add permission definition

controllers/controlPermissions.go

@@ -64,10 +64,10 @@ func AddPermissionHandler(c *gin.Context) {
 		GroupId:      input.GroupId,
 	}
 
-	//remove leading/trailing spaces in groupname
+	//remove leading/trailing spaces in permission description
 	p.Description = html.EscapeString(strings.TrimSpace(p.Description))
 
-	// Check if role already exists
+	// Check if permission definition already exists
 	testPermission, _ := models.PermissionGetByDesc(p.Description)
 	log.Printf("AddPermissionHandler checking if permissions with description '%s' already exists\n", p.Description)
 
@@ -91,3 +91,53 @@ func AddPermissionHandler(c *gin.Context) {
 
 	c.JSON(http.StatusOK, gin.H{"message": "permission creation success", "data": p})
 }
+
+func DeletePermissionHandler(c *gin.Context) {
+	var input PermissionInput
+
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Input validation
+	if input.PermissionId == 0 && len(input.Description) == 0 {
+		errString := "no permission description or id specified"
+		log.Printf("DeletePermissionHandler %s\n", errString)
+		c.JSON(http.StatusBadRequest, gin.H{"error": errString})
+		return
+	}
+
+	p := models.Permission{
+		PermissionId: input.PermissionId,
+		Description:  input.Description,
+		ReadOnly:     input.ReadOnly,
+		SafeId:       input.SafeId,
+		UserId:       input.UserId,
+		GroupId:      input.GroupId,
+	}
+
+	//remove leading/trailing spaces in permission description
+	p.Description = html.EscapeString(strings.TrimSpace(p.Description))
+
+	// Check if permission definition already exists
+	testPermission, _ := models.PermissionGetByDesc(p.Description)
+	log.Printf("DeletePermissionHandler confirming permission with description '%s' exists\n", p.Description)
+	if (models.Permission{} == testPermission) {
+		errString := fmt.Sprintf("attempt to delete non-existing permission with description '%s'", p.Description)
+		log.Printf("DeletePermissionHandler %s\n", errString)
+		c.JSON(http.StatusBadRequest, gin.H{"error": errString})
+		return
+	} else {
+		err := p.PermissionDelete()
+
+		if err != nil {
+			errString := fmt.Sprintf("error deleting permission : '%s'", err)
+			log.Printf("DeletePermissionHandler %s\n", errString)
+			c.JSON(http.StatusBadRequest, gin.H{"error": errString})
+			return
+		}
+
+		c.JSON(http.StatusOK, gin.H{"message": "permission deletion success"})
+	}
+}