feat: support split expense grouping (#402)

* feat: add fields to support split expense grouping

* fix: update sql fixture

* test: add unit tests for split expense grouping and update existing fixtures (#401)

* test: add unit tests for split expense grouping and update existing fixtures

* refactor: lint

* feat: add `split_expense_grouping` to the expense group settings serializer (#404)

* feat: add `split_expense_grouping` to the expense group settings serializer

* feat: implement split expense grouping functionality (#405)

* feat: implement split expense grouping functionality

* fix: skip only `expense_id` and `expense_number` while grouping

while defining the fields to group split expenses by, skip only `expense_id` and `expense_number`, NOT `spent_at` or `posted_at`

* feat: add script for split expense grouping (#406)

Set the default split expense grouping config to `SINGLE_LINE_ITEM` for all old orgs

apps/fyle/migrations/0022_support_split_expense_grouping.py

@@ -0,0 +1,24 @@
+# Generated by Django 3.2.14 on 2024-11-18 09:48
+
+import apps.fyle.models
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fyle', '0021_expense_is_posted_at_null'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='expense',
+            name='bank_transaction_id',
+            field=models.CharField(blank=True, help_text='Bank Transaction ID', max_length=255, null=True),
+        ),
+        migrations.AddField(
+            model_name='expensegroupsettings',
+            name='split_expense_grouping',
+            field=models.CharField(choices=[('SINGLE_LINE_ITEM', 'SINGLE_LINE_ITEM'), ('MULTIPLE_LINE_ITEM', 'MULTIPLE_LINE_ITEM')], default=apps.fyle.models.get_default_split_expense_grouping, help_text='specify line items for split expenses grouping', max_length=100),
+        ),
+    ]

apps/fyle/models.py

@@ -14,7 +14,7 @@
 from fyle_accounting_mappings.models import ExpenseAttribute
 
 from apps.fyle.enums import ExpenseStateEnum, FundSourceEnum, PlatformExpensesEnum
-from apps.workspaces.models import Workspace
+from apps.workspaces.models import Workspace, WorkspaceGeneralSettings
 
 logger = logging.getLogger(__name__)
 logger.level = logging.INFO
@@ -35,6 +35,7 @@
     "spent_at",
     "expense_id",
     "posted_at",
+    "bank_transaction_id",
 ]
 
 
@@ -62,6 +63,8 @@
     PlatformExpensesEnum.PERSONAL_CORPORATE_CREDIT_CARD_ACCOUNT: FundSourceEnum.CCC,
 }
 
+SPLIT_EXPENSE_GROUPING = (('SINGLE_LINE_ITEM', 'SINGLE_LINE_ITEM'), ('MULTIPLE_LINE_ITEM', 'MULTIPLE_LINE_ITEM'))
+
 
 def _format_date(date_string) -> datetime:
     """
@@ -126,6 +129,7 @@ class Expense(models.Model):
     )
     purpose = models.TextField(null=True, blank=True, help_text="Purpose")
     report_id = models.CharField(max_length=255, help_text="Report ID")
+    bank_transaction_id = models.CharField(max_length=255, null=True, blank=True, help_text='Bank Transaction ID')
     billable = models.BooleanField(default=False, help_text="Expense billable or not")
     file_ids = ArrayField(
         base_field=models.CharField(max_length=255), null=True, help_text="File IDs"
@@ -199,6 +203,7 @@ def create_expense_objects(expenses: List[Dict], workspace_id: int, skip_update:
                 "corporate_card_id": expense["corporate_card_id"],
                 "purpose": expense["purpose"],
                 "report_id": expense["report_id"],
+                "bank_transaction_id": expense["bank_transaction_id"],
                 "file_ids": expense["file_ids"],
                 "spent_at": expense["spent_at"],
                 "posted_at": expense["posted_at"],
@@ -260,6 +265,10 @@ def get_default_ccc_expense_state():
     return ExpenseStateEnum.PAID
 
 
+def get_default_split_expense_grouping():
+    return 'MULTIPLE_LINE_ITEM'
+
+
 CCC_EXPENSE_STATE = (
     (ExpenseStateEnum.APPROVED, ExpenseStateEnum.APPROVED),
     (ExpenseStateEnum.PAYMENT_PROCESSING, ExpenseStateEnum.PAYMENT_PROCESSING),
@@ -314,6 +323,7 @@ class ExpenseGroupSettings(models.Model):
     import_card_credits = models.BooleanField(
         help_text="Import Card Credits", default=False
     )
+    split_expense_grouping = models.CharField(max_length=100, default=get_default_split_expense_grouping, choices=SPLIT_EXPENSE_GROUPING, help_text='specify line items for split expenses grouping')
     workspace = models.OneToOneField(
         Workspace,
         on_delete=models.PROTECT,
@@ -421,6 +431,7 @@ def update_expense_group_settings(expense_group_settings: Dict, workspace_id: in
                 ],
                 "ccc_export_date_type": expense_group_settings["ccc_export_date_type"],
                 "import_card_credits": import_card_credits,
+                'split_expense_grouping': expense_group_settings['split_expense_grouping'],
             },
         )
 
@@ -506,13 +517,52 @@ def create_expense_groups_by_report_id_fund_source(
         corporate_credit_card_expenses = list(
             filter(lambda expense: expense.fund_source == "CCC", expense_objects)
         )
-        corporate_credit_card_expense_groups = _group_expenses(
-            corporate_credit_card_expenses,
-            corporate_credit_card_expense_group_field,
-            workspace_id,
-        )
 
-        expense_groups.extend(corporate_credit_card_expense_groups)
+        if corporate_credit_card_expenses:
+            workspace_general_settings = WorkspaceGeneralSettings.objects.get(
+                workspace_id=workspace_id
+            )
+            ccc_export_module = workspace_general_settings.corporate_credit_card_expenses_object
+
+            if ccc_export_module == "BANK TRANSACTION" and expense_group_settings.split_expense_grouping == 'MULTIPLE_LINE_ITEM':
+                ccc_expenses_without_bank_transaction_id = list(
+                    filter(lambda expense: not expense.bank_transaction_id, corporate_credit_card_expenses)
+                )
+
+                ccc_expenses_with_bank_transaction_id = list(
+                    filter(lambda expense: expense.bank_transaction_id, corporate_credit_card_expenses)
+                )
+
+                if ccc_expenses_without_bank_transaction_id:
+                    groups_without_bank_transaction_id = _group_expenses(
+                        ccc_expenses_without_bank_transaction_id,
+                        corporate_credit_card_expense_group_field,
+                        workspace_id,
+                    )
+                    expense_groups.extend(groups_without_bank_transaction_id)
+
+                if ccc_expenses_with_bank_transaction_id:
+                    split_expense_group_fields = [
+                        field for field in corporate_credit_card_expense_group_field
+                        if field not in ('expense_id', 'expense_number')
+                    ]
+                    split_expense_group_fields.append('bank_transaction_id')
+
+                    groups_with_bank_transaction_id = _group_expenses(
+                        ccc_expenses_with_bank_transaction_id,
+                        split_expense_group_fields,
+                        workspace_id,
+                    )
+                    expense_groups.extend(groups_with_bank_transaction_id)
+
+            else:
+                corporate_credit_card_expense_groups = _group_expenses(
+                    corporate_credit_card_expenses,
+                    corporate_credit_card_expense_group_field,
+                    workspace_id,
+                )
+
+                expense_groups.extend(corporate_credit_card_expense_groups)
 
         expense_group_objects = []
 

apps/workspaces/apis/export_settings/serializers.py

@@ -64,6 +64,9 @@ class ExpenseGroupSettingsSerializer(serializers.ModelSerializer):
     ccc_expense_state = serializers.CharField(
         allow_null=True, allow_blank=True, required=False
     )
+    split_expense_grouping = serializers.CharField(
+        allow_null=False, allow_blank=False, required=True
+    )
 
     class Meta:
         model = ExpenseGroupSettings
@@ -74,6 +77,7 @@ class Meta:
             "corporate_credit_card_expense_group_fields",
             "ccc_export_date_type",
             "ccc_expense_state",
+            "split_expense_grouping",
         ]
 
 

sql/scripts/027-default-split-expense-grouping-for-old-orgs.sql

@@ -0,0 +1,5 @@
+rollback;
+begin;
+
+UPDATE expense_group_settings
+SET split_expense_grouping = 'SINGLE_LINE_ITEM';