normalized the caster to return always non-null value and fixed minor…

… ui issues

apis/record_test.go

@@ -144,12 +144,12 @@ func TestRecordsList(t *testing.T) {
 				`"manyrels":[{`,
 				`"manyrels":[]`,
 				`"rel_cascade":"`,
-				`"rel_cascade":null`,
+				`"rel_cascade":""`,
 				`"onerel":{"@collectionId":"3f2888f8-075d-49fe-9d09-ea7e951000dc","@collectionName":"demo",`,
 				`"json":[1,2,3]`,
 				`"select":["a","b"]`,
 				`"select":[]`,
-				`"user":null`,
+				`"user":""`,
 				`"bool":true`,
 				`"number":456`,
 				`"user":"97cc3d3d-6ba2-383f-b42a-7bc84d27410c"`,
@@ -650,7 +650,8 @@ func TestRecordCreate(t *testing.T) {
 				"onerel": "577bd676-aacb-4072-b7da-99d00ee210a4",
 				"manyrels": ["577bd676-aacb-4072-b7da-99d00ee210a4"],
 				"text": "test123",
-				"bool": "false"
+				"bool": "false",
+				"number": 1
 			}`),
 			RequestHeaders: map[string]string{
 				// [email protected]
@@ -668,7 +669,8 @@ func TestRecordCreate(t *testing.T) {
 				"onerel":"577bd676-aacb-4072-b7da-99d00ee210a4",
 				"manyrels":["577bd676-aacb-4072-b7da-99d00ee210a4"],
 				"text":"test123",
-				"bool":true
+				"bool":true,
+				"number":1
 			}`),
 			RequestHeaders: map[string]string{
 				// [email protected]
@@ -682,6 +684,7 @@ func TestRecordCreate(t *testing.T) {
 				`"manyrels":["577bd676-aacb-4072-b7da-99d00ee210a4"]`,
 				`"text":"test123"`,
 				`"bool":true`,
+				`"number":1`,
 			},
 			ExpectedEvents: map[string]int{
 				"OnRecordBeforeCreateRequest": 1,
@@ -695,11 +698,12 @@ func TestRecordCreate(t *testing.T) {
 			Method: http.MethodPost,
 			Url:    "/api/collections/demo2/records",
 			Body: strings.NewReader(`{
-				"rel_cascade":"577bd676-aacb-4072-b7da-99d00ee210a4",
-				"onerel":"577bd676-aacb-4072-b7da-99d00ee210a4",
-				"manyrels":["577bd676-aacb-4072-b7da-99d00ee210a4"],
-				"text":"test123",
-				"bool":false
+				"rel_cascade": "577bd676-aacb-4072-b7da-99d00ee210a4",
+				"onerel": "577bd676-aacb-4072-b7da-99d00ee210a4",
+				"manyrels" :["577bd676-aacb-4072-b7da-99d00ee210a4"],
+				"text": "test123",
+				"bool": false,
+				"number": 1
 			}`),
 			RequestHeaders: map[string]string{
 				"Authorization": "Admin eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjJiNGE5N2NjLTNmODMtNGQwMS1hMjZiLTNkNzdiYzg0MmQzYyIsInR5cGUiOiJhZG1pbiIsImV4cCI6MTg3MzQ2Mjc5Mn0.AtRtXR6FHBrCUGkj5OffhmxLbSZaQ4L_Qgw4gfoHyfo",
@@ -712,6 +716,7 @@ func TestRecordCreate(t *testing.T) {
 				`"manyrels":["577bd676-aacb-4072-b7da-99d00ee210a4"]`,
 				`"text":"test123"`,
 				`"bool":false`,
+				`"number":1`,
 			},
 			ExpectedEvents: map[string]int{
 				"OnRecordBeforeCreateRequest": 1,
@@ -867,7 +872,8 @@ func TestRecordUpdate(t *testing.T) {
 			Method: http.MethodPatch,
 			Url:    "/api/collections/demo2/records/63c2ab80-84ab-4057-a592-4604a731f78f",
 			Body: strings.NewReader(`{
-				"text":"test_new"
+				"text":"test_new",
+				"number":1
 			}`),
 			RequestHeaders: map[string]string{
 				"Authorization": "Admin eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjJiNGE5N2NjLTNmODMtNGQwMS1hMjZiLTNkNzdiYzg0MmQzYyIsInR5cGUiOiJhZG1pbiIsImV4cCI6MTg3MzQ2Mjc5Mn0.AtRtXR6FHBrCUGkj5OffhmxLbSZaQ4L_Qgw4gfoHyfo",
@@ -876,6 +882,7 @@ func TestRecordUpdate(t *testing.T) {
 			ExpectedContent: []string{
 				`"id":"63c2ab80-84ab-4057-a592-4604a731f78f"`,
 				`"text":"test_new"`,
+				`"number":1`,
 			},
 			ExpectedEvents: map[string]int{
 				"OnRecordBeforeUpdateRequest": 1,

forms/record_upsert.go

@@ -167,7 +167,7 @@ func (form *RecordUpsert) LoadData(r *http.Request) error {
 				if len(oldNames) > 0 {
 					form.filesToDelete = append(form.filesToDelete, oldNames...)
 				}
-				form.Data[key] = nil
+				form.Data[key] = ""
 			}
 		} else if options.MaxSelect > 1 {
 			// search for individual file index to delete (eg. "file.0")

forms/record_upsert_test.go

@@ -98,8 +98,8 @@ func TestRecordUpsertLoadDataJson(t *testing.T) {
 	if !ok {
 		t.Fatal("Expect onefile field to be set")
 	}
-	if onefile != nil {
-		t.Fatalf("Expect onefile field to be nil, got %v", onefile)
+	if onefile != "" {
+		t.Fatalf("Expect onefile field to be empty string, got %v", onefile)
 	}
 
 	manyfiles, ok := form.Data["manyfiles"]
@@ -166,8 +166,8 @@ func TestRecordUpsertLoadDataMultipart(t *testing.T) {
 	if !ok {
 		t.Fatal("Expect onefile field to be set")
 	}
-	if onefile != nil {
-		t.Fatalf("Expect onefile field to be nil, got %v", onefile)
+	if onefile != "" {
+		t.Fatalf("Expect onefile field to be empty string, got %v", onefile)
 	}
 
 	manyfiles, ok := form.Data["manyfiles"]

forms/validators/record_data.go

@@ -240,7 +240,6 @@ func (validator *RecordDataValidator) checkUrlValue(field *schema.SchemaField, v
 
 func (validator *RecordDataValidator) checkDateValue(field *schema.SchemaField, value any) error {
 	val, _ := value.(types.DateTime)
-
 	if val.IsZero() {
 		if field.Required {
 			return requiredErr
@@ -268,6 +267,9 @@ func (validator *RecordDataValidator) checkDateValue(field *schema.SchemaField,
 func (validator *RecordDataValidator) checkSelectValue(field *schema.SchemaField, value any) error {
 	normalizedVal := list.ToUniqueStringSlice(value)
 	if len(normalizedVal) == 0 {
+		if field.Required {
+			return requiredErr
+		}
 		return nil // nothing to check
 	}
 
@@ -302,13 +304,9 @@ func (validator *RecordDataValidator) checkJsonValue(field *schema.SchemaField,
 }
 
 func (validator *RecordDataValidator) checkFileValue(field *schema.SchemaField, value any) error {
-	// normalize value access
-	var names []string
-	switch v := value.(type) {
-	case []string:
-		names = v
-	case string:
-		names = []string{v}
+	names := list.ToUniqueStringSlice(value)
+	if len(names) == 0 && field.Required {
+		return requiredErr
 	}
 
 	options, _ := field.Options.(*schema.FileOptions)
@@ -343,16 +341,11 @@ func (validator *RecordDataValidator) checkFileValue(field *schema.SchemaField,
 }
 
 func (validator *RecordDataValidator) checkRelationValue(field *schema.SchemaField, value any) error {
-	// normalize value access
-	var ids []string
-	switch v := value.(type) {
-	case []string:
-		ids = v
-	case string:
-		ids = []string{v}
-	}
-
+	ids := list.ToUniqueStringSlice(value)
 	if len(ids) == 0 {
+		if field.Required {
+			return requiredErr
+		}
 		return nil // nothing to check
 	}
 
@@ -383,16 +376,11 @@ func (validator *RecordDataValidator) checkRelationValue(field *schema.SchemaFie
 }
 
 func (validator *RecordDataValidator) checkUserValue(field *schema.SchemaField, value any) error {
-	// normalize value access
-	var ids []string
-	switch v := value.(type) {
-	case []string:
-		ids = v
-	case string:
-		ids = []string{v}
-	}
-
+	ids := list.ToUniqueStringSlice(value)
 	if len(ids) == 0 {
+		if field.Required {
+			return requiredErr
+		}
 		return nil // nothing to check
 	}