The key to The Rails Way is in the title. It literally covers the “way” to do almost everything with Rails. Writing a truly exhaustive reference to the most popular web. The “Bible” for Rails Development: Now Fully Updated for Rails "When I read The Rails Way for the first time, I felt like I truly understood Rails for. In many ways, The Rails 4 Way, Agile Web Development with Rails (For example, to render a PDF report in a background job). Templates.
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Easily add accurate, reliable and fast document processing functionality into your application or workflow. A document understanding platform for intelligent, automated data extraction from virtually any document. This approach is ideal if you don't need a publishing workflow or precise control over page output. For the purpose of this tutorial I've made a simple demo application on Heroku to show you what we'll be building. The application lists a series of sample invoices that can be previewed in the browser, and then converted to PDF. The source code is available in our repo rails-generate-pdf.
Extend one of your actions Add format.
Just pick one of the actions e. Now when you visit correct URL with. But there is more!
PDF development During the development, it is nice to have an easy way to preview the changes that you made. If you are using Google Chrome browser as I do you may notice that instead of opening PDFs inline the files are immediately downloaded.
This is very inconvenient behavior if you are constantly changing your code and try to preview those changes. Instead, Prawn is a popular open source pure Ruby PDF generation library that is reasonably performant and uses a X,Y coordinate system for placing elements on a page. The downside is you'll need time to wrap your head around its rendering model, and learn its DSL Domain Specific Language. Start by downloading and installing Wicked PDF's precompiled binary. Here we'll install the required gems:.
Our demo application will only have two models: Invoice and InvoiceItem. To create the Invoice model, navigate to the root of your project from the command line and type:.
The show action has 2 formats html and pdf , which will be used to define how the content is rendered. For example, if you access the invoice directly without the.
Try it here:. You can configure the options however you need see wkhtmltopdf documentation for additional details.
To customize the layout of the PDF, use the following settings:. For this example, I will only use the stylesheet helper:. Now you need to make sure all the assets will are precompiled according to the official GitHub, this next step is essential for your gem to work perfectly when you deploy to production:.
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