I need to get hard decision, and choose between this two CMS gems. It is absolutely incorrect to choose it, based on the frontend design.
After getting into both, I understood, that the difference nowadays is really thin. Help me and show this difference for proper choice.
I need it for little project ~15-20 models
PS: I'm asking not for holy war, I really need to know what to choose
Currently I am using ActiveAdmin,its functionality & customization is easy. But as in your project, if you will use 15-20 model, its header layout will be disturbed. So better to use Rails admin, because its view is much better and you can easily use 15-20 model.
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I've been looking at Administrate source code and would like to know if it's a good practice or not the use of a generic controller and what implications it would have, like code complexity, performance degradation, etc.
Sometime ago, there was a gem inherited_resources that provide this feature, but since Rails 3.0 or 3.1 has been said we no longer need them.
So, since I have some very simple models (with only two or three fields) I could create a generic view and controller to manipulate them and save a lot of lines of "duplicated" code. Although I'm afraid, by avoiding repetition I could be creating another monster.
I've been looking for a Rails way to do this, but failed, so I would thanks some advice.
Note: I'm not looking to implement or use an admin dashboard, but use in my application instead
All Rails admin-panel implementations will make you hurt when you will try to make something more complex than stupid simple CRUD-application. I recomend you not to use such solutions. I had experiece in usage three different Rails's admin-panels and all of them had bad design and a lot of limitations. They are hard to mantain and extend their functionality.
I've been thinking of writing my own backend, because I feel active_admin might not support all the requirements.
I wanted to ask if Active_Admin supports any of these just to be sure:
I have a has_and_belongs_to_many relationship between my ad model
and tag model. In the new ad page I would like to have the form for
the ads, as well as all available tags so the admin can choose which
tags to associate with the ad. I was able to do that normally in my
application, but can I do that with active_admin?
Can I add custom buttons.. Like one to convert to PDF for example,
or one to send an e-mail..
Could I add some sort of before_filter, so the admin can only view a
model, but not edit or delete it for example?
Thank you.
All of those things can be done via Active Admin, but as it was pointed out, it can be quite a nightmare actually implementing certain things depending on the amount of flexibility you need it to have. For that exact reason, I decided to start rolling my own administration panels.
I have tried an implemented almost all robust gems for admin panels. I have also sweated over several hand-made ones.
Active-Admin is very usability centred, but it is not configuration centred.
As you rightly aniticipated, some of the more complex modifications can be tedious.
In my experience, rails_admin is the best middle ground I could find.
Take a look at it, it is highly functional, completely modular (made as a Rails 3 Engine) and simpler to modify.
If you can live without some details when customizing this is definitely the way to go. However, if you need to have everything just right, then there is not substitute for hand-made.
on the last projects i've started, I wondered if I should use the admin generator or not. My usual choice is to not use it, as some developers suggested to me, "unless it's for quick backend prototyping and submission to client", they said. Currently i'm starting a project and i'm in the situation that the client need the backend very fast to start loading lots of data, and i'm doubting about using the admin generator or not. I would use it if needed simple form fields. But one of my models must have multiple images, and maybe I need a more complex view that allow the client to load N images, so the admin generator maybe it's not the best choice, but it seems fast, it seems to save time and that's what I need now, time saving!
The project is very simple, it's just a Product model with multiple images and multiple sizes and belongs to a simple category.
What do you think? What would be the best option for this? And where do you think that makes sense to use the admin generator or the regular module generator?
Thanks in advance!
Regards.
I use the admin generator as much as possible. It is really designed to be great for the "backend" of your website-- the administrative screens which authors and editors will use to maintain the app. Any module that needs to be user-editable and is simple cries out for the admin generator.
Recently I have been starting everything with the admin generator so that there's a working prototype to build data with. Then I select certain modules or views that need more magic sauce, and build them out with more customization.
Remember, you can add views and forms to an admin generator module. On my last project I used the admin generator for the "edit" action of my main object but added "show" methods similar to a non-admin-generator form-- adding an executeShow() action and showSuccess template.
The other thing to keep in mind is that the admin generator is only a generator. It writes a bunch of code for you in cache/frontend/env/modules, but you can override any of it by building the equivalent code in apps/frontend/modules/. If you find one part of it that you can't configure with generator.yml, you can copy the file out of the cache into your module dir and hack away. I prefer to take the "out of the box" admin generator as far as possible before customizing it, though.
i've been working with symfony for quite some time now and i've been using the admin generator for simply and complex situations. It's true that it saves time when developing CRUD modules, but i dont think that is not advisable for complex cases.
I think you should use it and also learn the power of customization the generator gives you. If you have complex Forms, leave that for form classes to manage and as you said, if your forms a quite more complex to render, well you should only take care of the rendering of that only segment of the view.
But, if you decide to make if without it, you should start thinking about creating all the view from scrap, that in my case takes quite time ( i'm not so versatile wiht css).
But this is only my opinion, hope this helps you make a more rational choice!
I have been spending some time creating what I called a framework.
It was aimed at the creation of quiz likes games. It was supposed to have two players syncronized and present them a question to solve, etc.
I would like it to be fully customizable so I tried to develop components that can be put in or out of the pages. In the end the elements became slim ruby methods to add a whole bunch of Javascript and CSS to the pages.
Still the Javascript needs to connect to Ruby so methods supporting it are created but they will only be present when the component is present. Some components depend on one another making everything overly complex.
And after this attempt I wonder, is there is not a better and easier way to make a framework aimed to one kind of application on RoR? Or is the concept flawed or RoR in some way flawed?
Ruby on Rails is a framework on its own accord and is "opinionated software". This means that the writers of Rails looked at what would make most sense for creating a web application to them. Many people support the original developers views and so use Rails for their projects as well.
I think your concept of creating a quiz is a good one, but first you need to understand the rails stack. Depending on what you need exactly, you can create either an engine, plugin or whatever.
What I have seen a lot is that you specify what you need in your controller. (How you do that is up to you). All that information is stored in a class variable and transferred to the view where you can render everything you need with some helpers. The hard part is making it all generic enough to be reusable.
But, maybe Rails isn't the right tool for you. Maybe you need something more lightweight like Merb or even Sinatra.
There is no 'flaw' in Rails. Rails is not the 10**1000-in-one tool Java is. It's a framework that tries to do one way very good in a particular way. I think Rails can be the right tool for you, but you need to be skilled enough to wield the tool :)
I love scaffolding and it extremely helpful for prototyping. But Should we use scaffolding for developing application as such?
The name "scaffolding" is sort of a misnomer in Rails now (post 2.0). The structure generated through scaffolding generator is more of a base application to build on, rather than a "prototype" that you throw away later.
At least, if you are designing your application to be RESTful, you will find yourself keeping most of the scaffold generator produced controller and model code, while adding more logic to them. You will perhaps replace the views eventually while keeping bits and pieces of Ruby code in them.
There is no harm in using scaffold to kick-start development of your application. However, if you are a newbie you need to understand how stuff can be done without it. Scaffold is a tool for rapid prototype development in rails and can be used if you can alter it to suit your requirements quickly.
i use it a lot
i strt off with scaffolding and then gradually replace it with custom code; it's a great way to get something up and running pretty quick.
Actually It's depends on your requirements. When we consider about the scaffold it will generate CRUD(Create, Read, Update and Delete) operations instantly. So if you need to remove some of operations its really easy if you coded it manually. But that also can be done by using scaffold also. Just you have to remove those methods only.
So it's your choice whether you use it or not
I have read some books,the author all told me that a for developer will not use it in they business project.So I am not using it in my project any time.But it is only my options,it is up to you.