admin: Start compute flag stats

admin/api/exercice.go

@@ -62,6 +62,7 @@ func declareExercicesRoutes(router *gin.RouterGroup) {
 	apiFlagsRoutes.POST("/try", tryExerciceFlag)
 	apiFlagsRoutes.DELETE("/", deleteExerciceFlag)
 	apiFlagsRoutes.GET("/dependancies", showExerciceFlagDeps)
+	apiFlagsRoutes.GET("/statistics", showExerciceFlagStats)
 	apiFlagsRoutes.GET("/choices/", listFlagChoices)
 	apiFlagsChoicesRoutes := apiExercicesRoutes.Group("/choices/:cid")
 	apiFlagsChoicesRoutes.Use(FlagChoiceHandler)
@@ -852,6 +853,34 @@ func showExerciceFlagDeps(c *gin.Context) {
 	c.JSON(http.StatusOK, deps)
 }
 
+func showExerciceFlagStats(c *gin.Context) {
+	exercice := c.MustGet("exercice").(*fic.Exercice)
+	flag := c.MustGet("flag-key").(*fic.FlagKey)
+
+	history, err := exercice.GetHistory()
+	if err != nil {
+		log.Println("Unable to getExerciceHistory:", err.Error())
+		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"errmsg": "An error occurs when retrieving exercice history"})
+		return
+	}
+
+	var completed, tries, nteams int64
+
+	for _, hline := range history {
+		if hline["kind"].(string) == "flag_found" {
+			if *hline["secondary"].(*int) == flag.Id {
+				completed += 1
+			}
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"completed": completed,
+		"tries":     tries,
+		"nteams":    nteams,
+	})
+}
+
 func tryExerciceFlag(c *gin.Context) {
 	flag := c.MustGet("flag-key").(*fic.FlagKey)
 

admin/static/js/app.js

@@ -348,6 +348,9 @@ angular.module("FICApp")
 	.factory("ExerciceFlagDeps", function ($resource) {
 		return $resource("api/exercices/:exerciceId/flags/:flagId/dependancies", { exerciceId: '@idExercice', flagId: '@id' })
 	})
+	.factory("ExerciceFlagStats", function ($resource) {
+		return $resource("api/exercices/:exerciceId/flags/:flagId/statistics", { exerciceId: '@idExercice', flagId: '@id' })
+	})
 	.factory("ExerciceMCQFlag", function ($resource) {
 		return $resource("api/exercices/:exerciceId/quiz/:mcqId", { exerciceId: '@idExercice', mcqId: '@id' }, {
 			update: { method: 'PUT' }
@@ -2345,6 +2348,12 @@ angular.module("FICApp")
 		}
 	})
 
+	.controller("ExerciceFlagStatsController", function ($scope, $routeParams, ExerciceFlagStats) {
+		$scope.init = function (flag) {
+			$scope.stats = ExerciceFlagStats.get({ exerciceId: $routeParams.exerciceId, flagId: flag.id });
+		}
+	})
+
 	.controller("ExerciceMCQFlagsController", function ($scope, ExerciceMCQFlag, $routeParams, $rootScope) {
 		$scope.quiz = ExerciceMCQFlag.query({ exerciceId: $routeParams.exerciceId });
 

admin/static/views/exercice-flags.html

@@ -73,12 +73,21 @@
 	</div>
 	<div class="col-4">
 	  <div ng-controller="ExerciceFlagDepsController" ng-init="init(flag)">
-	    Dépendances&nbsp;:
+	    <strong>Dépendances&nbsp;:</strong>
 	    <ul ng-if="deps.length > 0">
 	      <dependancy ng-repeat="dep in deps" dep="dep"></dependancy>
 	    </ul>
 	    <span ng-if="deps.length == 0"> sans</span>
 	  </div>
+          <hr>
+	  <div ng-controller="ExerciceFlagStatsController" ng-init="init(flag)">
+            <strong>Statistiques</strong>
+	    <ul>
+	      <li>Validés : {{ stats["completed"] }}</li>
+	      <li>Tentés : {{ stats["tries"] }}</li>
+	      <li>Équipes : {{ stats["nteams"] }}</li>
+	    </ul>
+	  </div>
 	</div>
 	<div class="col-4" ng-controller="ExerciceFlagChoicesController">
 	  <div class="btn-toolbar justify-content-end mb-2" role="toolbar">