init commit

lottery/templates/admin/draw/lotteryparticipant/change_list.html

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+{% extends "admin/change_list.html" %}
+{% load i18n %}
+
+{% block object-tools-items %}
+<div class="d-flex align-items-center mb-2">
+    <form id="lotterySelectForm" method="get" class="form-inline mr-3">
+        <select name="lottery_id" id="lotterySelect" class="form-control mr-2">
+            <option value="">{% trans "-- Выберите розыгрыш --" %}</option>
+            {% for lottery in active_lotteries %}
+                <option value="{{ lottery.id }}" {% if request.GET.lottery_id == lottery.id|stringformat:"s" %}selected{% endif %}>
+                    {{ lottery.name }}
+                </option>
+            {% endfor %}
+        </select>
+        <button type="submit" class="btn btn-primary">{% trans "Выбрать" %}</button>
+    </form>
+    <a href="{% url 'admin:add_participants' %}?lottery_id={{ request.GET.lottery_id|default:'' }}" class="btn btn-success">
+        {% trans "Добавить участников" %}
+    </a>
+</div>
+{{ block.super }}
+{% endblock %}