Add task to remove blank filters

Author: entantoencuanto

app/services/taxonomies_filters_remover.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "json"
+
+class TaxonomiesFiltersRemover
+  # Parses the plan JSON and removes, from every
+  #   imported_taxonomies -> <taxonomy_key> -> <label_key> -> filters
+  # array, any filter element whose "items" array is blank (nil or empty).
+  #
+  # @param input_path  [String] path to the source JSON file
+  # @param output_path [String] path where the cleaned JSON will be written
+  # @return [Hash] the cleaned data structure
+  def self.call(input_path, output_path = nil)
+    output_path ||= input_path
+    data = JSON.parse(File.read(input_path))
+
+    imported = data["imported_taxonomies"]
+
+    if imported.is_a?(Hash)
+      imported.each do |_taxonomy_key, taxonomy_value|
+        # Each taxonomy value is a Hash whose keys are labels (e.g. "~ Categories")
+        next unless taxonomy_value.is_a?(Hash)
+
+        taxonomy_value.each do |_label_key, label_value|
+          next unless label_value.is_a?(Hash)
+
+          filters = label_value["filters"]
+          next unless filters.is_a?(Array)
+
+          # Keep only filters where "items" is present AND non-empty
+          label_value["filters"] = clean(filters)
+        end
+      end
+    end
+
+    File.write(output_path, JSON.pretty_generate(data))
+  end
+
+  def self.clean(filters)
+    filters.reject do |filter|
+      items = filter["items"]
+      items.nil? || (items.respond_to?(:empty?) && items.empty?)
+    end
+  end
+end

lib/tasks/decidim_taxonomies.rake

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require "decidim/maintenance"
+
+namespace :decidim do
+  namespace :taxonomies do
+    desc "Removes filters from each tmp/taxonomies/*_plan.json (rewrites files in place)"
+    task :remove_filters_from_all_plans, [] => :environment do |_task, _args|
+      files = Rails.root.glob("tmp/taxonomies/*_plan.json")
+      if files.empty?
+        log.warn "No *_plan.json files found in tmp/taxonomies"
+        next
+      end
+
+      files.each do |file_path|
+        log.info "Removing filters from #{file_path}"
+        TaxonomiesFiltersRemover.call(file_path)
+      end
+      log.info "Done."
+    end
+  end
+end