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# File 'lib/crudcontroller.rb', line 9
def generate_for(model)
model = model.to_s
klass_name = model.camelize
plural = model.pluralize
class_eval %Q!
before_filter :load_page, :load_conditions, :only => :index
before_filter :load_#{model}, :only => [ :edit, :new, :create, :update, :destroy ]
def index
load_records
respond_to do |format|
format.html
format.json { render :json => { :results => @#{plural},
:total => @#{plural}.total_entries
}.to_json( to_json_options )
}
end
end
def show
@#{model} = #{klass_name}.find(params[:id])
end
def edit
on_edit( @#{model} )
render :edit
end
alias :new :edit
def create
create_or_update
end
def update
create_or_update
end
def destroy
@#{model}.destroy
respond_to do |format|
format.json { render :json => {
:success => 'true'
}
}
end
end
protected
def load_records
@#{plural} = paginate( #{klass_name}, (paginate_options.merge({:conditions => @conditions})) )
end
def paginate_options
{}
end
def to_json_options
{}
end
def on_edit(record)
end
def on_create_or_update(record)
end
def load_#{model}
@#{model} = params[:id].blank? ? #{klass_name}.new : #{klass_name}.find(params[:id])
end
def paginate( #{model}, options = {} )
#{model}.paginate( { :page => @page, :per_page => @per_page }.merge(options) )
end
def load_page
@page = params[:page] || '1'
@per_page = (params[:limit] || '100').to_i
true
end
def create_or_update
on_create_or_update( @#{model} )
status = @#{model}.new_record? ? :created : :ok
if @#{model}.update_attributes(params[:#{model}])
respond_to do |format|
format.html { redirect_to(@#{model}) }
format.json { render :json => {
:success => 'true',
:id => @#{model}.id,
:record => @#{model}
},
:status => status,
:location => @#{model}
}
end
else
respond_to do |format|
@errors = { :attributes => {}, :base => @#{model}.errors.on_base}
@#{model}.errors.each do |attr, msg|
@errors[:attributes]["#{model}_\#{attr}"] ||= []
@errors[:attributes]["#{model}_\#{attr}_id"] ||= []
@errors[:attributes]["#{model}_\#{attr}"] << msg
@errors[:attributes]["#{model}_\#{attr}_id"] << msg
end
format.html { render :action => "new" }
format.json { render :json => { :success => 'false',
:errors => @errors
},
:status => :unprocessable_entity,
:location => @#{model}
}
end
end
end
def load_conditions
fieldsForSearch = eval(params[:fields]) if params[:fields]
query = params[:query] if params[:query]
aditional_filter = params[:aditionalFilter] ? params[:aditionalFilter] : ''
if (query == "")
query = false
end
conditions_array = []
if (fieldsForSearch && query)
fieldsForSearch.each do |field|
if (#{klass_name}.columns_hash[field].type == :string)
conditions_array << \"UPPER(\#{field}) LIKE UPPER('%\#{query}%'\)"
else
if (query.to_i \!= 0)
conditions_array << \"\#{field} = \#{query}\"
end
end
end
end
conditions_array << \"\#{aditional_filter}\" unless aditional_filter.blank?
@conditions = conditions_array.join(' OR ')
end
!
end
|