fix(views): Add support is_receipt param for filter base on that

- Update get_template_choices to accept an is_receipt parameter.

Closes(#22)

sage_invoice/helpers/funcs.py

@@ -7,14 +7,14 @@
 from sage_invoice.service.discovery import JinjaTemplateDiscovery
 
 
-def get_template_choices():
+def get_template_choices(is_receipt=False):
     """
     Returns a combined list of default and custom templates, formatted for use in a
-    model's choices field.
+    model's choices field, filtered by the `is_receipt` flag.
     """
     discovery = JinjaTemplateDiscovery()
-    default_templates = discovery.get_default_templates()
-    custom_templates = discovery.get_custom_templates()
+    default_templates = discovery.get_default_templates(is_receipt=is_receipt)
+    custom_templates = discovery.get_custom_templates(is_receipt=is_receipt)
 
     choices = [(template, template) for template in default_templates]
     choices += [(template, template) for template in custom_templates]

sage_invoice/service/discovery.py

@@ -1,9 +1,7 @@
 import os
-
 from django.apps import apps
 from django.conf import settings
 
-
 class JinjaTemplateDiscovery:
     def __init__(self):
         self.default_template_dir = "default_invoices"  # inside package
@@ -12,17 +10,16 @@ def __init__(self):
         )  # custom templates folder name
         self.sage_template_prefix = settings.SAGE_MODEL_PREFIX  # custom template prefix
 
-    def get_default_templates(self):
+    def get_default_templates(self, is_receipt=False):
         """Return a list of default templates found in the package's template directory."""
-        # Use Django's template loading mechanisms to discover default templates.
         default_path = os.path.join(
             apps.get_app_config("sage_invoice").path,
             "templates",
             self.default_template_dir,
         )
-        return self._find_templates_in_directory(default_path)
+        return self._find_templates_in_directory(default_path, is_receipt)
 
-    def get_custom_templates(self):
+    def get_custom_templates(self, is_receipt=False):
         """Return a list of custom templates found in each app's `templates/` directory."""
         template_choices = []
         for app_config in apps.get_app_configs():
@@ -32,15 +29,15 @@ def get_custom_templates(self):
             if os.path.exists(template_dir):
                 template_choices.extend(
                     self._find_templates_in_directory(
-                        template_dir, self.sage_template_prefix
+                        template_dir, is_receipt, self.sage_template_prefix
                     )
                 )
         return template_choices
 
-    def _find_templates_in_directory(self, directory, prefix=None):
+    def _find_templates_in_directory(self, directory, is_receipt=False, prefix=None):
         """
         Helper method to find .jinja2 files in a directory, optionally filtering by
-        prefix, and return the filenames without the .jinja2 extension.
+        prefix or `is_receipt`, and return the filenames without the .jinja2 extension.
         """
         if not os.path.exists(directory):
             return []
@@ -50,7 +47,11 @@ def _find_templates_in_directory(self, directory, prefix=None):
             if filename.endswith(".jinja2") and (
                 not prefix or filename.startswith(prefix)
             ):
-                templates.append(filename)
+                # Filter based on is_receipt
+                if is_receipt and "receipt" in filename:
+                    templates.append(filename)
+                elif not is_receipt and "receipt" not in filename:
+                    templates.append(filename)
 
         # Remove the .jinja2 extension from the filenames
         filenames = list(map(lambda x: x.replace(".jinja2", ""), templates))