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Compojure、lib-noirを使ってフォームバリデーション
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(ns helloworld.handler | |
(:use compojure.core) | |
(:require [compojure.handler :as handler] | |
[compojure.route :as route] | |
[hiccup.form :as form] | |
[hiccup.core :refer [html]] | |
[noir.validation :as vali])) | |
;; レイアウト | |
(defn layout [& content] | |
(html | |
[:head [:title "Form validation using lib-noir."]] | |
[:body | |
content])) | |
;; エラーメッセージ | |
(defn error-message [[first-error]] | |
[:span.error first-error]) | |
;; 日付・時刻をPOSTするフォーム | |
(defn date-time-form [& [{:keys [date time]}]] | |
(layout | |
(form/form-to | |
[:post "."] | |
[:div | |
(form/label "date" "日付") | |
(form/text-field "date" date) | |
;; バリデーション失敗時はエラーメッセージ | |
(vali/on-error :date error-message)] | |
[:div | |
(form/label "time" "時刻") | |
(form/text-field "time" time) | |
;; バリデーション失敗時はエラーメッセージ | |
(vali/on-error :time error-message)] | |
[:div (form/submit-button "送信")]))) | |
;;日付チェック用正規表現 | |
(def regex-date-pattern | |
(re-pattern "^\\d{4}/(1[0-2]|0?[1-9])/(0?[1-9]|[1-2][0-9]|3[01])$")) | |
;;時刻チェック用正規表現 | |
(def regex-time-pattern | |
(re-pattern "^([01]?[0-9]|2[0-3]):([0-5][0-9])$")) | |
;;POSTデータのバリデーションルール | |
(defn valid-date-time? [{:keys [date time]}] | |
;; dateをバリデート | |
(vali/rule (re-matches regex-date-pattern date) | |
;; 失敗したら :date にエラーメッセージ追加 | |
[:date "日付を入力してください(yyyy/MM/dd)"]) | |
;; timeをバリデート | |
(vali/rule (re-matches regex-time-pattern time) | |
;; 失敗したら :time にエラーメッセージ追加 | |
[:time "時刻を入力してください(HH:mm)"]) | |
;; バリデーション結果を返す | |
(not (vali/errors? :date :time))) | |
;; POSTされた値を表示 | |
(defn show-date-time [{:keys [date time]}] | |
(layout | |
[:p (str "日付は「" date "」です。")] | |
[:p (str "時刻は「" time "」です。")])) | |
(defroutes app-routes | |
(GET "/" [] (date-time-form)) | |
(POST "/" {param :params} | |
(if (valid-date-time? param) | |
;; バリデーション成功 | |
(show-date-time param) | |
;; バリデーション失敗 | |
(date-time-form param))) | |
(route/not-found "Not Found")) | |
(def app | |
(-> app-routes | |
;;バリデーション用ミドルウェア | |
vali/wrap-noir-validation | |
handler/site)) |
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(defproject helloworld "0.1.0-SNAPSHOT" | |
:description "FIXME: write description" | |
:url "http://example.com/FIXME" | |
:dependencies [[org.clojure/clojure "1.4.0"] | |
[compojure "1.1.5"] | |
[lib-noir "0.4.6"] | |
[hiccup "1.0.2"]] | |
:plugins [[lein-ring "0.8.2"]] | |
:ring {:handler helloworld.handler/app} | |
:profiles | |
{:dev {:dependencies [[ring-mock "0.1.3"]]}}) |
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