search_baseの仮組み

.gitignore

@@ -5,3 +5,4 @@ test/dummy/db/*.sqlite3
 test/dummy/log/*.log
 test/dummy/tmp/
 test/dummy/.sass-cache
+.DS_Store

lib/railstar.rb

@@ -1,7 +1,11 @@
 require 'railstar/engine'
 require 'railstar/code_holder'
+require 'railstar/search_base'
+
 require 'railstar/helper'
 ActionView::Base.send(:include, Railstar::Helper)
+require 'railstar/active_record_ext'
+ActiveRecord::Base.send(:include, Railstar::ActiveRecordExt)
 
 module Railstar
   def self.env

lib/railstar/active_record_ext.rb

@@ -0,0 +1,39 @@
+# encoding: utf-8
+module Railstar
+  module ActiveRecordExt
+    module ClassMethods
+      def truncation
+        return if self.count > 0
+        self.truncation!
+      end
+
+      def truncation!
+        table_name = self.to_s.underscore.pluralize
+        file_name = "#{table_name}.yml"
+        file_path = File.join(Rails.root, "resources", "db", file_name)
+        raise "#{file_path} file not found."  unless File.exist?(file_path)
+        self.transaction do
+          case self.connection.adapter_name
+          when "SQLite"
+            self.connection.execute("DELETE FROM `#{self.table_name}`")
+          else
+            self.connection.execute("TRUNCATE TABLE `#{self.table_name}`")
+          end
+          YAML.load_file(file_path).each do |key, value|
+            self.create value
+          end
+        end
+      end
+    end
+
+    module InstanceMethods
+    end
+
+    def self.included(base)
+      base.extend ClassMethods
+      base.class_eval do
+        include InstanceMethods
+      end
+    end
+  end
+end

lib/railstar/search_base.rb

@@ -0,0 +1,92 @@
+# -*- coding: utf-8 -*-
+module Railstar
+  class SearchBase
+    attr_accessor :where, :values
+
+    def initialize(hash)
+      self.where = []
+      self.values = {}
+      if hash
+        hash.each do |k,v|
+          send("#{k}=", v)
+        end
+      end
+    end
+
+    def to_params
+      ret = {}
+      TARGET_COLUMN.each do |c|
+        unless eval(c.to_s).blank?
+          ret[c] = eval(c.to_s)
+        end
+      end
+      return ret
+    end
+
+    def to_str_params
+      ret = to_params.map do |k,v|
+        begin
+          "#{k}=#{CGI.escape(v)}"
+        rescue
+        end
+      end
+      ret.join("&")
+    end
+
+    def base
+      create_conditions #TODO: 毎回条件作成をしないようにしたい
+      target_model.where([self.where.join(" AND "), values])
+    end
+
+    private
+    def like(method, options={})
+      value = eval(method.to_s)
+      unless value.blank?
+        column = options[:column] || method
+        self.where << "#{with_table_name(options[:table_name],column)} like :#{method}"
+        self.values[method] = "%#{value}%"
+      end
+    end
+
+    def eq(method, options={})
+      compare(method, "=", options)
+    end
+
+    def inc(method, options={})
+      value = eval(method.to_s)
+      value = value.split(",") if value.is_a?(String) && value.include?(",")
+      unless value.blank?
+        column = options[:column] || method
+        self.where << "#{with_table_name(options[:table_name],column)} in (:#{method})"
+        self.values[method] = value
+      end
+    end
+
+    def compare(method, sign, options={})
+      return unless sign =~ /^[<>=]{1,2}$/
+      value = eval(method.to_s)
+      unless value.blank?
+        column = options[:column] || method
+        self.where << "#{with_table_name(options[:table_name],column)} #{sign} :#{method}"
+        self.values[method] = value
+      end
+    end
+
+    def bit(method, options={})
+      value = eval(method.to_s)
+      unless value.blank?
+        column = options[:column] || method
+        self.where << "#{with_table_name(options[:table_name],column)} & :#{method} = :#{method}"
+        self.values[method] = value
+      end
+    end
+
+
+    def with_table_name table_name, method
+      ret = ""
+      ret << "#{table_name || target_model.table_name}." if table_name
+      ret << method.to_s
+      ret
+    end
+  end
+end

test/dummy/app/controllers/projects_controller.rb

@@ -5,7 +5,8 @@
 
 class ProjectsController < ApplicationController
   def index
-    @projects = Project.order("created_at desc").all
+    @search = Search::Project.new(params[:search])
+    @projects = @search.base.joins("inner join tasks on tasks.project_id = projects.id").order("created_at desc").group("projects.id").all
   end
 
   def show

test/dummy/app/controllers/tasks_controller.rb

@@ -1,83 +1,61 @@
+# -*- coding: utf-8 -*-
+# destroyメソッドに注意。モバイル対応＆テキストリンク利用のためイレギュラーなことをしている
+# restに対応した形を徹底したい場合は、削除確認ページへのリンクを以下の様に、formにする
+# <%= form_tag(Task_path(task, :mode => "draft"), :method=>:delete) do %><%= submit_tag "delete", :name => "delete" %><% end %>
+
 class TasksController < ApplicationController
-  # GET /tasks
-  # GET /tasks.json
   def index
-    @tasks = Task.all
-
-    respond_to do |format|
-      format.html # index.html.erb
-      format.json { render json: @tasks }
-    end
+    @search = Search::Task.new(params[:search])
+    @search.project_id = params[:project_id]
+    @tasks = @search.base.order("created_at desc").all
   end
 
-  # GET /tasks/1
-  # GET /tasks/1.json
   def show
     @task = Task.find(params[:id])
-
-    respond_to do |format|
-      format.html # show.html.erb
-      format.json { render json: @task }
-    end
+    render "destroy" if params[:mode] == "draft"
   end
 
-  # GET /tasks/new
-  # GET /tasks/new.json
   def new
-    @task = Task.new
-
-    respond_to do |format|
-      format.html # new.html.erb
-      format.json { render json: @task }
-    end
+    @task = Task.new(params[:task])
   end
 
-  # GET /tasks/1/edit
   def edit
     @task = Task.find(params[:id])
   end
 
-  # POST /tasks
-  # POST /tasks.json
   def create
     @task = Task.new(params[:task])
-
-    respond_to do |format|
-      if @task.save
-        format.html { redirect_to @task, notice: 'Task was successfully created.' }
-        format.json { render json: @task, status: :created, location: @task }
-      else
-        format.html { render action: "new" }
-        format.json { render json: @task.errors, status: :unprocessable_entity }
-      end
-    end
+    save
   end
 
-  # PUT /tasks/1
-  # PUT /tasks/1.json
   def update
     @task = Task.find(params[:id])
-
-    respond_to do |format|
-      if @task.update_attributes(params[:task])
-        format.html { redirect_to @task, notice: 'Task was successfully updated.' }
-        format.json { head :no_content }
-      else
-        format.html { render action: "edit" }
-        format.json { render json: @task.errors, status: :unprocessable_entity }
-      end
-    end
+    @task.attributes = params[:task]
+    save
   end
 
-  # DELETE /tasks/1
-  # DELETE /tasks/1.json
   def destroy
     @task = Task.find(params[:id])
-    @task.destroy
+    if params.key?("back")
+      redirect_to(task_url)
+    elsif params[:mode] != "draft"
+      @task.destroy
+      redirect_to(task_url, :notice => "deleted success.")
+    end
+  end
 
-    respond_to do |format|
-      format.html { redirect_to tasks_url }
-      format.json { head :no_content }
+
+  private
+  def save
+    if !params.key?("back") && @task.valid?
+      if params[:mode] == "draft"
+        render :action => 'confirm'
+      else
+        @task.save!
+        redirect_to task_path(@task), :notice => 'saved success.'
+      end
+    else
+      render (@task.new_record? ? :new : :edit)
     end
   end
 end

test/dummy/app/models/search/project.rb

@@ -0,0 +1,14 @@
+class Search::Project < Railstar::SearchBase
+  TARGET_COLUMN = %w(name like_name)
+  attr_accessor *TARGET_COLUMN
+
+  private
+  def create_conditions
+    eq(:name)
+    like(:like_name, column: :name, table_name: "tasks")
+  end
+
+  def target_model
+    ::Project
+  end
+end

test/dummy/app/models/search/task.rb

@@ -0,0 +1,18 @@
+class Search::Task < Railstar::SearchBase
+  TARGET_COLUMN = %w(name like_name status project_id from_price to_price)
+  attr_accessor *TARGET_COLUMN
+
+  private
+  def create_conditions
+    eq(:project_id)
+    eq(:name)
+    like(:like_name, column: :name)
+    inc(:status)
+    compare(:from_price, ">=", column: :price)
+    compare(:to_price, "<=", column: :price)
+  end
+
+  def target_model
+    ::Task
+  end
+end

test/dummy/app/views/general/index.html.erb

@@ -1 +1,2 @@
-<%= link_to "Railstar", railstar.root_path %>
+<%= link_to "Railstar", railstar.root_path %><br />
+<%= link_to "TestProject", projects_path %><br />

test/dummy/app/views/projects/index.html.erb

@@ -1,10 +1,16 @@
 <h1>Listing projects</h1>
 
+<%= form_tag(nil, :method => :get) do %>
+<%= label :search, :name %>:<%= text_field :search, :name %><br />
+<%= label :search, :like_name %>:<%= text_field :search, :like_name %><br />
+<%= submit_tag :search %>
+<% end %>
+
 <table>
   <thead>
     <tr>
-            <th>Name</th>
-            <th></th>
+      <th>Name</th>
+      <th></th>
       <th></th>
       <th></th>
     </tr>
@@ -14,9 +20,8 @@
   <tbody>
     <% @projects.each do |project| %>
     <tr>
-              <th>Name</th>
-        <td><%= project.name %></td>
-            <td><%= link_to 'Show', project %></td>
+      <td><%= link_to project.name, project_tasks_path(:project_id => project.id) %></td>
+      <td><%= link_to 'Show', project %></td>
       <td><%= link_to 'Edit', edit_project_path(project) %></td>
       <td><%= link_to 'Delete', project_path(project, :mode => "draft") %></td>
     </tr>

test/dummy/app/views/tasks/_detail.html.erb

@@ -0,0 +1,8 @@
+<table class="bordered-table zebra-striped">
+
+  <tr>
+    <th>Name</th>
+    <td><%= @task.name %></td>
+  </tr>
+
+</table>

test/dummy/app/views/tasks/_form.html.erb

@@ -1,29 +1,17 @@
-<%= form_for(@task) do |f| %>
-  <% if @task.errors.any? %>
-    <div id="error_explanation">
-      <h2><%= pluralize(@task.errors.count, "error") %> prohibited this task from being saved:</h2>
+<%= form_for(@task, :url => save_action(@task, :mode => "draft")) do |f| %>
+<% if @task.errors.any? %>
+<% @task.errors.full_messages.each do |msg| %>
+<p><%= msg %></p>
+<% end %>
+<% end %>
+
 
-      <ul>
-      <% @task.errors.full_messages.each do |msg| %>
-        <li><%= msg %></li>
-      <% end %>
-      </ul>
-    </div>
-  <% end %>
+<table class="bordered-table zebra-striped">
+    <tr>
+    <th><%= f.label :name %></th>
+    <td><%= f.text_field :name %></td>
+  </tr>
+</table>
 
-  <div class="field">
-    <%= f.label :name %><br />
-    <%= f.text_field :name %>
-  </div>
-  <div class="field">
-    <%= f.label :project_id %><br />
-    <%= f.number_field :project_id %>
-  </div>
-  <div class="field">
-    <%= f.label :status %><br />
-    <%= f.number_field :status %>
-  </div>
-  <div class="actions">
-    <%= f.submit %>
-  </div>
+<%= f.submit :class => "btn primary" %>
 <% end %>