SansWord/lookup_fortune_calendar.js

## lookup_fortune_calendar.js
/*jslint indent: 4 */

/*global
jQuery: false,
alert: false,
window: false,
queryNext: false,
*/
/**
 * dump fortune of each day using javascript.
 *
 * which I don't buy it. only for production purpose.
 *
 * you should use this function in
 * http://tw.18dao.net/
 * this website to avoid cross-access restriction.
 *
 * modify success to save result to a global object,
 * modify complete to execute next query,
 *
 * finally, use saveAsText to download total result.
 */
var startTime,
    TOTAL_RESULT = [],
    FORCE_STOP = false,
    END_YEAR = 2023;

function add0(value) {
    return (value < 10 ? (value === 0 ? "00" : "0" + value) : value);
}

function extractContent(content, start, end) {
    var resultAndNext = content.substring(content.indexOf(start));
    var nextIndex = resultAndNext.indexOf(end);
    return resultAndNext.substring(0, nextIndex).trim().substring(start.length + 1).trim();
}

function queryFortune(year, month, day) {
    console.log("query:" + add0(year) + "_" + add0(month) + "_" + add0(day));
    jQuery.ajax(
        "http://tw.18dao.net/%E6%AF%8F%E6%97%A5%E9%BB%83%E6%9B%86/" + year + "%E5%B9%B4" + month + "%E6%9C%88" + day + "%E6%97%A5",
        {
            success: function (content) {
                var good = "【宜】",
                    bad = "【忌】",
                    lunarDate = "【農曆】",
                    end = "</p>",
                    goodString = extractContent(content, good, end),
                    badString = extractContent(content, bad, end),
                    lunarString = extractContent(content, lunarDate, end),
                    fortune = {
                        good: goodString,
                        bad: badString,
                        lunarDate: lunarString,
                        date: add0(year) + "_" + add0(month) + "_" + add0(day)
                    };

                // console.log(fortune);
                TOTAL_RESULT.push(fortune);
            },
            error: function () {
                console.log("error");
            },
            complete: function () {
                setTimeout(function () {
                    queryNext(year, month, day);
                }, 300);
            }
        }
    );
}

function queryNext(year, month, day) {
    if (FORCE_STOP) {
        return;
    }
    if (day < 31) {
        queryFortune(year, month, day + 1);
    } else {
        if (month < 12) {
            queryFortune(year, month + 1, 1);
        } else {
            if (year < END_YEAR) {
                queryFortune(year + 1, 1, 1);
            } else {
                alert(
                    "complete! last date is:"
                        + add0(year) + "_" + add0(month) + "_" + add0(day)
                        + ", it takes "
                        + (new Date().getTime() - startTime.getTime())
                        + "ms"
                );
            }
        }
    }
}

function saveAsText(obj) {
    var src = 'data:text/html;charset=utf-8,<!DOCTYPE%20html><html%20lang%3D"en"><head><%2Fhead><body>' + encodeURIComponent(JSON.stringify(obj)) + '<%2Fbody><%2Fhtml>';
    window.open(src, '_blank');
}
	/jslint indent: 4 /

	/*global
	jQuery: false,
	alert: false,
	window: false,
	queryNext: false,
	*/
	/**
	* dump fortune of each day using javascript.
	*
	* which I don't buy it. only for production purpose.
	*
	* you should use this function in
	* http://tw.18dao.net/
	* this website to avoid cross-access restriction.
	*
	* modify success to save result to a global object,
	* modify complete to execute next query,
	*
	* finally, use saveAsText to download total result.
	*/
	var startTime,
	TOTAL_RESULT = [],
	FORCE_STOP = false,
	END_YEAR = 2023;

	function add0(value) {
	return (value < 10 ? (value === 0 ? "00" : "0" + value) : value);
	}

	function extractContent(content, start, end) {
	var resultAndNext = content.substring(content.indexOf(start));
	var nextIndex = resultAndNext.indexOf(end);
	return resultAndNext.substring(0, nextIndex).trim().substring(start.length + 1).trim();
	}

	function queryFortune(year, month, day) {
	console.log("query:" + add0(year) + "_" + add0(month) + "_" + add0(day));
	jQuery.ajax(
	"http://tw.18dao.net/%E6%AF%8F%E6%97%A5%E9%BB%83%E6%9B%86/" + year + "%E5%B9%B4" + month + "%E6%9C%88" + day + "%E6%97%A5",
	{
	success: function (content) {
	var good = "【宜】",
	bad = "【忌】",
	lunarDate = "【農曆】",
	end = "</p>",
	goodString = extractContent(content, good, end),
	badString = extractContent(content, bad, end),
	lunarString = extractContent(content, lunarDate, end),
	fortune = {
	good: goodString,
	bad: badString,
	lunarDate: lunarString,
	date: add0(year) + "_" + add0(month) + "_" + add0(day)
	};

	// console.log(fortune);
	TOTAL_RESULT.push(fortune);
	},
	error: function () {
	console.log("error");
	},
	complete: function () {
	setTimeout(function () {
	queryNext(year, month, day);
	}, 300);
	}
	}
	);
	}

	function queryNext(year, month, day) {
	if (FORCE_STOP) {
	return;
	}
	if (day < 31) {
	queryFortune(year, month, day + 1);
	} else {
	if (month < 12) {
	queryFortune(year, month + 1, 1);
	} else {
	if (year < END_YEAR) {
	queryFortune(year + 1, 1, 1);
	} else {
	alert(
	"complete! last date is:"
	+ add0(year) + "_" + add0(month) + "_" + add0(day)
	+ ", it takes "
	+ (new Date().getTime() - startTime.getTime())
	+ "ms"
	);
	}
	}
	}
	}

	function saveAsText(obj) {
	var src = 'data:text/html;charset=utf-8,<!DOCTYPE%20html><html%20lang%3D"en"><head><%2Fhead><body>' + encodeURIComponent(JSON.stringify(obj)) + '<%2Fbody><%2Fhtml>';
	window.open(src, '_blank');
	}