Practical reporting with ruby on rails pdf

These are the libraries from the gems that we need to use in order to display the content in the workbook or spreadsheet however you want to see it. There are several methods you are going to use when working with this gem.

For example, if you use the following statement:. This will give us all the products we have in that table with all its attributes. Here is a quick example:. When we pass the object to this method, the gem will take care of printing each value in each cell according to the order you already gave to the object.

There are a lot of methods you can use for multiple purposes, for example. Another thing you might use is styles. W ith all this in mind, we come to the conclusion that the process of generating reports with Ruby on Rails ends up being a very simple process. It is just a matter of obtaining the right data, sort it in the way that you need to display it, and finally start using the existing methods from the gem to do what you need to do.

Remember, the best way to use a new gem is always to read its official documentation, and explore its code to see the available methods which compose it. Hope you have an easy time using these gems and find this blog post helpful. MagmaLabs Technical Blog. About us Blog Home Podcasts. Share via:. What are ruby contracts and how we can use them?

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Deploying Rails Applications Design Patterns in Ruby Design Patterns in Ruby, 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.

Here's my configuration:. If you're looking for more granular control over PDF output, wkhtmltopdf may not be the best. 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:. Note this isn't a staid guide to generating traditional reports, but rather it shows you how the Ruby language and Rails framework can create truly compelling reporting services by plugging into popular third-party applications and services such as Google AdWords, UPS.

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Practical Reporting with Ruby and Rails. Authors David Berube. Front Matter Pages i-xvii. Front Matter Pages