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module Api
module V2
class ConfigTemplatesController < V2::BaseController
include Api::Version2
include Api::TaxonomyScope
include Foreman::Renderer

before_filter(:only => %w{show update destroy}) { find_resource('templates') }
before_filter :handle_template_upload, :only => [:create, :update]
before_filter :process_template_kind, :only => [:create, :update]
before_filter :process_operatingsystems, :only => [:create, :update]

api :GET, "/config_templates/", "List templates"
param :search, String, :desc => "filter results"
param :order, String, :desc => "sort results"
param :page, String, :desc => "paginate results"
param :per_page, String, :desc => "number of entries per request"

def index
@config_templates = ConfigTemplate.
authorized(:view_templates).
search_for(*search_options).paginate(paginate_options).
includes(:operatingsystems, :template_combinations, :template_kind)
end

api :GET, "/config_templates/:id", "Show template details"
param :id, :identifier, :required => true

def show
end

def_param_group :config_template do
param :config_template, Hash, :action_aware => true do
param :name, String, :required => true, :desc => "template name"
param :template, String, :required => true
param :snippet, :bool, :allow_nil => true
param :audit_comment, String, :allow_nil => true
param :template_kind_id, :number, :allow_nil => true, :desc => "not relevant for snippet"
param :template_combinations_attributes, Array,
:desc => "Array of template combinations (hostgroup_id, environment_id)"
param :operatingsystem_ids, Array, :desc => "Array of operating systems ID to associate the template with"
end
end

api :POST, "/config_templates/", "Create a template"
param_group :config_template, :as => :create

def create
@config_template = ConfigTemplate.new(params[:config_template])
process_response @config_template.save
end

api :PUT, "/config_templates/:id", "Update a template"
param :id, :identifier, :required => true
param_group :config_template

def update
process_response @config_template.update_attributes(params[:config_template])
end

api :GET, "/config_templates/revision"
param :version, String, :desc => "template version"

def revision
audit = Audit.authorized(:view_audit_logs).find(params[:version])
render :json => audit.revision.template
end

api :DELETE, "/config_templates/:id", "Delete a template"
param :id, :identifier, :required => true

def destroy
process_response @config_template.destroy
end

api :GET, "/config_templates/build_pxe_default", "Change the default PXE menu on all configured TFTP servers"

def build_pxe_default
status, msg = ConfigTemplate.authorized(:deploy_templates).build_pxe_default(self)
render :json => msg, :status => status
end

private

# convert the file upload into a simple string to save in our db.
def handle_template_upload
return unless params[:config_template] and (t=params[:config_template][:template])
params[:config_template][:template] = t.read if t.respond_to?(:read)
end

def default_template_url template, hostgroup
url_for :only_path => false, :action => :template, :controller => '/unattended',
:id => template.name, :hostgroup => hostgroup.name
end

def process_template_kind
return unless params[:config_template] and (tk=params[:config_template].delete(:template_kind))
params[:config_template][:template_kind_id] = tk[:id]
end

def process_operatingsystems
return unless (ct = params[:config_template]) and (operatingsystems = ct.delete(:operatingsystems))
ct[:operatingsystem_ids] = operatingsystems.collect {|os| os[:id]}
end

end
end
end
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