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Generating reports in rails and improving queries, add views/roles

Hello, I need to finish the generation of some reports, add some views/roles, and improve the code of the already finished parts.

Whole system is in Spanish, so its good if you have some knowledge of this language. I will provide PDF versions of the reports I need to generate.

The system consist on generating tests for Schools, students answer the test and we generate reports with this results.

This project has 4 parts :

1. Finishing Client roles part : ADMIN roles already done, I need to add Client views and roles, and show reports depending on certain conditions. Depending on the user type (admin or client) should show Client or admin menu. This views have some things to add like feedback form and contact form (feedback models are done, I need the form and logic only), detailed in attached file.

2. Add "consolidate and comparative" reports views using ajax-datatables gem (the whole system is developed by this way so you can take the example).

3. Generate reports in PDF , I already generated all individual reports, but now I need to implement some comparative and consolidate reports. Example : "Performance of all evaluations of a school" PDFs with details will be provided.

4. Optimize the controller of individual reports, I need to generate the reports faster, there is a lot of DRY and some eager loading should improve the speed ( I'm taking 45secs-1min to generate a 30 students 40 questions test, can not take 1 hour to generate a comparative report between 2 schools).

Gems I'm using :

wicked_pdf for PDF generation

ajax-datatables for datatables

I'm using highcharts for charts

Please only bid if you have demonstrable RUBY ON RAILS knowledge.

I need a reponsive freelancer that stays in touch, project is hosted at bitbucket.

There is a lot to talk about, I have no problem on explaining everything.

I'm a programmer too, but my ruby knowledge is limited and I have no time to learn ActiveRecord so I need an expert!", I can help to do this ASAP , please be comunicative.

Kemahiran: Ruby on Rails, Kejuruteraan Perisian

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Tentang Majikan:
( 32 ulasan ) Santiago, Chile

ID Projek: #10263306

Dianugerahkan kepada:


I have got following skills below: * Working on the latest version of Rails (4.x 3.x) and Ruby (2.1.x,1.9.x) * Use of Agile methodology for development process * Strong understanding of MVC * Strong impleme Lagi

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9 pekerja bebas membida secara purata $841 untuk pekerjaan ini


Hi, I have read your post and understood your requirement. I have great experience working on /Ruby on Rails/PHP/MySQL/HTML5/jQuery/Laravel/Wordpress/Magento/Joomla/Drupal/AngularJS/node.js/CSS3/Java/Python/Dja Lagi

$1030 USD dalam 10 hari
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Hello, Please consider me for this project. Since last 10 years I've been working as Full Stack Web and Mobile Developer. I have a good expertise in Ruby(1.9+, 2+), Java(1.5+), Framework(Rails, Struts, Hibernate), A Lagi

$1000 USD dalam 10 hari
(45 Ulasan)

Hi, I am ruby on rails expert (over 6 years of experience).I can assure you quality of my work. My Skills: 1. Ruby 2. Ruby on Rails 3. Git (version control system) 4. MySQL , PostgreSQL, Sqlite (Database Ma Lagi

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$1000 USD dalam 10 hari
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I just read your description twice again and applied with my skills and experiences. Confidently I am sure that my skill sets and experiences are ideal match for your project. Looking forward to working for your gene Lagi

$588 USD dalam 10 hari
(12 Ulasan)

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$1117 USD dalam 10 hari
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I have struggled many times to make activerecord perform so I might me able to fix/improve your performance issues. In many ways using native PDF tools like poppler can give a boost in PDF generation. That might also h Lagi

$722 USD dalam 10 hari
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