Multiple hints

libfic/hint.go

@@ -0,0 +1,65 @@
+package fic
+
+import (
+)
+
+type EHint struct {
+	Id         int64  `json:"id"`
+	IdExercice int64  `json:"idExercice"`
+	Title      string `json:"title"`
+	Content    string `json:"content"`
+	Cost       int64  `json:"cost"`
+}
+
+func (e Exercice) GetHints() ([]EHint, error) {
+	if rows, err := DBQuery("SELECT id_hint, title, content, cost FROM exercice_hints WHERE id_exercice = ?", e.Id); err != nil {
+		return nil, err
+	} else {
+		defer rows.Close()
+
+		var hints = make([]EHint, 0)
+		for rows.Next() {
+			var h EHint
+			h.IdExercice = e.Id
+			if err := rows.Scan(&h.Id, &h.Title, &h.Content, &h.Cost); err != nil {
+				return nil, err
+			}
+			hints = append(hints, h)
+		}
+		if err := rows.Err(); err != nil {
+			return nil, err
+		}
+
+		return hints, nil
+	}
+}
+
+func (e Exercice) AddHint(title string, content string, cost int64) (EHint, error) {
+	if res, err := DBExec("INSERT INTO exercice_hints (id_exercice, title, content, cost) VALUES (?, ?, ?, ?)", e.Id, title, content, cost); err != nil {
+		return EHint{}, err
+	} else if hid, err := res.LastInsertId(); err != nil {
+		return EHint{}, err
+	} else {
+		return EHint{hid, e.Id, title, content, cost}, nil
+	}
+}
+
+func (h EHint) Update() (int64, error) {
+	if res, err := DBExec("UPDATE exercice_hints SET id_exercice = ?, title = ?, content = ?, cost = ? WHERE id_hint = ?", h.IdExercice, h.Title, h.Content, h.Cost, h.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func (h EHint) Delete() (int64, error) {
+	if res, err := DBExec("DELETE FROM exercice_hints WHERE id_hint = ?", h.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}