Fix nullable being set to null for text field (#4239)

packages/twenty-server/src/metadata/field-metadata/field-metadata.service.ts

@@ -25,6 +25,7 @@ import { UpdateFieldInput } from 'src/metadata/field-metadata/dtos/update-field.
 import { WorkspaceMigrationFactory } from 'src/metadata/workspace-migration/workspace-migration.factory';
 import { computeObjectTargetTable } from 'src/workspace/utils/compute-object-target-table.util';
 import { generateMigrationName } from 'src/metadata/workspace-migration/utils/generate-migration-name.util';
+import { generateNullable } from 'src/metadata/field-metadata/utils/generate-nullable';
 
 import {
   FieldMetadataEntity,
@@ -102,6 +103,10 @@ export class FieldMetadataService extends TypeOrmQueryService<FieldMetadataEntit
         true,
         fieldMetadataInput.name,
       ),
+      isNullable: generateNullable(
+        fieldMetadataInput.type,
+        fieldMetadataInput.isNullable,
+      ),
       defaultValue:
         fieldMetadataInput.defaultValue ??
         generateDefaultValue(fieldMetadataInput.type),

packages/twenty-server/src/metadata/field-metadata/utils/__tests__/generate-nullable.spec.ts

@@ -0,0 +1,27 @@
+import { FieldMetadataType } from 'src/metadata/field-metadata/field-metadata.entity';
+import { generateNullable } from 'src/metadata/field-metadata/utils/generate-nullable';
+
+describe('generateNullable', () => {
+  it('should generate a nullable value false for TEXT, EMAIL, PHONE no matter what the input is', () => {
+    expect(generateNullable(FieldMetadataType.TEXT, false)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.PHONE, false)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.EMAIL, false)).toEqual(false);
+
+    expect(generateNullable(FieldMetadataType.TEXT, true)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.PHONE, true)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.EMAIL, true)).toEqual(false);
+
+    expect(generateNullable(FieldMetadataType.TEXT)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.PHONE)).toEqual(false);
+    expect(generateNullable(FieldMetadataType.EMAIL)).toEqual(false);
+  });
+
+  it('should should return true if no input is given', () => {
+    expect(generateNullable(FieldMetadataType.DATE_TIME)).toEqual(true);
+  });
+
+  it('should should return the input value if the input value is given', () => {
+    expect(generateNullable(FieldMetadataType.DATE_TIME, true)).toEqual(true);
+    expect(generateNullable(FieldMetadataType.DATE_TIME, false)).toEqual(false);
+  });
+});

packages/twenty-server/src/metadata/field-metadata/utils/generate-nullable.ts

@@ -0,0 +1,15 @@
+import { FieldMetadataType } from 'src/metadata/field-metadata/field-metadata.entity';
+
+export function generateNullable(
+  type: FieldMetadataType,
+  inputNullableValue?: boolean,
+): boolean {
+  switch (type) {
+    case FieldMetadataType.TEXT:
+    case FieldMetadataType.PHONE:
+    case FieldMetadataType.EMAIL:
+      return false;
+    default:
+      return inputNullableValue ?? true;
+  }
+}