Stiletto/snippets/get-display-discount.liquid

{%- comment -%}
  Pass in:

  - product or variant
  - format string, one of
    - "sale_text"
    - "percent_off"
    - "minus_percent"
    - "save_percent"
    - "amount_off"
    - "minus_amount"
    - "save_amount"
{%- endcomment -%}

{%- assign varies = false -%}

{%- liquid
  assign prod_price = prod.price
  assign prod_compare_at_price = prod.compare_at_price

  if variant
    assign prod = variant

    assign prod_price = variant.metafields.app--168074346497.auto_discounted_price.value | default: variant.price
    assign prod_compare_at_price = variant.compare_at_price

    if variant.metafields.app--168074346497.discount_type.value != nil and variant.metafields.app--168074346497.discount_type.value != "fixed" and prod.metafields.app--168074346497.discount_percentage.value > 0.01
      assign deducted_percentage = 1.0 | minus: prod.metafields.app--168074346497.discount_percentage.value

      if variant.metafields.app--168074346497.discount_percentage.value > 0.01
        assign deducted_percentage = 1.0 | minus: variant.metafields.app--168074346497.discount_percentage.value
      endif

      assign prod_price = variant.price | divided_by: 100.0 | times: deducted_percentage | times: 100.0 | ceil

      assign prod_compare_at_price = variant.price

      if variant.compare_at_price > prod_compare_at_price
        assign prod_compare_at_price = variant.compare_at_price
      endif
    endif
  else
    if prod.compare_at_price_varies or prod.price_varies
      assign varies = true
      assign amount_off_varies = true

      assign smallest_amount_off = 0
      assign largest_amount_off = 0

      for variant in prod.variants

        assign variant_price = variant.metafields.app--168074346497.auto_discounted_price.value | default: variant.price
        assign variant_compare_at_price = variant.compare_at_price

        if variant.metafields.app--168074346497.discount_type.value != nil and variant.metafields.app--168074346497.discount_type.value != "fixed" and prod.metafields.app--168074346497.discount_percentage.value > 0.01
          assign deducted_percentage = 1.0 | minus: prod.metafields.app--168074346497.discount_percentage.value

          if variant.metafields.app--168074346497.discount_percentage.value > 0.01
            assign deducted_percentage = 1.0 | minus: variant.metafields.app--168074346497.discount_percentage.value
          endif

          assign variant_price = variant.price | divided_by: 100.0 | times: deducted_percentage | times: 100.0 | ceil

          assign variant_compare_at_price = variant.price

          if variant.compare_at_price > variant_compare_at_price
            assign variant_compare_at_price = variant.compare_at_price
          endif
        endif

        if variant_compare_at_price > variant_price
          assign variant_amount_off = variant_compare_at_price | minus: variant_price

          if smallest_amount_off == 0 or variant_amount_off < smallest_amount_off
            assign smallest_amount_off = variant_amount_off
          endif

          if variant_amount_off > largest_amount_off
            assign largest_amount_off = variant_amount_off
          endif
        endif
      endfor

      if smallest_amount_off == largest_amount_off
        assign amount_off_varies = false
      endif
    endif
  endif
-%}

{% comment %}
{% if variant %}
  {% assign prod = variant %}
{% else %}
  {%- if prod.compare_at_price_varies or prod.price_varies -%}
    {%- assign varies = true -%}
    {%- assign amount_off_varies = true -%}

    {% comment %}
      The price may vary but the amount off may be the same for each variant.
      Here we check to see if the amount off for each variant is the same or different.
    {% endcomment %}
    {%- assign smallest_amount_off = 0 -%}
    {%- assign largest_amount_off = 0 -%}
    {%- for variant in prod.variants -%}
      {%- if variant.compare_at_price > variant.price -%}
        {%- assign variant_amount_off = variant.compare_at_price | minus: variant.price -%}
        {%- if smallest_amount_off == 0 -%}
          {%- assign smallest_amount_off = variant_amount_off -%}
        {%- endif -%}
        {%- if variant_amount_off > largest_amount_off -%}
          {%- assign largest_amount_off = variant_amount_off -%}
        {%- endif -%}
        {%- if variant_amount_off < smallest_amount_off -%}
          {%- assign smallest_amount_off = variant_amount_off -%}
        {%- endif -%}
      {%- endif -%}
    {%- endfor -%}

    {% comment %}
      If the smallest amount off is equal to the largest amount then the discount does not vary
    {% endcomment %}
    {%- if smallest_amount_off == largest_amount_off -%}
      {%- assign amount_off_varies = false -%}
    {%- endif -%}
  {%- endif -%}
{%- endif -%}
{% endcomment %}

{%- if format == 'sale_text' -%}
  {%- if prod_compare_at_price > prod_price -%}
    {{ 'products.product.on_sale' | t }}
  {%- endif -%}
{%- else -%}
  {%- assign is_percent_format = false -%}
  {%- if format == 'percent_off' or format == 'minus_percent' or format == 'save_percent' -%}
    {%- assign is_percent_format = true -%}
  {%- endif -%}

  {%- if varies -%}
    {%- if is_percent_format -%}
      {%- capture displayed_discount -%}
        {%- render 'get-varied-percent-discount', prod: prod -%}
      {%- endcapture -%}
    {%- else -%}
      {%- capture displayed_discount -%}
        {%- render 'get-varied-amount-discount', prod: prod -%}
      {%- endcapture -%}
    {%- endif -%}
  {%- else -%}
    {%- if is_percent_format -%}
      {%- capture displayed_discount -%}{%- render 'get-percent-discount', prod: prod -%}{%- endcapture -%}
    {%- else -%}
      {%- capture displayed_discount -%}{%- render 'get-amount-discount', prod: prod -%}{%- endcapture -%}
    {%- endif -%}
  {%- endif -%}
  {% assign displayed_discount = displayed_discount | plus: 0 -%}

  {%- unless is_percent_format %}
    {% capture formatted_currency_discount %}{{ displayed_discount | money }}{% endcapture %}
  {% endunless -%}
  {%- if displayed_discount > 0 %}
    {%- if format == 'percent_off' -%}
      {% if amount_off_varies %}{{ 'products.product.on_sale_varied_prefix' | t }}{% endif %}
      {{ 'products.product.on_sale_format_percent_off' | t: value: displayed_discount }}
    {%- elsif format == 'minus_percent' -%}
      {% if amount_off_varies %}{{ 'products.product.on_sale_varied_prefix' | t }}{% endif %}
      {{ 'products.product.on_sale_format_minus_percent' | t: value: displayed_discount }}
    {%- elsif format == 'save_percent' -%}
      {% if amount_off_varies %}
        {{ 'products.product.on_sale_format_save_percent_varied' | t: value: displayed_discount }}
      {% else %}
        {{ 'products.product.on_sale_format_save_percent' | t: value: displayed_discount }}
      {% endif %}
    {%- elsif format == 'amount_off' -%}
      {% if amount_off_varies %}{{ 'products.product.on_sale_varied_prefix' | t }}{% endif %}
      {{ 'products.product.on_sale_format_amount_off' | t: value: formatted_currency_discount }}
    {%- elsif format == 'minus_amount' -%}
      {% if amount_off_varies %}{{ 'products.product.on_sale_varied_prefix' | t }}{% endif %}
      {{ 'products.product.on_sale_format_minus_amount' | t: value: formatted_currency_discount }}
    {%- elsif format == 'save_amount' -%}
      {% if amount_off_varies %}
        {{ 'products.product.on_sale_format_save_amount_varied' | t: value: formatted_currency_discount }}
      {% else %}
        {{ 'products.product.on_sale_format_save_amount' | t: value: formatted_currency_discount }}
      {% endif %}
    {%- endif -%}
  {% endif -%}
{%- endif -%}