discourse/app/controllers/categories_controller.rb

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require_dependency 'category_serializer'
class CategoriesController < ApplicationController
before_filter :ensure_logged_in, except: [:index, :show]
def index
list = CategoryList.new(current_user)
render_serialized(list, CategoryListSerializer)
end
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def show
@category = Category.where(slug: params[:id]).first
render_serialized(@category, CategorySerializer)
end
def create
requires_parameters(*category_param_keys)
guardian.ensure_can_create!(Category)
@category = Category.create(category_params.merge(user: current_user))
return render_json_error(@category) unless @category.save
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render_serialized(@category, CategorySerializer)
end
def update
requires_parameters(*category_param_keys)
@category = Category.where(id: params[:id]).first
guardian.ensure_can_edit!(@category)
json_result(@category, serializer: CategorySerializer) { |cat| cat.update_attributes(category_params) }
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end
def destroy
category = Category.where(slug: params[:id]).first
guardian.ensure_can_delete!(category)
category.destroy
render nothing: true
end
private
def category_param_keys
[:name, :color]
end
def category_params
params.slice(*category_param_keys)
end
end