Listing all reservations

internal/handlers/handlers.go

@@ -6,6 +6,7 @@ import (
 	"go-udemy-web-1/internal/config"
 	"go-udemy-web-1/internal/driver"
 	"go-udemy-web-1/internal/forms"
+	"go-udemy-web-1/internal/helpers"
 	"go-udemy-web-1/internal/models"
 	"go-udemy-web-1/internal/render"
 	"go-udemy-web-1/internal/repository"
@@ -512,7 +513,17 @@ func (m *Repository) AdminNewReservations(w http.ResponseWriter, r *http.Request
 }
 
 func (m *Repository) AdminAllReservations(w http.ResponseWriter, r *http.Request) {
-	render.Template(w, r, "admin-all-reservations.page.tmpl", &models.TemplateData{})
+	reservations, err := m.DB.AllReservations()
+	if err != nil {
+		helpers.ServerError(w, err)
+		return
+	}
+	data := make(map[string]interface{})
+	data["reservations"] = reservations
+
+	render.Template(w, r, "admin-all-reservations.page.tmpl", &models.TemplateData{
+		Data: data,
+	})
 }
 
 func (m *Repository) AdminReservationsCalendar(w http.ResponseWriter, r *http.Request) {

internal/render/render.go

@@ -10,11 +10,14 @@ import (
 	"html/template"
 	"net/http"
 	"path/filepath"
+	"time"
 
 	"github.com/justinas/nosurf"
 )
 
-var functions = template.FuncMap{}
+var functions = template.FuncMap{
+	"humanDate": HumanDate,
+}
 
 var (
 	app             *config.AppConfig
@@ -26,6 +29,11 @@ func NewRenderer(a *config.AppConfig) {
 	app = a
 }
 
+// HumanDate returns formatted time
+func HumanDate(t time.Time) string {
+	return t.Format("2006-01-02")
+}
+
 // AddDefaultData adds default template data
 func AddDefaultData(td *models.TemplateData, r *http.Request) *models.TemplateData {
 	td.Flash = app.Session.PopString(r.Context(), "flash")

internal/repository/dbrepo/postgres.go

@@ -113,6 +113,8 @@ func (m *postgresDBRepo) SearchAvailabilityForAllRooms(start, end time.Time) ([]
 	if err != nil {
 		return nil, err
 	}
+	defer rows.Close()
+
 	for rows.Next() {
 		var room models.Room
 
@@ -211,3 +213,48 @@ func (m *postgresDBRepo) Authenticate(email, testPassword string) (int, string,
 	}
 	return id, hashedPassword, nil
 }
+
+// AllReservations returns a slice of all reservations
+func (m *postgresDBRepo) AllReservations() ([]models.Reservation, error) {
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	var reservations []models.Reservation
+
+	query := `select r.id, r.first_name, r.last_name, r.email, r.phone,
+                     r.start_date, r.end_date, r.room_id, r.created_at,
+                     r.updated_at, rm.id, rm.room_name
+              from reservations r
+              left join rooms rm on (r.room_id = rm.id)
+              order by r.start_date asc`
+
+	rows, err := m.DB.QueryContext(ctx, query)
+	if err != nil {
+		return reservations, err
+	}
+	defer rows.Close() // To avoid memory leak
+
+	for rows.Next() {
+		var i models.Reservation
+		err := rows.Scan(
+			&i.ID,
+			&i.FirstName,
+			&i.LastName,
+			&i.Email,
+			&i.Phone,
+			&i.StartDate,
+			&i.EndDate,
+			&i.RoomID,
+			&i.CreatedAt,
+			&i.UpdatedAt,
+			&i.Room.ID,
+			&i.Room.RoomName,
+		)
+		if err != nil {
+			return reservations, err
+		}
+		reservations = append(reservations, i)
+	}
+
+	return reservations, nil
+}

internal/repository/dbrepo/test-repo.go

@@ -81,3 +81,10 @@ func (m *testDBRepo) UpdateUser(u models.User) error {
 func (m *testDBRepo) Authenticate(email, testPassword string) (int, string, error) {
 	return 1, "", nil
 }
+
+// AllReservations returns a slice of all reservations
+func (m *testDBRepo) AllReservations() ([]models.Reservation, error) {
+	var reservations []models.Reservation
+
+	return reservations, nil
+}

internal/repository/repository.go

@@ -16,4 +16,5 @@ type DatabaseRepo interface {
 	GetUserByID(id int) (models.User, error)
 	UpdateUser(u models.User) error
 	Authenticate(email, testPassword string) (int, string, error)
+	AllReservations() ([]models.Reservation, error)
 }