Add system

system/process_time.py

@@ -115,6 +115,8 @@ def extract_columns_to_dict(file_path, delimiter='\t'):
 
 
 def parse_date(date_str):
+    if not date_str:
+        return None, date_str
     try:
         return datetime.datetime.strptime(date_str, "%Y-%m-%d"), date_str
     except ValueError:

test.html

@@ -318,7 +318,11 @@
           if (!eventsRes.ok) throw new Error("Event file not found or malformed");
           const data = await eventsRes.json();
           if (!Array.isArray(data)) throw new Error("Unexpected data format");
-
+          
+          if (data.length === 0) {
+            p.innerHTML = `<div class="text-gray-500 italic"> Sorry, we do not find any progress for this pledge.</div>`;
+            return;
+          }
           // p.innerHTML = `<strong>We have found ${data.length} events for this pledge.</strong><br><br>` +
           //   data.map((e, index) => `
           p.innerHTML =