sync from local backup

2026-08-05 23:59:15 +08:00
commit d48ec1747c
358 changed files with 34384 additions and 0 deletions
@@ -0,0 +1,80 @@
+import difflib
+from rest_framework.decorators import permission_classes
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+from rest_framework.permissions import AllowAny
+
+
+@permission_classes([AllowAny])
+class TextDiffView(APIView):
+    def post(self, request):
+        text_a = request.data.get('text_a')
+        text_b = request.data.get('text_b')
+
+        if text_a is None or text_b is None:
+            return Response(
+                {'error': 'text_a and text_b are required'},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        lines_a = text_a.splitlines()
+        lines_b = text_b.splitlines()
+
+        diff_result = list(difflib.ndiff(lines_a, lines_b))
+
+        diff_lines = []
+        line_a = 0
+        line_b = 0
+        added_count = 0
+        removed_count = 0
+        unchanged_count = 0
+
+        for line in diff_result:
+            if line.startswith('? '):
+                continue
+            elif line.startswith('+ '):
+                line_b += 1
+                added_count += 1
+                diff_lines.append({
+                    'line_number_a': None,
+                    'line_number_b': line_b,
+                    'type': 'added',
+                    'content': line[2:],
+                })
+            elif line.startswith('- '):
+                line_a += 1
+                removed_count += 1
+                diff_lines.append({
+                    'line_number_a': line_a,
+                    'line_number_b': None,
+                    'type': 'removed',
+                    'content': line[2:],
+                })
+            elif line.startswith('  '):
+                line_a += 1
+                line_b += 1
+                unchanged_count += 1
+                diff_lines.append({
+                    'line_number_a': line_a,
+                    'line_number_b': line_b,
+                    'type': 'unchanged',
+                    'content': line[2:],
+                })
+
+        stats = {
+            'added_count': added_count,
+            'removed_count': removed_count,
+            'unchanged_count': unchanged_count,
+            'total_lines': len(diff_lines),
+        }
+
+        return Response(
+            {
+                'diff_lines': diff_lines,
+                'stats': stats,
+                'text_a_lines': len(lines_a),
+                'text_b_lines': len(lines_b),
+            },
+            status=status.HTTP_200_OK,
+        )