Commit e062c55

@@ -6,7 +6,13 @@ module Humble
 
     def prepare_insert(item)
       return {} if primary_key?
-      key = @attributes[:name]
+      key = column_name
+      value = item.instance_variable_get("@#{key}")
+      { key.to_sym => value }
+    end
+
+    def prepare_update(item)
+      key = column_name
       value = item.instance_variable_get("@#{key}")
       { key.to_sym => value }
     end
@@ -14,5 +20,13 @@ module Humble
     def primary_key?
       @attributes[:primary_key]
     end
+
+    def column_name
+      @attributes[:name]
+    end
+
+    def default
+      @attributes[:default]
+    end
   end
 end

@@ -6,6 +6,7 @@ module Humble
       @columns = []
     end
 
+    # configuration methods
     def named(name)
       @name = name
     end
@@ -23,5 +24,23 @@ module Humble
         result.merge(column.prepare_insert(item))
       end
     end
+
+    def update(item)
+      @columns.inject({}) do |result, column|
+        result.merge(column.prepare_update(item))
+      end
+    end
+
+    # query methods
+
+    def has_default_value?(item)
+      primary_key_column.default == item.id
+    end
+
+    private
+
+    def primary_key_column
+      @columns.find { |x| x.primary_key? }
+    end
   end
 end

@@ -10,13 +10,11 @@ module Humble
     end
 
     def save_using(connection, item)
-      p @attributes
-      p @table
-      if item.id < 0
+      if  @table.has_default_value?(item)
         id = connection[@table.name].insert(@table.insert(item))
         item.instance_variable_set('@id', id)
       else
-        connection[@table.name].update(@table.insert(item))
+        connection[@table.name].update(@table.update(item))
       end
     end
 

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    humble (0.0.1374362429)
+    humble (0.0.1374363184)
       sequel
 
 GEM