Give up on .try

Fixes #56

lib/cipher.rb

@@ -59,7 +59,8 @@ def migrate_data!
 
     self.name = js.delete("Name")
     self.notes = js.delete("Notes")
-    self.fields = js.delete("Fields").try(:to_json)
+    f = js.delete("Fields")
+    self.fields = f ? f.to_json : nil
 
     if self.type == TYPE_LOGIN
       js["Uris"] = [

lib/dbmodel.rb

@@ -39,7 +39,7 @@ def all
 
     # transform ruby data into sql
     def cast_data_for_column(data, col)
-      if !@columns.try(:any?)
+      if !@columns || !@columns.any?
         raise "need to fetch columns but in a query"
       end
 
@@ -62,7 +62,7 @@ def clear_column_cache!
     end
 
     def fetch_columns
-      return if @columns.try(:any?)
+      return if (@columns && @columns.any?)
 
       @columns = {}
 
@@ -145,7 +145,7 @@ def set_table_name(table)
 
     # transform database data into ruby
     def uncast_data_from_column(data, col)
-      if !@columns.try(:any?)
+      if !@columns || !@columns.any?
         raise "need to fetch columns but in a query"
       end
 

lib/helper.rb

@@ -32,10 +32,6 @@ def blank?
   def present?
     false
   end
-
-  def try(*a, &b)
-    nil
-  end
 end
 
 class String