admin: can perform mass editing on exercices

admin/api/exercice.go

@@ -17,6 +17,7 @@ func init() {
 
 	router.GET("/api/exercices/:eid", apiHandler(exerciceHandler(showExercice)))
 	router.PUT("/api/exercices/:eid", apiHandler(exerciceHandler(updateExercice)))
+	router.PATCH("/api/exercices/:eid", apiHandler(exerciceHandler(partUpdateExercice)))
 	router.DELETE("/api/exercices/:eid", apiHandler(exerciceHandler(deleteExercice)))
 
 	router.GET("/api/exercices/:eid/files", apiHandler(exerciceHandler(listExerciceFiles)))
@@ -116,6 +117,51 @@ func updateExercice(exercice fic.Exercice, body []byte) (interface{}, error) {
 	return ue, nil
 }
 
+func partUpdateExercice(exercice fic.Exercice, body []byte) (interface{}, error) {
+	var ue fic.Exercice
+	if err := json.Unmarshal(body, &ue); err != nil {
+		return nil, err
+	}
+
+	if len(ue.Title) > 0 {
+		exercice.Title = ue.Title
+	}
+
+	if len(ue.URLId) > 0 {
+		exercice.URLId = ue.URLId
+	}
+
+	if len(ue.Statement) > 0 {
+		exercice.Statement = ue.Statement
+	}
+
+	if len(ue.Overview) > 0 {
+		exercice.Overview = ue.Overview
+	}
+
+	if ue.Depend != nil {
+		exercice.Depend = ue.Depend
+	}
+
+	if ue.Gain != 0 {
+		exercice.Gain = ue.Gain
+	}
+
+	if ue.Coefficient != 0 {
+		exercice.Coefficient = ue.Coefficient
+	}
+
+	if len(ue.VideoURI) > 0 {
+		exercice.VideoURI = ue.VideoURI
+	}
+
+	if _, err := exercice.Update(); err != nil {
+		return nil, err
+	}
+
+	return exercice, nil
+}
+
 func createExercice(theme fic.Theme, body []byte) (interface{}, error) {
 	// Create a new exercice
 	var ue fic.Exercice