Get Fitibt Access token bu oauth2 authentication.

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Get the code by setting up omniauth callback URL:-

redirect_to "https://www.fitbit.com/oauth2/authorize?response_type=code&client_id=#{ENV['FITBIT_CLIENT_ID']}&redirect_uri=#{$URL}%2Fauth%2Ffitbit_oauth2%2Fcallback%2F&scope=activity%20heartrate%20location%20nutrition%20profile%20settings%20sleep%20social%20weight&expires_in=604800"


You will get code in params[:code], then use this code in following script;-

uri = URI.parse("https://api.fitbit.com/oauth2/token")

        http = Net::HTTP.new(uri.host, uri.port)

        http.use_ssl = true

        request = Net::HTTP::Post.new(uri.request_uri)

        header_string =  Base64.encode64(("#{ENV['FITBIT_CLIENT_ID']}:#{ ENV['FITBIT_CONSUMER_SECRET']}"))

        request.set_form_data('clientId' => ENV['FITBIT_CLIENT_ID'], 'grant_type' => 'authorization_code', 'redirect_uri' => $URL + '/auth/fitbit_oauth2/callback/', 'code' => params[:code])

        request.initialize_http_header({"Authorization" => "Basic " + header_string, "Content-Type" => "application/x-www-form-urlencoded"})
        response = http.request(request)
       
        unless response.is_a?(Net::HTTPSuccess)
          flash[:notice] = 'We currently do not offer account linking with that'
            return redirect_to "/"
        end
        json = ActiveSupport::JSON.decode(response.body)
Experienced Ruby on Rails and Web Developer having 11+ years experience in Ruby & Ruby on Rails framework, TTD, Rspec. Expert on Git, SVN , Git Hook, Bitbucket. I use MySQL, MongoDB , PostgreSQL & Sqlite for Database Management. In front-end development I use HTML5 / HAML, CSS3 / SCSS, javascript / coffeescript. I also know about the deploy the applications on VPS Server i.e AWS EC2, Heroku, Ditital Ocean, Hostgator, Site5, BlueHost, AWS Load Balancing, Elastic Beanstalk, AWS S3 e.t.c ☆ Frameworks ☆ Ruby on Rails, Sinatra ☆ Database ☆ - PostgreSQL, MySQL, SQLite, - MongoDB, Amazon DynamoDB,AWS RDS. ☆ Front end Techniques ☆ - ReactJS, Angular js, Node js, Javascript, JQuery, HTML, CSS - Twitter Bootstrap, Coffeescript. Why hire me? * Master degree in Computer Science * 6 years professional experiences and 10+ projects completed * Available all day long, 7 days/24 hours * Good communication skills with fluent English * Self-motivated, fast-learner and "I can do" mind * Quality insurance and fast delivery

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