snappymail/dev/Model/Email.js

(function () {

	'use strict';

	var
		Utils = require('Common/Utils')
	;

	/**
	 * @param {string=} sEmail
	 * @param {string=} sName
	 * @param {string=} sDkimStatus
	 *
	 * @constructor
	 */
	function EmailModel(sEmail, sName, sDkimStatus)
	{
		this.email = sEmail || '';
		this.name = sName || '';
		this.dkimStatus = sDkimStatus || 'none';

		this.clearDuplicateName();
	}

	/**
	 * @static
	 * @param {AjaxJsonEmail} oJsonEmail
	 * @return {?EmailModel}
	 */
	EmailModel.newInstanceFromJson = function (oJsonEmail)
	{
		var oEmailModel = new EmailModel();
		return oEmailModel.initByJson(oJsonEmail) ? oEmailModel : null;
	};

	/**
	 * @type {string}
	 */
	EmailModel.prototype.name = '';

	/**
	 * @type {string}
	 */
	EmailModel.prototype.email = '';

	/**
	 * @type {string}
	 */
	EmailModel.prototype.dkimStatus = 'none';

	EmailModel.prototype.clear = function ()
	{
		this.email = '';
		this.name = '';
		this.dkimStatus = 'none';
	};

	/**
	 * @returns {boolean}
	 */
	EmailModel.prototype.validate = function ()
	{
		return '' !== this.name || '' !== this.email;
	};

	/**
	 * @param {boolean} bWithoutName = false
	 * @return {string}
	 */
	EmailModel.prototype.hash = function (bWithoutName)
	{
		return '#' + (bWithoutName ? '' : this.name) + '#' + this.email + '#';
	};

	EmailModel.prototype.clearDuplicateName = function ()
	{
		if (this.name === this.email)
		{
			this.name = '';
		}
	};

	/**
	 * @param {string} sQuery
	 * @return {boolean}
	 */
	EmailModel.prototype.search = function (sQuery)
	{
		return -1 < (this.name + ' ' + this.email).toLowerCase().indexOf(sQuery.toLowerCase());
	};

	/**
	 * @param {string} sString
	 */
	EmailModel.prototype.parse = function (sString)
	{
		this.clear();

		sString = Utils.trim(sString);

		var
			mRegex = /(?:"([^"]+)")? ?[<]?(.*?@[^>,]+)>?,? ?/g,
			mMatch = mRegex.exec(sString)
		;

		if (mMatch)
		{
			this.name = mMatch[1] || '';
			this.email = mMatch[2] || '';

			this.clearDuplicateName();
		}
		else if ((/^[^@]+@[^@]+$/).test(sString))
		{
			this.name = '';
			this.email = sString;
		}
	};

	/**
	 * @param {AjaxJsonEmail} oJsonEmail
	 * @return {boolean}
	 */
	EmailModel.prototype.initByJson = function (oJsonEmail)
	{
		var bResult = false;
		if (oJsonEmail && 'Object/Email' === oJsonEmail['@Object'])
		{
			this.name = Utils.trim(oJsonEmail.Name);
			this.email = Utils.trim(oJsonEmail.Email);
			this.dkimStatus = Utils.trim(oJsonEmail.DkimStatus || '');

			bResult = '' !== this.email;
			this.clearDuplicateName();
		}

		return bResult;
	};

	/**
	 * @param {boolean} bFriendlyView
	 * @param {boolean=} bWrapWithLink = false
	 * @param {boolean=} bEncodeHtml = false
	 * @return {string}
	 */
	EmailModel.prototype.toLine = function (bFriendlyView, bWrapWithLink, bEncodeHtml)
	{
		var sResult = '';
		if ('' !== this.email)
		{
			bWrapWithLink = Utils.isUnd(bWrapWithLink) ? false : !!bWrapWithLink;
			bEncodeHtml = Utils.isUnd(bEncodeHtml) ? false : !!bEncodeHtml;

			if (bFriendlyView && '' !== this.name)
			{
				sResult = bWrapWithLink ? '<a href="mailto:' + Utils.encodeHtml('"' + this.name + '" <' + this.email + '>') +
					'" target="_blank" tabindex="-1">' + Utils.encodeHtml(this.name) + '</a>' :
						(bEncodeHtml ? Utils.encodeHtml(this.name) : this.name);
			}
			else
			{
				sResult = this.email;
				if ('' !== this.name)
				{
					if (bWrapWithLink)
					{
						sResult = Utils.encodeHtml('"' + this.name + '" <') +
							'<a href="mailto:' + Utils.encodeHtml('"' + this.name + '" <' + this.email + '>') + '" target="_blank" tabindex="-1">' + Utils.encodeHtml(sResult) + '</a>' + Utils.encodeHtml('>');
					}
					else
					{
						sResult = '"' + this.name + '" <' + sResult + '>';
						if (bEncodeHtml)
						{
							sResult = Utils.encodeHtml(sResult);
						}
					}
				}
				else if (bWrapWithLink)
				{
					sResult = '<a href="mailto:' + Utils.encodeHtml(this.email) + '" target="_blank" tabindex="-1">' + Utils.encodeHtml(this.email) + '</a>';
				}
			}
		}

		return sResult;
	};

	/**
	 * @param {string} $sEmailAddress
	 * @return {boolean}
	 */
	EmailModel.prototype.mailsoParse = function ($sEmailAddress)
	{
		$sEmailAddress = Utils.trim($sEmailAddress);
		if ('' === $sEmailAddress)
		{
			return false;
		}

		var
			substr = function (str, start, len) {
				str += '';
				var	end = str.length;

				if (start < 0) {
					start += end;
				}

				end = typeof len === 'undefined' ? end : (len < 0 ? len + end : len + start);

				return start >= str.length || start < 0 || start > end ? false : str.slice(start, end);
			},

			substr_replace = function (str, replace, start, length) {
				if (start < 0) {
					start = start + str.length;
				}
				length = length !== undefined ? length : str.length;
				if (length < 0) {
					length = length + str.length - start;
				}
				return str.slice(0, start) + replace.substr(0, length) + replace.slice(length) + str.slice(start + length);
			},

			$sName = '',
			$sEmail = '',
			$sComment = '',

			$bInName = false,
			$bInAddress = false,
			$bInComment = false,

			$aRegs = null,

			$iStartIndex = 0,
			$iEndIndex = 0,
			$iCurrentIndex = 0
		;

		while ($iCurrentIndex < $sEmailAddress.length)
		{
			switch ($sEmailAddress.substr($iCurrentIndex, 1))
			{
				case '"':
					if ((!$bInName) && (!$bInAddress) && (!$bInComment))
					{
						$bInName = true;
						$iStartIndex = $iCurrentIndex;
					}
					else if ((!$bInAddress) && (!$bInComment))
					{
						$iEndIndex = $iCurrentIndex;
						$sName = substr($sEmailAddress, $iStartIndex + 1, $iEndIndex - $iStartIndex - 1);
						$sEmailAddress = substr_replace($sEmailAddress, '', $iStartIndex, $iEndIndex - $iStartIndex + 1);
						$iEndIndex = 0;
						$iCurrentIndex = 0;
						$iStartIndex = 0;
						$bInName = false;
					}
					break;
				case '<':
					if ((!$bInName) && (!$bInAddress) && (!$bInComment))
					{
						if ($iCurrentIndex > 0 && $sName.length === 0)
						{
							$sName = substr($sEmailAddress, 0, $iCurrentIndex);
						}

						$bInAddress = true;
						$iStartIndex = $iCurrentIndex;
					}
					break;
				case '>':
					if ($bInAddress)
					{
						$iEndIndex = $iCurrentIndex;
						$sEmail = substr($sEmailAddress, $iStartIndex + 1, $iEndIndex - $iStartIndex - 1);
						$sEmailAddress = substr_replace($sEmailAddress, '', $iStartIndex, $iEndIndex - $iStartIndex + 1);
						$iEndIndex = 0;
						$iCurrentIndex = 0;
						$iStartIndex = 0;
						$bInAddress = false;
					}
					break;
				case '(':
					if ((!$bInName) && (!$bInAddress) && (!$bInComment))
					{
						$bInComment = true;
						$iStartIndex = $iCurrentIndex;
					}
					break;
				case ')':
					if ($bInComment)
					{
						$iEndIndex = $iCurrentIndex;
						$sComment = substr($sEmailAddress, $iStartIndex + 1, $iEndIndex - $iStartIndex - 1);
						$sEmailAddress = substr_replace($sEmailAddress, '', $iStartIndex, $iEndIndex - $iStartIndex + 1);
						$iEndIndex = 0;
						$iCurrentIndex = 0;
						$iStartIndex = 0;
						$bInComment = false;
					}
					break;
				case '\\':
					$iCurrentIndex++;
					break;
			}

			$iCurrentIndex++;
		}

		if ($sEmail.length === 0)
		{
			$aRegs = $sEmailAddress.match(/[^@\s]+@\S+/i);
			if ($aRegs && $aRegs[0])
			{
				$sEmail = $aRegs[0];
			}
			else
			{
				$sName = $sEmailAddress;
			}
		}

		if ($sEmail.length > 0 && $sName.length === 0 && $sComment.length === 0)
		{
			$sName = $sEmailAddress.replace($sEmail, '');
		}

		$sEmail = Utils.trim($sEmail).replace(/^[<]+/, '').replace(/[>]+$/, '');
		$sName = Utils.trim($sName).replace(/^["']+/, '').replace(/["']+$/, '');
		$sComment = Utils.trim($sComment).replace(/^[(]+/, '').replace(/[)]+$/, '');

		// Remove backslash
		$sName = $sName.replace(/\\\\(.)/g, '$1');
		$sComment = $sComment.replace(/\\\\(.)/g, '$1');

		this.name = $sName;
		this.email = $sEmail;

		this.clearDuplicateName();
		return true;
	};

	module.exports = EmailModel;

}());