LIBSCHOLAR-41 Replaces read_timout with timout in Solr initializer.

.rubocop.yml

@@ -64,6 +64,7 @@ Metrics/MethodLength:
     - 'app/helpers/mark_helper.rb'
     - 'bin/importer'
     - 'spec/controllers/bulkrax/importers_controller_spec.rb'
+    - 'lib/active_fedora/solr_service.rb'
 
 Metrics/ClassLength:
   Exclude:

lib/active_fedora/solr_service.rb

@@ -0,0 +1,97 @@
+# frozen_string_literal: true
+require 'rsolr'
+
+module ActiveFedora
+  class SolrService
+    attr_reader :options
+    attr_writer :conn
+
+    MAX_ROWS = 10_000
+
+    def initialize(options = {})
+      @options = { timeout: 120, open_timeout: 120, url: 'http://localhost:8080/solr' }.merge(options)
+    end
+
+    def conn
+      @conn ||= RSolr.connect @options
+    end
+
+    class << self
+      # @param [Hash] options
+      def register(options = {})
+        ActiveFedora::RuntimeRegistry.solr_service = new(options)
+      end
+
+      def reset!
+        ActiveFedora::RuntimeRegistry.solr_service = nil
+      end
+
+      def select_path
+        ActiveFedora.solr_config.fetch(:select_path, 'select')
+      end
+
+      def instance
+        # Register Solr
+
+        register(ActiveFedora.solr_config) unless ActiveFedora::RuntimeRegistry.solr_service
+
+        ActiveFedora::RuntimeRegistry.solr_service
+      end
+
+      def get(query, args = {})
+        args = args.merge(q: query, qt: 'standard')
+        SolrService.instance.conn.get(select_path, params: args)
+      end
+
+      def post(query, args = {})
+        args = args.merge(q: query, qt: 'standard')
+        SolrService.instance.conn.post(select_path, data: args)
+      end
+
+      def query(query, args = {})
+        unless args.key?(:rows)
+          Base.logger.warn "Calling ActiveFedora::SolrService.get without passing an explicit value for ':rows' is not recommended. You will end up with
+Solr's default (usually set to 10)\nCalled by #{caller[0]}"
+        end
+        method = args.delete(:method) || :get
+
+        result = case method
+                 when :get
+                   get(query, args)
+                 when :post
+                   post(query, args)
+                 else
+                   raise "Unsupported HTTP method for querying SolrService (#{method.inspect})"
+                 end
+        result['response']['docs'].map do |doc|
+          ActiveFedora::SolrHit.new(doc)
+        end
+      end
+
+      def delete(id)
+        SolrService.instance.conn.delete_by_id(id, params: { 'softCommit' => true })
+      end
+
+      # Get the count of records that match the query
+      # @param [String] query a solr query
+      # @param [Hash] args arguments to pass through to `args' param of SolrService.query (note that :rows will be overwritten to 0)
+      # @return [Integer] number of records matching
+      def count(query, args = {})
+        args = args.merge(rows: 0)
+        SolrService.get(query, args)['response']['numFound'].to_i
+      end
+
+      # @param [Hash] doc the document to index, or an array of docs
+      # @param [Hash] params
+      #   :commit => commits immediately
+      #   :softCommit => commit to memory, but don't flush to disk
+      def add(doc, params = {})
+        SolrService.instance.conn.add(doc, params: params)
+      end
+
+      def commit
+        SolrService.instance.conn.commit
+      end
+    end
+  end # SolrService
+end # ActiveFedora