From d5a8af49cbe7f93ee9375050dc78424d7b04e3e6 Mon Sep 17 00:00:00 2001
From: alex <alex@roese.dev>
Date: Sun, 25 Jun 2023 14:56:29 +0200
Subject: [PATCH] delete user

---
 .../systempermissions/systempermissions.go    |  1 +
 modules/utils/globals.go                      |  3 ++
 socketclients/socketclients.go                | 37 +++++++++++++++++++
 socketserver/hub.go                           |  8 ++++
 4 files changed, 49 insertions(+)

diff --git a/modules/systempermissions/systempermissions.go b/modules/systempermissions/systempermissions.go
index 60efc01..dfedb78 100644
--- a/modules/systempermissions/systempermissions.go
+++ b/modules/systempermissions/systempermissions.go
@@ -10,6 +10,7 @@ func InitSystemPermissions() {
 	cache.AddSystemPermissions([]string{
 		utils.PermissionGroupTasksHistory,
 		utils.PermissionAllUsersActionChangeRole,
+		utils.PermissionAllUsersActionDeleteUser,
 		utils.PermissionAllUsersCreateNewUser,
 		utils.PermissionScannerUseScanners,
 		utils.PermissionAdminAreaCreateNewRole,
diff --git a/modules/utils/globals.go b/modules/utils/globals.go
index 63a1c77..4e2285f 100644
--- a/modules/utils/globals.go
+++ b/modules/utils/globals.go
@@ -58,6 +58,7 @@ const (
 	SentCmdRolePermissionsUpdated          = 24
 	SentCmdErrorNoPermissions              = 25
 	SentCmdAllUsersNewUserCreated          = 26
+	SentCmdAllUsersUserDeleted             = 27
 )
 
 // commands received from web clients
@@ -74,6 +75,7 @@ const (
 	ReceivedCmdAdminAreaDeleteRole             = 10
 	ReceivedCmdAllUsersUpdateUserRole          = 11
 	ReceivedCmdAllUsersCreateNewUser           = 12
+	ReceivedCmdAllUsersDeleteUser              = 13
 )
 
 const (
@@ -102,6 +104,7 @@ const (
 
 	PermissionAllUsersCreateNewUser    = "all_users.create_new_user"
 	PermissionAllUsersActionChangeRole = "all_users.action.change_role"
+	PermissionAllUsersActionDeleteUser = "all_users.action.delete_user"
 	PermissionScannerUseScanners       = "scanner.use_scanners"
 
 	_adminArea                        = "admin_area."
diff --git a/socketclients/socketclients.go b/socketclients/socketclients.go
index dd40f99..7e16eae 100644
--- a/socketclients/socketclients.go
+++ b/socketclients/socketclients.go
@@ -7,6 +7,7 @@ import (
 	"janex/admin-dashboard-backend/modules/structs"
 	"janex/admin-dashboard-backend/modules/systempermissions"
 	"janex/admin-dashboard-backend/modules/utils"
+	"os"
 	"time"
 
 	"github.com/gofiber/websocket/v2"
@@ -693,3 +694,39 @@ func AllUsersCreateNewUser(sessionId string, body map[string]interface{}) {
 		},
 	})
 }
+
+func AllUsersDeleteUser(userId string) {
+	var user structs.User
+
+	database.DB.Select("avatar").Where("id = ?", userId).Find(&user)
+
+	if user.Avatar != "" {
+		os.Remove("./public/avatars/" + user.Avatar)
+	}
+
+	database.DB.Where("id = ?", userId).Delete(&structs.User{})
+	database.DB.Where("user_id = ?", userId).Delete(&structs.UserSession{})
+
+	var scannerInUsage structs.Scanner
+
+	database.DB.Select("id").Where("used_by_user_id = ?", userId).Find(&scannerInUsage)
+
+	if scannerInUsage.Id != "" {
+		database.DB.Model(&structs.Scanner{}).Where("id = ?", scannerInUsage.Id).Updates(structs.Scanner{
+			UsedByUserId: "",
+		})
+	}
+
+	CloseAndDeleteAllUserConnections(userId)
+
+	BroadcastMessage(structs.SendSocketMessage{
+		Cmd: utils.SentCmdAllUsersUserDeleted,
+		Body: struct {
+			UserId    string
+			ScannerId string
+		}{
+			UserId:    userId,
+			ScannerId: scannerInUsage.Id,
+		},
+	})
+}
diff --git a/socketserver/hub.go b/socketserver/hub.go
index 3fac5ea..19523fc 100644
--- a/socketserver/hub.go
+++ b/socketserver/hub.go
@@ -267,6 +267,14 @@ func RunHub() {
 
 				socketclients.AllUsersCreateNewUser(data.Conn.Locals("sessionId").(string), receivedMessage.Body)
 				break
+			case utils.ReceivedCmdAllUsersDeleteUser:
+				if !socketclients.HasPermission(data.Conn.Locals("userId").(string), utils.PermissionAllUsersActionDeleteUser) {
+					socketclients.SendErrorMessageNoPermissions(data.Conn.Locals("sessionId").(string))
+					break
+				}
+
+				socketclients.AllUsersDeleteUser(receivedMessage.Body["UserId"].(string))
+				break
 
 			default:
 				log.Error().Msgf("Received unknown message: %v", receivedMessage)