Class: AppBaseController

Inherits:
ActionController::Base
  • Object
show all
Defined in:
lib/appbase/controllers/app_base_controller.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.add_create_stub(model) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 25

def add_create_stub(model)
  m = model.name
  permits = model.columns.map { |item| item.name }.to_json
  self.module_eval %-
    def create_#{AppBase.underscore m}
      obj = #{m}.new(params.except(:action, :controller, :id).permit(#{permits}))
      if !#{m}.allow_create?(current_user, obj)
        render json: { status: "error", msg: "unauthorized" }
      else
        obj.save!
        render json: { status: 'ok', id: obj.id }
      end
    rescue Exception => e
      render json: { status: 'error', msg: e.to_s }
    end
  -
end

.add_delete_stub(model) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 65

def add_delete_stub(model)
  m = model.name
  self.module_eval %-
    def delete_#{AppBase.underscore m}
      obj = #{m}.find(params[:id])
      if obj.nil?
        return render json: { status: 'error', msg: 'not_found' }
      end
      if !#{m}.allow_delete?(current_user, obj)
        render json: { status: "error", msg: "unauthorized" }
      else
        obj.delete
        render json: { status: 'ok' }
      end
    rescue Exception => e
      render json: { status: 'error', msg: e.to_s }
    end
  -
end

.add_query_stub(model) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 85

def add_query_stub(model)
  m = model.name
  columns = model.columns.map{|c|c.name}
  self.class_eval %-
    def query_#{AppBase.underscore m}
      query = #{m}.accessible_by(current_user)
      params.except(:action, :controller, :p, :ps).each { |k, v|
        op = 'eq'
        if k.index('.') && k.split('.').count == 2
          k, op = k.split('.')
        end
        return if #{columns}.index(k).nil?
        case op
        when 'eq'
          query = query.where "\#{k} = ?", v
        when 'lt'
          query = query.where "\#{k} < ?", v
        when 'le'
          query = query.where "\#{k} <= ?", v
        when 'gt'
          query = query.where "\#{k} > ?", v
        when 'ge'
          query = query.where "\#{k} >= ?", v
        when 'n'
          query = query.where "\#{k} IS NULL"
        when 'nn'
          query = query.where "\#{k} IS NOT NULL"
        when 'in'
          values = JSON.parse v
          query = query.where "\#{k} IN (?)", values
        when 'nin'
          values = JSON.parse v
          query = query.where "\#{k} NOT IN (?)", values
        else
        end
      }
      page_size = [1, (params[:ps]||20).to_i].max
      start = [0, (params[:p]||1).to_i.pred].max * page_size
      render json: { status: 'ok', data: query.offset(start).limit(page_size) }
    rescue Exception => e
      render json: { status: 'error', msg: e.to_s }
    end
  -
end

.add_rpc_method_stub(bound_method, auth = false) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 130

def add_rpc_method_stub(bound_method, auth=false)
  m = bound_method.receiver.name
  mn = bound_method.name
  parameters = bound_method.parameters
  if auth && (parameters.count == 0 || parameters[0][0] != :req)
    raise "#{m}.#{mn} does not accept current user identity as the first parameter. Using `expose_to_appbase :method_name, atuh: false` to expose #{m}.#{mn} to appbase without user authentication."
  end
  need_params = false
  if parameters.last[0] == :opt
    need_params = true
    parameters = parameters[(auth ? 1 : 0)..-2]
  else
    parameters = parameters[(auth ? 1 : 0)..-1]
  end
  if parameters.find{|p|p[0]!=:req}
    raise "Error exposing #{m}.#{mn} to appbase engine, appbase does not support rest/optional parameters, use options instead!"
  end
  requires = parameters.map{|p|":#{p[1]}"}
  parameters = auth ? ['current_user'] : []
  requires.each { |p| parameters << "params[#{p}]" }
  if need_params
    parameters.push "params.except(:action, :controller#{requires.count > 0 ? ", #{requires.join(', ')}" : ""})"
  end
  self.class_eval %-
    def rpc_#{AppBase.underscore m}_#{mn}
      #{requires.map{|p|"params.require #{p}"}.join(';')}
      render json: { status: 'ok', data: #{m}.#{mn}(#{parameters.join(', ')}) }
    rescue Exception => e
      render json: { status: 'error', msg: e.to_s }
    end
  -
end

.add_update_stub(model) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 43

def add_update_stub(model)
  m = model.name
  permits = model.columns.map { |item| item.name }.to_json
  self.module_eval %-
    def update_#{AppBase.underscore m}
      obj = #{m}.find(params[:id])
      if obj.nil?
        return render json: { status: 'error', msg: 'not_found' }
      end
      obj.update_attributes(params.except(:action, :controller, :id).permit(#{permits}))
      if !#{m}.allow_update?(current_user, obj)
        render json: { status: "error", msg: "unauthorized" }
      else
        obj.save!
        render json: { status: 'ok' }
      end
    rescue Exception => e
      render json: { status: 'error', msg: e.to_s }
    end
  -
end

.define_useridentity(user_identity, token_store, token_key_user, token_key_session) ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 13

def define_useridentity(user_identity, token_store, token_key_user, token_key_session)
  self.class_eval %-
    def current_user(options={})
      if #{token_store}[:#{token_key_user}].nil? || #{token_store}[:#{token_key_session}].nil?
        return options[:default] if options.has_key? :default
        raise "unauthenticated"
      end
      #{user_identity}.authenticate_by_token(#{token_store}[:#{token_key_user}], #{token_store}[:#{token_key_session}])
    end
  -
end

Instance Method Details

#current_user ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 7

def current_user
  nil
end

#version ⇒ Object 



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# File 'lib/appbase/controllers/app_base_controller.rb', line 3

def version
  render json: AppBase::VERSION
end