/// <summary>
/// Divides list of ExportLecture(s) to groups of overlapping lectures.
/// </summary>
/// <returns> List of groups (group = another list) of ExportLecture(s) </returns>
/// <param name="lectures">List of ExportLecture(s) to divide.</param>
public List<List<ExportLecture>> divideToGroups(List<ExportLecture> lectures)
{
List<List<ExportLecture>> groups = new List<List<ExportLecture>>();
groups.Add(new List<ExportLecture>());
foreach (ExportLecture l in lectures)
{
var lastgroup = groups[groups.Count - 1];
if (lastgroup.Count < 1)
{
groups[groups.Count - 1].Add(l);
}
//Is lecture l starting sooner than end time of the last lecture in last group (with 10 minutes toleration)?
else if (DateTime.Compare(l.StartTime, lastgroup.Max(lec => lec.StartTime + lec.Length - new TimeSpan(0, 10, 0))) < 0
&& l.Day == lastgroup[lastgroup.Count - 1].Day)
{
//All lectures intersecting with l
IEnumerable<ExportLecture> intersecting = lastgroup.Where(lec => (DateTime.Compare(l.StartTime, lec.StartTime + lec.Length - new TimeSpan(0, 10, 0)) < 0));
//Only have to worry about 3 and more lectures in one group
//If lecture l is intersecting with all of lectures in lastgroup then it belongs to the group
if (lastgroup.Count <= 1 || intersecting.Count() == lastgroup.Count)
{
lastgroup.Add(l);
}
//Otherwise create a new group with fake lectures
else
{
List<ExportLecture> newGroup = new List<ExportLecture>();
//Fake lectures from all last group lectures
foreach (ExportLecture lastGroupLec in lastgroup)
{
ExportLecture fakeLecture = null;
//Treat intersecting lectures as not null
if (intersecting.Contains(lastGroupLec))
{
fakeLecture = new ExportLecture(null, lastGroupLec.Day, lastGroupLec.StartTime, lastGroupLec.Length, null, null, null, true);
}
//Non-intersecting lecture are null = empty slots
newGroup.Add(fakeLecture);
}
//Find first empty slot in newGroup (null lecture) and swap with lecture l
int index = newGroup.FindIndex(lecture => lecture == null);
newGroup[index] = l;
//Finally remove all empty slots and add the newGroup to the groups
newGroup.RemoveAll(lecture => lecture == null);
groups.Add(newGroup);
lastgroup = newGroup;
}
}
else
{
groups.Add(new List<ExportLecture>());
lastgroup = groups[groups.Count - 1];
lastgroup.Add(l);
}
}
return groups;
}
/// <summary>
/// Generates string in iCal format.
/// </summary>
/// <returns> String following ICal format. </returns>
/// <param name="lectures">List of lectures with IExportHodina interface to export.</param>
/// <param name="semesterStart">Beginning of the semester. Only Year, Month and Day are used. </param>
/// <param name="semesterEnd">End of the semester. Only Year, Month and Day are used. </param>
public string generateICal(List<TimetableField> lectures, DateTime semesterStart, DateTime semesterEnd)
{
string header = "BEGIN:VCALENDAR" + System.Environment.NewLine + "VERSION:2.0" +
System.Environment.NewLine + "PRODID:-//hacksw/handcal//NONSGML v1.0//EN" +
System.Environment.NewLine;
string body = "";
foreach (TimetableField lecture in lectures)
{
var exportLecture = new ExportLecture(lecture);
body += generateEventFromExportHodina(exportLecture, semesterStart, semesterEnd);
}
string tail = "END:VCALENDAR";
return header + body + tail;
}
public void TestGenerate()
{
ExportLecture a = new ExportLecture("PredmetA", DayOfWeek.Monday, new DateTime(1, 1, 1, 7, 30, 0), new TimeSpan(2, 0, 0),
"OsobaA", "MistnostA", "#99999", true);
ExportLecture b = new ExportLecture("PredmetB", DayOfWeek.Tuesday, new DateTime(1, 1, 1, 17, 0, 0), new TimeSpan(1, 0, 0),
"OsobaB", "MistnostB", "#99999", true);
var hodiny = new List<ExportLecture>();
hodiny.Add(a);
hodiny.Add(b);
DateTime semesterStart = new DateTime(2013, 9, 19);
DateTime semesterEnd = new DateTime(2014, 2, 19);
ICalGenerator gen = new ICalGenerator();
string actualOutput = gen.generateICal(hodiny, semesterStart, semesterEnd);
string stamp = gen.dateTimeDateToICalString(DateTime.Today) +
gen.hourToICalString(DateTime.Now.Hour, DateTime.Now.Minute);
string semStartA = gen.dateTimeDateToICalString(gen.closestDayFromDateTime(semesterStart, a.Day));
string semStartB = gen.dateTimeDateToICalString(gen.closestDayFromDateTime(semesterStart, b.Day));
string semEnd = gen.dateTimeDateToICalString(semesterEnd);
string goodOutput = "BEGIN:VCALENDAR" + System.Environment.NewLine +
"VERSION:2.0" + System.Environment.NewLine +
"PRODID:-//hacksw/handcal//NONSGML v1.0//EN" + System.Environment.NewLine +
"BEGIN:VEVENT" + System.Environment.NewLine +
"DTSTAMP:" + stamp + System.Environment.NewLine +
"DTSTART:" + semStartA + "T073000" + System.Environment.NewLine +
"DTEND:" + semStartA + "T093000" + System.Environment.NewLine +
"RRULE:FREQ=WEEKLY;UNTIL=" + semEnd + "T000000Z" + System.Environment.NewLine +
"SUMMARY:PredmetA" + System.Environment.NewLine +
"LOCATION:MistnostA" + System.Environment.NewLine +
"END:VEVENT" + System.Environment.NewLine +
"BEGIN:VEVENT" + System.Environment.NewLine +
"DTSTAMP:" + stamp + System.Environment.NewLine +
"DTSTART:" + semStartB + "T170000" + System.Environment.NewLine +
"DTEND:" + semStartB + "T180000" + System.Environment.NewLine +
"RRULE:FREQ=WEEKLY;UNTIL=" + semEnd + "T000000Z" + System.Environment.NewLine +
"SUMMARY:PredmetB" + System.Environment.NewLine +
"LOCATION:MistnostB" + System.Environment.NewLine +
"END:VEVENT" + System.Environment.NewLine +
"END:VCALENDAR";
Assert.AreEqual<string>(goodOutput, actualOutput);
}
private string generateEventFromExportHodina(ExportLecture lecture, DateTime semesterStart, DateTime semesterEnd)
{
string semStart = dateTimeDateToICalString(
closestDayFromDateTime(semesterStart, lecture.Day));
string semEnd = dateTimeDateToICalString(semesterEnd);
string head = "BEGIN:VEVENT" + System.Environment.NewLine;
string stamp = "DTSTAMP:" + dateTimeDateToICalString(DateTime.Today) +
hourToICalString(DateTime.Now.Hour, DateTime.Now.Minute) + System.Environment.NewLine;
string start = "DTSTART:" + semStart +
hourToICalString(lecture.StartTime.Hour, lecture.StartTime.Minute) +
System.Environment.NewLine;
string end = "DTEND:" + semStart +
hourToICalString((lecture.StartTime + lecture.Length).Hour,
(lecture.StartTime + lecture.Length).Minute) +
System.Environment.NewLine;
string repeat = "RRULE:FREQ=WEEKLY;UNTIL=" + semEnd + "T000000Z" +
System.Environment.NewLine;
string summarry = "SUMMARY:" + lecture.Name + System.Environment.NewLine;
string loc = "LOCATION:" + lecture.Room + System.Environment.NewLine;
string tail = "END:VEVENT" + System.Environment.NewLine;
return head + stamp + start + end + repeat + summarry + loc + tail;
}
private string RenderLecture(ExportLecture lecture, int split, int pos)
{
string res = "";
double height = 50.0 / split;
double width = xSpan(lecture.Length);
double x = xStartHour(lecture.StartTime);
double y = yStartDay(lecture.Day);
double dy = height * pos;
//Borders
res += String.Format(new NumberFormatInfo(), "<rect height=\"{0}\" width=\"{1}\" y=\"{2}\" x=\"{3}\" class=\"cardBack\" fill=\"#fff\"/>",
height, width, y + dy, x) + System.Environment.NewLine;
//x="{$x + 1}" y="{$y + $dy + 1}" width="{$width - 2}" height="{$height - 2}"
res += String.Format(new NumberFormatInfo(), "<rect stroke-opacity=\"0.5\" fill-opacity=\"0\" height=\"{0}\" width=\"{1}\" stroke=\"{4}\" y=\"{2}\" x=\"{3}\" stroke-width=\"2\" class=\"cardFrame\"/>",
height - 2, width - 2, y + dy + 1, x + 1, lecture.DepartementColor) + System.Environment.NewLine;
if (split >= 3)
{
//Fills
res += String.Format(new NumberFormatInfo(), "<rect height=\"{0}\" width=\"{1}\" y=\"{2}\" x=\"{3}\" class=\"cardTop\" fill=\"{4}\"/>",
height / (4 - split), width, y + dy, x, lecture.DepartementColor) + System.Environment.NewLine;
//Texts
//x="{$x + $width div 2}" y="{$y + $dy + $height div 5 * 2 + 6}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"stroke-width: 2px; stroke: #fff; stroke-linejoin: miter; font-size: 12px; font-weight: bold; text-anchor: middle; font-family: sans-serif;\">{2}</text>",
y + dy + height / 5 * 2 + 6, x + width / 2, lecture.Name) + System.Environment.NewLine;
//x="{$x + $width div 2}" y="{$y + $dy + $height div 5 * 2 + 6 }"
//if red in krbalek then it have class=\"label periodic\"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"font-size: 12px; font-weight: bold; text-anchor: middle; font-family: sans-serif;\" class=\"label {3}\">{2}</text>",
y + dy + height / 5 * 2 + 6, x + width / 2, lecture.Name, lecture.RegularLecture ? "" : "periodic") + System.Environment.NewLine;
//Room
//x="{$x + $width - 5}" y="{$y + $dy + $height - 3}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"fill: #000; font-size: 9px; text-anchor: end; font-family: sans-serif;\" class=\"classroomText\">{2}</text>",
y + dy + height - 5, x + width - 5, lecture.Room) + System.Environment.NewLine;
//Lecturer
//x="{$x + 5}" y="{$y + $dy + $height - 3}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"fill: #000; font-size:9px; text-anchor: start; font-family: sans-serif;\" class=\"lecturerText\">{2}</text>",
y + dy + height - 5, x + 5, lecture.Lecturer) + System.Environment.NewLine;
}
else
{
//Fills
//x="{$x}" y="{$y + $dy}" width="{$width}" height="{$height - $height div (4 - $split)}"
res += String.Format(new NumberFormatInfo(), "<rect height=\"{0}\" width=\"{1}\" y=\"{2}\" x=\"{3}\" class=\"cardTop\" fill=\"{4}\"/>",
height - (height / (4 - split)), width, y + dy, x, lecture.DepartementColor) + System.Environment.NewLine;
//x="{$x}" y="{$y + $dy + $height - $height * 1 div (4 - $split)}" width="{$width}" height="{$height div (4 - $split)}"
res += String.Format(new NumberFormatInfo(), "<rect height=\"{0}\" width=\"{1}\" y=\"{2}\" x=\"{3}\" class=\"cardBottom\" fill=\"#fff\"/>",
height / (4 - split), width, y + dy + (height - (height / (4 - split))), x) + System.Environment.NewLine;
//Texts
//x="{$x + $width div 2}" y="{$y + $dy + $height div 5 * 2 + 4 - $split * 2}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"stroke-width: 2px; stroke: #fff; stroke-linejoin: miter; font-size: 12px; font-weight: bold; text-anchor: middle; font-family: sans-serif;\">{2}</text>",
y + dy + height / 5 * 2 + 4 - split * 2, x + width / 2, lecture.Name) + System.Environment.NewLine;
//x="{$x + $width div 2}" y="{$y + $dy + $height div 5 * 2 + 4 - $split * 2}"
//if red in krbalek then it have class=\"label periodic\"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"font-size: 12px; font-weight: bold; text-anchor: middle; font-family: sans-serif;\" class=\"label {3}\">{2}</text>",
y + dy + height / 5 * 2 + 4 - split * 2, x + width / 2, lecture.Name, lecture.RegularLecture ? "" : "periodic") + System.Environment.NewLine;
//Room
//x="{$x + $width - 5}" y="{$y + $dy + $height - 6 + $split}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"fill: #000; font-size: 9px; text-anchor: end; font-family: sans-serif;\" class=\"classroomText\">{2}</text>",
y + dy + height - 6 + split, x + width - 5, lecture.Room) + System.Environment.NewLine;
//Lecturer
//x="{$x + 5}" y="{$y + $dy + $height - 6 + $split}"
res += String.Format(new NumberFormatInfo(), "<text y=\"{0}\" x=\"{1}\" style=\"fill: #000; font-size:9px; text-anchor: start; font-family: sans-serif;\" class=\"lecturerText\">{2}</text>",
y + dy + height - 6 + split, x + 5, lecture.Lecturer) + System.Environment.NewLine;
}
return res;
}
