Merge pull request #4337 from Growstuff/recursive-fallback

More recursive companions

app/helpers/crops_helper.rb

@@ -1,6 +1,18 @@
 # frozen_string_literal: true
 
 module CropsHelper
+
+  def crop_or_parent(crop, attribute)
+    default = crop.send(attribute)
+    return default if default.present?
+    while parent = crop.parent do
+      return parent.send(attribute) if parent&.send(attribute).present?
+    end
+
+    # For scopes, arrays, etc return the empty value
+    default
+  end
+
   def display_seed_availability(member, crop)
     seeds = member.seeds.where(crop:)
     total_quantity = seeds.where.not(quantity: nil).sum(:quantity)

app/models/crop.rb

@@ -162,7 +162,7 @@ class Crop < ApplicationRecord
   def all_companions
     return companions unless parent
 
-    (companions + parent.companions).uniq
+    (companions + parent.all_companions).uniq
   end
 
   before_destroy :destroy_reverse_companionships

app/views/crops/_form.html.haml

@@ -41,14 +41,28 @@
         = f.radio_button(:perennial, true, label: "Perennial")
         %span.help-block Living more than two years
 
-      %h2 OpenFarm Data
+      %h2 Data
       = f.text_area :description, label: 'Description'
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.description}
       = f.number_field :row_spacing, label: 'Row Spacing (cm)', min: 0
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.row_spacing}
       = f.number_field :spread, label: 'Spread (cm)', min: 0
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.spread}
       = f.number_field :height, label: 'Height (cm)', min: 0
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.height}
       = f.text_field :sowing_method
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.sowing_method}
       = f.text_field :sun_requirements
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.sun_requirements}
       = f.number_field :growing_degree_days, min: 0
+      - if @crop.parent
+        %span.help-block Parent: #{@crop.parent.growing_degree_days}
 
       - unless @crop.approved?
         = link_to 'Search wikipedia', "https://en.wikipedia.org/w/index.php?search=#{@crop.name}", target: '_blank'

app/views/crops/_info.haml

@@ -6,14 +6,14 @@
       - unless @crop.approved?
         %badge.badge-warning=@crop.approval_status
       %small.text-muted= @crop.default_scientific_name
-    - if @crop.sowing_method.present?
+    - if crop_or_parent(@crop, :sowing_method).present?
       %p
         %strong How to sow #{@crop.name}:
-        = @crop.sowing_method
-    - if @crop.sun_requirements.present?
+        = crop_or_parent(@crop, :sowing_method)
+    - if crop_or_parent(@crop, :sun_requirements).present?
       %p
         %strong Sun requirement for #{@crop}:
-        Plant in #{@crop.sun_requirements}
+        Plant in #{crop_or_parent(@crop, :sun_requirements)}
     %p.text-muted
       - if !@crop.plantings.empty?
         #{@crop.name.titleize} has been planted
@@ -21,8 +21,8 @@
         by #{ENV['GROWSTUFF_SITE_NAME']} members.
       - else
         Nobody is growing this yet. You could be the first!
-    - if @crop.description.present?
-      %p= simple_format @crop.description
+    - if crop_or_parent(@crop, :description).present?
+      %p= simple_format crop_or_parent(@crop, :description)
   .col-md-3
     = image_tag crop_image_path(@crop),
       class: 'img-responsive shadow rounded crop-hero-photo', alt: "Image of #{@crop.name}"

app/views/crops/_photos.html.haml

@@ -1,7 +1,7 @@
 %h2 #{photo_icon} Photos
 - [Crop, Planting, Harvest, Seed].each do |model_name|
-  - if crop.photos.by_model(model_name).any?
+  - if crop_or_parent(crop, :photos).by_model(model_name).any?
     %h3 #{@crop.name.capitalize} #{t("activerecord.models.#{model_name.to_s.downcase}.other")}
-    = render 'photos/gallery', photos: crop.photos.by_model(model_name).includes(:owner).order(likes_count: :desc).limit(5)
+    = render 'photos/gallery', photos: crop_or_parent(crop, :photos).by_model(model_name).includes(:owner).order(likes_count: :desc).limit(5)
 - if crop.photos.count.positive?
   = link_to 'more photos »', crop_photos_path(@crop), class: 'btn'

app/views/crops/show.html.haml

@@ -11,6 +11,8 @@
 
 - content_for :breadcrumbs do
   %li.breadcrumb-item= link_to 'Crops', crops_path
+  - if @crop.parent
+    %li.breadcrumb-item.active= link_to @crop.parent.name.capitalize, @crop.parent
   %li.breadcrumb-item.active= link_to @crop.name.capitalize, @crop
 
 = render 'approval_status_message', crop: @crop
@@ -30,11 +32,11 @@
         - @crop.all_companions.each do |companion|
           = render 'crops/tiny', crop: companion
 
-    - if @crop.en_youtube_url.present?
+    - if crop_or_parent(@crop, :en_youtube_url).present?
       %section.youtube
         %h2 Video
         .embed-responsive.embed-responsive-16by9
-          %iframe.embed-responsive-item{ src: "https://www.youtube.com/embed/#{youtube_video_id(@crop.en_youtube_url)}", allowfullscreen: true }
+          %iframe.embed-responsive-item{ src: "https://www.youtube.com/embed/#{youtube_video_id(crop_or_parent(@crop, :en_youtube_url))}", allowfullscreen: true }
 
     %section.photos
       = cute_icon