Initial working version with minor bugs

templates/trades/trade_offer_create.html

@@ -0,0 +1,41 @@
+{% extends '_base.html' %}
+{% load static %}
+{% load card_multiselect %}
+
+{% block title %}Create Trade Offer{% endblock title %}
+
+{% block content %}
+<h2>Create a Trade Offer</h2>
+<form method="post" novalidate>
+    {% csrf_token %}
+    {# Render the non–Select2 field normally (e.g. initiated_by) #}
+    <div class="mb-3">
+      <label for="initiated_by" class="form-label">Initiated by</label>
+      {{ form.initiated_by }}
+    </div>
+    <div class="mb-3">
+      {% card_multiselect "have_cards" "Have:" available_cards "Select one or more cards..." form.have_cards.value %}
+    </div>
+    <div class="mb-3">
+      {% card_multiselect "want_cards" "Want:" available_cards "Select one or more cards..." form.want_cards.value %}
+    </div>
+    
+    <button type="submit" class="btn btn-primary">Submit</button>
+</form>
+
+{% if form.errors %}
+    <div class="alert alert-danger">
+        <strong>Please correct the errors below:</strong>
+        <ul>
+            {% for field in form %}
+                {% for error in field.errors %}
+                    <li>{{ error }}</li>
+                {% endfor %}
+            {% endfor %}
+            {% for error in form.non_field_errors %}
+                <li>{{ error }}</li>
+            {% endfor %}
+        </ul>
+    </div>
+{% endif %}
+{% endblock content %}