D-Net

var module = angular.module('oaiExplorerUI', ['ngGrid']);

module.directive('compileTemplate', function($compile, $parse){

	return {

		link: function(scope, element, attr){

			var parsed = $parse(attr.ngBindHtml);

			function getStringValue() { return (parsed(scope) || '').toString(); }

			//Recompile if the template changes

			scope.$watch(getStringValue, function() {

                $compile(element, null, -9999)(scope);  //The -9999 makes it skip directives so that we do not recompile ourselves

			});

		}         

	}

});

function oaiExplorerCtrl($scope, $http, $sce) {

	$scope.tmpBaseUrl = getInitialBaseUrl();

	$scope.baseUrl = "";

	$scope.currentAction = "";

	$scope.oaiUrl = "";

	$scope.testAllVerbsData = [];

	$scope.testHarvestingData = [];

	$scope.continueIteration = false;

	$scope.identifyData = "";

	$scope.isValidUrl = function(url) {

		return (/^http/).test(url);

	}

	$scope.verifyBaseUrl = function(url) {

		$scope.baseUrl = "";

		$scope.currentAction = "";

		if ($scope.isValidUrl(url)) {

			$scope.baseUrl = url;

			$scope.identify();

		}

	}

	initSpinner();

	$scope.showError        = function(error)   { show_notification("error", error); }

	$scope.showNotification = function(message) { show_notification("info", message); }

	$scope.showSpinner      = function()        { showSpinner(); }

	$scope.hideSpinner      = function()        { hideSpinner(); }

	$scope.identify = function() {

		$scope.oaiUrl = $scope.baseUrl + "?verb=Identify";

		$scope.callRemoteMethod('Identify', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'Identify' 

        });

	}

	$scope.listMetadataFormats = function() {

		$scope.oaiUrl = $scope.baseUrl + "?verb=ListMetadataFormats";

		$scope.callRemoteMethod('ListMetadataFormats', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'ListMetadataFormats' 

        });

	}

	$scope.listSets = function() {

		$scope.oaiUrl = $scope.baseUrl + "?verb=ListSets";

		$scope.callRemoteMethod('ListSets', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'ListSets'

        });

	}

	$scope.listRecords = function(mdf, set) {

		$scope.oaiUrl = $scope.baseUrl + "?verb=ListRecords&metadataPrefix=" + mdf;

		if (set) {

			$scope.oaiUrl += "&set=" + set; 

		}

		$scope.callRemoteMethod('ListRecords', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'ListRecords',

			'mdf'     : mdf,

			'set'     : set

        });

	}

	$scope.listIdentifiers = function(mdf, set) {

		$scope.oaiUrl = $scope.baseUrl + "?verb=ListIdentifier&metadataPrefix=" + mdf;

		if (set) {

			$scope.oaiUrl += "&set=" + set; 

		}

		$scope.callRemoteMethod('ListIdentifiers', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'ListIdentifiers',

			'mdf'     : mdf,

			'set'     : set

        });

	}

	$scope.getRecord = function(id, mdf) {

		$scope.currentAction = "GetRecord";

		$scope.oaiUrl = $scope.baseUrl + "?verb=GetRecord&metadataPrefix=" + mdf + "&identifier=" + id;

		$scope.callRemoteMethod('GetRecord', {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'GetRecord',

			'mdf'     : mdf,

			'id'      : id

        });

	}

	$scope.nextPage = function(token) {

		$scope.oaiUrl = $scope.baseUrl + "?verb=" + $scope.currentAction + "&resumptionToken=" + token;

		$scope.callRemoteMethod($scope.currentAction, {

			'baseUrl': $scope.baseUrl,

			'verb': $scope.currentAction,

			'token' : token

        });

	}

	$scope.testAllVerbs = function() {

		$scope.currentAction = "testAllVerbs";

		$scope.oaiDataHTML = "";

		$scope.oaiUrl = $scope.baseUrl + "?verb=Identify";

		$scope.testAllVerbsData = [];

		$scope.testHarvestingData = [];

		$scope.continueIteration = true;		

		$scope.time_min = 9999999;

		$scope.time_max = 0;

		$scope.time_total = 0;

		$scope.time_sqrTotal = 0;

		$scope.time_avg = 0;

		$scope.time_stddev = 0;

		$scope.testVerb($scope.testAllVerbsData, "test_oai_verb", {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'Identify',

        });

	}

	$scope.testHarvesting = function() {

		$scope.currentAction = "testHarvesting";

		$scope.oaiUrl = $scope.baseUrl + "?verb=ListRecords&metadataPrefix=oai_dc";

		$scope.oaiDataHTML = "";

		$scope.testAllVerbsData = [];

		$scope.testHarvestingData = [];

		$scope.continueIteration = false;

		$scope.time_min = 9999999;

		$scope.time_max = 0;

		$scope.time_total = 0;

		$scope.time_sqrTotal = 0;

		$scope.time_avg = 0;

		$scope.time_stddev = 0;

	}

	$scope.startTestHarvesting = function() {

		$scope.continueIteration = true;

		$scope.time_min = 9999999;

		$scope.time_max = 0;

		$scope.time_total = 0;

		$scope.time_sqrTotal = 0;

		$scope.time_avg = 0;

		$scope.time_stddev = 0;

		$scope.testHarvestingData = [];

		$scope.testVerb($scope.testHarvestingData, "test_harvesting", {

			'baseUrl' : $scope.baseUrl,

			'verb'    : 'ListRecords',

			'mdf'     : 'oai_dc'

        });

	}

	$scope.stopTestHarvesting = function() {

		$scope.continueIteration = false;

	}

	$scope.testVerb = function(list, method, params) {

		//$scope.showSpinner();

		$http.post(method, params).success(function(data) {

        	list.push(data);

        	if (data.time) {

        		var curr = data.time / 1000;

        		$scope.time_min = Math.min($scope.time_min, curr);

        		$scope.time_max = Math.max($scope.time_max, curr);

        		$scope.time_total += curr;

        		$scope.time_sqrTotal += curr*curr;

        		$scope.time_avg = ($scope.time_total/list.length);

        		$scope.time_stddev = Math.sqrt((list.length * $scope.time_sqrTotal) - ($scope.time_total * $scope.time_total)) / list.length;

        	}

        	location.href="#endPage";

        	//$scope.hideSpinner();

        	if ($scope.continueIteration && data.nextCall && data.nextCall.verb) {

        		$scope.testVerb(list, method, data.nextCall);

        	} else {

        		$scope.continueIteration = false;

        	}

        }).error(

            function(err) {

            	$scope.showError(err.message);

            	//$scope.hideSpinner();

            }

        );

	}

	$scope.callRemoteMethod = function(name, params) {

		$scope.currentAction = name;

		$scope.oaiDataHTML = "";

		$scope.testAllVerbsData = [];

		$scope.testHarvestingData = [];

		$scope.showSpinner();

		$http.post('oai_verb', params).success(function(data) {

        	$scope.oaiDataHTML = $sce.trustAsHtml(data);

        	$scope.hideSpinner();

        }).error(

            function(err) {

            	$scope.showError(err.message);

            	$scope.hideSpinner();

            }

        );

	}

	$scope.updateGraph = function(list, field) {

		var i = 1;

		var d = [];

		angular.forEach(list, function(obj) {

			if (obj[field]) {

				d[i] = [i, obj[field]];

			}

			i++;

		});

		jQuery.plot("#harvestingGraph", [ d ]);

	}

	if ($scope.tmpBaseUrl && $scope.isValidUrl($scope.tmpBaseUrl)) {

		$scope.verifyBaseUrl($scope.tmpBaseUrl);

	}

}