, id, title, exclusive, repliesPolicy]);
+  }, [
+    history,
+    dispatch,
+    setSubmitting,
+    id,
+    title,
+    description,
+    exclusive,
+    isPublic,
+    repliesPolicy,
+  ]);
 
   return (
     <Column
@@ -193,6 +223,28 @@ const NewList: React.FC<{
             </div>
           </div>
 
+          <div className='fields-group'>
+            <div className='input with_label'>
+              <div className='label_input'>
+                <label htmlFor='list_title'>
+                  <FormattedMessage
+                    id='lists.list_description'
+                    defaultMessage='Description'
+                  />
+                </label>
+
+                <div className='label_input__wrapper'>
+                  <textarea
+                    id='list_description'
+                    value={description}
+                    onChange={handleDescriptionChange}
+                    maxLength={120}
+                  />
+                </div>
+              </div>
+            </div>
+          </div>
+
           <div className='fields-group'>
             <div className='input with_label'>
               <div className='label_input'>
@@ -239,6 +291,32 @@ const NewList: React.FC<{
             </div>
           )}
 
+          <div className='fields-group'>
+            {/* eslint-disable-next-line jsx-a11y/label-has-associated-control */}
+            <label className='app-form__toggle'>
+              <div className='app-form__toggle__label'>
+                <strong>
+                  <FormattedMessage
+                    id='lists.make_public'
+                    defaultMessage='Make public'
+                  />
+                </strong>
+                <span className='hint'>
+                  <FormattedMessage
+                    id='lists.make_public_hint'
+                    defaultMessage='When you make a list public, anyone with a link can see it.'
+                  />
+                </span>
+              </div>
+
+              <div className='app-form__toggle__toggle'>
+                <div>
+                  <Toggle checked={isPublic} onChange={handleIsPublicChange} />
+                </div>
+              </div>
+            </label>
+          </div>
+
           <div className='fields-group'>
             {/* eslint-disable-next-line jsx-a11y/label-has-associated-control */}
             <label className='app-form__toggle'>

app/javascript/mastodon/features/public_list/components/hero.tsx

@@ -0,0 +1,120 @@
+import { useCallback } from 'react';
+
+import { FormattedMessage } from 'react-intl';
+
+import { Link } from 'react-router-dom';
+
+import { openModal } from 'mastodon/actions/modal';
+import { apiFollowList } from 'mastodon/api/lists';
+import { Button } from 'mastodon/components/button';
+import { RelativeTimestamp } from 'mastodon/components/relative_timestamp';
+import { AuthorLink } from 'mastodon/features/explore/components/author_link';
+import { useIdentity } from 'mastodon/identity_context';
+import { registrationsOpen, sso_redirect, me } from 'mastodon/initial_state';
+import type { List } from 'mastodon/models/list';
+import { useAppSelector, useAppDispatch } from 'mastodon/store';
+
+export const Hero: React.FC<{
+  list: List;
+}> = ({ list }) => {
+  const { signedIn } = useIdentity();
+  const dispatch = useAppDispatch();
+  const signupUrl = useAppSelector(
+    (state) =>
+      state.server.getIn(['server', 'registrations', 'url'], null) ??
+      '/auth/sign_up',
+  ) as string;
+
+  const handleClosedRegistrationsClick = useCallback(() => {
+    dispatch(openModal({ modalType: 'CLOSED_REGISTRATIONS', modalProps: {} }));
+  }, [dispatch]);
+
+  const handleFollowAll = useCallback(() => {
+    apiFollowList(list.id)
+      .then(() => {
+        // TODO
+        return '';
+      })
+      .catch(() => {
+        // TODO
+      });
+  }, [list]);
+
+  let signUpButton;
+
+  if (sso_redirect) {
+    signUpButton = (
+      <a href={sso_redirect} data-method='post' className='button'>
+        <FormattedMessage id='' defaultMessage='Create account' />
+      </a>
+    );
+  } else if (registrationsOpen) {
+    signUpButton = (
+      <a href={`${signupUrl}?list_id=${list.id}`} className='button'>
+        <FormattedMessage id='' defaultMessage='Create account' />
+      </a>
+    );
+  } else {
+    signUpButton = (
+      <Button onClick={handleClosedRegistrationsClick}>
+        <FormattedMessage id='' defaultMessage='Create account' />
+      </Button>
+    );
+  }
+
+  return (
+    <div className='lists__hero'>
+      <div className='lists__hero__title'>
+        <h1>{list.title}</h1>
+        <p>
+          {list.description.length > 0 ? (
+            list.description
+          ) : (
+            <FormattedMessage id='' defaultMessage='No description given.' />
+          )}
+        </p>
+      </div>
+
+      <div className='lists__hero__meta'>
+        <FormattedMessage
+          id=''
+          defaultMessage='Public list by {name}'
+          values={{
+            name: list.account_id && <AuthorLink accountId={list.account_id} />,
+          }}
+        >
+          {(chunks) => (
+            // eslint-disable-next-line react/jsx-no-useless-fragment
+            <>{chunks}</>
+          )}
+        </FormattedMessage>
+
+        <span aria-hidden>{' · '}</span>
+
+        <FormattedMessage
+          id=''
+          defaultMessage='Created {timeAgo}'
+          values={{
+            timeAgo: (
+              <RelativeTimestamp timestamp={list.created_at} short={false} />
+            ),
+          }}
+        />
+      </div>
+
+      <div className='lists__hero__actions'>
+        {!signedIn && signUpButton}
+        {me !== list.account_id && (
+          <Button onClick={handleFollowAll} secondary={!signedIn}>
+            <FormattedMessage id='' defaultMessage='Follow all' />
+          </Button>
+        )}
+        {me === list.account_id && (
+          <Link className='button' to={`/lists/${list.id}/edit`}>
+            <FormattedMessage id='' defaultMessage='Edit list' />
+          </Link>
+        )}
+      </div>
+    </div>
+  );
+};

app/javascript/mastodon/features/public_list/index.tsx

@@ -0,0 +1,136 @@
+import { useEffect, useCallback } from 'react';
+
+import { FormattedMessage, useIntl, defineMessages } from 'react-intl';
+
+import { Helmet } from 'react-helmet';
+import { NavLink, useParams, Route, Switch } from 'react-router-dom';
+
+import PackageIcon from '@/material-icons/400-24px/package_2.svg?react';
+import ShareIcon from '@/material-icons/400-24px/share.svg?react';
+import { fetchList } from 'mastodon/actions/lists';
+import Column from 'mastodon/components/column';
+import { ColumnHeader } from 'mastodon/components/column_header';
+import { CopyIconButton } from 'mastodon/components/copy_icon_button';
+import { Icon } from 'mastodon/components/icon';
+import { LoadingIndicator } from 'mastodon/components/loading_indicator';
+import BundleColumnError from 'mastodon/features/ui/components/bundle_column_error';
+import type { List } from 'mastodon/models/list';
+import { useAppDispatch, useAppSelector } from 'mastodon/store';
+
+import { Hero } from './components/hero';
+import { Members } from './members';
+import { Statuses } from './statuses';
+
+interface PublicListParams {
+  id: string;
+  slug?: string;
+}
+
+const messages = defineMessages({
+  copyLink: { id: '', defaultMessage: 'Copy link' },
+  shareLink: { id: '', defaultMessage: 'Share link' },
+});
+
+const CopyLinkButton: React.FC<{
+  list: List;
+}> = ({ list }) => {
+  const intl = useIntl();
+
+  const handleClick = useCallback(() => {
+    void navigator.share({
+      url: list.url,
+    });
+  }, [list]);
+
+  if ('share' in navigator) {
+    return (
+      <button
+        className='column-header__button'
+        onClick={handleClick}
+        title={intl.formatMessage(messages.shareLink)}
+        aria-label={intl.formatMessage(messages.shareLink)}
+      >
+        <Icon id='' icon={ShareIcon} />
+      </button>
+    );
+  }
+
+  return (
+    <CopyIconButton
+      className='column-header__button'
+      title={intl.formatMessage(messages.copyLink)}
+      value={list.url}
+    />
+  );
+};
+
+const PublicList: React.FC<{
+  multiColumn: boolean;
+}> = ({ multiColumn }) => {
+  const { id } = useParams<PublicListParams>();
+  const dispatch = useAppDispatch();
+  const list = useAppSelector((state) => state.lists.get(id));
+  const accountId = list?.account_id;
+  const slug = list?.slug ? `${list.id}-${list.slug}` : list?.id;
+
+  useEffect(() => {
+    dispatch(fetchList(id));
+  }, [dispatch, id]);
+
+  if (typeof list === 'undefined') {
+    return (
+      <Column>
+        <LoadingIndicator />
+      </Column>
+    );
+  } else if (list === null || !accountId) {
+    return <BundleColumnError multiColumn={multiColumn} errorType='routing' />;
+  }
+
+  return (
+    <Column>
+      <ColumnHeader
+        icon='package'
+        iconComponent={PackageIcon}
+        title={list.title}
+        multiColumn={multiColumn}
+        extraButton={<CopyLinkButton list={list} />}
+      />
+
+      <Hero list={list} />
+
+      <div className='account__section-headline'>
+        <NavLink exact to={`/starter-pack/${slug}`}>
+          <FormattedMessage tagName='div' id='' defaultMessage='Members' />
+        </NavLink>
+
+        <NavLink exact to={`/starter-pack/${slug}/posts`}>
+          <FormattedMessage tagName='div' id='' defaultMessage='Posts' />
+        </NavLink>
+      </div>
+
+      <Switch>
+        <Route
+          path={['/starter-pack/:id(\\d+)', '/starter-pack/:id(\\d+)-:slug']}
+          exact
+          component={Members}
+        />
+        <Route
+          path={[
+            '/starter-pack/:id(\\d+)/posts',
+            '/starter-pack/:id(\\d+)-:slug/posts',
+          ]}
+          component={Statuses}
+        />
+      </Switch>
+
+      <Helmet>
+        <title>{list.title}</title>
+        <meta name='robots' content='all' />
+      </Helmet>
+    </Column>
+  );
+};
+
+// eslint-disable-next-line import/no-default-export
+export default PublicList;

app/javascript/mastodon/features/public_list/members.tsx

@@ -0,0 +1,48 @@
+import { useState, useEffect } from 'react';
+
+import { useParams } from 'react-router-dom';
+
+import { importFetchedAccounts } from 'mastodon/actions/importer';
+import { apiGetAccounts } from 'mastodon/api/lists';
+import { Account } from 'mastodon/components/account';
+import ScrollableList from 'mastodon/components/scrollable_list';
+import { useAppDispatch } from 'mastodon/store';
+
+export const Members: React.FC<{
+  multiColumn?: boolean;
+}> = ({ multiColumn }) => {
+  const { id }: { id: string } = useParams();
+  const [accountIds, setAccountIds] = useState<string[]>([]);
+  const [loading, setLoading] = useState(true);
+  const dispatch = useAppDispatch();
+
+  useEffect(() => {
+    setLoading(true);
+
+    apiGetAccounts(id)
+      .then((data) => {
+        dispatch(importFetchedAccounts(data));
+        setAccountIds(data.map((a) => a.id));
+        setLoading(false);
+        return '';
+      })
+      .catch(() => {
+        setLoading(false);
+      });
+  }, [dispatch, id]);
+
+  return (
+    <ScrollableList
+      scrollKey={`public_list/${id}/members`}
+      trackScroll={!multiColumn}
+      bindToDocument={!multiColumn}
+      isLoading={loading}
+      showLoading={loading && accountIds.length === 0}
+      hasMore={false}
+    >
+      {accountIds.map((accountId) => (
+        <Account key={accountId} id={accountId} withBio={false} />
+      ))}
+    </ScrollableList>
+  );
+};

app/javascript/mastodon/features/public_list/statuses.tsx

@@ -0,0 +1,35 @@
+import { useCallback, useEffect } from 'react';
+
+import { useParams } from 'react-router-dom';
+
+import { expandListTimeline } from 'mastodon/actions/timelines';
+import StatusList from 'mastodon/features/ui/containers/status_list_container';
+import { useAppDispatch } from 'mastodon/store';
+
+export const Statuses: React.FC<{
+  multiColumn?: boolean;
+}> = ({ multiColumn }) => {
+  const { id }: { id: string } = useParams();
+  const dispatch = useAppDispatch();
+
+  const handleLoadMore = useCallback(
+    (maxId: string) => {
+      void dispatch(expandListTimeline(id, { maxId }));
+    },
+    [dispatch, id],
+  );
+
+  useEffect(() => {
+    void dispatch(expandListTimeline(id));
+  }, [dispatch, id]);
+
+  return (
+    <StatusList
+      scrollKey={`public_list/${id}/statuses`}
+      trackScroll={!multiColumn}
+      bindToDocument={!multiColumn}
+      timelineId={`list:${id}`}
+      onLoadMore={handleLoadMore}
+    />
+  );
+};

app/javascript/mastodon/features/ui/index.jsx

@@ -61,6 +61,7 @@ import {
   Lists,
   ListEdit,
   ListMembers,
+  PublicList,
   Blocks,
   DomainBlocks,
   Mutes,
@@ -212,6 +213,7 @@ class SwitchingColumnsArea extends PureComponent {
             <WrappedRoute path='/lists/:id/edit' component={ListEdit} content={children} />
             <WrappedRoute path='/lists/:id/members' component={ListMembers} content={children} />
             <WrappedRoute path='/lists/:id' component={ListTimeline} content={children} />
+            <WrappedRoute path={['/starter-pack/:id(\\d+)', '/starter-pack/:id(\\d+)-:slug']} component={PublicList} content={children} />
             <WrappedRoute path='/notifications' component={Notifications} content={children} exact />
             <WrappedRoute path='/notifications/requests' component={NotificationRequests} content={children} exact />
             <WrappedRoute path='/notifications/requests/:id' component={NotificationRequest} content={children} exact />

app/javascript/mastodon/features/ui/util/async-components.js

@@ -38,6 +38,10 @@ export function ListTimeline () {
   return import(/* webpackChunkName: "features/list_timeline" */'../../list_timeline');
 }
 
+export function PublicList () {
+  return import(/* webpackChunkName: "features/public_list" */'../../public_list');
+}
+
 export function Lists () {
   return import(/* webpackChunkName: "features/lists" */'../../lists');
 }

app/javascript/mastodon/models/dropdown_menu.ts

@@ -0,0 +1,8 @@
+interface MenuItem {
+  text: string;
+  action?: () => void;
+  to?: string;
+  dangerous?: boolean;
+}
+
+export type MenuItems = (MenuItem | null)[];

app/javascript/mastodon/models/list.ts

@@ -3,16 +3,31 @@ import { Record } from 'immutable';
 
 import type { ApiListJSON } from 'mastodon/api_types/lists';
 
-type ListShape = Required<ApiListJSON>; // no changes from server shape
+interface ListShape extends Required<Omit<ApiListJSON, 'account'>> {
+  account_id?: string;
+}
+
 export type List = RecordOf<ListShape>;
 
 const ListFactory = Record<ListShape>({
   id: '',
+  url: '',
   title: '',
+  slug: '',
+  description: '',
+  type: 'private_list',
   exclusive: false,
   replies_policy: 'list',
+  account_id: undefined,
+  created_at: '',
+  updated_at: '',
 });
 
-export function createList(attributes: Partial<ListShape>) {
+export const createList = (serverJSON: ApiListJSON): List => {
-  return ListFactory(attributes);
+  const { account, ...listJSON } = serverJSON;
-}
+
+  return ListFactory({
+    ...listJSON,
+    account_id: account?.id,
+  });
+};

app/javascript/material-icons/400-24px/package_2-fill.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M440-91v-366L120-642v321q0 22 10.5 40t29.5 29L440-91Zm80 0 280-161q19-11 29.5-29t10.5-40v-321L520-457v366Zm159-550 118-69-277-159q-19-11-40-11t-40 11l-79 45 318 183ZM480-526l119-68-317-184-120 69 318 183Z"/></svg>

app/javascript/material-icons/400-24px/package_2.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24"><path d="M440-183v-274L200-596v274l240 139Zm80 0 240-139v-274L520-457v274Zm-80 92L160-252q-19-11-29.5-29T120-321v-318q0-22 10.5-40t29.5-29l280-161q19-11 40-11t40 11l280 161q19 11 29.5 29t10.5 40v318q0 22-10.5 40T800-252L520-91q-19 11-40 11t-40-11Zm200-528 77-44-237-137-78 45 238 136Zm-160 93 78-45-237-137-78 45 237 137Z"/></svg>

app/javascript/styles/mastodon/components.scss

@@ -4272,7 +4272,6 @@ a.status-card {
 }
 
 .column-header__buttons {
-  height: 48px;
   display: flex;
 }
 
@@ -4323,6 +4322,16 @@ a.status-card {
     color: $dark-text-color;
     cursor: default;
   }
+
+  &.icon-button {
+    background: transparent;
+  }
+
+  &.copied {
+    color: $valid-value-color;
+    transition: none;
+    background-color: rgba($valid-value-color, 0.15);
+  }
 }
 
 .no-reduce-motion .column-header__button .icon-sliders {
@@ -10765,6 +10774,50 @@ noscript {
   }
 }
 
+.lists__hero {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 32px 24px;
+  border: 1px solid var(--background-border-color);
+  border-top: 0;
+  gap: 24px;
+  font-size: 14px;
+  line-height: 20px;
+
+  &__title {
+    text-align: center;
+    text-wrap: balance;
+    color: $secondary-text-color;
+
+    h1 {
+      font-size: 22px;
+      line-height: 28px;
+      font-weight: 600;
+      margin-bottom: 8px;
+    }
+
+    p {
+      font-weight: 400;
+    }
+  }
+
+  &__meta {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    gap: 8px;
+    color: $darker-text-color;
+  }
+
+  &__actions {
+    display: flex;
+    align-items: center;
+    gap: 4px;
+  }
+}
+
 .lists__item {
   display: flex;
   align-items: center;

app/lib/feed_manager.rb

@@ -149,7 +149,7 @@ class FeedManager
 
     timeline_key = key(:list, list.id)
     aggregate    = list.account.user&.aggregates_reblogs?
-    query        = from_account.statuses.list_eligible_visibility.includes(:preloadable_poll, :media_attachments, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
+    query        = from_account.statuses.list_eligible_visibility(list).includes(:preloadable_poll, :media_attachments, reblog: :account).limit(FeedManager::MAX_ITEMS / 4)
 
     if redis.zcard(timeline_key) >= FeedManager::MAX_ITEMS / 4
       oldest_home_score = redis.zrange(timeline_key, 0, 0, with_scores: true).first.last.to_i
@@ -440,6 +440,8 @@ class FeedManager
   # @param [List] list
   # @return [Boolean]
   def filter_from_list?(status, list)
+    return true if list.public_list? && !status.distributable?
+
     if status.reply? && status.in_reply_to_account_id != status.account_id                                                       # Status is a reply to account other than status account
       should_filter = status.in_reply_to_account_id != list.account_id                                                           # Status replies to account id other than list account
       should_filter &&= !list.show_followed?                                                                                     # List show_followed? is false

app/models/list.rb

@@ -5,32 +5,46 @@
 # Table name: lists
 #
 #  id             :bigint(8)        not null, primary key
-#  account_id     :bigint(8)        not null
+#  description    :text             default(""), not null
+#  exclusive      :boolean          default(FALSE), not null
+#  replies_policy :integer          default("list"), not null
 #  title          :string           default(""), not null
+#  type           :integer          default("private_list"), not null
 #  created_at     :datetime         not null
 #  updated_at     :datetime         not null
-#  replies_policy :integer          default("list"), not null
+#  account_id     :bigint(8)        not null
-#  exclusive      :boolean          default(FALSE), not null
 #
 
 class List < ApplicationRecord
+  self.inheritance_column = nil
+
   include Paginable
 
   PER_ACCOUNT_LIMIT = 50
 
   enum :replies_policy, { list: 0, followed: 1, none: 2 }, prefix: :show
+  enum :type, { private_list: 0, public_list: 1 }
 
   belongs_to :account
 
   has_many :list_accounts, inverse_of: :list, dependent: :destroy
   has_many :accounts, through: :list_accounts
 
-  validates :title, presence: true
+  validates :title, presence: true, length: { maximum: 30 }
+  validates :description, length: { maximum: 160 }
 
   validate :validate_account_lists_limit, on: :create
 
   before_destroy :clean_feed_manager
 
+  def slug
+    title.parameterize
+  end
+
+  def to_url_param
+    { id:, slug: }
+  end
+
   private
 
   def validate_account_lists_limit

app/models/status.rb

@@ -126,7 +126,7 @@ class Status < ApplicationRecord
     where('NOT EXISTS (SELECT * FROM statuses_tags forbidden WHERE forbidden.status_id = statuses.id AND forbidden.tag_id IN (?))', tag_ids)
   }
   scope :distributable_visibility, -> { where(visibility: %i(public unlisted)) }
-  scope :list_eligible_visibility, -> { where(visibility: %i(public unlisted private)) }
+  scope :list_eligible_visibility, ->(list = nil) { where(visibility: list&.public_list? ? %i(public unlisted) : %i(public unlisted private)) }
   scope :not_direct_visibility, -> { where.not(visibility: :direct) }
 
   after_create_commit :trigger_create_webhooks

app/policies/list_policy.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class ListPolicy < ApplicationPolicy
+  def show?
+    record.public_list? || owned?
+  end
+
+  def update?
+    owned?
+  end
+
+  def destroy?
+    owned?
+  end
+
+  private
+
+  def owned?
+    user_signed_in? && record.account_id == current_account.id
+  end
+end

app/serializers/rest/list_serializer.rb

@@ -1,9 +1,20 @@
 # frozen_string_literal: true
 
 class REST::ListSerializer < ActiveModel::Serializer
-  attributes :id, :title, :replies_policy, :exclusive
+  include RoutingHelper
+
+  attributes :id, :title, :description, :type, :replies_policy,
+             :exclusive, :created_at, :updated_at
+
+  attribute :slug, if: -> { object.public_list? }
+  attribute :url, if: -> { object.public_list? }
+  has_one :account, serializer: REST::AccountSerializer, if: -> { object.public_list? }
 
   def id
     object.id.to_s
   end
+
+  def url
+    public_list_url(object.to_url_param)
+  end
 end

app/views/auth/registrations/rules.html.haml

@@ -24,7 +24,7 @@
           .rules-list__hint= rule.hint
 
   .stacked-actions
-    - accept_path = @invite_code.present? ? public_invite_url(invite_code: @invite_code, accept: @accept_token) : new_user_registration_path(accept: @accept_token)
+    - accept_path = @invite_code.present? ? public_invite_url(invite_code: @invite_code, accept: @accept_token) : new_user_registration_path(accept: @accept_token, list_id: @list&.id)
     = link_to t('auth.rules.accept'), accept_path, class: 'button'
     = link_to t('auth.rules.back'), root_path, class: 'button button-tertiary'
 

app/views/lists/_og.html.haml

@@ -0,0 +1,7 @@
+%meta{ name: 'description', content: list.description }/
+
+= opengraph 'og:url', public_list_url(list.to_url_param)
+= opengraph 'og:site_name', site_title
+= opengraph 'og:title', yield(:page_title).strip
+= opengraph 'og:description', list.description
+= opengraph 'twitter:card', 'summary'

app/views/lists/show.html.haml

@@ -0,0 +1,6 @@
+- content_for :page_title, @list.title
+
+- content_for :header_tags do
+  = render 'og', list: @list
+
+= render partial: 'shared/web_app'

app/workers/follow_from_public_list_worker.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class FollowFromPublicListWorker
+  include Sidekiq::Worker
+
+  def perform(into_account_id, list_id)
+    list = List.where(type: :public_list).find(list_id)
+    into_account = Account.find(into_account_id)
+
+    list.accounts.find_each do |target_account|
+      FollowService.new.call(into_account, target_account)
+    rescue
+      # Skip past disallowed follows
+    end
+  rescue ActiveRecord::RecordNotFound
+    true
+  end
+end

config/routes.rb

@@ -186,6 +186,11 @@ Rails.application.routes.draw do
   get '/media_proxy/:id/(*any)', to: 'media_proxy#show', as: :media_proxy, format: false
   get '/backups/:id/download', to: 'backups#download', as: :download_backup, format: false
 
+  constraints(id: /[\d]+/) do
+    get '/starter-pack/:id(-:slug)', to: 'lists#show', as: :public_list
+    get '/starter-pack/:id(-:slug)/posts', to: 'lists#show', format: false
+  end
+
   resource :authorize_interaction, only: [:show]
   resource :share, only: [:show]
 

config/routes/api.rb

@@ -217,6 +217,7 @@ namespace :api, format: false do
 
     resources :lists, only: [:index, :create, :show, :update, :destroy] do
       resource :accounts, only: [:show, :create, :destroy], module: :lists
+      resource :follow, only: [:create], module: :lists
     end
 
     namespace :featured_tags do

db/migrate/20241126222644_add_type_to_lists.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddTypeToLists < ActiveRecord::Migration[7.2]
+  def change
+    add_column :lists, :type, :integer, default: 0, null: false
+    add_column :lists, :description, :text, default: '', null: false
+  end
+end

db/schema.rb

@@ -191,8 +191,8 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
     t.boolean "hide_collections"
     t.integer "avatar_storage_schema_version"
     t.integer "header_storage_schema_version"
-    t.datetime "sensitized_at", precision: nil
     t.integer "suspension_origin"
+    t.datetime "sensitized_at", precision: nil
     t.boolean "trendable"
     t.datetime "reviewed_at", precision: nil
     t.datetime "requested_review_at", precision: nil
@@ -556,12 +556,12 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
   end
 
   create_table "ip_blocks", force: :cascade do |t|
-    t.inet "ip", default: "0.0.0.0", null: false
-    t.integer "severity", default: 0, null: false
-    t.datetime "expires_at", precision: nil
-    t.text "comment", default: "", null: false
     t.datetime "created_at", precision: nil, null: false
     t.datetime "updated_at", precision: nil, null: false
+    t.datetime "expires_at", precision: nil
+    t.inet "ip", default: "0.0.0.0", null: false
+    t.integer "severity", default: 0, null: false
+    t.text "comment", default: "", null: false
     t.index ["ip"], name: "index_ip_blocks_on_ip", unique: true
   end
 
@@ -583,6 +583,8 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
     t.datetime "updated_at", precision: nil, null: false
     t.integer "replies_policy", default: 0, null: false
     t.boolean "exclusive", default: false, null: false
+    t.integer "type", default: 0, null: false
+    t.text "description", default: "", null: false
     t.index ["account_id"], name: "index_lists_on_account_id"
   end
 
@@ -1103,6 +1105,15 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
     t.index "lower((name)::text) text_pattern_ops", name: "index_tags_on_name_lower_btree", unique: true
   end
 
+  create_table "terms_of_services", force: :cascade do |t|
+    t.text "text", default: "", null: false
+    t.text "changelog", default: "", null: false
+    t.datetime "published_at"
+    t.datetime "notification_sent_at"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "tombstones", force: :cascade do |t|
     t.bigint "account_id"
     t.string "uri", null: false
@@ -1388,9 +1399,9 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
   add_index "instances", ["domain"], name: "index_instances_on_domain", unique: true
 
   create_view "user_ips", sql_definition: <<-SQL
-      SELECT user_id,
+      SELECT t0.user_id,
-      ip,
+      t0.ip,
-      max(used_at) AS used_at
+      max(t0.used_at) AS used_at
      FROM ( SELECT users.id AS user_id,
               users.sign_up_ip AS ip,
               users.created_at AS used_at
@@ -1407,7 +1418,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
               login_activities.created_at
              FROM login_activities
             WHERE (login_activities.success = true)) t0
-    GROUP BY user_id, ip;
+    GROUP BY t0.user_id, t0.ip;
   SQL
   create_view "account_summaries", materialized: true, sql_definition: <<-SQL
       SELECT accounts.id AS account_id,
@@ -1428,9 +1439,9 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
   add_index "account_summaries", ["account_id"], name: "index_account_summaries_on_account_id", unique: true
 
   create_view "global_follow_recommendations", materialized: true, sql_definition: <<-SQL
-      SELECT account_id,
+      SELECT t0.account_id,
-      sum(rank) AS rank,
+      sum(t0.rank) AS rank,
-      array_agg(reason) AS reason
+      array_agg(t0.reason) AS reason
      FROM ( SELECT account_summaries.account_id,
               ((count(follows.id))::numeric / (1.0 + (count(follows.id))::numeric)) AS rank,
               'most_followed'::text AS reason
@@ -1454,8 +1465,8 @@ ActiveRecord::Schema[7.2].define(version: 2024_12_05_163118) do
                     WHERE (follow_recommendation_suppressions.account_id = statuses.account_id)))))
             GROUP BY account_summaries.account_id
            HAVING (sum((status_stats.reblogs_count + status_stats.favourites_count)) >= (5)::numeric)) t0
-    GROUP BY account_id
+    GROUP BY t0.account_id
-    ORDER BY (sum(rank)) DESC;
+    ORDER BY (sum(t0.rank)) DESC;
   SQL
   add_index "global_follow_recommendations", ["account_id"], name: "index_global_follow_recommendations_on_account_id", unique: true