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Adapt for variant to variant relations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| # frozen_string_literal: true | ||
|
|
||
| module Spree | ||
| module VariantDecorator | ||
| def self.prepended(base) | ||
| base.has_many :relations, -> { order(:position) }, class_name: 'Spree::Relation', as: :relatable | ||
| base.has_many :relation_types, -> { unscope(:order).distinct }, class_name: 'Spree::RelationType', through: :relations | ||
|
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| # When a Spree::Product is destroyed, we also want to destroy all | ||
| # Spree::Relations "from" it as well as "to" it. | ||
| base.after_destroy :destroy_product_relations | ||
| base.extend ClassMethods | ||
| end | ||
|
|
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| module ClassMethods | ||
| # Returns all the Spree::RelationType's which apply_to this class. | ||
| def relation_types | ||
| Spree::RelationType.where(applies_to: to_s).order(:name) | ||
| end | ||
|
|
||
| def relation_filter | ||
| joins(:product).where('spree_products.deleted_at' => nil) | ||
| .where('spree_products.available_on IS NOT NULL') | ||
| .where('spree_products.status' => :active) | ||
| .references(self) | ||
| end | ||
| end | ||
|
|
||
| # Decides if there is a relevant Spree::RelationType related to this class | ||
| # which should be returned for this method. | ||
| # | ||
| # If so, it calls relations_for_relation_type. Otherwise it passes | ||
| # it up the inheritance chain. | ||
| # def method_missing(method, *args) | ||
| # relation_type = find_relation_type(method) | ||
| # if relation_type.nil? | ||
| # super | ||
| # else | ||
| # relations_for_relation_type(relation_type) | ||
| # end | ||
| # end | ||
|
|
||
| def has_related_products?(relation_method) | ||
| find_relation_type(relation_method).present? | ||
| end | ||
|
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||
| def destroy_product_relations | ||
| # First we destroy relationships "from" this Product to others. | ||
| relations.destroy_all | ||
| # Next we destroy relationships "to" this Product. | ||
| Spree::Relation.where(related_to_type: self.class.to_s).where(related_to_id: id).destroy_all | ||
| end | ||
|
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||
| private | ||
|
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| def find_relation_type(relation_name) | ||
| self.class.relation_types.detect do |rt| | ||
| format_name(rt.name) == format_name(relation_name) | ||
| end | ||
| rescue ActiveRecord::StatementInvalid | ||
| # This exception is throw if the relation_types table does not exist. | ||
| # And this method is getting invoked during the execution of a migration | ||
| # from another extension when both are used in a project. | ||
| nil | ||
| end | ||
|
|
||
| # Returns all the Products that are related to this record for the given RelationType. | ||
| # | ||
| # Uses the Relations to find all the related items, and then filters | ||
| # them using +Product.relation_filter+ to remove unwanted items. | ||
| def relations_for_relation_type(relation_type) | ||
| # Find all the relations that belong to us for this RelationType, ordered by position | ||
| related_ids = relations.where(relation_type_id: relation_type.id) | ||
| .order(:position) | ||
| .select(:related_to_id) | ||
|
|
||
| # Construct a query for all these records | ||
| result = self.class.where(id: related_ids) | ||
|
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||
| # Merge in the relation_filter if it's available | ||
| result = result.merge(self.class.relation_filter) if relation_filter | ||
|
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||
| # make sure results are in same order as related_ids array (position order) | ||
| result.where(id: related_ids).order(:position) if result.present? | ||
|
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| result | ||
| end | ||
|
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||
| # Simple accessor for the class-level relation_filter. | ||
| # Could feasibly be overloaded to filter results relative to this | ||
| # record (eg. only higher priced items) | ||
| def relation_filter | ||
| self.class.relation_filter | ||
| end | ||
|
|
||
| def format_name(name) | ||
| name.to_s.downcase.tr(' ', '_').pluralize | ||
| end | ||
| end | ||
| end | ||
|
|
||
| ::Spree::Variant.prepend(Spree::VariantDecorator) |
66 changes: 66 additions & 0 deletions
66
app/views/spree/admin/products/_related_variants_table.html.erb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| <% variants.each do |variant| %> | ||
| <% if variant.relations.any? %> | ||
| <table class="table sortable" data-hook="products_table" data-sortable-link="<%= update_positions_admin_product_relations_url(variant.product) %>"> | ||
| <caption><%= "Relations for Variant SKU: #{variant.sku} Option: #{variant.options_text}" %></caption> | ||
| <colgroup> | ||
| <col style="width: 3%" /> | ||
| <col style="width: 7%" /> | ||
| <col style="width: 8%" /> | ||
| <col style="width: 35%" /> | ||
| <col style="width: 15%" /> | ||
| <col style="width: 10%" /> | ||
| <col style="width: 20%" /> | ||
| <col style="width: 2%" /> | ||
| </colgroup> | ||
| <thead> | ||
| <tr data-hook="products_header"> | ||
| <th></th> | ||
| <th>SKU</th> | ||
| <th>Related To Type</th> | ||
| <th><%= Spree.t(:name) %></th> | ||
| <th><%= Spree.t(:option) %></th> | ||
| <th><%= Spree.t(:type) %></th> | ||
| <th><%= Spree.t(:quantity) %>%></th> | ||
| <th class="actions"></th> | ||
| </tr> | ||
| </thead> | ||
| <tbody> | ||
| <% variant.relations.each do |relation| %> | ||
| <tr id="<%= spree_dom_id relation %>" data-hook="products_row"> | ||
| <td class="handle move-handle"> | ||
| <% if Spree.version.to_d >= 4.2 && defined?(svg_icon) %> | ||
| <%= svg_icon name: "sort.svg", width: '18', height: '18' %> | ||
| <% else %> | ||
| <span class="icon icon-move handle"></span> | ||
| <% end %> | ||
| </td> | ||
| <td><%= relation.related_to.sku %></td> | ||
| <td><%= relation.related_to_type %></td> | ||
| <td><%= relation.related_to.name %></td> | ||
| <td><%= relation.related_to.try(:options_text) %></td> | ||
| <%# if defined? Spree::Frontend %> | ||
| <%# binding.break %> | ||
| <!-- <td><%#= link_to relation.related_to.name, relation.related_to %></td> --> | ||
| <%# else %> | ||
| <!-- <td><%#= link_to relation.related_to.name, admin_product_path(relation.related_to) %></td> --> | ||
| <%# end %> | ||
| <td><%= relation.relation_type.name %></td> | ||
| <td> | ||
| <%= form_for relation, url: admin_variant_relation_path(relation.relatable, relation) do |f| %> | ||
| <div class="input-group justify-content-center"> | ||
| <%= f.text_field :quantity, class: 'form-control text-center my-1 w-20' %> | ||
| <span class="input-group-btn"> | ||
| <%= f.button Spree.t(:update), type: 'submit', class: 'btn btn-primary m-1' %> | ||
| </span> | ||
| </div> | ||
| <% end %> | ||
| </td> | ||
| <td class="actions"> | ||
| <%= link_to_delete relation, url: admin_variant_relation_url(relation.relatable, relation), no_text: true %> | ||
| </td> | ||
| </tr> | ||
| <% end %> | ||
| </tbody> | ||
| </table> | ||
| <% end %> | ||
| <% end %> |
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