h54s/src/logs.js

HTML5 Data Adapter for SAS

const logs = {
  applicationLogs: [],
  debugData: [],
  sasErrors: [],
  failedRequests: []
};

const limits = {
  applicationLogs: 100,
  debugData: 20,
  failedRequests: 20,
  sasErrors: 100
};

module.exports.get = {
  getSasErrors: function() {
    return logs.sasErrors;
  },
  getApplicationLogs: function() {
    return logs.applicationLogs;
  },
  getDebugData: function() {
    return logs.debugData;
  },
  getFailedRequests: function() {
    return logs.failedRequests;
  },
  getAllLogs: function () {
    return {
      sasErrors: logs.sasErrors,
      applicationLogs: logs.applicationLogs,
      debugData: logs.debugData,
      failedRequests: logs.failedRequests
    }
  }
};

module.exports.clear = {
  clearApplicationLogs: function() {
    logs.applicationLogs.splice(0, logs.applicationLogs.length);
  },
  clearDebugData: function() {
    logs.debugData.splice(0, logs.debugData.length);
  },
  clearSasErrors: function() {
    logs.sasErrors.splice(0, logs.sasErrors.length);
  },
  clearFailedRequests: function() {
    logs.failedRequests.splice(0, logs.failedRequests.length);
  },
  clearAllLogs: function() {
    this.clearApplicationLogs();
    this.clearDebugData();
    this.clearSasErrors();
    this.clearFailedRequests();
  }
};

/**
*  Adds application logs to an array of logs
*
* @param {String} message - Message to add to applicationLogs
* @param {String} sasProgram - Header - which request did message come from
*
*/
module.exports.addApplicationLog = function(message, sasProgram) {
  if(message === 'blank') {
    return;
  }
  const log = {
    message:    message,
    time:       new Date(),
    sasProgram: sasProgram
  };
  logs.applicationLogs.push(log);

  if(logs.applicationLogs.length > limits.applicationLogs) {
    logs.applicationLogs.shift();
  }
};

/**
* Adds debug data to an array of logs
*
* @param {String} htmlData - Full html log from executor
* @param {String} debugText - Debug text that came after data output
* @param {String} sasProgram - Which program request did message come from
* @param {String} params - Web app params that were received
*
*/
module.exports.addDebugData = function(htmlData, debugText, sasProgram, params) {
  logs.debugData.push({
    debugHtml:  htmlData,
    debugText:  debugText,
    sasProgram: sasProgram,
    params:     params,
    time:       new Date()
  });

  if(logs.debugData.length > limits.debugData) {
    logs.debugData.shift();
  }
};

/**
* Adds failed requests to an array of failed request logs
*
* @param {String} responseText - Full html output from executor
* @param {String} debugText - Debug text that came after data output
* @param {String} sasProgram - Which program request did message come from
*
*/
module.exports.addFailedRequest = function(responseText, debugText, sasProgram) {
  logs.failedRequests.push({
    responseHtml: responseText,
    responseText: debugText,
    sasProgram:   sasProgram,
    time:         new Date()
  });

  //max 20 failed requests
  if(logs.failedRequests.length > limits.failedRequests) {
    logs.failedRequests.shift();
  }
};

/**
* Adds SAS errors to an array of logs
*
* @param {Array} errors - Array of errors to concat to main log
*
*/
module.exports.addSasErrors = function(errors) {
  logs.sasErrors = logs.sasErrors.concat(errors);

  while(logs.sasErrors.length > limits.sasErrors) {
    logs.sasErrors.shift();
  }
};