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bme280-web.rb
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bme280-web.rb
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require 'bundler'
Bundler.setup
require 'sinatra'
require 'sinatra/activerecord'
require 'sinatra/config_file'
require 'sinatra/reloader' if development?
require_relative 'models/tph_data'
class BME280Web < Sinatra::Base
register Sinatra::ConfigFile
# Load settings
config_file File.expand_path("config/settings-#{ENV.fetch('RACK_ENV', 'development')}.yml", File.dirname(__FILE__))
helpers do
def pack_src(name)
base = case
when settings.development?
config = settings.webpacker_dev_server
"http://#{config['host']}:#{config['port']}/"
else
'/'
end
"<script src=\"#{base}#{name}.js\" type=\"text/javascript\"></script>"
end
end
# Serve HTML
get '/' do
slim :index, layout: :application
end
# Get the latest records
get '/latest.json' do
content_type :json
s = (params[:s] || 5*60).to_i
@data = TphData.where('timestamp > ?', s.seconds.ago)
slim :data
end
# Get records in a time range
get '/range.json' do
content_type :json
begin
from = params[:from].to_datetime
to = params[:to].to_datetime
rescue => e
halt 400, e.message.to_json
end
@data = TphData.where('timestamp >= ? and timestamp <= ?', from, to)
slim :data
end
run! if __FILE__ == $0
end