From 5c0ee92a6baf706e34fd0a0e9b77eef7401bbcab Mon Sep 17 00:00:00 2001
From: Agnibho Mondal <mondal@agnibho.com>
Date: Fri, 12 Jan 2024 02:16:16 +0530
Subject: [PATCH] Show patient age

---
 librevax.py                 | 14 +++++++++++++-
 templates/patient-view.html |  1 +
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/librevax.py b/librevax.py
index 988c8e8..41c87d9 100644
--- a/librevax.py
+++ b/librevax.py
@@ -714,9 +714,21 @@ def format_date(date):
         else:
             dt=datetime.strptime(date, "%Y-%m-%d")
             return dt.strftime("%b %d, %Y")
-    except Exception:
+    except Exception as e:
         return date
 
+@app.template_filter("calculate_age")
+def calculate_age(dob):
+    try:
+        today=datetime.today()
+        try:
+            born=datetime.strptime(dob, "%Y-%m-%d")
+        except ValueError:
+            born=datetime.strptime(dob, "%Y")
+        return today.year-born.year-((today.month, today.day)<(born.month, born.day))
+    except Exception as e:
+        return ""
+
 def init_db():
     with app.app_context():
         db=get_db()
diff --git a/templates/patient-view.html b/templates/patient-view.html
index dd0f48b..ccba911 100644
--- a/templates/patient-view.html
+++ b/templates/patient-view.html
@@ -17,6 +17,7 @@ You should have received a copy of the GNU General Public License along with Lib
     <tr><th>Card ID</th><td>{{data["cid"]}}</td></tr>
     <tr><th>Name</th><td>{{data["name"]}}</td></tr>
     <tr><th>Date of Birth</th><td>{{data["dob"]}}</td></tr>
+    <tr><th>Age</th><td>{{data["dob"]|calculate_age}}</td></tr>
     <tr><th>Sex</th><td>{{data["sex"]}}</td></tr>
     <tr><th>Address</th><td>{{data["address"]}}</td></tr>
     <tr><th>Contact</th><td>{{data["contact"]}}</td></tr>
-- 
2.39.5