From b1cdfe40a96618b905e3999a5d72441952a83f86 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?O=CC=81scar=20M=2E=20Lage?= <info@oscarmlage.com>
Date: Thu, 28 Nov 2024 22:51:32 +0100
Subject: [PATCH] Add: ability to delete events

---
 cmd/web/main.go                   |  3 +++
 internal/repository/repository.go | 13 +++++++++++++
 internal/web/handlers.go          | 19 +++++++++++++++++++
 internal/web/templates/view.html  |  8 +++++++-
 4 files changed, 42 insertions(+), 1 deletion(-)

diff --git a/cmd/web/main.go b/cmd/web/main.go
index aceebce..e779b22 100644
--- a/cmd/web/main.go
+++ b/cmd/web/main.go
@@ -37,6 +37,9 @@ func main() {
 	e.POST("/events/edit/:id", func(c echo.Context) error {
 		return web.UpdateEventHandler(c, config.DB)
 	})
+	e.POST("/events/del/:id", func(c echo.Context) error {
+		return web.DeleteEventHandler(c, config.DB)
+	})
 	e.GET("/about", func(c echo.Context) error {
 		return web.AboutHandler(c, config.DB)
 	})
diff --git a/internal/repository/repository.go b/internal/repository/repository.go
index 8913ff2..37d097e 100644
--- a/internal/repository/repository.go
+++ b/internal/repository/repository.go
@@ -1,6 +1,7 @@
 package repository
 
 import (
+	"fmt"
 	"heating-monitor/internal/bot"
 
 	"gorm.io/gorm"
@@ -29,3 +30,15 @@ func UpdateEventByID(db *gorm.DB, id int, updatedEvent *bot.HeatingEvent) (*bot.
 	}
 	return &event, nil
 }
+
+// DeleteEventByID elimina un evento por su ID
+func DeleteEventByID(db *gorm.DB, id int) error {
+	result := db.Delete(&bot.HeatingEvent{}, id)
+	if result.Error != nil {
+		return result.Error
+	}
+	if result.RowsAffected == 0 {
+		return fmt.Errorf("No se encontró un evento con el ID %d", id)
+	}
+	return nil
+}
diff --git a/internal/web/handlers.go b/internal/web/handlers.go
index 0c76838..ff4ca98 100644
--- a/internal/web/handlers.go
+++ b/internal/web/handlers.go
@@ -157,6 +157,25 @@ func UpdateEventHandler(c echo.Context, db *gorm.DB) error {
 	return c.Redirect(http.StatusFound, "/")
 }
 
+// DeleteEventHandler elimina un evento de la base de datos
+func DeleteEventHandler(c echo.Context, db *gorm.DB) error {
+	// Obtener el ID del evento desde los parámetros
+	id, err := strconv.Atoi(c.Param("id"))
+	if err != nil {
+		log.Printf("Error al convertir ID: %v", err)
+		return c.JSON(http.StatusBadRequest, "ID inválido")
+	}
+
+	// Eliminar el evento usando el repositorio
+	err = repository.DeleteEventByID(db, id)
+	if err != nil {
+		log.Printf("Error al eliminar evento con ID %d: %v", id, err)
+		return c.JSON(http.StatusInternalServerError, "Error al eliminar evento")
+	}
+
+	return c.Redirect(http.StatusFound, "/")
+}
+
 func AboutHandler(c echo.Context, db *gorm.DB) error {
 	// Cargar configuración desde .env
 	cfg, err := config.LoadConfig()
diff --git a/internal/web/templates/view.html b/internal/web/templates/view.html
index 050baf5..78dfaf5 100644
--- a/internal/web/templates/view.html
+++ b/internal/web/templates/view.html
@@ -99,7 +99,13 @@
                 <td class="px-6 py-4 text-sm text-gray-700">{{.ID}}</td>
                 <td class="px-6 py-4 text-sm text-gray-700">{{.Timestamp}}</td>
                 <td class="px-6 py-4 text-sm text-gray-700">{{.EventType}}</td>
-                <td class="px-6 py-4 text-sm text-gray-700"><a href="/events/edit/{{.ID}}">Editar</a></td>
+                <td class="px-6 py-4 text-sm text-gray-700">
+                    <a href="/events/edit/{{.ID}}">Editar</a>
+                    <form action="/events/del/{{.ID}}" method="POST" onsubmit="return confirm('¿Estás seguro de que deseas eliminar este evento?');">
+                        <input type="hidden" name="_method" value="DELETE">
+                        <button type="submit" class="text-red-600 hover:underline">Eliminar</button>
+                    </form>
+                </td>
             </tr>
           {{end}}
         </tbody>