feat: add audit log with email notification (#26)

backend/internal/controller/audit_log_controller.go

@@ -0,0 +1,56 @@
+package controller
+
+import (
+	"github.com/stonith404/pocket-id/backend/internal/dto"
+	"github.com/stonith404/pocket-id/backend/internal/middleware"
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stonith404/pocket-id/backend/internal/service"
+	"github.com/stonith404/pocket-id/backend/internal/utils"
+)
+
+func NewAuditLogController(group *gin.RouterGroup, auditLogService *service.AuditLogService, jwtAuthMiddleware *middleware.JwtAuthMiddleware) {
+	alc := AuditLogController{
+		auditLogService: auditLogService,
+	}
+
+	group.GET("/audit-logs", jwtAuthMiddleware.Add(false), alc.listAuditLogsForUserHandler)
+}
+
+type AuditLogController struct {
+	auditLogService *service.AuditLogService
+}
+
+func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
+	userID := c.GetString("userID")
+	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
+	pageSize, _ := strconv.Atoi(c.DefaultQuery("limit", "10"))
+
+	// Fetch audit logs for the user
+	logs, pagination, err := alc.auditLogService.ListAuditLogsForUser(userID, page, pageSize)
+	if err != nil {
+		utils.ControllerError(c, err)
+		return
+	}
+
+	// Map the audit logs to DTOs
+	var logsDtos []dto.AuditLogDto
+	err = dto.MapStructList(logs, &logsDtos)
+	if err != nil {
+		utils.ControllerError(c, err)
+		return
+	}
+
+	// Add device information to the logs
+	for i, logsDto := range logsDtos {
+		logsDto.Device = alc.auditLogService.DeviceStringFromUserAgent(logs[i].UserAgent)
+		logsDtos[i] = logsDto
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"data":       logsDtos,
+		"pagination": pagination,
+	})
+}