private static async Task <ChangedObject> SaveEventFile(IEnumerable <EventEntry> events)
{
var filename = events.First().Filename;
var eventFile = FilesystemHelper.GenerateFileInfo(EVENT_DIRECTORY, filename);
var content = JsonHelper.ConvertToJson(events);
var result = await FilesystemHelper.WriteAllTextAsyncOnlyWhenChanged(eventFile, content);
return(new ChangedObject(filename, result.ChangeState));
}
private static async Task SaveAllEventsCsv(IEnumerable <EventEntry> events)
{
const string datetimeformat = "d MMM yyyy HH:mm";
var file = FilesystemHelper.GenerateFileInfo(EVENT_DIRECTORY, "all", ".csv");
var lines = events.Select(o => string.Join(';', new string[] { o.Name, o.Location, o.StartDateTime.ToString(datetimeformat), o.EndDateTime.ToString(datetimeformat), o.Description })).ToArray();
var headline = string.Join(';', new string[] { "Name", "Location", "StartTime", "EndTime", "Description" });
var content = headline + '\n' + string.Join('\n', lines);
await File.WriteAllTextAsync(file.FullName, content);
}
private static FileInfo GetCalendarFileOfUser(Userconfig config)
{
var filename = config.chat.id.ToString();
if (!string.IsNullOrWhiteSpace(config.config.calendarfileSuffix))
{
filename += "-" + config.config.calendarfileSuffix;
}
var file = FilesystemHelper.GenerateFileInfo(CALENDAR_DIRECTORY, filename, ".ics");
return(file);
}
private static async Task DoStuff()
{
Log("start download at " + DateTime.Now);
var icsEvents = await GetIcsEvents(SOURCE_URIS);
Log("ICS Events: " + icsEvents.Length);
//var informatikTxtEvents = await GetInformatikTxtEvents(INFORMATIK_TXT_URI);
//Log("informatik.txt Events: " + informatikTxtEvents.Length);
var additionals = await GetAdditionalsFromGithub(ADDITIONALS_GITHUB_TEMP_DIRECTORY);
Log("Additional Events: " + additionals.Length);
var exams = await GetExams(KLAUSUREN_CSV_URI);
Log("Exam Events: " + exams.Length);
var events = icsEvents
//.Concat(informatikTxtEvents)
.Concat(additionals)
.Concat(exams)
.Distinct()
.OrderBy(o => o.Name)
.ThenBy(o => o.StartTime)
.ToArray();
Log("Total Events: " + events.Length);
var eventsByName = events.GroupBy(o => o.Name);
Log("EventsByName: " + eventsByName.Count());
Log("Save Events to " + EVENT_DIRECTORY.FullName);
await SaveAllEventsCsv(events);
var changedFiles = await eventsByName.Select(o => SaveEventFile(o)).WhenAll();
if (changedFiles.CountCreated() > 0)
{
Log(changedFiles.OnlyCreated().ToArrayString("Created"));
}
if (changedFiles.CountChanged() > 0)
{
Log(changedFiles.OnlyChanged().ToArrayString("Changed"));
}
Log("Unchanged " + changedFiles.CountUnchanged());
Log("Delete not anymore existing event files...");
var fileNamesOfEvents = eventsByName
.Select(o => o.Key)
.Select(EventEntry.GetFilename)
.ToArray();
var unneeded = EVENT_DIRECTORY.EnumerateFiles("*.json")
.Where(o => !fileNamesOfEvents.Contains(o.Name))
.ToArray();
if (unneeded.Any())
{
Log(unneeded.ToArrayString("Delete"));
foreach (var item in unneeded)
{
item.Delete();
}
Log("Deleted");
}
else
{
Log("Nothing to delete");
}
Log("Save Event list file...");
var eventList = string.Join("\n", eventsByName.Select(o => o.Key));
var eventFileList = FilesystemHelper.GenerateFileInfo(EVENT_DIRECTORY, "all.txt");
await FilesystemHelper.WriteAllTextAsyncOnlyWhenChanged(eventFileList, eventList);
Log("Saved Event list");
await File.WriteAllTextAsync("last-successful-run", DateTime.Now.ToString());
}
