module BasicCrud

create() { || ... } click to toggle source

# File lib/basic_crud.rb, line 36
def create
  @record = model.new(restricted_params)
  @notice = "#{model} was successfully created."
  yield if block_given?

  respond_to do |format|
    if @record.save
      format.html { redirect_to action: :index, notice: @notice }
      format.json { render @record, status: :created }
    else
      format.html { render :new }
      format.json { render json: @record.errors, status: :unprocessable_entity }
    end
  end
end

destroy() { || ... } click to toggle source

# File lib/basic_crud.rb, line 69
def destroy
  @record = fetch_record_by_param
  @notice = "#{model} was successfully destroyed."

  yield if block_given?

  @record.destroy
  respond_to do |format|
    format.html { redirect_to action: :index, notice: @notice }
    format.json { head :no_content }
  end
end

edit() { || ... } click to toggle source

# File lib/basic_crud.rb, line 26
def edit
  @record = fetch_record_by_param
  yield if block_given?
end

fetch_record_by_param() click to toggle source

default record by id for show, edit, ..

# File lib/basic_crud.rb, line 83
def fetch_record_by_param
  model.find(params[:id])
end

index() { || ... } click to toggle source

# File lib/basic_crud.rb, line 4
def index
  @records = model.all

  yield if block_given?

  respond_to do |format|
    format.html { render :index }
    format.json { render json: @records }
  end
end

model() click to toggle source

Derive model from ControllerClass (ThingsController => Thing)

# File lib/basic_crud.rb, line 88
def model
  self.controller_name.classify.constantize
end

new() { || ... } click to toggle source

# File lib/basic_crud.rb, line 31
def new
  @record = model.new
  yield if block_given?
end

restricted_params() click to toggle source

Override this method to allow model attributes

# File lib/basic_crud.rb, line 93
def restricted_params
  #params.require(self.controller_name.classify.underscore.to_sym).permit([])
  raise("No strong params set, override restricted_params method in your controller. E.g. params.require(:model).permit(:attribute1, :attribute2)")
end

show() { || ... } click to toggle source

# File lib/basic_crud.rb, line 15
def show
  @record = fetch_record_by_param

  yield if block_given?

  respond_to do |format|
    format.html { render :show }
    format.json { render json: @record }
  end
end

update() { || ... } click to toggle source

# File lib/basic_crud.rb, line 52
def update
  @record = fetch_record_by_param
  @notice = "#{model} was successfully updated."

  yield if block_given?

  respond_to do |format|
    if @record.update(restricted_params)
      format.html { redirect_to @record, notice: @notice }
      format.json { render @record, status: :ok }
    else
      format.html { render :edit }
      format.json { render json: @record.errors, status: :unprocessable_entity }
    end
  end
end

Constants

Public Instance Methods