Delete responses for unsubscribed participants

orm/participant.go

@@ -129,7 +129,7 @@ func (model *Participant) BeforeSave(tx *gorm.DB) error {
 func (model *Participant) AfterSave(tx *gorm.DB) error {
 	for _, contest := range model.Contests {
 		var response Response
-		if err := tx.Debug().FirstOrCreate(
+		if err := tx.FirstOrCreate(
 			&response,
 			&Response{
 				Name:          fmt.Sprintf("%s (%s)", contest.Name, model.String()),
@@ -449,6 +449,31 @@ func (model *Participant) Update(db *Database, args map[string]string, w http.Re
 
 		}
 
+		// Delete responses for unsubscribed participants
+
+		var found bool
+		toBeDeletedResponses := make([]*Response, 0)
+		for _, response := range participant.(*Participant).Responses {
+			for _, contest := range participant.(*Participant).Contests {
+				if response.ContestID == contest.ID {
+					found = true
+					break
+				}
+			}
+			if !found {
+				toBeDeletedResponses = append(toBeDeletedResponses, response)
+			}
+			found = false
+		}
+
+		if len(toBeDeletedResponses) > 0 {
+			for _, response := range toBeDeletedResponses {
+				if err := db._db.Unscoped().Delete(response).Error; err != nil {
+					return nil, err
+				}
+			}
+		}
+
 		return participant.(*Participant), nil
 	}
 }

templates/participants_show.html.tpl

@@ -91,6 +91,7 @@
   <div class="row">
     <div class="col-md-12">
       <h2 class="karmen-relation-header">Gare a cui il partecipante è iscritto</h2>
+      {{if .Data.Responses}}
       {{range $response := .Data.Responses}}
       <div class="card">
 	<div class="card-header">
@@ -102,6 +103,9 @@
 	</div>
       </div>
       {{end}}
+      {{else}}
+      Il partecipante non è iscritto ad alcuna gara.
+      {{end}}
     </div>
   </div>
   {{end}}