lemmy/ui/src/components/sidebar.tsx

import { Component, linkEvent } from 'inferno';
import { Link } from 'inferno-router';
import { Community, CommunityUser, FollowCommunityForm, CommunityForm as CommunityFormI, UserView } from '../interfaces';
import { WebSocketService, UserService } from '../services';
import { mdToHtml, getUnixTime } from '../utils';
import { CommunityForm } from './community-form';
import { i18n } from '../i18next';
import { T } from 'inferno-i18next';

interface SidebarProps {
  community: Community;
  moderators: Array<CommunityUser>;
  admins: Array<UserView>;
}

interface SidebarState {
  showEdit: boolean;
  showRemoveDialog: boolean;
  removeReason: string;
  removeExpires: string;
}

export class Sidebar extends Component<SidebarProps, SidebarState> {

  private emptyState: SidebarState = {
    showEdit: false,
    showRemoveDialog: false,
    removeReason: null,
    removeExpires: null
  }

  constructor(props: any, context: any) {
    super(props, context);
    this.state = this.emptyState;
    this.handleEditCommunity = this.handleEditCommunity.bind(this);
    this.handleEditCancel = this.handleEditCancel.bind(this);
  }

  render() {
    return (
      <div>
        {!this.state.showEdit 
          ? this.sidebar()
          : <CommunityForm 
          community={this.props.community} 
          onEdit={this.handleEditCommunity} 
          onCancel={this.handleEditCancel} />
        }
      </div>
    )
  }

  sidebar() {
    let community = this.props.community;
    return (
      <div>
        <div class="card border-secondary mb-3">
          <div class="card-body">
            <h5 className="mb-0">
              <span>{community.title}</span>
              {community.removed &&
                <small className="ml-2 text-muted font-italic"><T i18nKey="removed">#</T></small>
              }
              {community.deleted &&
                <small className="ml-2 text-muted font-italic"><T i18nKey="deleted">#</T></small>
              }
            </h5>
            <Link className="text-muted" to={`/c/${community.name}`}>/c/{community.name}</Link>
            <ul class="list-inline mb-1 text-muted small font-weight-bold"> 
              {this.canMod && 
                <>
                  <li className="list-inline-item">
                    <span class="pointer" onClick={linkEvent(this, this.handleEditClick)}><T i18nKey="edit">#</T></span>
                  </li>
                  {this.amCreator && 
                    <li className="list-inline-item">
                      <span class="pointer" onClick={linkEvent(this, this.handleDeleteClick)}>
                        {!community.deleted ? i18n.t('delete') : i18n.t('restore')}
                      </span>
                    </li>
                  }
                </>
              }
              {this.canAdmin &&
                <li className="list-inline-item">
                  {!this.props.community.removed ? 
                  <span class="pointer" onClick={linkEvent(this, this.handleModRemoveShow)}><T i18nKey="remove">#</T></span> :
                  <span class="pointer" onClick={linkEvent(this, this.handleModRemoveSubmit)}><T i18nKey="restore">#</T></span>
                  }
                </li>

              }
            </ul>
            {this.state.showRemoveDialog && 
              <form onSubmit={linkEvent(this, this.handleModRemoveSubmit)}>
                <div class="form-group row">
                  <label class="col-form-label"><T i18nKey="reason">#</T></label>
                  <input type="text" class="form-control mr-2" placeholder={i18n.t('optional')} value={this.state.removeReason} onInput={linkEvent(this, this.handleModRemoveReasonChange)} />
                </div>
                {/* TODO hold off on expires for now */}
                {/* <div class="form-group row"> */}
                  {/*   <label class="col-form-label">Expires</label> */}
                  {/*   <input type="date" class="form-control mr-2" placeholder={i18n.t('expires')} value={this.state.removeExpires} onInput={linkEvent(this, this.handleModRemoveExpiresChange)} /> */}
                  {/* </div> */}
                  <div class="form-group row">
                    <button type="submit" class="btn btn-secondary"><T i18nKey="remove_community">#</T></button>
                  </div>
                </form>
            }
            <ul class="my-1 list-inline">
              <li className="list-inline-item"><Link className="badge badge-secondary" to="/communities">{community.category_name}</Link></li>
              <li className="list-inline-item badge badge-secondary"><T i18nKey="number_of_subscribers" interpolation={{count: community.number_of_subscribers}}>#</T></li>
              <li className="list-inline-item badge badge-secondary"><T i18nKey="number_of_posts" interpolation={{count: community.number_of_posts}}>#</T></li>
              <li className="list-inline-item badge badge-secondary"><T i18nKey="number_of_comments" interpolation={{count: community.number_of_comments}}>#</T></li>
              <li className="list-inline-item"><Link className="badge badge-secondary" to={`/modlog/community/${this.props.community.id}`}><T i18nKey="modlog">#</T></Link></li>
            </ul>
            <ul class="list-inline small"> 
              <li class="list-inline-item">{i18n.t('mods')}: </li>
              {this.props.moderators.map(mod =>
                <li class="list-inline-item"><Link class="text-info" to={`/u/${mod.user_name}`}>{mod.user_name}</Link></li>
              )}
            </ul>
            <Link class={`btn btn-sm btn-secondary btn-block mb-3 ${(community.deleted || community.removed) && 'no-click'}`}
            to={`/create_post?community=${community.name}`}><T i18nKey="create_a_post">#</T></Link>
          <div>
            {community.subscribed 
              ? <button class="btn btn-sm btn-secondary btn-block" onClick={linkEvent(community.id, this.handleUnsubscribe)}><T i18nKey="unsubscribe">#</T></button>
              : <button class="btn btn-sm btn-secondary btn-block" onClick={linkEvent(community.id, this.handleSubscribe)}><T i18nKey="subscribe">#</T></button>
            }
          </div>
        </div>
        </div>
        {community.description && 
          <div class="card border-secondary">
            <div class="card-body">
              <div className="md-div" dangerouslySetInnerHTML={mdToHtml(community.description)} />
            </div>
          </div>
        }
        </div>
    );
  }

  handleEditClick(i: Sidebar) {
    i.state.showEdit = true;
    i.setState(i.state);
  }

  handleEditCommunity() {
    this.state.showEdit = false;
    this.setState(this.state);
  }

  handleEditCancel() {
    this.state.showEdit = false;
    this.setState(this.state);
  }

  handleDeleteClick(i: Sidebar) {
    event.preventDefault();
    let deleteForm: CommunityFormI = {
      name: i.props.community.name,
      title: i.props.community.title,
      category_id: i.props.community.category_id,
      edit_id: i.props.community.id,
      deleted: !i.props.community.deleted,
      auth: null,
    };
    WebSocketService.Instance.editCommunity(deleteForm);
  }

  handleUnsubscribe(communityId: number) {
    let form: FollowCommunityForm = {
      community_id: communityId,
      follow: false
    };
    WebSocketService.Instance.followCommunity(form);
  }

  handleSubscribe(communityId: number) {
    let form: FollowCommunityForm = {
      community_id: communityId,
      follow: true
    };
    WebSocketService.Instance.followCommunity(form);
  }

  private get amCreator(): boolean {
    return this.props.community.creator_id == UserService.Instance.user.id;
  }

  get canMod(): boolean {
    return UserService.Instance.user && this.props.moderators.map(m => m.user_id).includes(UserService.Instance.user.id);
  }

  get canAdmin(): boolean {
    return UserService.Instance.user && this.props.admins.map(a => a.id).includes(UserService.Instance.user.id);
  }

  handleModRemoveShow(i: Sidebar) {
    i.state.showRemoveDialog = true;
    i.setState(i.state);
  }

  handleModRemoveReasonChange(i: Sidebar, event: any) {
    i.state.removeReason = event.target.value;
    i.setState(i.state);
  }

  handleModRemoveExpiresChange(i: Sidebar, event: any) {
    console.log(event.target.value);
    i.state.removeExpires = event.target.value;
    i.setState(i.state);
  }

  handleModRemoveSubmit(i: Sidebar) {
    event.preventDefault();
    let deleteForm: CommunityFormI = {
      name: i.props.community.name,
      title: i.props.community.title,
      category_id: i.props.community.category_id,
      edit_id: i.props.community.id,
      removed: !i.props.community.removed,
      reason: i.state.removeReason,
      expires: getUnixTime(i.state.removeExpires),
      auth: null,
    };
    WebSocketService.Instance.editCommunity(deleteForm);

    i.state.showRemoveDialog = false;
    i.setState(i.state);
  }
}