From 01a7f33054a4257804c4ed2141832f787d3c4c87 Mon Sep 17 00:00:00 2001
From: Gabriel De Los Rios <gab.dlr3012@gmail.com>
Date: Sun, 2 Nov 2025 22:39:04 -0300
Subject: [PATCH] refactor: add field to APIError struct

---
 docs/docs.go                        |  5 +++++
 docs/swagger.json                   |  5 +++++
 docs/swagger.yaml                   |  4 ++++
 internal/handler/contact_handler.go | 12 +++++++++---
 internal/handler/response.go        |  2 ++
 5 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/docs/docs.go b/docs/docs.go
index 4a3de6d..4e53465 100644
--- a/docs/docs.go
+++ b/docs/docs.go
@@ -303,6 +303,11 @@ const docTemplate = `{
                     "description": "Additional error details",
                     "type": "string"
                 },
+                "field": {
+                    "description": "Field name if applicable",
+                    "type": "string",
+                    "example": "name"
+                },
                 "message": {
                     "description": "Human-readable error message",
                     "type": "string"
diff --git a/docs/swagger.json b/docs/swagger.json
index 7c84457..9df2213 100644
--- a/docs/swagger.json
+++ b/docs/swagger.json
@@ -297,6 +297,11 @@
                     "description": "Additional error details",
                     "type": "string"
                 },
+                "field": {
+                    "description": "Field name if applicable",
+                    "type": "string",
+                    "example": "name"
+                },
                 "message": {
                     "description": "Human-readable error message",
                     "type": "string"
diff --git a/docs/swagger.yaml b/docs/swagger.yaml
index f7f5fc2..f1d208c 100644
--- a/docs/swagger.yaml
+++ b/docs/swagger.yaml
@@ -8,6 +8,10 @@ definitions:
       details:
         description: Additional error details
         type: string
+      field:
+        description: Field name if applicable
+        example: name
+        type: string
       message:
         description: Human-readable error message
         type: string
diff --git a/internal/handler/contact_handler.go b/internal/handler/contact_handler.go
index 01f84f6..0b560c4 100644
--- a/internal/handler/contact_handler.go
+++ b/internal/handler/contact_handler.go
@@ -97,17 +97,23 @@ func (h *ContactHandler) create(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if contact.Name == "" {
-		BadRequest(w, ErrMissingRequired, RequiredFieldErr("name"))
+		err := ErrMissingRequired
+		err.Field = "name"
+		BadRequest(w, err, RequiredFieldErr("name"))
 		return
 	}
 
 	if contact.Company == "" {
-		BadRequest(w, ErrMissingRequired, RequiredFieldErr("company"))
+		err := ErrMissingRequired
+		err.Field = "company"
+		BadRequest(w, err, RequiredFieldErr("company"))
 		return
 	}
 
 	if contact.Phone == "" {
-		BadRequest(w, ErrMissingRequired, RequiredFieldErr("phone"))
+		err := ErrMissingRequired
+		err.Field = "phone"
+		BadRequest(w, err, RequiredFieldErr("phone"))
 		return
 	}
 
diff --git a/internal/handler/response.go b/internal/handler/response.go
index 2e6c3e0..d256ec6 100644
--- a/internal/handler/response.go
+++ b/internal/handler/response.go
@@ -23,6 +23,8 @@ type APIError struct {
 	Message string `json:"message"`
 	// Additional error details
 	Details string `json:"details,omitempty"`
+	// Field name if applicable
+	Field string `json:"field,omitempty" example:"name"`
 }
 
 const content_type = "Content-Type"