var processSlotItem = function(cNum, sNum, sType, dateFormat, slotItem) {
var slotMatches = getSlotItemRe().exec(slotItem);
// If there's no day-time information, we can't generate schedule items
if (!slotMatches[1] || !slotMatches[2] || !slotMatches[3]) {
return [];
}
// Grab info from the slot item
// E.g. TTh -> ['T', 'Th']
var days = slotMatches[1].match(/[A-Z][a-z]?/g);
// FIXME(Sandy): Eventually worry about timezones
// E.g. '2:30PM'
var startTimeStr = formatTime(slotMatches[2]);
// E.g. '3:20PM'
var endTimeStr = formatTime(slotMatches[3]);
// The day can appear in the following formats:
// - '01/23/2013'
// - '23/01/2013'
// - '2013/01/23'
// - '2013-01-07'
var startDateStr = slotMatches[6];
var endDateStr = slotMatches[7];
// E.g. PHY 313, TBA
var location = slotMatches[4].split(/\s+/g);
var building = location[0];
// room will be undefined if the location is 'TBA'
var room = location[1];
// E.g. Anna Lubiw OR Behrad Khamesee,\nJan Huissoon
// If more than one prof, only keep the first one
var profName = slotMatches[5].split(',')[0];
// Generate each UserScheduleItem
// TODO(Sandy): Not sure if Saturday's and Sunday's are S and SU
var weekdayMap = { Su: 0, M: 1, T: 2, W: 3, Th: 4, F: 5, S: 6 };
var hasClassOnDay = [];
_.each(days, function(day) {
hasClassOnDay[weekdayMap[day]] = true;
});
var timeFormats = [dateFormat + (ampm ? ' h:mm A' : ' H:mm')];
var timeZone = "America/Toronto";
var firstStartMoment = moment.tz(startDateStr + " " + startTimeStr,
timeFormats, timeZone);
var firstEndMoment = moment.tz(startDateStr + " " + endTimeStr,
timeFormats, timeZone);
// Time delta between start and end time, in milliseconds
var timeDelta = firstEndMoment - firstStartMoment;
var processedSlotItems = [];
// Iterate through all days in the date range
var currMoment = firstStartMoment;
var slotEndMoment = moment.tz(endDateStr + " " + startTimeStr,
timeFormats, timeZone);
while (currMoment <= slotEndMoment) {
if (hasClassOnDay[currMoment.day()]) {
processedSlotItems.push({
class_num: cNum,
section_num: sNum,
section_type: sType,
start_date: currMoment.unix(),
end_date: currMoment.unix() + (timeDelta / 1000.0),
building: building,
room: room,
prof_name: profName
});
}
/* jshint -W101 */
// When this crosses a DST line, it only changes the date, not the time
//
// > moment("2013-11-02 15:00").add('days', 0).tz("America/Toronto").format()
// "2013-11-02T18:00:00-04:00"
// > moment("2013-11-02 15:00").add('days', 1).tz("America/Toronto").format()
// "2013-11-03T18:00:00-05:00"
//
/* jshint +W101 */
currMoment.add('days', 1);
}
return processedSlotItems;
};
var processSlotItem = function(cNum, sNum, sType, slotItem) {
var slotMatches = getSlotItemRe().exec(slotItem);
// If there's no day-time information, we can't generate schedule items
if (!slotMatches[1] || !slotMatches[2] || !slotMatches[3]) {
return [];
}
// Grab info from the slot item
// E.g. TTh -> ['T', 'Th']
var days = slotMatches[1].match(/[A-Z][a-z]?/g);
// FIXME(Sandy): Eventually worry about timezones
// E.g. '2:30PM'
var startTimeStr = formatTime(slotMatches[2]);
// E.g. '3:20PM'
var endTimeStr = formatTime(slotMatches[3]);
// The day can appear in the following formats:
// - '01/23/2013'
// - '23/01/2013'
// - '2013/01/23'
// - '2013-01-07'
var startDateStr = slotMatches[6];
var endDateStr = slotMatches[7];
// E.g. PHY 313, TBA
var location = slotMatches[4].split(/\s+/g);
var building = location[0];
// room will be undefined if the location is 'TBA'
var room = location[1];
// E.g. Anna Lubiw OR Behrad Khamesee,\nJan Huissoon
// If more than one prof, only keep the first one
var profName = slotMatches[5].split(',')[0];
// Generate each UserScheduleItem
// TODO(Sandy): Not sure if Saturday's and Sunday's are S and SU
var weekdayMap = { Su: 0, M: 1, T: 2, W: 3, Th: 4, F: 5, S: 6 };
var hasClassOnDay = [];
_.each(days, function(day) {
hasClassOnDay[weekdayMap[day]] = true;
});
var dateFormat;
if (startDateStr.indexOf('-') > -1) {
dateFormat = 'YYYY-MM-DD';
} else if ((/\d{4}\/\d{2}\/\d{2}/).exec(startDateStr)) {
dateFormat = 'YYYY/MM/DD';
} else {
// Could be either MM/DD/YYYY or DD/MM/YYYY. It's probably MM/DD/YYYY
// but if that gives impossible results, we'll assume DD/MM/YYYY
// instead. See #107.
var slashRe = /(\d{2})\/(\d{2})\/(\d{4})/;
var startSlashMatch = slashRe.exec(startDateStr);
var startMm = parseInt(startSlashMatch[1], 10);
var startYyyy = parseInt(startSlashMatch[3], 10);
var endSlashMatch = slashRe.exec(endDateStr);
var endMm = parseInt(endSlashMatch[1], 10);
var endYyyy = parseInt(endSlashMatch[3], 10);
if (startMm > 12 || endMm > 12 ||
(startYyyy === endYyyy && startMm > endMm)) {
// Invalid month or backwards range; this must be DD/MM/YYYY.
dateFormat = 'DD/MM/YYYY';
} else {
// All looks good -- assume MM/DD/YYYY.
dateFormat = 'MM/DD/YYYY';
}
}
var timeFormats = [dateFormat + (ampm ? ' h:mm A' : ' H:mm')];
var firstStartMoment = moment.tz(startDateStr + " " + startTimeStr,
timeFormats, "America/Toronto");
var firstEndMoment = moment.tz(startDateStr + " " + endTimeStr,
timeFormats, "America/Toronto");
// Time delta between start and end time, in milliseconds
var timeDelta = firstEndMoment - firstStartMoment;
var processedSlotItems = [];
// Iterate through all days in the date range
var currMoment = firstStartMoment;
var slotEndMoment = moment(endDateStr + " " + startTimeStr, timeFormats);
while (currMoment <= slotEndMoment) {
if (hasClassOnDay[currMoment.day()]) {
processedSlotItems.push({
class_num: cNum,
section_num: sNum,
section_type: sType,
start_date: currMoment.unix(),
end_date: moment(currMoment.unix() * 1000 + timeDelta).unix(),
building: building,
room: room,
prof_name: profName
});
}
/* jshint -W101 */
// When this crosses a DST line, it only changes the date, not the time
//
// > moment("2013-11-02 15:00").add('days', 0).tz("America/Toronto").format()
// "2013-11-02T18:00:00-04:00"
// > moment("2013-11-02 15:00").add('days', 1).tz("America/Toronto").format()
// "2013-11-03T18:00:00-05:00"
//
/* jshint +W101 */
currMoment.add('days', 1);
}
return processedSlotItems;
};