Timer token show & reset

timer.go

@@ -6,6 +6,7 @@ import (
 	"database/sql"
 	"encoding/base64"
 	"errors"
+	"fmt"
 	"log"
 	"net/http"
 	"strconv"
@@ -231,6 +232,16 @@ func updateTimerEndTime(db *sql.DB, id model.UUID, endTime model.Time, userId mo
 	return err == nil && affected == 1
 }
 
+func updateTimerToken(db *sql.DB, id model.UUID, token string, userId model.UUID) bool {
+	res, err := db.Exec("UPDATE Timer SET Token=$1 WHERE Id=$2 AND Owner=$3", token, id, userId)
+	if err != nil {
+		return false
+	}
+
+	affected, err := res.RowsAffected()
+	return err == nil && affected == 1
+}
+
 type Session struct {
 	UserId model.UUID
 }
@@ -369,6 +380,51 @@ func (server *MyServer) handleTimerAddTime(w http.ResponseWriter, r *http.Reques
 	view.TimerView(*timer).Render(context.Background(), w)
 }
 
+func (server *MyServer) handleGetTimerToken(w http.ResponseWriter, r *http.Request) {
+	currentUser := server.findCurrentUser(w, r)
+	if currentUser == nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	timer := queryTimer(server.db, r.PathValue("timerId"), currentUser.Id)
+	if timer == nil {
+		server.handleNotFound(w, r)
+		return
+	}
+
+	w.Write([]byte(fmt.Sprint("<code>", timer.Token, "</code>")))
+}
+
+func (server *MyServer) handleResetTimerToken(w http.ResponseWriter, r *http.Request) {
+	currentUser := server.findCurrentUser(w, r)
+	if currentUser == nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	timer := queryTimer(server.db, r.PathValue("timerId"), currentUser.Id)
+	if timer == nil {
+		server.handleNotFound(w, r)
+		return
+	}
+
+	newToken, err := generateTimerToken()
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	timer.Token = newToken
+	res := updateTimerToken(server.db, timer.Id, newToken, currentUser.Id)
+	if !res {
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	view.TimerTokenForm(*timer).Render(context.Background(), w)
+}
+
 func (server *MyServer) handleDeleteTimer(w http.ResponseWriter, r *http.Request) {
 	user := server.findCurrentUser(w, r)
 	if user == nil {
@@ -505,6 +561,8 @@ func main() {
 	http.HandleFunc("GET /timer/{timerId}", myServer.handleTimer)
 	http.HandleFunc("POST /timer/{timerId}/addTime/{timeToAdd}", myServer.handleTimerAddTime)
 	http.HandleFunc("DELETE /timer/{timerId}", myServer.handleDeleteTimer)
+	http.HandleFunc("POST /timer/{timerId}/resetToken", myServer.handleResetTimerToken)
+	http.HandleFunc("GET /timer/{timerId}/token", myServer.handleGetTimerToken)
 	http.HandleFunc("PUT /timer", myServer.handlePutTimer)
 	http.HandleFunc("GET /", myServer.handleMain)