Discount Kit discount detection

cart-upsell.liquid

{% liquid
  assign discounts = shop.metafields.discount_kit.campaign.value.discounts
  assign current_date = 'now' | date: '%s' | times: 1

  # Initialize an array to store discount distances
  assign discount_distances = ''

  for discount in discounts
    assign config = discount.discountNode.config.value
    assign starts_at = discount.startsAt | date: '%s' | times: 1
    assign ends_at = discount.endsAt | date: '%s' | times: 1

    # Initial eligibility checks
    if discount.discountType != discount_type
      continue
    endif

    if ends_at > 0 and ends_at <= current_date
      continue
    endif

    if current_date <= starts_at
      continue
    endif

    if config.matchRule.excludeSale and product.compare_at_price > 0
      continue
    endif

    if config.allowB2b != true and customer.b2b?
      continue
    endif

    if config.customerTags
      assign matching_tag = false
      for tag in customer.tags
        for customer_tag in config.customerTags
          if tag == customer_tag
            assign matching_tag = true
            break
          endif
        endfor
      endfor
      if matching_tag != true
        continue
      endif
    endif

    if config.marketHandles
      assign matching_market = false
      for market in config.marketHandles
        if market == localization.market.handle
          assign matching_market = true
          break
        endif
      endfor
      if matching_market != true
        continue
      endif
    endif

    if config.currencyCode and config.currencyCode != cart.currency.iso_code
      continue
    endif

    # Initialize totals for matching items
    assign matching_subtotal = 0
    assign matching_quantity = 0

    # Iterate over cart items to accumulate totals based on matchRule
    for item in cart.items
      assign item_matches = config.matchRule.all

      case config.matchRule.type
        when 'collection'
          for col in config.matchRule.include
            assign product_collections = item.product.collections | map: 'id'
            assign col_num = col | times: 1
            if product_collections contains col_num
              assign item_matches = true
            endif
          endfor
        when 'product'
          for product_id in config.matchRule.include
            assign product_id_num = product_id | times: 1
            if item.product.id == product_id_num
              assign item_matches = true
            endif
          endfor
        when 'productSelection'
          for product_selection in config.matchRule.selection
            assign product_id_num = product_selection.id | times: 1
            if item.product.id == product_id_num
              assign item_matches = true
            endif
          endfor
      endcase

      # Accumulate totals if the item matches
      if item_matches
        assign matching_subtotal = matching_subtotal | plus: item.original_line_price
        assign matching_quantity = matching_quantity | plus: item.quantity
      endif
    endfor
    # Proceed only if there are matching items
    # Sort tiers based on 'buys.value' in ascending order
    assign sorted_tiers = config.tiers | sort: 'buys.value'
    assign current_tier = null
    assign next_tier = null

    for tier in sorted_tiers
      if tier.buys.type == 'minimumSubtotal'
        assign required = tier.buys.value
        if matching_subtotal >= required
          assign current_tier = tier
        else
          assign next_tier = tier
          break
        endif
      elsif tier.buys.type == 'minimumQuantity'
        assign required = tier.buys.value
        if matching_quantity >= required
          assign current_tier = tier
        else
          assign next_tier = tier
          break
        endif
      endif
    endfor

    # Calculate distance to next tier
    if next_tier != null
      if next_tier.buys.type == 'minimumSubtotal'
        assign distance = next_tier.buys.value | minus: matching_subtotal | money
        capture distance_label
          echo 'Spend ' | append: distance | append: ' more'
        endcapture
      elsif next_tier.buys.type == 'minimumQuantity'
        assign distance = next_tier.buys.value | minus: matching_quantity
        capture distance_label
          echo 'Add ' | append: distance | append: ' more item(s)'
        endcapture
      endif
    else
      assign distance_label = 'You have reached the highest discount tier'
    endif
    # Append the discount name and distance to the discount_distances array
    assign discount_info = discount.discountTitle | append: ': ' | append: distance_label
    assign discount_distances = discount_distances | append: discount_info | append: '||'
  endfor

  # Remove the trailing separator
  assign discount_distances = discount_distances | split: '||'
  echo discount_distances
%}

match_discount.liquid

{% liquid
  assign discounts = shop.metafields.discount_kit.campaign.value.discounts

  assign current_date = 'now' | date: '%s' | times: 1
  assign matched_config_id = null

  for discount in discounts
    assign config = discount.discountNode.config.value
    assign starts_at = discount.startsAt | date: '%s' | times: 1
    assign ends_at = discount.endsAt | date: '%s' | times: 1

    if discount.discountType != discount_type
      continue
    endif

    if prerequisite_type
      assign first_tier = config.tiers | first
      if first_tier.buys.type != prerequisite_type
        continue
      endif
    endif

    if ends_at > 0 and ends_at <= current_date
      continue
    endif

    if current_date <= starts_at
      continue
    endif

    if config.matchRule.excludeSale
      if product.compare_at_price > 0
        continue
      endif
    endif

    if config.allowB2b != true
      if customer.b2b?
        continue
      endif
    endif

    if config.customerTags
      assign matching_tag = false

      for tag in customer.tags
        for customer_tag in config.customerTags
          if tag == customer_tag
            assign matching_tag = true
            break
          endif
        endfor
      endfor

      if matching_tag != true
        continue
      endif
    endif

    if config.marketHandles
      assign matching_market = false

      for market in config.marketHandles
        if market == localization.market.handle
          assign matching_market = true
          break
        endif
      endfor

      if matching_market != true
        continue
      endif
    endif

    if config.currencyCode
      if config.currencyCode != cart.currency.iso_code
        continue
      endif
    endif

    if config.matchRule == blank
      assign matched_config_id = discount.id
      break
    endif

    if config.matchRule.all == true
      assign matched_config_id = discount.id
      break
    endif

    if config.matchRule.type == 'collection'
      for col in config.matchRule.include
        assign product_collections = product.collections | map: 'id'
        assign col_num = col | times: 1
        if product_collections contains col_num
          assign matched_config_id = discount.id
          break
        endif
      endfor
    endif

    if config.matchRule.type == 'product'
      for product_id in config.matchRule.include
        assign product_id_num = product_id | times: 1
        if product.id == product_id_num
          assign matched_config_id = discount.id
          break
        endif
      endfor
    endif

    if config.matchRule.type == 'productSelection'
      for product_selection in config.matchRule.selection
        assign product_id_num = product_selection.id | times: 1
        if product.id == product_id_num
          assign matched_config_id = discount.id
          break
        endif
      endfor
    endif
  endfor

  if matched_config_id
    echo matched_config_id
  endif
%}

usage.liquid

{% assign discounts = shop.metafields.discount_kit.campaign.value.discounts %}
{% capture matching_discount_id %}
  {% render 'match_discount', discount_type: 'PRODUCT_VOLUME' %}
{% endcapture %}
{% assign stripped_discount_id = matching_discount_id | strip | strip_newlines | strip_html %}
{% assign discount = discounts | where: 'id', stripped_discount_id | first %}

{{ discount }}

current_tier is not used