From 315f4e126929fa1a41a6d4ba8039c84de3d58a6e Mon Sep 17 00:00:00 2001
From: Herculino Trotta <netotrotta@gmail.com>
Date: Fri, 17 Jan 2025 23:53:39 -0300
Subject: [PATCH] feat: add a duplicate/clone action to each transaction

---
 app/apps/transactions/urls.py               |  5 ++
 app/apps/transactions/views/transactions.py | 51 +++++++++++++++++++++
 app/templates/cotton/transaction/item.html  |  8 ++++
 3 files changed, 64 insertions(+)

diff --git a/app/apps/transactions/urls.py b/app/apps/transactions/urls.py
index 844adad..44a6884 100644
--- a/app/apps/transactions/urls.py
+++ b/app/apps/transactions/urls.py
@@ -41,6 +41,11 @@ urlpatterns = [
         views.transaction_edit,
         name="transaction_edit",
     ),
+    path(
+        "transaction/<int:transaction_id>/clone",
+        views.transaction_clone,
+        name="transaction_clone",
+    ),
     path(
         "transaction/add",
         views.transaction_add,
diff --git a/app/apps/transactions/views/transactions.py b/app/apps/transactions/views/transactions.py
index 262c4ca..3561fa4 100644
--- a/app/apps/transactions/views/transactions.py
+++ b/app/apps/transactions/views/transactions.py
@@ -1,4 +1,5 @@
 import datetime
+from copy import deepcopy
 
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
@@ -12,6 +13,7 @@ from django.views.decorators.http import require_http_methods
 
 from apps.common.decorators.htmx import only_htmx
 from apps.common.utils.dicts import remove_falsey_entries
+from apps.rules.signals import transaction_created
 from apps.transactions.filters import TransactionsFilter
 from apps.transactions.forms import TransactionForm, TransferForm
 from apps.transactions.models import Transaction
@@ -89,6 +91,55 @@ def transaction_edit(request, transaction_id, **kwargs):
     )
 
 
+@only_htmx
+@login_required
+@require_http_methods(["GET", "POST"])
+def transaction_clone(request, transaction_id, **kwargs):
+    transaction = get_object_or_404(Transaction, id=transaction_id)
+    new_transaction = deepcopy(transaction)
+    new_transaction.pk = None
+    new_transaction.installment_plan = None
+    new_transaction.installment_id = None
+    new_transaction.recurring_transaction = None
+    new_transaction.save()
+
+    new_transaction.tags.add(*transaction.tags.all())
+    new_transaction.entities.add(*transaction.entities.all())
+
+    messages.success(request, _("Transaction duplicated successfully"))
+
+    transaction_created.send(sender=transaction)
+
+    # THIS HAS BEEN DISABLE DUE TO HTMX INCOMPATIBILITY
+    # SEE https://github.com/bigskysoftware/htmx/issues/3115 and https://github.com/bigskysoftware/htmx/issues/2706
+
+    # if request.GET.get("edit") == "true":
+    #     return HttpResponse(
+    #         status=200,
+    #         headers={
+    #             "HX-Trigger": "updated",
+    #             "HX-Push-Url": "false",
+    #             "HX-Location": json.dumps(
+    #                 {
+    #                     "path": reverse(
+    #                         "transaction_edit",
+    #                         kwargs={"transaction_id": new_transaction.id},
+    #                     ),
+    #                     "target": "#generic-offcanvas",
+    #                     "swap": "innerHTML",
+    #                 }
+    #             ),
+    #         },
+    #     )
+    # else:
+    #     transaction_created.send(sender=transaction)
+
+    return HttpResponse(
+        status=204,
+        headers={"HX-Trigger": "updated"},
+    )
+
+
 @only_htmx
 @login_required
 @csrf_exempt
diff --git a/app/templates/cotton/transaction/item.html b/app/templates/cotton/transaction/item.html
index 8007599..02ba143 100644
--- a/app/templates/cotton/transaction/item.html
+++ b/app/templates/cotton/transaction/item.html
@@ -110,6 +110,14 @@
                 hx-get="{% url 'transaction_edit' transaction_id=transaction.id %}"
                 hx-target="#generic-offcanvas" hx-swap="innerHTML">
           <i class="fa-solid fa-pencil fa-fw"></i></a>
+          <a class="btn btn-secondary btn-sm transaction-action"
+                role="button"
+                data-bs-toggle="tooltip"
+                data-bs-title="{% translate "Duplicate" %}"
+                hx-get="{% url 'transaction_clone' transaction_id=transaction.id %}"
+                _="on click if event.ctrlKey set @hx-get to `{% url 'transaction_clone' transaction_id=transaction.id %}?edit=true` then call htmx.process(me) end then trigger ready"
+                hx-trigger="ready" >
+          <i class="fa-solid fa-clone fa-fw"></i></a>
           <a class="btn btn-secondary btn-sm transaction-action"
                   role="button"
                   data-bs-toggle="tooltip"