YADM

A simple Clojure library for data mapping where it's possible to define associations, validations and callbacks.

Warning

The current version it's not production ready yet and the APIs might change in the next interations.

Build

Leiningen

Usage

(ns example.core
  (:require [yadm.core :as yadm]
            [yadm.dmi.default :as ydmi]))

(def db-spec
  {:classname   "org.postgresql.Driver"
   :subprotocol "postgresql"
   :subname     "//localhost:5432/a_db_name"
   :user        "an-user"
   :password    "a-password"})

(def dmi
  (ydmi/default-dmi db-spec))

(yadm/defdatamapper User
  :validations
  {:name  [[:required]]
   :email [[:required]
           [:format :with #"\S+@\S+\.\S+"]]}

  :associations
  [[:has-many :product]]

  :after-create [send-welcome-email])

(yadm/defdatamapper Product
  :validations
  {:name      [[:required]]
   :price     [[:required]
               [:range :min 0]]
   :condition [[:required]
               [:in :set #{"new" "used"}]]}

  :associations
  [[:belongs-to :user]])

(yadm/find-where dmi
                 User
                 [:= :id 1]
                 {:columns  [:id]
                  :includes [[Product {:as      :items
                                       :columns [:name :price]}]]})

(yadm/create! dmi
              User {:name  "Test"
                    :email "test@test.com"})

License

Copyright © 2019 Thiago Lewin

Distributed under the Eclipse Public License either version 1.0 or any later version.