Rename Note to Grade

grades.go

@@ -0,0 +1,87 @@
+package lsf
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/pkg/errors"
+)
+
+// Grade is a grade with associated data like the related module
+type Grade struct {
+	Nr      string
+	Name    string
+	Term    string
+	Grade   string
+	Status  string
+	Credits string
+	Try     string
+}
+
+// Grades is an Array of Grade pointers
+type Grades []*Grade
+
+func (g *Grade) String() string {
+	var status string
+	switch g.Status {
+	case "angemeldet":
+		status = "⏳ - "
+	case "bestanden":
+		status = "✔ "
+	case "nicht bestanden":
+		status = "✖ "
+	default:
+		status = "❓"
+	}
+	return fmt.Sprintf("%s%s %s", status, g.Grade, g.Name)
+}
+
+// Print prints a clear overview of the grades in the given list
+func (gg Grades) Print() {
+	for _, g := range gg {
+		fmt.Println(g)
+	}
+}
+
+// Grades returns a list of the grades of all graded or signed up modules
+func (s *Session) Grades() (Grades, error) {
+	var grades Grades
+	client := &http.Client{}
+	url := "https://lsf.hs-worms.de/qisserver/rds?state=notenspiegelStudent&next=list.vm&nextdir=qispos/notenspiegel/student&createInfos=Y&struct=auswahlBaum&nodeID=auswahlBaum%7Cabschluss%3Aabschl%3D05%2Cstgnr%3D1%7Cstudiengang%3Astg%3D938%2Cpversion%3D2018&expand=0&asi=" + s.ASI
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not prepare the request")
+	}
+	req.Header.Add("Cookie", fmt.Sprintf("JSESSIONID=%s", s.SID))
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, errors.Wrap(err, "could not do the request")
+	}
+	doc, err := goquery.NewDocumentFromResponse(resp)
+	if err != nil {
+		return nil, err
+	}
+
+	// Find all tables. The last one contains the grades. Get all children rows.
+	rows := doc.Find("table").Last().Find("tr")
+	// The first three are the header, the average mark and a divider. So lets ignore them.
+	rows.Slice(3, rows.Length()).Each(func(_ int, row *goquery.Selection) {
+		vals := row.ChildrenFiltered("td").Map(func(i int, cell *goquery.Selection) string {
+			return strings.TrimSpace(cell.Text())
+		})
+		grade := &Grade{
+			Nr:      vals[0],
+			Name:    vals[1],
+			Term:    vals[2],
+			Grade:   vals[3],
+			Status:  vals[4],
+			Credits: vals[5],
+			Try:     vals[7],
+		}
+		grades = append(grades, grade)
+	})
+
+	return grades, nil
+}