sheercms/static/routes/logs/log.controller.js

Sheer Cliff CMS is a simple and powerful content management system (CMS) for Node JS.

app.controller('LogController', function($scope, LogService) {

    $scope.data = {
        isAuthorized: false,
        title: "Log Viewer",
        logs: [], // {name, size, modified}
        message: "",
        messageType: "",
        levels: [
            {text: 'all levels', value: 0},
            {text: 'trace +', value: 10},
            {text: 'debug +', value: 20},
            {text: 'info +', value: 30},
            {text: 'warn +', value: 40},
            {text: 'error +', value: 50},
            {text: 'fatal', value: 60}
        ]
    };

    $scope.selectedLog = {
        log: null,
        raw: "",
        entries: [],
        level: 40
    };

    $scope.selectLog = function(log) {
        loadLogFile(log, 40, true); //start with warn level so we don't download the whole file
    };

    $scope.back = function() {
        $scope.selectedLog.log = null;
        $scope.selectedLog.raw = "";
        $scope.selectedLog.entries = [];
    };

    $scope.reload = function() {
        if ($scope.selectedLog.log) {
            LogService.clearLogCache($scope.selectedLog.log.name);
            loadLogFile($scope.selectedLog.log, $scope.selectedLog.level, false);
        }
        else {
            loadLogs(false);
        }
    };

    $scope.toggleSort = function() {
        if ($scope.selectedLog.entries) {
            $scope.selectedLog.entries.reverse();
        }
    };

    $scope.changeLevel = function() {
        loadLogFile($scope.selectedLog.log, $scope.selectedLog.level, true);
    };

    function init() {
        $scope.$parent.resize('.log-view');

        if ($scope.global.isAdmin === true) {
            $scope.data.isAuthorized = true;
            loadLogs(true);
        }
        else {
            $scope.data.isAuthorized = false;
        }
    }

    function loadLogFile(log, level, useCache) {

        $scope.selectedLog.level = level;

        setMessage("Loading log file...", "alert-info");
        LogService.getLog(log.name, level, useCache).then(function(result) {
            if (result.success) {
                clearMessage();
                try {
                    $scope.selectedLog.log = log;
                    $scope.selectedLog.raw = JSON.stringify(result.entries);
                    $scope.selectedLog.entries = result.entries;
                }
                catch(e) {
                    console.error(e);
                    setMessage("Error parsing log file.", "alert-danger");
                }
            }
            else {
                setMessage(result.message, "alert-danger");
            }
        });
    }

    function loadLogs(useCache) {
        setMessage("Loading log files...", "alert-info");
        LogService.list(useCache).then(function(data) {
            if (data.success) {
                $scope.data.logs = data.logs;
                clearMessage();
            }
            else {
                setMessage(data.message, "alert-danger");
            }
        });
    }

    function clearMessage() {
        $scope.data.message = "";
        $scope.data.messageType = "";
    }

    function setMessage(msg, type) {
        $scope.data.message = msg;
        $scope.data.messageType = type;
    }

    init();

});