added availability changing to events view

backend/pkg/db/events/events.go

@@ -35,6 +35,11 @@ type EventWithAvailabilities struct {
 	Availabilities availabilities.AvailabilityMap `json:"availabilities"`
 }
 
+type EventWithAssignmentsUserAvailability struct {
+	EventWithAssignments
+	Availability *int `json:"availability" db:"availabilityID"`
+}
+
 type EventCreate struct {
 	Date        string `db:"date" json:"date" validate:"required,datetime=2006-01-02T15:04:05.999999999Z"`
 	Description string `db:"description" json:"description"`
@@ -54,6 +59,19 @@ func (e EventData) WithAssignments() (EventWithAssignments, error) {
 	}
 }
 
+func (e EventWithAssignments) WithUserAvailability(userName string) (EventWithAssignmentsUserAvailability, error) {
+	// get the availability of the user
+	event := EventWithAssignmentsUserAvailability{
+		EventWithAssignments: e,
+	}
+
+	if err := db.DB.Select(&event, "SELECT availabilityID FROM USER_AVAILABILITIES WHERE eventID = $1 AND userName = $2", e.EventID, userName); err != nil {
+		return EventWithAssignmentsUserAvailability{}, err
+	} else {
+		return event, nil
+	}
+}
+
 func (e EventData) WithAvailabilities() (EventWithAvailabilities, error) {
 	// get the event with assignments
 	if event, err := e.WithAssignments(); err != nil {
@@ -217,6 +235,26 @@ func WithAvailabilities() ([]EventWithAvailabilities, error) {
 	}
 }
 
+func WithUserAvailability(userName string) ([]EventWithAssignmentsUserAvailability, error) {
+	var events []EventWithAssignmentsUserAvailability
+
+	if err := db.DB.Select(&events, "SELECT EVENTS.eventID, EVENTS.description, EVENTS.date, USER_AVAILABILITIES.availabilityID FROM EVENTS LEFT JOIN USER_AVAILABILITIES ON EVENTS.eventID = USER_AVAILABILITIES.eventID AND USER_AVAILABILITIES.userName = $1", userName); err != nil {
+		return nil, err
+	} else {
+		// get the assignments for every event
+		for ii, event := range events {
+			if eventWithAssignments, err := event.EventWithAssignments.EventData.WithAssignments(); err != nil {
+				// remove the current event from the events
+				events = append(events[:ii], events[ii+1:]...)
+			} else {
+				events[ii].EventWithAssignments = eventWithAssignments
+			}
+		}
+
+		return events, nil
+	}
+}
+
 func UserPending(userName string) ([]EventData, error) {
 	var result []EventData
 

backend/pkg/router/events.go

@@ -90,6 +90,17 @@ func (a *Handler) getEventsAvailabilities() {
 	}
 }
 
+func (a *Handler) getEventUserAssignmentAvailability() {
+	// retrieve the assignments
+	if events, err := events.WithUserAvailability(a.UserName); err != nil {
+		a.Status = fiber.StatusBadRequest
+
+		logger.Log().Msgf("getting events with tasks and user-availability failed: %v", err)
+	} else {
+		a.Data = events
+	}
+}
+
 func (a *Handler) getEventsUserPending() {
 	if events, err := events.UserPending(a.UserName); err != nil {
 		a.Status = fiber.StatusInternalServerError

backend/pkg/router/router.go

@@ -83,6 +83,9 @@ func init() {
 			// all events with the availabilities of the individual users
 			"events/availabilities": (*Handler).getEventsAvailabilities,
 
+			// all events with the task-assignments and the availability of the current user
+			"events/user/assignmentAvailability": (*Handler).getEventUserAssignmentAvailability,
+
 			// events the user has to enter his availability for
 			"events/user/pending": (*Handler).getEventsUserPending,