sweetp/dashboard

'use strict';

angular.module('dashboardApp')
    .directive('spGitStatusWidget', function() {
    return {
        restrict: 'E',
        scope: {
            project: '='
        },
        templateUrl: 'scripts/dashboardApp/widgets/spGitStatusWidget.template.html',
        controller: function ($scope, $log, Sweetp) {
            var setBranchName, checkForRemoteBranch,
                checkForCommitsAheadOfRemote, finish;

            $scope.state = {
                errors:null
            };
            $scope.state.branchName = null;
            $scope.state.remoteBranchName = null;
            $scope.state.commitsAhead = 0;

            setBranchName = function (err, data, status)  {
                if (err) {
                    $scope.state.errors = [
                        err,
                        "Service message: " + data.service
                    ];
                    $log.error(err, data, status);
                    finish();
                    return;
                }

                checkForRemoteBranch(data.service);
            };

            checkForRemoteBranch = function (branchName) {
                var params, remoteBranchName;

                remoteBranchName = 'origin/' + branchName;
                params = {
                    name:remoteBranchName
                };

                // check if remote branch exists
                Sweetp.callService($scope.project.name, 'scm/commit/by/ref', params, function (err, data, status) {
                    if (err) {
                        // check if branch doesn't exist
                        if (status === 500 && data.service.match(/no ref found/)) {
                            // no remote branch, set local branch name
                            $scope.state.branchName = branchName;
                        } else {
                            // normal error
                            $scope.errors = [
                                err,
                                "Service message: " + data.service
                            ];
                            $log.error(err, data, status);
                        }

                        finish();
                        return;
                    }

                    checkForCommitsAheadOfRemote(branchName, remoteBranchName);
                    finish();
                });
            };

            checkForCommitsAheadOfRemote = function (branchName, remoteBranchName) {
                var params;

                params = {
                    since:remoteBranchName
                };

                // get commits between remote and HEAD
                Sweetp.callService($scope.project.name, 'scm/log', params, function (err, data, status) {
                    if (err) {
                        $scope.state.errors = [
                            err,
                            "Service message: " + data.service
                        ];
                        $log.error(err, data, status);
                        finish();
                        return;
                    }

                    $scope.state.branchName = branchName;
                    $scope.state.remoteBranchName = remoteBranchName;
                    $scope.state.commitsAhead = data.service.length;
                    finish();
                });
            };

            $scope.reload = function () {
                $scope.state.branchName = null;
                $scope.state.remoteBranchName = null;
                $scope.state.commitsAhead = 0;

                Sweetp.callService($scope.project.name, 'scm/branch/name', null, setBranchName);
            };

            finish = function () {
                $scope.$emit('widgetLoaded');
            };

            $scope.$on('reloadWidget', $scope.reload);
            $scope.reload();
        }
    };
});