admin: Add ability to append element to exercice history

libfic/exercice_history.go

@@ -1,7 +1,9 @@
 package fic
 
 import (
+	"encoding/binary"
 	"fmt"
+	"math/rand"
 	"time"
 )
 
@@ -56,6 +58,32 @@ func (e *Exercice) GetHistory() ([]map[string]interface{}, error) {
 	return hist, nil
 }
 
+// AppendHistoryItem sets values an entry from the history.
+func (e *Exercice) AppendHistoryItem(tId int64, kind string, secondary *int64) error {
+	team, err := GetTeam(tId)
+	if err != nil {
+		return err
+	}
+
+	if kind == "tries" {
+		bid := make([]byte, 5)
+		binary.LittleEndian.PutUint32(bid, rand.Uint32())
+		return (&Exercice{Id: e.Id}).NewTry(team, bid)
+	} else if kind == "hint" && secondary != nil {
+		return team.OpenHint(&EHint{Id: *secondary})
+	} else if kind == "wchoices" && secondary != nil {
+		return team.DisplayChoices(&FlagKey{Id: int(*secondary)})
+	} else if kind == "flag_found" && secondary != nil {
+		return (&FlagKey{Id: int(*secondary)}).FoundBy(team)
+	} else if kind == "mcq_found" && secondary != nil {
+		return (&MCQ{Id: int(*secondary)}).FoundBy(team)
+	} else if kind == "solved" {
+		return (&Exercice{Id: e.Id}).Solved(team)
+	} else {
+		return nil
+	}
+}
+
 // UpdateHistoryItem sets values an entry from the history.
 func (e *Exercice) UpdateHistoryItem(coeff float32, tId int64, kind string, h time.Time, secondary *int64) (interface{}, error) {
 	if kind == "hint" && secondary != nil {