Cleaning up our make reservation page and testing everything

cmd/web/routes.go

@@ -28,6 +28,7 @@ func routes(app *config.AppConfig) http.Handler {
 	mux.Get("/make-reservation", handlers.Repo.MakeReservation)
 	mux.Post("/make-reservation", handlers.Repo.PostMakeReservation)
 	mux.Get("/reservation-summary", handlers.Repo.ReservationSummary)
+	mux.Get("/choose-room/{id}", handlers.Repo.ChooseRoom)
 
 	fileServer := http.FileServer(http.Dir("./static/"))
 	mux.Handle("/static/*", http.StripPrefix("/static", fileServer))

internal/handlers/handlers.go

@@ -2,6 +2,7 @@ package handlers
 
 import (
 	"encoding/json"
+	"errors"
 	"go-udemy-web-1/internal/config"
 	"go-udemy-web-1/internal/driver"
 	"go-udemy-web-1/internal/forms"
@@ -13,6 +14,8 @@ import (
 	"net/http"
 	"strconv"
 	"time"
+
+	"github.com/go-chi/chi/v5"
 )
 
 // Repo the repository used by the handlers
@@ -67,14 +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
+	res, ok := m.App.Session.Get(r.Context(), "reservation").(models.Reservation)
-	data := make(map[string]interface{})
+	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,
+		StringMap: stringMap,
 	})
 }
 
@@ -256,3 +278,23 @@ func (m *Repository) AvailabilityJSON(w http.ResponseWriter, r *http.Request) {
 
 	w.Write(out)
 }
+
+func (m *Repository) ChooseRoom(w http.ResponseWriter, r *http.Request) {
+	roomID, err := strconv.Atoi(chi.URLParam(r, "id"))
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+	m.App.Session.Get(r.Context(), "reservation")
+
+	res, ok := m.App.Session.Get(r.Context(), "reservation").(models.Reservation)
+	if !ok {
+		helpers.ServerError(w, errors.New("cannot get reservation from session"))
+		return
+	}
+
+	res.RoomID = roomID
+	m.App.Session.Put(r.Context(), "reservation", res)
+
+	http.Redirect(w, r, "/make-reservation", http.StatusSeeOther)
+}

internal/repository/dbrepo/postgres.go

@@ -100,7 +100,7 @@ func (m *postgresDBRepo) SearchAvailabilityForAllRooms(start, end time.Time) ([]
                 rooms r
             where r.id not in
                 (select
-                    roomId
+                    room_id
                 from
                     room_restrictions rr
                 where
@@ -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)
 }

templates/choose-room.page.tmpl

@@ -8,7 +8,7 @@
             {{$rooms := index .Data "rooms"}}
 
             {{range $rooms}}
-            {{.RoomName}}<br>
+            <li><a href="/choose-room/{{.ID}}">{{.RoomName}}</a></li>
             {{end}}
         </div>
     </div>

templates/make-reservation.page.tmpl

@@ -6,9 +6,19 @@
             <h1 class="text-center mt-3">Make reservation</h1>
 
             {{$res := index .Data "reservation"}}
+            <p><strong>Reservation Details</strong><br>
+                Room: {{$res.Room.RoomName}}<br>
+                Arrival: {{index .StringMap "start_date"}}<br>
+                Departure: {{index .StringMap "end_date"}}
+            </p>
+
             <!-- <form method="post" action="" class="needs-validation" novalidate> -->
-            <form method="post" action="" class="" novalidate>
+            <form method="post" action="/make-reservation" class="" novalidate>
                 <input type="hidden" name="csrf_token" value="{{.CSRFToken}}">
+                <input type="hidden" name="start_date" value="{{index .StringMap "start_date"}}">
+                <input type="hidden" name="end_date" value="{{index .StringMap "end_date"}}">
+                <input type="hidden" name="room_id" value="{{$res.RoomID}}">
+
 
                 <div class="form-group mt-5">
                     <label for="first_name">First name:</label>
@@ -27,20 +37,6 @@
                         value="{{$res.LastName}}" required autocomplete="off">
                 </div>
 
-                <div class="form-group mt-5">
-                    <label for="start_date">Start date:</label>
-                    <input type="text" name="start_date" id="start_date" class="form-control"
-                        required autocomplete="off">
-                </div>
-
-                <div class="form-group mt-5">
-                    <label for="end_date">End date:</label>
-                    <input type="text" name="end_date" id="end_date" class="form-control"
-                        required autocomplete="off">
-                </div>
-
-                <input type="hidden" name="room_id" value="1">
-
                 <div class="form-group mt-5">
                     <label for="email">Email:</label>
                     {{with .Form.Errors.Get "email"}}