Add some statistical info to contest view

orm/contest.go

@@ -33,8 +33,11 @@ type Contest struct {
 
 	ResetStartTime bool
 
-	Questions    []*Question
+	Questions        []*Question
-	Participants []*Participant `gorm:"many2many:subscriptions"`
+	Participants     []*Participant `gorm:"many2many:subscriptions"`
+	Responses        []*Response
+	StartedResponses []*Response
+	SavedResponses   []*Response
 
 	prevStartTime time.Time
 }
@@ -87,7 +90,17 @@ func (c *Contest) Read(db *Database, args map[string]string, w http.ResponseWrit
 
 	id := args["id"]
 
-	if err := db._db.Preload("Participants").Preload("Questions").First(&contest, id).Error; err != nil {
+	if err := db._db.
+		Preload("Participants").
+		Preload("Responses").
+		Preload("StartedResponses", func(tx *gorm.DB) *gorm.DB {
+			return db.DB().Debug().Where("start_time <> ?", time.Time{})
+		}).
+		Preload("SavedResponses", func(tx *gorm.DB) *gorm.DB {
+			return db.DB().Debug().Where("end_time <> ?", time.Time{})
+		}).
+		Preload("Questions").
+		First(&contest, id).Error; err != nil {
 		return nil, err
 	}
 

scripts/export_participants/.gitignore

@@ -1 +1,2 @@
 *.csv
+*.xlsx

templates/contests_show.html.tpl

@@ -21,7 +21,12 @@
     <dd class="col-sm-9">{{.Data.NumQuestions}}</dd>
     <dt class="col-sm-3">Numero di risposte per domanda</dt>
     <dd class="col-sm-9">{{.Data.NumAnswersPerQuestion}}</dd>
-    
+    <dt class="col-sm-3">Numero di partecipanti iscritti</dt>
+    <dd class="col-sm-9">{{len .Data.Participants}}</dd>
+    <dt class="col-sm-3">Numero di prove visualizzate</dt>
+    <dd class="col-sm-9">{{len .Data.StartedResponses}}</dd>
+    <dt class="col-sm-3">Numero di prove salvate</dt>
+    <dd class="col-sm-9">{{len .Data.SavedResponses}}</dd>
   </dl>
 
   <div class="row">