token-validator: add a new route to get computed grades

token-validator/grades.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"github.com/julienschmidt/httprouter"
+)
+
+func init() {
+	router.GET("/api/grades/", apiHandler(computeGrades))
+}
+
+func computeGrades(_ httprouter.Params, _ []byte) (interface{}, error) {
+	if stds, err := getStudents(); err != nil {
+		return nil, err
+	} else {
+		res := map[string]map[string]float32{}
+
+		for _, std := range stds {
+			res[std.Login] = map[string]float32{
+				"TP1": 0,
+				"TP2": 0,
+			}
+
+			if states, err := std.getStatesByChallenge(); err != nil {
+				return nil, err
+			} else {
+				for _, st := range states {
+					if st.Challenge >= 100 {
+						switch st.Challenge {
+						case 100:
+							res[std.Login]["TP2"] += 5
+						case 101:
+							res[std.Login]["TP2"] += 5
+						case 102:
+							res[std.Login]["TP2"] += 5
+						case 103:
+							res[std.Login]["TP2"] += 5
+						}
+					} else {
+						switch st.Challenge {
+						case 1:
+							res[std.Login]["TP1"] += 4
+						case 2:
+							res[std.Login]["TP1"] += 4
+						case 3:
+							res[std.Login]["TP1"] += 5
+						case 4:
+							res[std.Login]["TP1"] += 2
+						case 5:
+							res[std.Login]["TP1"] += 2
+						case 6:
+							res[std.Login]["TP1"] += 1
+						case 7:
+							res[std.Login]["TP1"] += 2
+						}
+					}
+				}
+			}
+		}
+
+		return res, nil
+	}
+}