Fix Ohm definition to set the right key

lib/weather-model/source_schema.rb

@@ -20,7 +20,7 @@ module WeatherModel
       },
       options: {
         index: [:cityname],
-        expire: 5,
+        expire: 1,
         unique: :mysql_id,
         father: nil,
         son: nil,

lib/weather-model/storer.rb

@@ -8,10 +8,19 @@ module WeatherModel
       after_save :update_ohm
       def self.use_settings settings
         self.table_name = settings[:table_name]
-        Ohm.use_settings settings
+        self.define_ohm settings
       end
 
-      class Ohm < ::Ohm::Model
+
+      def self.define_ohm settings
+        const_set('Ohm', Class.new(SourceOhm)).use_settings(settings)
+      end
+
+      def get_ohm
+        self.class.const_get('Ohm')
+      end
+
+     class SourceOhm < ::Ohm::Model
           include ::Ohm::Expire
           def self.use_settings settings
 
@@ -28,6 +37,17 @@ module WeatherModel
                 method(option).call(attrs) if attrs
             end
           end
+          # ohm-expire 只处理了create
+          # 而且 只把 attributes 的值给 TTL了。。。
+          def update attributes
+            obj = super(attributes)
+            obj.update_ttl self.class.instance_variable_get(:@expire)
+          end
+
+          # def self.all_valid
+          #   self.all.to
+          # end
+          
 
         private
           def self.son his_son # input like :Post
@@ -41,11 +61,12 @@ module WeatherModel
           end
         end
 
+
     private
       def update_ohm
         ohm_attrs = self.attributes.except('created_at', 'id').merge(mysql_id: id)
         # find 找不到 会自动生成
-        ohm_obj = Ohm.find(mysql_id: id).first.update(ohm_attrs)
+        ohm_obj = get_ohm.find(mysql_id: id).first.try(:update, ohm_attrs) || get_ohm.create(ohm_attrs)
         # rescue  Ohm::UniqueIndexViolation mysql_id should be unique
       end   
     end

spec/weather-model_spec.rb

@@ -35,13 +35,23 @@ RSpec.describe WeatherModel do
         })
     expect(Forecast::ShanghaiTen.count).to eq(1)
     expect(Forecast::ShanghaiTen::Ohm.all.count).to eq(1)
-
     expect(Forecast::ShanghaiTen::Ohm.all.first.temp_low).to eq(mysql_obj.temp_low.to_s)
+    # expect(Forecast::ShanghaiTen::Ohm.all.first.get_ttl).to eq(5)
     # 'ohm 对象 同步 mysql对象更新'
     mysql_obj.update(temp_low: 99)
     expect(Forecast::ShanghaiTen::Ohm.all.first.temp_low).to eq('99'), 'ohm 对象 同步 mysql对象更新'
-    # ttl 失败
-    # p Forecast::ShanghaiTen::Ohm.all.to_a.map(&:get_ttl)
+    # p Forecast::ShanghaiTen::Ohm.all.first.get_ttl
+    # sleep 4 
+    # expect(Forecast::ShanghaiTen::Ohm.all.count).to eq(1)
+    p Forecast::ShanghaiTen::Ohm.all.first.key
+    # sleep 2
+    p 
+    p Ohm.redis.call('KEYS', '*ShanghaiTen*')
+    # p Ohm.redis.call('HGETALL', 'Forecast::ShanghaiTen::Ohm:indices:cityname:shanghai')
+    # p Forecast::ShanghaiTen::Ohm.find(mysql_id: mysql_obj.id).to_a
+    # expect(Forecast::ShanghaiTen::Ohm.find(mysql_id: mysql_obj.id)).to eq(0)
+
+    
 
   end