Update app.py

switch country iso-code to country name

app.py

@@ -4,6 +4,7 @@ from appStore.prep_data import process_giz_worldwide
 from appStore.prep_utils import create_documents, get_client
 from appStore.embed import hybrid_embed_chunks
 from appStore.search import hybrid_search
+from appStore.region_utils import load_region_data, get_country_name
 from torch import cuda
 import json
 
@@ -15,6 +16,10 @@ st.set_page_config(page_title="SEARCH IATI",layout='wide')
 st.title("GIZ Project Database")
 var = st.text_input("Enter Search Query")
 
+# Load the region lookup CSV
+region_lookup_path = "docStore/regions_lookup.csv"
+region_df = load_region_data(region_lookup_path)
+
 ####################  Create the embeddings collection and save ######################
 # the steps below need to be performed only once and then commented out any unnecssary compute over-run
 ##### First we process and create the chunks for relvant data source
@@ -31,7 +36,7 @@ print(client.get_collections())
 
 # Fetch unique country codes from the metadata for the dropdown
 @st.cache_data
-def get_unique_countries(_client, collection_name):
+def get_unique_countries_with_names(_client, collection_name, region_df):
     results = hybrid_search(_client, "", collection_name)
     country_set = set()
     for res in results[0] + results[1]:
@@ -41,9 +46,13 @@ def get_unique_countries(_client, collection_name):
             country_set.update(country_list)
         except json.JSONDecodeError:
             pass
-    return sorted(list(country_set))
+    
+    # Map ISO codes to country names
+    country_names = [get_country_name(code, region_df) for code in country_set]
+    return sorted(country_names)
 
-unique_countries = get_unique_countries(client, collection_name)
+client = get_client()
+unique_countries = get_unique_countries_with_names(client, collection_name, region_df)
 
 # Layout filters in columns
 col1, col2, col3 = st.columns([1, 1, 4])