hivedav

commit 13bca4961da42b3730f782da64340148001a1463
parent 8325c344cbf6e16289f87bda99c472c873768518
Author: Andreas Gruhler <andreas.gruhler@adfinis.com>
Date:   Fri, 15 Sep 2023 22:56:24 +0200

chore: comments

Diffstat:
M
server.go
 | 
53
++++++++---------------------------------------------

1 file changed, 8 insertions(+), 45 deletions(-)
diff --git a/server.go b/server.go
@@ -110,6 +110,7 @@ func (s *Server) available(start string, end string) (bool, error) {
 	err = stmt.QueryRow(start, end, start, end, start, end).Scan(&id)
 	if err != nil {
 		if err == sql.ErrNoRows {
+			// We are available if we cannot find any rows
 			return true, nil
 		}
 		return false, err
@@ -118,8 +119,7 @@ func (s *Server) available(start string, end string) (bool, error) {
 }
 
 func (s *Server) Week(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
-	// TODO: make display timezone configurable
-	// display in local time
+	// TODO: make display timezone configurable, display in local time
 	localLocation, err := time.LoadLocation("Local")
 	if err != nil {
 		return
@@ -176,6 +176,7 @@ func (s *Server) Week(w http.ResponseWriter, req *http.Request, ps httprouter.Pa
 			//for d := 0; d < 5; d++ {
 			for _, d := range []int{1,2,3,4,5} {
 				// add/remove 1 minute to make the sql time query in available() below behave correctly
+				// convert to read/compare in UTC from db
 				start := timeIt.Add(time.Hour * time.Duration((d-1)*24 + h)).Add(1 * time.Minute).UTC().Format(sqlDateFmt)
 				end := timeIt.Add(time.Hour * time.Duration((d-1)*24 + h+1)).Add(-1 * time.Minute).UTC().Format(sqlDateFmt)
 				avi, err := s.available(start, end)
@@ -234,6 +235,11 @@ func (s *Server) updateAvailability(calData []caldav.CalData) error {
 			//tzOffsetFrom string
 			// offset which is in use in this time zone observance
 			tzOffsetTo string
+			// TODO:TZOFFSETFROM is the local time offset from GMT
+			// when daylight saving time is in operation,
+			// TZOFFSETTO is the local time offset from GMT when
+			// standard time is in operation
+			// https://stackoverflow.com/questions/3872178/what-does-tzoffsetfrom-and-tzoffsetto-mean
 		)
 
 		if err != nil {
@@ -265,10 +271,6 @@ func (s *Server) updateAvailability(calData []caldav.CalData) error {
 			tzOffsetDurationInt, _ := strconv.Atoi(matches[1])
 			tzOffsetDuration = time.Hour * time.Duration(tzOffsetDurationInt)
     			log.Printf("Found time zone offset: %v\n", tzOffsetDuration)
-			// when the TIMEZONE comp is given, the DTSTART usually references the comp
-			// and we don't have to mess with the offset at all
-			//tzOffsetDuration = time.Duration(0)
-
 			// reset to UTC
 			tzOffsetDuration = time.Hour * time.Duration(-1 * tzOffsetDurationInt)
 		}
@@ -352,45 +354,6 @@ func (s *Server) updateAvailability(calData []caldav.CalData) error {
 
 // parse time from local time zone and return UTC time for sqlite db
 func parseTime(timeStr string, offset time.Duration) (time.Time, error){
-	//var (
-	//	localTime *time.Location
-	//	err error
-	//)
-
-    	//re := regexp.MustCompile(`^(\(*([A-Za-z]+)|[A-Za-z/]+).*`)
-    	//matches := re.FindStringSubmatch(tz)
-	//if len(matches) == 0 {
-	//	log.Printf("Cannot time.LoadLocation() with empty TZID, reverting to UTC")
-	//	// https://pkg.go.dev/time#LoadLocation
-	//	// TODO: Would "Local" fallback be better here?
-	//	// TODO: make fallback timezone for events from server configurable
-	//	localTime, err = time.LoadLocation("Local")
-	//} else {
-    	//	log.Println("Found timezone: ", matches[0])
-    	//	localTime, err = time.LoadLocation(matches[0])
-	//}
-
-	//if err != nil {
-	//	log.Printf("Cannot time.LoadLocation() with uknown TZID '%s', reverting to UTC", tz)
-	//	// TODO: Would "Local" fallback be better here?
-	//	// TODO: make fallback timezone for events from server configurable
-	//	localTime, err = time.LoadLocation("Local")
-	//	if err != nil {
-	//		return time.Time{}, err
-	//	}
-	//}
-
-	//t, err := time.ParseInLocation("20060102T150405Z", timeStr, localTime)
-	//if err != nil {
-	//	t, err = time.ParseInLocation("20060102T150405", timeStr, localTime)
-	//}
-	//if err != nil {
-	//	t, err = time.ParseInLocation("20060102", timeStr, localTime)
-	//}
-	//if err != nil {
-	//	return time.Time{}, err
-	//}
-	//return t.UTC(), nil
 	t, err := time.Parse("20060102T150405Z", timeStr)
 	if err != nil {
 		t, err = time.Parse("20060102T150405", timeStr)