tracks/backup.rails2.3/backend_controller.rb
2012-04-30 13:56:37 +02:00

73 lines
2.1 KiB
Ruby

class CannotAccessContext < RuntimeError; end
class BackendController < ApplicationController
acts_as_web_service
wsdl_service_name 'Backend'
web_service_api TodoApi
web_service_scaffold :invoke
skip_before_filter :login_required
def new_todo(username, token, context_id, description, notes)
check_token(username, token)
check_context_belongs_to_user(context_id)
item = create_todo(description, context_id, nil, notes)
item.id
end
def new_todo_for_project(username, token, context_id, project_id, description, notes)
check_token(username, token)
check_context_belongs_to_user(context_id)
item = create_todo(description, context_id, project_id, notes)
item.id
end
def new_rich_todo(username, token, default_context_id, description, notes)
check_token(username,token)
item = Todo.from_rich_message(@user, default_context_id, description, notes)
item.save
raise item.errors.full_messages.to_s if item.new_record?
item.id
end
def list_contexts(username, token)
check_token(username, token)
@user.contexts
end
def list_projects(username, token)
check_token(username, token)
@user.projects
end
private
# Check whether the token in the URL matches the token in the User's table
def check_token(username, token)
@user = User.find_by_login( username )
unless (token == @user.token)
raise(InvalidToken, "Sorry, you don't have permission to perform this action.")
end
end
def check_context_belongs_to_user(context_id)
unless @user.contexts.exists? context_id
raise(CannotAccessContext, "Cannot access a context that does not belong to this user.")
end
end
def create_todo(description, context_id, project_id = nil, notes="")
item = @user.todos.build
item.description = description
item.notes = notes
item.context_id = context_id
item.project_id = project_id unless project_id.nil?
item.save
raise item.errors.full_messages.to_s if item.new_record?
item
end
end
class InvalidToken < RuntimeError; end