crud
As a developer, I want to be able to describe a resource's high-level details like data data integrity, associations, documentation etc. and have a system that builds a corresponding API and user interface so that I can focus on tooling for higher value activities like integration with other systems or data analysis.
Basic Example
The following program implements a "tweet" API with the following features
- GET/POST/PATCH/DELETE "tweets" with :created_at, :authored_by and :msg attributes
- For POST and PATCH, ensure that :msg is <144 characters
- GET a list of tweets matching the specified parameters
- GET "/api/doc" for swagger documentation for the Tweet and User resources
- When persisting the User resource, :secret is filtered through the bcrypt algorithm
(ns crud.twitter
(:require [crud :refer :all]
[prismatic.schema :as s]))
(defentity User
:schema {:id s/Int
:email s/Str
:name s/Str
:secret s/Str}
:uniqueness {:id :db.unique/identity})
(defentity Tweet
:schema {:id s/Int
:created-at Date
:msg s/Str}
:links [(link :authored-by [User :id])]
:uniqueness {:id :db.unique/identity})
(let [entities [User Tweet]
db (crud-db {:type :datomic
:uri "datomic:mem://tweet-db"
:entities entities})]
(run-jetty (hypercrud {:db db, :entities entities})
{:port 3000}))
OK. Lets make sure we're not flagrently violating security principles by storing the secret in plain text. The example below encrypts the :secret attribute before persisting it to storage
(ns crud.twitter
(:require [crypto.password.bcrypt :as password]
[prismatic.schema :as s]))
(defn encrypt [attr] (fn [params]
(password/encrypt (attr params))))
(defentity Tweet
:schema {:id s/Int
:created-at Date
:authored-by User
:msg s/Str}
:links [(link :authored-by [User :id])]
:storage [:email :name (encrypt :secret)]}
License
Copyright © 2014 Andy Chambers
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