daniel-san/core/sorting.js

a node-based budget-projection engine that helps your routines and finances find balance. The program features aggregates, terminal and file-based reporting output, multi-currency conversion capability and multi-frequency accounting triggers, including: o

"use strict";

var _require = require('../utility/validation'),
    isUndefinedOrNull = _require.isUndefinedOrNull;

var _require2 = require('../constants'),
    DATE_DELIMITER = _require2.DATE_DELIMITER;

var compareByPropertyKey = function compareByPropertyKey(a, b, propertyKey) {
  var paramA = typeof a[propertyKey] === 'string' ? a[propertyKey].toLowerCase() : a[propertyKey];
  var paramB = typeof b[propertyKey] === 'string' ? b[propertyKey].toLowerCase() : b[propertyKey];

  if (!isUndefinedOrNull(paramA) && !isUndefinedOrNull(paramB)) {
    if (paramA > paramB) {
      return 1;
    } else if (paramA < paramB) {
      return -1; // eslint-disable-next-line no-else-return
    } else {
      return 0;
    }
  } else if (!isUndefinedOrNull(paramA) && isUndefinedOrNull(paramB)) {
    return -1;
  } else if (isUndefinedOrNull(paramA) && !isUndefinedOrNull(paramB)) {
    return 1;
  } else {
    return 0;
  }
};

var compareTime = function compareTime(a, b) {
  var propertyKey = 'timeStart';
  var paramA = typeof a[propertyKey] === 'string' ? a[propertyKey].toLowerCase() : a[propertyKey];
  var paramB = typeof b[propertyKey] === 'string' ? b[propertyKey].toLowerCase() : b[propertyKey];

  if (!isUndefinedOrNull(paramA) && !isUndefinedOrNull(paramB)) {
    if (paramA.includes('pm') && paramB.includes('am')) {
      return 1;
    } else if (paramA.includes('am') && paramB.includes('pm')) {
      return -1;
    } else if (paramA > paramB) {
      return 1;
    } else if (paramA < paramB) {
      return -1; // eslint-disable-next-line no-else-return
    } else {
      // the times are equal so check if there is a sortPriority to sort against
      // eslint-disable-next-line no-lonely-if
      if (a.sortPriority || b.sortPriority) {
        return compareByPropertyKey(a, b, 'sortPriority'); // eslint-disable-next-line no-else-return
      } else {
        return 0;
      }
    }
  } else if (!isUndefinedOrNull(paramA) && isUndefinedOrNull(paramB)) {
    return -1;
  } else if (!isUndefinedOrNull(paramB) && isUndefinedOrNull(paramA)) {
    return 1;
  } else {
    return 0;
  }
};

var sortEvents = function sortEvents(events) {
  events.sort(function (a, b) {
    var thisDateA = a.dateStart.split(DATE_DELIMITER).join('');
    var thisDateB = b.dateStart.split(DATE_DELIMITER).join('');

    if (thisDateA > thisDateB) {
      return 1;
    } else if (thisDateA < thisDateB) {
      return -1;
    } else if (thisDateA === thisDateB) {
      if (a.timeStart || b.timeStart) {
        return compareTime(a, b); // eslint-disable-next-line no-else-return
      } else {
        // eslint-disable-next-line no-lonely-if
        if (a.sortPriority || b.sortPriority) {
          return compareByPropertyKey(a, b, 'sortPriority'); // eslint-disable-next-line no-else-return
        } else {
          return 0;
        }
      }
    } else {
      return 0;
    } // eslint-disable-next-line no-unreachable


    return 0; // this line is unreachable/dead code, but it satisfies another linting error
  });
};

module.exports = {
  compareByPropertyKey: compareByPropertyKey,
  compareTime: compareTime,
  sortEvents: sortEvents
};