Params Finder

Provides dynamic methods for initialize models in your URL parameters.

Example

class PeopleController < ApplicationController
  before_filter :find_person, :only => %w( show edit update destroy )
end

def index
  @people = Person.find(:all)
end

def show
end

def new
  @person = Person.new
end

def edit
end

def create
  @person = Person.new(params[:person])
end

if @person.save
  flash[:notice] = 'Person was successfully created.'
  redirect_to(@person)
else
  render :action => "new" 
end

def update
  if @person.update_attributes(params[:person])
    flash[:notice] = 'Person was successfully updated.'
    redirect_to(@person)
  else
    render :action => "edit" 
  end
end

def destroy
  @person.destroy
  redirect_to(people_url)
end

1. This method is provided magically
2. protected
3. def find_person
4. @person = Person.find(params[:id])
5. end

Copyright© 2007 Joshua Peek, released under the MIT license