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Last active December 14, 2015 07:09
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Compojure、Kormaを使ってSQLiteデータベースから読み出した値を表示。
(ns helloworld.handler
(:require [compojure.core :refer :all]
[compojure.handler :as handler]
[compojure.route :as route]
[korma.db :refer [defdb sqlite3]]
[korma.core :as korma]
[hiccup.core :refer [html]]))
;;データベース定義
(defdb db (sqlite3
;;データベースファイルのパスを指定
{:db "db/helloworld.sqlite3"}))
;;itemsテーブルに対応するEntity定義
(korma/defentity items)
;;itemsテーブルから全てのレコードを読み出し
(def all-items (korma/select items))
;;htmlのリストに変換する関数
(defn to-html [items]
(html
[:head [:title "Access DB using Korma."]]
[:body
[:ul
(map (fn [i] [:li (:title i)]) items)]]))
(defroutes app-routes
;;データベースから読みだしたレコードをリストに変換して表示
(GET "/" [] (to-html all-items))
(route/not-found "Not Found"))
(def app
(handler/site app-routes))
(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"]
[org.xerial/sqlite-jdbc "3.7.2"]
[korma "0.3.0-RC2"]
[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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