feat: add default value capability (#2544)

* feat: add default value capability

* feat: update seeds with default value

server/src/metadata/field-metadata/utils/generate-target-column-map.util.ts

@@ -0,0 +1,45 @@
+import { BadRequestException } from '@nestjs/common';
+
+import { FieldMetadataTargetColumnMap } from 'src/metadata/field-metadata/interfaces/field-metadata-target-column-map.interface';
+
+import { FieldMetadataType } from 'src/metadata/field-metadata/field-metadata.entity';
+
+/**
+ * Generate a target column map for a given type, this is used to map the field to the correct column(s) in the database.
+ * This is used to support fields that map to multiple columns in the database.
+ *
+ * @param type string
+ * @returns FieldMetadataTargetColumnMap
+ */
+export function generateTargetColumnMap(
+  type: FieldMetadataType,
+  isCustomField: boolean,
+  fieldName: string,
+): FieldMetadataTargetColumnMap {
+  const columnName = isCustomField ? `_${fieldName}` : fieldName;
+
+  switch (type) {
+    case FieldMetadataType.TEXT:
+    case FieldMetadataType.PHONE:
+    case FieldMetadataType.EMAIL:
+    case FieldMetadataType.NUMBER:
+    case FieldMetadataType.PROBABILITY:
+    case FieldMetadataType.BOOLEAN:
+    case FieldMetadataType.DATE:
+      return {
+        value: columnName,
+      };
+    case FieldMetadataType.URL:
+      return {
+        text: `${columnName}_text`,
+        link: `${columnName}_link`,
+      };
+    case FieldMetadataType.MONEY:
+      return {
+        amount: `${columnName}_amount`,
+        currency: `${columnName}_currency`,
+      };
+    default:
+      throw new BadRequestException(`Unknown type ${type}`);
+  }
+}