Handle nil name for entries (#1550)

* Handle nil name for entries

* Fix tests

app/models/account/data_enricher.rb

@@ -23,6 +23,8 @@ class Account::DataEnricher
       candidates.each do |entry|
         if entry.enriched_at.nil? || entry.entryable.merchant_id.nil? || entry.entryable.category_id.nil?
           begin
+            next unless entry.name.present?
+
             info = self.class.synth_provider.enrich_transaction(entry.name).info
 
             next unless info.present?
@@ -48,7 +50,7 @@ class Account::DataEnricher
               category.save! if category.present?
               entry.update!(
                 enriched_at: Time.current,
-                name: entry.enriched_at.nil? ? info.name : entry.name,
+                name: entry.enriched_at.nil? && info.name ? info.name : entry.name,
                 entryable_attributes: entryable_attributes
               )
             end

app/models/account/transaction.rb

@@ -49,7 +49,7 @@ class Account::Transaction < ApplicationRecord
   end
 
   def name
-    entry.name || "(no description)"
+    entry.name || (entry.amount.positive? ? "Expense" : "Income")
   end
 
   def eod_balance

app/models/account/valuation.rb

@@ -10,4 +10,8 @@ class Account::Valuation < ApplicationRecord
       false
     end
   end
+
+  def name
+    "Balance update"
+  end
 end