Modify Decimal Fields to be treated as number in OpenAPI schema. (#11871)

Closes https://github.com/twentyhq/twenty/issues/10807

## Description
This PR will Modify Decimal Fields to be treated as `number` in OpenAPI
schema.

## Testing
<img width="989" alt="スクリーンショット 2025-05-05 20 49 05"
src="https://github.com/user-attachments/assets/2f120317-5860-4c93-91a2-f521a69a1cd5"
/>
<img width="872" alt="スクリーンショット 2025-05-05 20 49 52"
src="https://github.com/user-attachments/assets/0d319785-e30b-4132-be9e-12ed6f3cc46a"
/>

---------

Co-authored-by: Takuya Kurimoto <takuya004869@gmail.com>
Co-authored-by: prastoin <paul@twenty.com>

packages/twenty-server/src/engine/core-modules/open-api/utils/__tests__/__snapshots__/components.utils.spec.ts.snap

@@ -0,0 +1,106 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`computeSchemaComponents Float without decimals 1`] = `
+{
+  "ObjectName": {
+    "description": undefined,
+    "properties": {
+      "number2": {
+        "type": "number",
+      },
+    },
+    "required": [
+      "number2",
+    ],
+    "type": "object",
+  },
+  "ObjectName for Response": {
+    "description": undefined,
+    "properties": {
+      "number2": {
+        "type": "number",
+      },
+    },
+    "type": "object",
+  },
+  "ObjectName for Update": {
+    "description": undefined,
+    "properties": {
+      "number2": {
+        "type": "number",
+      },
+    },
+    "type": "object",
+  },
+}
+`;
+
+exports[`computeSchemaComponents Integer dataType with decimals 1`] = `
+{
+  "ObjectName": {
+    "description": undefined,
+    "properties": {
+      "number1": {
+        "type": "number",
+      },
+    },
+    "required": [
+      "number1",
+    ],
+    "type": "object",
+  },
+  "ObjectName for Response": {
+    "description": undefined,
+    "properties": {
+      "number1": {
+        "type": "number",
+      },
+    },
+    "type": "object",
+  },
+  "ObjectName for Update": {
+    "description": undefined,
+    "properties": {
+      "number1": {
+        "type": "number",
+      },
+    },
+    "type": "object",
+  },
+}
+`;
+
+exports[`computeSchemaComponents Integer with a 0 decimals 1`] = `
+{
+  "ObjectName": {
+    "description": undefined,
+    "properties": {
+      "number3": {
+        "type": "integer",
+      },
+    },
+    "required": [
+      "number3",
+    ],
+    "type": "object",
+  },
+  "ObjectName for Response": {
+    "description": undefined,
+    "properties": {
+      "number3": {
+        "type": "integer",
+      },
+    },
+    "type": "object",
+  },
+  "ObjectName for Update": {
+    "description": undefined,
+    "properties": {
+      "number3": {
+        "type": "integer",
+      },
+    },
+    "type": "object",
+  },
+}
+`;

packages/twenty-server/src/engine/core-modules/open-api/utils/components.utils.ts

@@ -1,6 +1,11 @@
 import { OpenAPIV3_1 } from 'openapi-types';
-import { capitalize } from 'twenty-shared/utils';
 import { FieldMetadataType } from 'twenty-shared/types';
+import { capitalize, isDefined } from 'twenty-shared/utils';
+
+import {
+  FieldMetadataSettings,
+  NumberDataType,
+} from 'src/engine/metadata-modules/field-metadata/interfaces/field-metadata-settings.interface';
 
 import {
   computeDepthParameters,
@@ -36,29 +41,47 @@ const isFieldAvailable = (field: FieldMetadataEntity, forResponse: boolean) => {
   }
 };
 
-const getFieldProperties = (type: FieldMetadataType): Property => {
+const getFieldProperties = (field: FieldMetadataEntity): Property => {
-  switch (type) {
+  switch (field.type) {
-    case FieldMetadataType.UUID:
+    case FieldMetadataType.UUID: {
       return { type: 'string', format: 'uuid' };
+    }
     case FieldMetadataType.TEXT:
-    case FieldMetadataType.RICH_TEXT:
+    case FieldMetadataType.RICH_TEXT: {
       return { type: 'string' };
-    case FieldMetadataType.DATE_TIME:
+    }
+    case FieldMetadataType.DATE_TIME: {
       return { type: 'string', format: 'date-time' };
-    case FieldMetadataType.DATE:
+    }
+    case FieldMetadataType.DATE: {
       return { type: 'string', format: 'date' };
-    case FieldMetadataType.NUMBER:
+    }
-      return { type: 'integer' };
+    case FieldMetadataType.NUMBER: {
-    case FieldMetadataType.NUMERIC:
+      const settings =
-    case FieldMetadataType.POSITION:
+        field.settings as FieldMetadataSettings<FieldMetadataType.NUMBER>;
-      return { type: 'number' };
-    case FieldMetadataType.BOOLEAN:
-      return { type: 'boolean' };
-    case FieldMetadataType.RAW_JSON:
-      return { type: 'object' };
 
-    default:
+      if (
+        settings?.dataType === NumberDataType.FLOAT ||
+        (isDefined(settings?.decimals) && settings.decimals > 0)
+      ) {
+        return { type: 'number' };
+      }
+
+      return { type: 'integer' };
+    }
+    case FieldMetadataType.NUMERIC:
+    case FieldMetadataType.POSITION: {
+      return { type: 'number' };
+    }
+    case FieldMetadataType.BOOLEAN: {
+      return { type: 'boolean' };
+    }
+    case FieldMetadataType.RAW_JSON: {
+      return { type: 'object' };
+    }
+    default: {
       return { type: 'string' };
+    }
   }
 };
 
@@ -282,7 +305,7 @@ const getSchemaComponentsProperties = ({
         };
         break;
       default:
-        itemProperty = getFieldProperties(field.type);
+        itemProperty = getFieldProperties(field);
         break;
     }