count registrations on event/room (#30)

FachschaftMathPhysInfo · Jul 7, 2024 · 3ade84a · 3ade84a
1 parent 715118f
commit 3ade84a
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Showing 5 changed files with 124 additions and 14 deletions.
diff --git a/server/README.md b/server/README.md
@@ -80,7 +80,9 @@ query {
       room {
         number
         name
+        capacity
       }
+      registrations
     }
     needsTutors
     availableTutors {

diff --git a/server/graph/generated.go b/server/graph/generated.go
diff --git a/server/graph/model/models_gen.go b/server/graph/model/models_gen.go
diff --git a/server/graph/schema.graphqls b/server/graph/schema.graphqls
@@ -35,8 +35,9 @@ type Topic {
 }
 
 type EventTutorRoomPair {
-  tutors: [Tutor!]!
+  tutors: [Tutor!]
   room: Room
+  registrations: Int
 }
 
 type Event {

diff --git a/server/graph/schema.resolvers.go b/server/graph/schema.resolvers.go
@@ -37,9 +37,21 @@ func (r *eventResolver) TutorsAssigned(ctx context.Context, obj *models.Event) (
 		if room, exists := roomMap[roomKey]; exists {
 			room.Tutors = append(room.Tutors, eventToTutorRelation.Tutor)
 		} else {
+			registrationsCount, err := r.DB.NewSelect().
+				Model((*models.StudentToEvent)(nil)).
+				Where("event_id = ?", obj.ID).
+				Where("room_number = ?", eventToTutorRelation.Room.Name).
+				Where("building_id = ?", eventToTutorRelation.BuildingID).
+				Count(ctx)
+
+			if err != nil {
+				return nil, err
+			}
+
 			roomMap[roomKey] = &model.EventTutorRoomPair{
-				Tutors: []*models.Tutor{eventToTutorRelation.Tutor},
-				Room:   eventToTutorRelation.Room,
+				Tutors:        []*models.Tutor{eventToTutorRelation.Tutor},
+				Room:          eventToTutorRelation.Room,
+				Registrations: &registrationsCount,
 			}
 		}
 	}