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xCalOrg.go
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xCalOrg.go
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package campusonline
import (
"encoding/xml"
"fmt"
"io/ioutil"
"net/http"
"regexp"
"sort"
"strconv"
"strings"
"time"
"unicode"
)
const CsOrgId = 53598 // Computer Science
const CeOrgId = 53599 // Computer Engineering
const MaOrgID = 53597 // Mathematics
const PhOrgID = 53217 // Physics
const xCalOrgDN = "xcal/organization/courses/xml?token=%s&timeMode=absolute&orgUnitID=%d&fromDate=%s&untilDate=%s"
// GetXCalCs returns all events in the specified time stamp for the cs organization
func (c *CampusOnline) GetXCalCs(from time.Time, until time.Time) (ICalendar, error) {
return c.GetXCalOrg(from, until, CsOrgId)
}
// GetXCalCe returns all events in the specified time stamp for the ce organization
func (c *CampusOnline) GetXCalCe(from time.Time, until time.Time) (ICalendar, error) {
return c.GetXCalOrg(from, until, CeOrgId)
}
// GetXCalMa returns all events in the specified time stamp for the Mathematics organization
func (c *CampusOnline) GetXCalMa(from time.Time, until time.Time) (ICalendar, error) {
return c.GetXCalOrg(from, until, MaOrgID)
}
// GetXCalPh returns all events in the specified time stamp for the physics organization
func (c *CampusOnline) GetXCalPh(from time.Time, until time.Time) (ICalendar, error) {
return c.GetXCalOrg(from, until, PhOrgID)
}
func (c *CampusOnline) GetXCalOrg(from time.Time, until time.Time, orgID int) (ICalendar, error) {
url := baseURL + fmt.Sprintf(xCalOrgDN, c.token, orgID, from.Format("20060102"), until.Format("20060102"))
println(url)
resp, err := http.Get(url)
if err != nil {
return ICalendar{}, err
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return ICalendar{}, err
}
var res ICalendar
err = xml.Unmarshal(body, &res)
if err != nil {
return ICalendar{}, err
}
return res, nil
}
func (c *ICalendar) Sort() {
sort.Sort(c.Vcalendar.Events)
}
func (c *ICalendar) Filter() {
var newEvents []VEvent
re, _ := regexp.Compile("^[0-9]+")
for _, event := range c.Vcalendar.Events {
if strings.Contains(event.Summary, "Praktikum Systemadministration") {
event.Location.Text = "5620.01.102 (102, Hörsaal 2, \"Interims I\"), Boltzmannstr. 5(5620), 85748 Garching b. München"
}
if (event.Status == "fix" || event.Status == "geplant") &&
inRoomList(event.Location.Text) &&
!strings.Contains(strings.ToLower(event.Comment), "videoübertragung aus") {
// remove prepending digits
event.Summary = strings.TrimSpace(re.ReplaceAllString(event.Summary, ""))
// Replace with readable locations
newLocation := event.Location.Text
for k, e := range roomList {
if strings.Contains(newLocation, k) {
event.Location.Text = e
break
}
}
newEvents = append(newEvents, event)
}
}
c.Vcalendar.Events = newEvents
}
var roomList = map[string]string{
"5602.EG.001": "MI HS1",
"5604.EG.011": "MI HS2",
"5606.EG.011": "MI HS3",
"8120.01.101": "Audimax im Galileo",
"5608.EG.038": "00.08.038",
"5613.EG.009A": "00.13.009A",
"5620.01.101": "Interims I 101",
"5620.01.102": "Interims I 102",
"5510.02.001": "MW 2001",
"5510.EG.001": "MW 0001",
"5607.EG.014": "00.07.014",
}
func inRoomList(roomText string) bool {
for s := range roomList {
if strings.Contains(roomText, s) {
return true
}
}
return false
}
func (c *ICalendar) GroupByCourse() []Course {
slugCount := map[string]int{} // keep track of slug dupes
courses := map[string]*Course{}
for _, event := range c.Vcalendar.Events {
TOUrl := event.Description.Altrep
splitUrl := strings.Split(TOUrl, "course/")
if len(splitUrl) != 2 {
continue
}
foundCourse, found := courses[splitUrl[1]]
start, parseErr := time.ParseInLocation("20060102T150405", event.Dtstart, time.Local)
if parseErr != nil {
continue
}
end, parseErr := time.ParseInLocation("20060102T150405", event.Dtend, time.Local)
if parseErr != nil {
continue
}
if !found {
cID, err := strconv.Atoi(splitUrl[1])
if err != nil {
continue
}
// take care of slug dupes
slug := generateCourseSlug(event.Summary)
count, found := slugCount[slug]
if found {
slugCount[slug]++
slug += fmt.Sprintf("%d", count)
} else {
slugCount[slug] = 1
}
// create course with event
courses[splitUrl[1]] = &Course{
Title: event.Summary,
Slug: slug,
CourseID: cID,
Import: false,
Events: []Event{{
Start: start,
End: end,
RoomName: event.Location.Text,
Comment: event.Comment,
Import: true,
}},
Contacts: nil,
}
} else {
uidArr := strings.Split(event.Uid, "@")
uid := ""
if len(uidArr) > 0 {
uid = uidArr[0]
}
foundCourse.Events = append(foundCourse.Events, Event{
Title: "",
Start: start,
End: end,
RoomName: event.Location.Text,
Comment: event.Comment,
Import: true,
EventID: uid,
})
}
}
var res []Course
for _, course := range courses {
res = append(res, *course)
}
return res
}
func generateCourseSlug(title string) string {
courseSlug := ""
for _, l := range strings.Split(title, " ") {
runes := []rune(l)
if len(runes) != 0 && (unicode.IsNumber(runes[0]) || unicode.IsLetter(runes[0])) {
courseSlug += string(runes[0])
}
}
return courseSlug
}
func (c CampusOnline) LoadCourseContacts(courses []Course) ([]Course, error) {
for i := range courses {
url := baseURL + fmt.Sprintf(courseExportDN, c.token, courses[i].CourseID)
got, err := http.Get(url)
if err != nil {
return nil, err
}
body, err := ioutil.ReadAll(got.Body)
if err != nil {
return nil, err
}
var res CDM
err = xml.Unmarshal(body, &res)
if err != nil {
return nil, err
}
hasMainContact := false
for _, person := range res.Course.Contacts.Person {
isMainContact := false
pRole := ""
for _, r := range person.Role {
if pRole != "" {
pRole += ", "
}
pRole += r.Text
}
if !hasMainContact && (strings.Contains(strings.ToLower(pRole), "leiter") || strings.Contains(strings.ToLower(pRole), "prüfer")) {
isMainContact = true
hasMainContact = true
}
courses[i].Contacts = append(courses[i].Contacts, ContactPerson{
FirstName: person.Name.Given,
LastName: person.Name.Family,
Email: person.ContactData.Email,
Role: pRole,
MainContact: isMainContact,
})
}
if !hasMainContact && len(courses[i].Contacts) != 0 {
courses[i].Contacts[0].MainContact = true
}
}
return courses, nil
}