added selection of model

gigiachat_requests.py

@@ -30,11 +30,11 @@ def get_access_token():
     print('Got access token')
     return access_token
 
-def get_number_of_tokens(prompt, access_token):
+def get_number_of_tokens(prompt, access_token, model):
     url_completion = os.getenv('GIGA_TOKENS_URL')
         
     data_copm = json.dumps({
-        "model": os.getenv('GIGA_MODEL'),
+        "model": model,
         "input": [
             prompt
         ],
@@ -51,11 +51,11 @@ def get_number_of_tokens(prompt, access_token):
 
     return response_data[0]['tokens']
 
-def get_completion_from_gigachat(prompt, max_tokens, access_token):
+def get_completion_from_gigachat(prompt, max_tokens, access_token, model):
     url_completion = os.getenv('GIGA_COMPLETION_URL')
         
     data_copm = json.dumps({
-        "model": os.getenv('GIGA_MODEL'),
+        "model": model,
         "messages": [
         {
             "role": "user",
@@ -78,11 +78,11 @@ def get_completion_from_gigachat(prompt, max_tokens, access_token):
 
     return answer_from_llm
 
-def process_transcribation_with_gigachat(prompt, transcript, max_tokens, access_token):
+def process_transcribation_with_gigachat(prompt, transcript, max_tokens, access_token, model):
     url_completion = os.getenv('GIGA_COMPLETION_URL')
 
     data_copm = json.dumps({
-        "model": 'GigaChat-Plus',
+        "model": model,
         "max_tokens": max_tokens,
         "messages": [
         {