refactored some database retrievle stuff

backend/pkg/db/availabilities/availabilities.go

@@ -1,8 +1,6 @@
 package availabilities
 
-import (
-	"github.com/johannesbuehl/golunteer/backend/pkg/db"
-)
+import "github.com/johannesbuehl/golunteer/backend/pkg/db"
 
 type AvailabilityID int
 

backend/pkg/db/availabilities/userAvailabilities.go

@@ -1,36 +0,0 @@
-package availabilities
-
-import (
-	"github.com/johannesbuehl/golunteer/backend/pkg/db"
-)
-
-type eventAvailabilities struct {
-	UserName       string `db:"userName"`
-	AvailabilityID int    `db:"availabilityID"`
-}
-
-type AvailabilityMap map[int][]string
-
-func Event(eventID int) (AvailabilityMap, error) {
-	// get the availabilities for the event
-	var availabilitiesRows []eventAvailabilities
-
-	if err := db.DB.Select(&availabilitiesRows, "SELECT userName, availabilityID FROM USER_AVAILABILITIES WHERE eventID = ?", eventID); err != nil {
-		return nil, err
-	} else {
-		// transform the result into a map
-		eventAvailabilities := AvailabilityMap{}
-
-		// get the availabilities
-		for _, a := range availabilitiesRows {
-			// if there is no slice for this availability, create it
-			if _, exists := eventAvailabilities[a.AvailabilityID]; !exists {
-				eventAvailabilities[a.AvailabilityID] = make([]string, 0)
-			}
-
-			eventAvailabilities[a.AvailabilityID] = append(eventAvailabilities[a.AvailabilityID], a.UserName)
-		}
-
-		return eventAvailabilities, nil
-	}
-}