feat: Discount Filters

- Discount filters in filters section
- Code cleanup
diff --git a/erpnext/templates/generators/item_group.html b/erpnext/templates/generators/item_group.html
index 233b169..a27b566 100644
--- a/erpnext/templates/generators/item_group.html
+++ b/erpnext/templates/generators/item_group.html
@@ -1,3 +1,4 @@
+{% from "erpnext/templates/includes/macros.html" import field_filter_section, attribute_filter_section, discount_range_filters %}
 {% extends "templates/web.html" %}
 
 {% block header %}
@@ -63,68 +64,16 @@
 					<div class="mb-4 filters-title" > {{ _('Filters') }} </div>
 					<a class="mb-4 clear-filters" href="/{{ doc.route }}">{{ _('Clear All') }}</a>
 				</div>
-				{% for field_filter in field_filters %}
-					{%- set item_field =  field_filter[0] %}
-					{%- set values =  field_filter[1] %}
-					<div class="mb-4 filter-block pb-5">
-						<div class="filter-label mb-3">{{ item_field.label }}</div>
+				<!-- field filters -->
+				{{ field_filter_section(field_filters) }}
 
-						{% if values | len > 20 %}
-						<!-- show inline filter if values more than 20 -->
-						<input type="text" class="form-control form-control-sm mb-2 product-filter-filter"/>
-						{% endif %}
+				<!-- attribute filters -->
+				{{ attribute_filter_section(attribute_filters) }}
 
-						{% if values %}
-						<div class="filter-options">
-							{% for value in values %}
-							<div class="checkbox" data-value="{{ value }}">
-								<label for="{{value}}">
-									<input type="checkbox"
-										class="product-filter field-filter"
-										id="{{value}}"
-										data-filter-name="{{ item_field.fieldname }}"
-										data-filter-value="{{ value }}"
-									>
-									<span class="label-area">{{ value }}</span>
-								</label>
-							</div>
-							{% endfor %}
-						</div>
-						{% else %}
-						<i class="text-muted">{{ _('No values') }}</i>
-						{% endif %}
-					</div>
-				{% endfor %}
-
-				{% for attribute in attribute_filters %}
-					<div class="mb-4 filter-block pb-5">
-						<div class="filter-label mb-3">{{ attribute.name}}</div>
-						{% if values | len > 20 %}
-						<!-- show inline filter if values more than 20 -->
-						<input type="text" class="form-control form-control-sm mb-2 product-filter-filter"/>
-						{% endif %}
-
-						{% if attribute.item_attribute_values %}
-						<div class="filter-options">
-							{% for attr_value in attribute.item_attribute_values %}
-							<div class="checkbox">
-								<label data-value="{{ value }}">
-									<input type="checkbox"
-										class="product-filter attribute-filter"
-										id="{{attr_value.name}}"
-										data-attribute-name="{{ attribute.name }}"
-										data-attribute-value="{{ attr_value.attribute_value }}"
-										{% if attr_value.checked %} checked {% endif %}>
-										<span class="label-area">{{ attr_value.attribute_value }}</span>
-								</label>
-							</div>
-							{% endfor %}
-						</div>
-						{% else %}
-						<i class="text-muted">{{ _('No values') }}</i>
-						{% endif %}
-					</div>
-				{% endfor %}
+				<!-- discount filters -->
+				{% if discount_filters %}
+					{{ discount_range_filters(discount_filters) }}
+				{% endif %}
 			</div>
 
 			<script>
diff --git a/erpnext/templates/includes/macros.html b/erpnext/templates/includes/macros.html
index 1063704..2c5f7b9 100644
--- a/erpnext/templates/includes/macros.html
+++ b/erpnext/templates/includes/macros.html
@@ -315,3 +315,91 @@
 	{% endfor %}
 </div>
 {%- endmacro -%}
+
+{%- macro field_filter_section(filters)-%}
+{% for field_filter in filters %}
+	{%- set item_field =  field_filter[0] %}
+	{%- set values =  field_filter[1] %}
+	<div class="mb-4 filter-block pb-5">
+		<div class="filter-label mb-3">{{ item_field.label }}</div>
+
+		{% if values | len > 20 %}
+		<!-- show inline filter if values more than 20 -->
+		<input type="text" class="form-control form-control-sm mb-2 product-filter-filter"/>
+		{% endif %}
+
+		{% if values %}
+		<div class="filter-options">
+			{% for value in values %}
+			<div class="checkbox" data-value="{{ value }}">
+				<label for="{{value}}">
+					<input type="checkbox"
+						class="product-filter field-filter"
+						id="{{value}}"
+						data-filter-name="{{ item_field.fieldname }}"
+						data-filter-value="{{ value }}"
+					>
+					<span class="label-area">{{ value }}</span>
+				</label>
+			</div>
+			{% endfor %}
+		</div>
+		{% else %}
+		<i class="text-muted">{{ _('No values') }}</i>
+		{% endif %}
+	</div>
+{% endfor %}
+{%- endmacro -%}
+
+{%- macro attribute_filter_section(filters)-%}
+{% for attribute in filters %}
+	<div class="mb-4 filter-block pb-5">
+		<div class="filter-label mb-3">{{ attribute.name}}</div>
+		{% if values | len > 20 %}
+		<!-- show inline filter if values more than 20 -->
+		<input type="text" class="form-control form-control-sm mb-2 product-filter-filter"/>
+		{% endif %}
+
+		{% if attribute.item_attribute_values %}
+		<div class="filter-options">
+			{% for attr_value in attribute.item_attribute_values %}
+			<div class="checkbox">
+				<label data-value="{{ value }}">
+					<input type="checkbox"
+						class="product-filter attribute-filter"
+						id="{{attr_value.name}}"
+						data-attribute-name="{{ attribute.name }}"
+						data-attribute-value="{{ attr_value.attribute_value }}"
+						{% if attr_value.checked %} checked {% endif %}>
+						<span class="label-area">{{ attr_value.attribute_value }}</span>
+				</label>
+			</div>
+			{% endfor %}
+		</div>
+		{% else %}
+		<i class="text-muted">{{ _('No values') }}</i>
+		{% endif %}
+	</div>
+{% endfor %}
+{%- endmacro -%}
+
+{%- macro discount_range_filters(filters)-%}
+<div class="mb-4 filter-block pb-5">
+	<div class="filter-label mb-3">{{ _("Discounts") }}</div>
+	<div class="filter-options">
+		{% for entry in filters %}
+		<div class="checkbox">
+			<label data-value="{{ entry[0] }}">
+				<input type="radio" class="product-filter discount-filter"
+					name="discount" id="{{ entry[0] }}"
+					data-filter-name="discount" data-filter-value="{{ entry[0] }}"
+				>
+					<span class="label-area" for="{{ entry[0] }}">
+						{{ entry[1] }}
+					</span>
+			</label>
+		</div>
+		{% endfor %}
+	</div>
+</div>
+{%- endmacro -%}