Setting up database functions: inserting a reservation

internal/handlers/handlers.go

@@ -12,6 +12,8 @@ import (
 	"go-udemy-web-1/internal/repository"
 	"go-udemy-web-1/internal/repository/dbrepo"
 	"net/http"
+	"strconv"
+	"time"
 )
 
 // Repo the repository used by the handlers
@@ -85,11 +87,33 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
+	sd := r.Form.Get("start_date")
+	ed := r.Form.Get("end_date")
+
+	// 2024-07-08 -- 01/02 03:04:05PM '06 -0700
+	layout := "2006-01-02"
+	startDate, err := time.Parse(layout, sd)
+	if err != nil {
+		helpers.ServerError(w, err)
+	}
+	endDate, err := time.Parse(layout, ed)
+	if err != nil {
+		helpers.ServerError(w, err)
+	}
+
+	roomId, err := strconv.Atoi(r.Form.Get("room_id"))
+	if err != nil {
+		helpers.ServerError(w, err)
+	}
+
 	reservation := models.Reservation{
 		FirstName: r.Form.Get("first_name"),
 		LastName:  r.Form.Get("last_name"),
 		Email:     r.Form.Get("email"),
 		Phone:     r.Form.Get("phone"),
+		StartDate: startDate,
+		EndDate:   endDate,
+		RoomID:    roomId,
 	}
 
 	form := forms.New(r.PostForm)
@@ -109,6 +133,11 @@ func (m *Repository) PostMakeReservation(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
+	err = m.DB.InsertReservation(reservation)
+	if err != nil {
+		helpers.ServerError(w, err)
+	}
+
 	m.App.Session.Put(r.Context(), "reservation", reservation)
 
 	http.Redirect(w, r, "/reservation-summary", http.StatusSeeOther)

internal/repository/dbrepo/postgres.go

@@ -1,5 +1,29 @@
 package dbrepo
 
+import (
+	"context"
+	"go-udemy-web-1/internal/models"
+	"time"
+)
+
 func (m *postgresDBRepo) AllUsers() bool {
 	return true
 }
+
+// InsertReservation inserts a reservation into the database
+func (m *postgresDBRepo) InsertReservation(res models.Reservation) error {
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+	// statement
+	stmt := `insert into reservations (first_name, last_name, email, phone,
+	            start_date, end_date, room_id, created_at, updated_at)
+	            values ($1, $2, $3, $4, $5, $6, $7, $8, $9)`
+
+	_, err := m.DB.ExecContext(ctx, stmt, res.FirstName, res.LastName, res.Email, res.Phone,
+		res.StartDate, res.EndDate, res.RoomID, res.CreatedAt, res.UpdatedAt)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}

internal/repository/repository.go

@@ -1,5 +1,9 @@
 package repository
 
+import "go-udemy-web-1/internal/models"
+
 type DatabaseRepo interface {
 	AllUsers() bool
+
+	InsertReservation(res models.Reservation) error
 }

templates/make-reservation.page.tmpl

@@ -26,6 +26,21 @@
                     <input type="text" name="last_name" id="last_name" class="form-control {{with .Form.Errors.Get "last_name"}} is-invalid {{end}}"
                         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"}}