{"id":173,"date":"2018-11-23T16:33:20","date_gmt":"2018-11-23T16:33:20","guid":{"rendered":"https:\/\/oidema-jp.com\/media\/2018-11-23-163320\/"},"modified":"2018-11-23T16:33:20","modified_gmt":"2018-11-23T16:33:20","slug":"2018-11-23-163320","status":"publish","type":"post","link":"https:\/\/oidema-jp.com\/media\/2018-11-23-163320\/","title":{"rendered":"\u3010Rails\u3011View\u306e\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\uff12"},"content":{"rendered":"<h2 id=\"i-0\"><a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%EA%A5%D5%A5%A1%A5%AF%A5%BF%A5%EA%A5%F3%A5%B0\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a>\u3068\u306f<\/h2>\n<blockquote>\n<p><a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%EA%A5%D5%A5%A1%A5%AF%A5%BF%A5%EA%A5%F3%A5%B0\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a> (refactoring) \u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5916\u90e8\u304b\u3089\u898b\u305f\u52d5\u4f5c\u3092\u5909\u3048\u305a\u306b<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%BD%A1%BC%A5%B9%A5%B3%A1%BC%A5%C9\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/a>\u306e\u5185\u90e8\u69cb\u9020\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n<\/blockquote>\n<p><a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%83%AA%E3%83%95%E3%82%A1%E3%82%AF%E3%82%BF%E3%83%AA%E3%83%B3%E3%82%B0_(%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%9F%E3%83%B3%E3%82%B0\">wiki~\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a><\/p>\n<p>\u306a\u3093\u306e\u305f\u3081\u306b\u3084\u308b\u306e\u304b\uff08\u5c0f\u50e7\u4e3b\u89b3\uff09<\/p>\n<ul>\n<li>\u4ed6\u306e\u4eba\u304c\u898b\u3066\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\uff08\u898b\u901a\u3057\u3092\u3088\u304f\u3059\u308b\uff09<\/li>\n<li>\u30b3\u30fc\u30c9\u3092\u518d\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081<\/li>\n<\/ul>\n<h3 id=\"i-1\">Rail\u306b\u304a\u3051\u308b\u5177\u4f53\u7684\u306a<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%EA%A5%D5%A5%A1%A5%AF%A5%BF%A5%EA%A5%F3%A5%B0\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a>\uff08View\uff09<\/h3>\n<p>\u4e0b\u8a18\u3001View\u306b\u540c\u3058\u3088\u3046\u306a\u51e6\u7406\u304c\u8907\u6570\u3042\u3063\u305f\u3068\u3059\u308b\u3002<\/p>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\">&lt;% <span class=\"synStatement\">if<\/span> user_signed_in? %&gt;\n&lt;% <span class=\"synStatement\">if<\/span> current_user == <span class=\"synIdentifier\">@article<\/span>.user %&gt;\n&lt;%= link_to <span class=\"synSpecial\">\"<\/span><span class=\"synConstant\">\u7de8\u96c6<\/span><span class=\"synSpecial\">\"<\/span>, edit_article_path(<span class=\"synIdentifier\">@article<\/span>) %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n<\/pre>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\">&lt;% <span class=\"synStatement\">if<\/span> user_signed_in? %&gt;\n&lt;% <span class=\"synStatement\">if<\/span> current_user == <span class=\"synIdentifier\">@comment<\/span>.user %&gt;\n&lt;%= link_to <span class=\"synSpecial\">\"<\/span><span class=\"synConstant\">\u7de8\u96c6<\/span><span class=\"synSpecial\">\"<\/span>, edit_comment_path(<span class=\"synIdentifier\">@comment<\/span>) %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n<\/pre>\n<p>\u7e70\u308a\u8fd4\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b5\u30a4\u30f3\u30a4\u30f3\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3001<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%A4%A5%F3%A5%B9%A5%BF%A5%F3%A5%B9\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9<\/a>\u306b\u7d10\u3065\u3044\u305f\u30e6\u30fc\u30b6ID\u304c\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6ID\u3068\u540c\u3058\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3001<\/p>\n<p>\u3053\u3061\u3089\u3092\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b<a class=\"keyword\" href=\"http:\/\/d.hatena.ne.jp\/keyword\/%A5%EA%A5%D5%A5%A1%A5%AF%A5%BF%A5%EA%A5%F3%A5%B0\">\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0<\/a>\u3059\u308b\u3002<\/p>\n<p><b>helper\/application_helper.rb<\/b>  \u2190\u3000\u3053\u308c\u3092\u7de8\u96c6<\/p>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\"><span class=\"synPreProc\">def<\/span> <span class=\"synIdentifier\">current_user_has?<\/span>(instance)\nuser_signed_in? &amp;&amp; current_user == instance.user\n<span class=\"synPreProc\">end<\/span>\n<\/pre>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\">&lt;% <span class=\"synStatement\">if<\/span> current_user_has?(<span class=\"synIdentifier\">@book<\/span>) %&gt;\n&lt;%= link_to <span class=\"synSpecial\">\"<\/span><span class=\"synConstant\">\u7de8\u96c6<\/span><span class=\"synSpecial\">\"<\/span>, edit_article_path(<span class=\"synIdentifier\">@book<\/span>) %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n<\/pre>\n<pre class=\"code lang-ruby\" data-lang=\"ruby\" data-unlink=\"\">&lt;% <span class=\"synStatement\">if<\/span> current_user_has?(<span class=\"synIdentifier\">@comment<\/span>) %&gt;\n&lt;%= link_to <span class=\"synSpecial\">\"<\/span><span class=\"synConstant\">\u7de8\u96c6<\/span><span class=\"synSpecial\">\"<\/span>, edit_comment_path(<span class=\"synIdentifier\">@comment<\/span>) %&gt;\n&lt;% <span class=\"synStatement\">end<\/span> %&gt;\n<\/pre>\n<p>\u306a\u3093\u304b\u8aac\u660e\u3092\u307f\u306a\u304c\u3089\u30b9\u30c3\u30ad\u30ea\u3057\u305f\u306e\u3067\u3053\u3061\u3089\u3082\u30e1\u30e2\u3057\u3066\u304a\u3044\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u3068\u306f \u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0 (refactoring) \u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5916\u90e8\u304b\u3089\u898b\u305f\u52d5\u4f5c\u3092\u5909\u3048\u305a\u306b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u5185\u90e8\u69cb\u9020\u3092\u6574\u7406\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3002 wiki~\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"footnotes":""},"categories":[21],"tags":[],"class_list":{"0":"post-173","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rails","7":"entry","8":"nothumb"},"acf":[],"aioseo_notices":[],"mb":[],"mfb_rest_fields":["title","aioseo_notices"],"_links":{"self":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/comments?post=173"}],"version-history":[{"count":0,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/posts\/173\/revisions"}],"wp:attachment":[{"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/media?parent=173"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/categories?post=173"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oidema-jp.com\/media\/wp-json\/wp\/v2\/tags?post=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}