amatista
Amatista 
This is a web framework build in Crystal to create quick applications.
Shard file
shard.yml
name: myapp
version: 0.0.1
dependencies:
amatista:
github: werner/amatista
Basic Usage
require "amatista"
class HelloWorldController < Amatista::Controller
get "/" do
html = %(<h1> Hello World </h1>)
respond_to(:html, html)
end
end
class Main < Amatista::Base
configure do |conf|
conf[:secret_key] = "secret"
end
end
app = Main.new
app.run 3000
Callbacks
class ApplicationController < Amatista::Controller
#It will be a redirection if the condition is fulfilled,
#it should not be a session with a key user_id for the redirect to works
before_filter(condition: -> { !get_session("user_id") }) do
redirect_to("/sessions/new")
end
end
View System
class HelloWorldController < Amatista::Controller
get "/tasks" do
tasks = Task.all
# You're going to need a LayoutView class as
# a layout for set_view method to work
respond_to(:html, IndexView.new(tasks).set_view)
end
get "/tasks.json" do
tasks = Task.all
respond_to(:json, tasks.to_s.to_json)
end
end
class LayoutView < Amatista::BaseView
def initialize(@include)
end
set_ecr "layout"
end
class IndexView < Amatista::BaseView
def initialize(@tasks)
end
def tasks_count
@tasks.count
end
set_ecr "index"
end
#Views:
#layout.ecr
<html>
<head>
<title>Todo App</title>
<link rel="stylesheet" type="text/css" href="/app/assets/stylesheets/bootstrap-theme.min.css" media="all">
<link rel="stylesheet" type="text/css" href="/app/assets/stylesheets/bootstrap.min.css" media="all">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-xs-8">
<%= @include %>
</div>
</div>
</div>
<script src="/app/assets/javascripts/jquery-2.1.3.min.js"></script>
<script src="/app/assets/javascripts/main.js"></script>
<script src="/app/assets/javascripts/bootstrap.min.js"></script>
</body>
</html>
#index.ecr
<div class="panel panel-success">
<div class="panel-heading">
<h2 class="panel-title">Todo Tasks</h2>
</div>
<div class="panel-body">
<table class="table">
<tbody>
<% @tasks.each do |task| %>
<tr>
<td>
<%= check_box_tag(:task, "id#{task[0]}", task[0], task[2], { class: "checkTask" }) %>
<%= label_tag("task_id#{task[0]}", task[1].to_s) %>
</td>
<td>
<%= link_to("Edit", "/tasks/edit/#{task[0]}", { class: "btn btn-success btn-xs" }) %>
</td>
<td>
<%= link_to("Delete", "/tasks/delete/#{task[0]}", { class: "del btn btn-danger btn-xs" }) %>
</td>
<tr>
<% end %>
<tbody>
</table>
<%= link_to("New Task", "/tasks/new", { class: "btn btn-info btn-xs" } ) %>
<%= label_tag("total", "Total: #{tasks_count}" ) %>
</div>
</div>
Example
Contributing
- Fork it ( https://github.com/werner/amatista/fork )
- Create your feature branch (git checkout -b my-new-feature)
- Commit your changes (git commit -am 'Add some feature')
- Push to the branch (git push origin my-new-feature)
- Create a new Pull Request