Update main_app.py

main_app.py

@@ -19,6 +19,7 @@ app = marimo.App(width="medium")
     from ibm_watsonx_ai import APIClient, Credentials
     from ibmcloudant.cloudant_v1 import CloudantV1, Document
     from ibm_cloud_sdk_core.authenticators import IAMAuthenticator
+    from cloudant_helper_functions import cloudant_retrieve_documents, ensure_database_exists
     import marimo as mo
     import pandas as pd
     import requests
@@ -55,7 +56,6 @@ def _(mo):
 
 @app.cell
 def _(os):
-
     # Set explicit temporary directory
     os.environ['TMPDIR'] = '/tmp/notebook_functions'
 
@@ -212,11 +212,37 @@ def _(deployment_client, project_client):
 
 
 @app.cell
-def _(mo):
-    template_variants = [
-        "Base",
-        "Stream Files to IBM COS [Example]",
+def _():
+    cloudant_apikey = os.getenv("CLOUDANT_APIKEY", "")
+    cloudant_url = os.getenv("CLOUDANT_URL", "")
+    cloudant_db = os.getenv("CLOUDANT_DATABASE", "")
+
+    authenticator = IAMAuthenticator(cloudant_apikey)
+    cloudant = CloudantV1(authenticator=authenticator)
+
+    cloudant.set_service_url(cloudant_url)
+    cloudant.http_client.verify = certifi.where()
+    os.environ["REQUESTS_CA_BUNDLE"] = certifi.where()
+    return (cloudant,)
+
+@app.cell
+def _(cloudant, cloudant_db):
+    variant_selectors = cloudant_retrieve_documents(
+        client=cloudant,
+        db_name=cloudant_db.value,
+        selectors={"filename": {"$exists": True}},
+        fields=["category"],
+    )
+
+    variant_selectors_list = [
+        item["category"] for item in variant_selectors["docs"]
     ]
+    # variant_selectors_list
+    return (variant_selectors_list,)
+
+@app.cell
+def _(mo):
+    template_variants = variant_selectors_list
     template_variant = mo.ui.dropdown(template_variants, label="Code Template:", value="Base")
     return (template_variant,)