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stympy/handler.rb

Created December 27, 2018 15:38
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Get a list of things from DynamoDB and render them in Lambda using Ruby
Raw
handler.rb
require 'aws-sdk-dynamodb'
require 'erb'
DB = Aws::DynamoDB::Client.new
Views = Hash[Dir['views/*'].map {|v| [ File.basename(v, '.html.erb').to_sym, ERB.new(File.read(v)) ] }]
def list(event:, context:)
@rows = DB.scan({ table_name: ENV['TABLE_NAME'] }).result.items
{ headers: { 'Content-type' => 'text/html' }, statusCode: 200, body: render { Views[:table].result(binding) } }
end
def render
Views[:layout].result(binding)
end
Raw
layout.html.erb
<html>
<head>
<title>A list</title>
</head>
<body>
<%= yield %>
</body>
</html>
Raw
table.html.erb
<h1>A List</h1>
<table>
<thead>
<tr>
<th>Name</th>
</tr>
</thead>
<tbody>
<% @rows.each do |row| %>
<tr>
<td><%= row['name'] %></td>
</tr>
<% end %>
</tbody>
</table>
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