Merge branch 'lan/basic_frame' into 'master'

.gitignore

@@ -7,6 +7,6 @@
 /pkg/
 /spec/reports/
 /tmp/
-
+/*.sqlite3
 # rspec failure tracking
 .rspec_status

CODE_OF_CONDUCT.md

@@ -55,7 +55,7 @@ further defined and clarified by project maintainers.
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at liyijie825@gmail.com. All
+reported by contacting the project team at mumumumushu@gmail.com. All
 complaints will be reviewed and investigated and will result in a response that
 is deemed necessary and appropriate to the circumstances. The project team is
 obligated to maintain confidentiality with regard to the reporter of an incident.

LICENSE.txt

 The MIT License (MIT)
 
-Copyright (c) 2017 liyijie
+Copyright (c) 2017 Ivan Lan
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -22,7 +22,10 @@ Or install it yourself as:
 
 ## Usage
 
-TODO: Write usage instructions here
+Create migration files as:
+
+    $ rake weather_model_engine:install:migrations
+
 
 ## Development
 

db/migrate/1_create_forecasts.rb

+class CreateForecasts < ActiveRecord::Migration[5.0]
+  def up
+    create_table :forecasts do |t|
+      t.datetime :datetime
+      t.integer :temp_low
+      t.integer :temp_high
+      t.string :weather_text
+      t.string :weather_pic
+      t.string :cityname
+      t.string :win_dir
+      t.string :win_speed
+
+      t.timestamps
+    end
+# 两个index 一起查询会不会导致其中一个作用几乎消失
+# 需不需要按城市来分表
+    add_index :forecasts, :cityname
+    add_index :forecasts, :datetime
+  end
+
+  def down
+    drop_table :forecasts
+  end
+end

lib/weather-model.rb

+require 'weather-model/version'
+module WeatherModel
+
+  Dir[File.dirname(__FILE__) + '/weather-model/*.rb'].each { |file| require file }
+  require 'factory_girl_rails'
+  
+  def self.included base
+    WeatherModel::SourceSchema.sorts.each { |sort| Object.const_set(sort, Module.new)}
+    WeatherModel::SourceSchema.constants.each do |source|
+      settings = SourceSchema.const_get(source)
+      Object.const_get(settings[:sort]).const_set("#{source.to_s.gsub('_', '::')}", Class.new(Storer::Mysql)).use_settings(settings)
+    end 
+  end
+end

lib/weather-model/engine.rb

+module WeatherModel
+  require 'rails/engine'
+  class Engine < ::Rails::Engine
+  end
+end
\ No newline at end of file

lib/weather-model/redic.rb

+class Redic
+  def expire(key, ttl)
+    self.call("EXPIRE", key, ttl)
+  end
+
+  def ttl(key)
+    self.call("TTL", key)
+  end
+end
\ No newline at end of file

lib/weather-model/source_schema.rb

+module WeatherModel
+  module SourceSchema
+
+    def self.sorts
+      ['Forecast']
+    end
+
+    ShanghaiTen = {
+      sort: 'Forecast',
+      table_name: :forecasts,
+      schema: {
+        datetime: :datetime,
+        cityname: :string,
+        temp_high: :string,
+        temp_low: :string,
+        weather_text: :string,
+        weather_pic: :string,
+        win_dir: :string,
+        win_speed: :string,
+      },
+      options: {
+        index: [:cityname],
+        expire: 1,
+        unique: :mysql_id,
+        father: nil,
+        son: nil,
+        
+      },
+      factory_name: :forecast_shanghai_ten,
+      factory: {
+        datetime: '2017-05-16',
+        cityname: 'shanghai',
+        temp_high: '100',
+        temp_low: '0',
+        weather_text: '酷热严寒',
+        weather_pic: 'http://xxx.com',
+        win_dir: '东南西北风',
+        win_speed: '1级',
+      }
+    }
+  end    
+end
+

lib/weather-model/storer.rb

+module WeatherModel
+  module Storer
+    require 'active_record'
+    require 'ohm'
+    require "ohm/expire"
+
+    class Mysql < ::ActiveRecord::Base
+      after_save :update_ohm
+      def self.use_settings settings
+        self.table_name = settings[:table_name]
+        define_ohm settings
+        define_factory settings
+      end
+
+
+      def self.define_ohm settings
+        const_set('Ohm', Class.new(SourceOhm)).use_settings(settings)
+      end
+
+      def self.define_factory settings
+        model_name = self
+        ::FactoryGirl.define do
+          factory settings[:factory_name], class: model_name do
+            settings[:factory].each_pair{ |key, val| send(key, val) }
+          end
+        end
+      end
+
+      def get_ohm
+        self.class.const_get('Ohm')
+      end
+
+     class SourceOhm < ::Ohm::Model
+          include ::Ohm::Expire
+          def self.use_settings settings
+
+            attribute :mysql_id
+            attribute :updated_at
+            index :mysql_id
+            settings[:schema].keys.each { |attr|
+              attribute attr
+            }
+            [:index, :unique, :expire, :son, :dad].each do |option|
+              attrs = settings[:options][option]
+              attrs.is_a?(Array) ?
+                attrs.each{ |attr| method(option).call(attr) if attr } :
+                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
+            super.select{ |x| x.attributes.empty?}.map(&:delete)
+            super
+          end
+          
+
+        private
+          def self.son his_son # input like :Post
+            # collection :posts, :Post
+            collection(his_son.to_s.underscore.pluralize.to_sym, his_son) if his_son && SourceSchema.const_defined?(his_son)
+          end
+
+          def self.dad his_dad # input like :Post
+            # reference :post, :Post
+            reference(his_dad.to_s.underscore.to_sym, his_dad ) if his_dad && SourceSchema.const_defined?(his_dad)
+          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 = 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
+
+
+   
+  end
+end

lib/weather/model/version.rb → lib/weather-model/version.rb

-module Weather
-  module Model
-    VERSION = "0.1.0"
-  end
+module WeatherModel
+  VERSION = "0.1.0"
 end

lib/weather/model.rb

-require "weather/model/version"
-
-module Weather
-  module Model
-    # Your code goes here...
-  end
-end

spec/spec_helper.rb

 require "bundler/setup"
-require "weather/model"
+require "weather-model"
+require 'rails'
+require 'support/factory_girl'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure

spec/support/factory_girl.rb

+RSpec.configure do |config|
+  config.include FactoryGirl::Syntax::Methods
+end
+
+# RSpec without Rails
+RSpec.configure do |config|
+  config.include FactoryGirl::Syntax::Methods
+
+  config.before(:suite) do
+    FactoryGirl.find_definitions
+  end
+end
\ No newline at end of file

spec/weather-model_spec.rb

+require "spec_helper"
+require 'active_record'
+require "ohm"
+
+RSpec.describe WeatherModel do
+  include WeatherModel
+  before do
+    # start an ohm
+    Ohm.redis = Redic.new("redis://127.0.0.1:6379/5")
+    # run migration
+    Dir[File.dirname(__FILE__) + '/../db/migrate/*.rb'].each { |file| require  file }
+    ActiveRecord::Base.establish_connection(
+      :adapter => 'sqlite3',
+      :database => 'weather-model-test.sqlite3'
+    )
+    ActiveRecord::Migration[5.0].subclasses.each do |migrate|
+      migrate.migrate(:up) 
+    end
+  end
+
+  it "has a version number" do
+    expect(WeatherModel::VERSION).not_to be nil
+  end
+
+  describe 'test factory_girl' do
+    before do
+      @obj = create(:forecast_shanghai_ten)  
+    end
+
+    it 'Test factory_girl' do
+      expect(@obj.class).to eq(Forecast::ShanghaiTen), 'factory_girl 生成成功'
+    end
+    
+  end
+
+  it 'Forecast' do
+    @expire = 1
+    Forecast::ShanghaiTen::Ohm.expire @expire
+    mysql_obj = Forecast::ShanghaiTen.create({
+          datetime: '2017-05-16',
+          cityname: 'shanghai',
+          temp_high: '100',
+          temp_low: '0',
+          weather_text: '酷热严寒',
+          weather_pic: 'http://xxx.com',
+          win_dir: '东南西北风',
+          win_speed: '1级',
+        })
+    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(@expire)
+    # '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'
+    sleep 1.5
+    expect(Forecast::ShanghaiTen::Ohm.all.count).to eq(0), 'TTL过期对象删除成功'
+  end
+
+  after do
+    ActiveRecord::Migration[5.0].subclasses.each do |migrate|
+      migrate.migrate(:down) 
+    end 
+  end
+
+end

spec/weather/model_spec.rb

-require "spec_helper"
-
-RSpec.describe Weather::Model do
-  it "has a version number" do
-    expect(Weather::Model::VERSION).not_to be nil
-  end
-
-  it "does something useful" do
-    expect(false).to eq(true)
-  end
-end

weather-model.gemspec

 # coding: utf-8
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
-require 'weather/model/version'
+require 'weather-model/version'
 
 Gem::Specification.new do |spec|
   spec.name          = "weather-model"
-  spec.version       = Weather::Model::VERSION
-  spec.authors       = ["liyijie"]
-  spec.email         = ["liyijie825@gmail.com"]
+  spec.version       = WeatherModel::VERSION
+  spec.authors       = ["Ivan Lan"]
+  spec.email         = ["mumumumushu@gmail.com"]
 
-  spec.summary       = %q{TODO: Write a short summary, because Rubygems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.summary       = %q{Weather Model}
+  spec.description   = %q{Weather Model}
+  spec.homepage      = "https://git.tallty.com/weather/weather-model"
   spec.license       = "MIT"
 
   # Prevent pushing this gem to RubyGems.org. To allow pushes either set the 'allowed_push_host'
   # to allow pushing to a single host or delete this section to allow pushing to any host.
   if spec.respond_to?(:metadata)
-    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
+    spec.metadata['allowed_push_host'] = "https://git.tallty.com/weather/weather-model"
   else
     raise "RubyGems 2.0 or newer is required to protect against " \
       "public gem pushes."
@@ -30,7 +30,19 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  # Object-Hash Mapping for Redis
+  # https://github.com/soveran/ohm
+  spec.add_dependency 'ohm'
+  # Ohm plugin that exposes ttl control over modules
+  # https://github.com/joseairosa/ohm-expire
+  spec.add_dependency 'ohm-expire'
+
+  spec.add_dependency 'activerecord'
+  spec.add_dependency 'factory_girl_rails'
+
   spec.add_development_dependency "bundler", "~> 1.14"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
+  spec.add_development_dependency "sqlite3"
+  spec.add_development_dependency 'rspec-rails'
 end