Cleaning up our make reservation page and testing everything

internal/handlers/handlers.go

@@ -70,14 +70,33 @@ func (m *Repository) Majors(w http.ResponseWriter, r *http.Request) {
 func (m *Repository) MakeReservation(w http.ResponseWriter, r *http.Request) {
 	// For the first time render emptyReservation so that this object is
 	// filled with the info when sent back.
-	var emptyReservation models.Reservation
-	data := make(map[string]interface{})
+	res, ok := m.App.Session.Get(r.Context(), "reservation").(models.Reservation)
+	if !ok {
+		helpers.ServerError(w, errors.New("cannot get reservation from session"))
+		return
+	}
 
-	data["reservation"] = emptyReservation
+	room, err := m.DB.GetRoomById(res.RoomID)
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+
+	res.Room.RoomName = room.RoomName
+
+	sd := res.StartDate.Format("2006-01-02")
+	ed := res.EndDate.Format("2006-01-02")
+	stringMap := make(map[string]string)
+	stringMap["start_date"] = sd
+	stringMap["end_date"] = ed
+
+	data := make(map[string]interface{})
+	data["reservation"] = res
 
 	render.Template(w, r, "make-reservation.page.tmpl", &models.TemplateData{
-		Form: forms.New(nil),
-		Data: data,
+		Form:      forms.New(nil),
+		Data:      data,
+		StringMap: stringMap,
 	})
 }
 

internal/repository/dbrepo/postgres.go

@@ -126,3 +126,23 @@ func (m *postgresDBRepo) SearchAvailabilityForAllRooms(start, end time.Time) ([]
 
 	return rooms, nil
 }
+
+// GetRoomById gets a room by id
+func (m *postgresDBRepo) GetRoomById(id int) (models.Room, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	var room models.Room
+	stmt := `select
+                id, room_name, created_at, updated_at
+            from
+                rooms
+            where id = $1`
+
+	row := m.DB.QueryRowContext(ctx, stmt, id)
+	err := row.Scan(&room.ID, &room.RoomName, &room.CreatedAt, &room.UpdatedAt)
+	if err != nil {
+		return room, err
+	}
+	return room, nil
+}

internal/repository/repository.go

@@ -12,4 +12,5 @@ type DatabaseRepo interface {
 	InsertRoomRestriction(res models.RoomRestriction) error
 	SearchAvailabilityByDatesByRoomID(start, end time.Time, roomID int) (bool, error)
 	SearchAvailabilityForAllRooms(start, end time.Time) ([]models.Room, error)
+	GetRoomById(id int) (models.Room, error)
 }