update app.py

app.py

@@ -28,16 +28,33 @@ def get_pdf_text(pdf_docs):
 # 과제
 # 아래 텍스트 추출 함수를 작성
 
-def get_text_file(docs):
-    pass
-
-
-def get_csv_file(docs):
-    pass
-
-def get_json_file(docs):
-    pass
-
+def get_text_file(txt_files):
+    temp_dir = tempfile.TemporaryDirectory() 
+    temp_filepath = os.path.join(temp_dir.name, txt_files.name) 
+    with open(temp_filepath, "wb") as f:  
+        f.write(txt_files.getvalue()) 
+    text_loader = TextLoader(temp_filepath) 
+    text_file = text_loader.load() 
+    return text_file 
+
+
+def get_csv_file(csv_files):
+    temp_dir = tempfile.TemporaryDirectory() 
+    temp_filepath = os.path.join(temp_dir.name, csv_files.name) 
+    with open(temp_filepath, "wb") as f:  
+        f.write(csv_files.getvalue())
+    csv_loader = CSVLoader(temp_filepath) 
+    csv_file = csv_loader.load() 
+    return csv_file 
+
+def get_json_file(json_files):
+    temp_dir = tempfile.TemporaryDirectory()
+    temp_filepath = os.path.join(temp_dir.name, json_files.name) 
+    with open(temp_filepath, "wb") as f: 
+        f.write(json_files.getvalue()) 
+    json_loader = JSONLoader(temp_filepath, jq_schema='.messages[].content', text_content=False) 
+    json_file = json_loader.load() 
+    return json_file 
     
 # 문서들을 처리하여 텍스트 청크로 나누는 함수입니다.
 def get_text_chunks(documents):