added getCategoriesOfOther

cve-alert-restapi/request-handler/requestHandler.go

@@ -423,6 +423,16 @@ func StartWebServer(database *sqlx.DB, port string) {
 	//   404: description: Returns a string that there are no categories in the DB.
 	e.GET("/category", getAllCategories)
 
+	// swagger:route GET /category/other category getCategoriesOfOther
+	// ---
+	// Lists all categories which aren't in a filter.
+	// produces:
+	// - application/json
+	// responses:
+	//   200: description: Returns all categories as an array.
+	//   404: description: Returns a string that there are no categories which aren't in a filter.
+	e.GET("/category/other", getCategoriesOfOther)
+
 	e.Logger.Fatal(e.Start(":" + port))
 }
 
@@ -823,3 +833,28 @@ func getAllCategories(c echo.Context) error {
 	}
 	return c.JSON(http.StatusOK, categoryList)
 }
+
+func getCategoriesOfOther(c echo.Context) error {
+	var categories []alertmanager.Category
+	sb := sqlbuilder.MySQL.NewSelectBuilder()
+	sb.Select("category").From("case_categories").Where("case_categories.category NOT IN (SELECT category FROM filter_categories)").GroupBy("category")
+	sql, args := sb.Build()
+	query, err := sqlbuilder.MySQL.Interpolate(sql, args)
+	if err != nil {
+		log.Error().
+			AnErr("Error", err).
+			Msg("Could not build sql query")
+		return err
+	}
+	err = db.Select(&categories, query)
+	if err != nil {
+		log.Error().
+			AnErr("Error", err).
+			Msg("Could not search db")
+		return err
+	}
+	if categories == nil {
+		return c.String(http.StatusNotFound, "No categories found!\n")
+	}
+	return c.JSON(http.StatusOK, categories)
+}