NDOJ/templates/contest/contest-tabs.html

<div class="left-sidebar">
    {% if request.user.is_authenticated %}
        {% if contest.can_join or is_editor or is_tester %}
            {% set in_contest = contest.is_in_contest(request.user) %}
            {% if contest.ended %}
                {# Allow users to leave the virtual contest #}
                {% if in_contest %}
                    <form action="{{ url('contest_leave', contest.key) }}" method="post"
                          class="contest-join-pseudotab btn-midnightblue">
                        {% csrf_token %}
                        <input type="submit" class="leaving-forever" value="{{ _('Leave contest') }}">
                    </form>
                {% else %}
                    {# Allow users to virtual join #}
                    <form action="{{ url('contest_join', contest.key) }}" method="post"
                          class="contest-join-pseudotab btn-midnightblue">
                        {% csrf_token %}
                        <input type="submit" value="{{ _('Virtual join') }}">
                    </form>
                {% endif %}
            {% else %}
                {# Allow users to leave the contest #}
                {% if in_contest %}
                    <form action="{{ url('contest_leave', contest.key) }}" method="post"
                          class="contest-join-pseudotab">
                        {% csrf_token %}
                        <input type="submit" class="btn-midnightblue" value="
                            {%- if request.participation.spectate %}
                                {{- _('Stop spectating') -}}
                            {% else %}
                                {{- _('Leave contest') -}}
                            {% endif %}">
                    </form>
                {% elif is_editor or is_tester or live_participation.ended %}
                    <form action="{{ url('contest_join', contest.key) }}" method="post" class="contest-join-pseudotab">
                        {% csrf_token %}
                        <input type="submit" class="btn-midnightblue" value="{{ _('Spectate contest') }}">
                    </form>
                {% else %}
                    <form action="{{ url('contest_join', contest.key) }}" method="post" class="contest-join-pseudotab">
                        {% csrf_token %}
                        <input type="submit" class="btn-midnightblue {% if not has_joined %}first-join{% endif %}"
                               value="{{ _('Join contest') }}">
                    </form>
                {% endif %}
            {% endif %}
        {% endif %}
    {% elif contest.can_join %}
        <form action="{{ url('auth_login') }}" method="get"
              class="contest-join-pseudotab unselectable">
            <input type="hidden" name="next" value="{{ LOGIN_RETURN_PATH|urlencode }}">
            <input type="submit" class="btn-midnightblue" value="{{ _('Login to participate') }}">
        </form>
    {% endif %}
    {{ make_tab_item('detail', 'fa fa-info-circle', url('contest_view', contest.key), _('Info')) }}
    {% if contest.ended or can_edit %}
        {{ make_tab_item('stats', 'fa fa-pie-chart', url('contest_stats', contest.key), _('Statistics')) }}
    {% endif %}

    {% if contest.start_time <= now or perms.judge.see_private_contest %}
        {% if contest.can_see_own_scoreboard(request.user) %}
            {{ make_tab_item('ranking', 'fa fa-bar-chart', url('contest_ranking', contest.key), _('Rankings')) }}
            {% if request.user.is_authenticated %}
                {{ make_tab_item('participation', 'fa fa-users', url('contest_participation_own', contest.key), _('Participation')) }}
            {% endif %}
        {% else %}
            {{ make_tab_item('ranking', 'fa fa-bar-chart', None, _('Hidden Rankings')) }}
        {% endif %}
    {% endif %}
    {% if can_edit %}
        {% if perms.judge.moss_contest and has_moss_api_key %}
            {{ make_tab_item('moss', 'fa fa-gavel', url('contest_moss', contest.key), _('MOSS')) }}
        {% endif %}
        {{ make_tab_item('edit', 'fa fa-edit', url('admin:judge_contest_change', contest.id), _('Edit')) }}
    {% endif %}
    {% if perms.judge.clone_contest %}
        {{ make_tab_item('clone', 'fa fa-copy', url('contest_clone', contest.key), _('Clone')) }}
    {% endif %}
</div>