admin: Can list independant exercices as theme

admin/api/theme.go

@@ -70,13 +70,17 @@ func ThemeHandler(c *gin.Context) {
 		return
 	}
 
-	theme, err := fic.GetTheme(thid)
-	if err != nil {
-		c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Theme not found"})
-		return
-	}
+	if thid == 0 {
+		c.Set("theme", &fic.Theme{Name: "Exercices indépendants", Path: sync.StandaloneExercicesDirectory})
+	} else {
+		theme, err := fic.GetTheme(thid)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusNotFound, gin.H{"errmsg": "Theme not found"})
+			return
+		}
 
-	c.Set("theme", theme)
+		c.Set("theme", theme)
+	}
 
 	c.Next()
 }
@@ -127,6 +131,10 @@ func listThemes(c *gin.Context) {
 		return
 	}
 
+	if has, _ := fic.HasStandaloneExercice(); has {
+		themes = append([]*fic.Theme{&fic.Theme{Name: "Exercices indépendants", Path: sync.StandaloneExercicesDirectory}}, themes...)
+	}
+
 	c.JSON(http.StatusOK, themes)
 }
 

admin/static/views/theme.html

@@ -8,7 +8,7 @@
 </div>
 
 <div class="row">
-  <form ng-submit="saveTheme()" class="col-4">
+  <form ng-submit="saveTheme()" class="col-4" ng-if="!(theme.id === 0 && theme.path)">
     <div ng-class="{'form-group': field != 'locked', 'form-check': field == 'locked'}" ng-repeat="field in fields">
       <input type="checkbox" class="form-check-input" id="{{ field }}" ng-model="theme[field]" ng-if="field == 'locked'">
       <label for="{{ field }}">{{ field | capitalize }}</label>
@@ -25,7 +25,7 @@
     </div>
   </form>
 
-  <div ng-if="theme.id" class="col-md-8" ng-controller="ExercicesListController">
+  <div ng-if="theme.id || theme.path" class="col-md-8" ng-class="{'offset-md-2': theme.id === 0 && theme.path}" ng-controller="ExercicesListController">
     <h3>
       Exercices ({{ exercices.length }})
       <button type="button" ng-click="show('new')" class="float-right btn btn-sm btn-primary ml-2"><span class="glyphicon glyphicon-plus" aria-hidden="true"></span> Ajouter un exercice</button>

libfic/exercice.go

@@ -645,3 +645,14 @@ func (e *Exercice) IsSolved() (int, *time.Time) {
 		return *nb, tm
 	}
 }
+
+func HasStandaloneExercice() (bool, error) {
+	var nb int
+
+	err := DBQueryRow("SELECT COUNT(id_exercice) FROM exercices WHERE id_theme IS NULL").Scan(&nb)
+	if err != nil {
+		return false, err
+	} else {
+		return nb > 0, nil
+	}
+}