Handle the wording of time unit in calls

Whatsapp_Chat_Exporter/android_handler.py

@@ -1,6 +1,5 @@
 #!/usr/bin/python3
 
-import datetime
 import sqlite3
 import os
 import io
@@ -12,8 +11,8 @@ from markupsafe import escape as htmle
 from hashlib import sha256
 from base64 import b64decode, b64encode
 from Whatsapp_Chat_Exporter.data_model import ChatStore, Message
-from Whatsapp_Chat_Exporter.utility import MAX_SIZE, ROW_SIZE, DbType, determine_metadata, JidType
-from Whatsapp_Chat_Exporter.utility import rendering, Crypt, Device, get_file_name, setup_template
+from Whatsapp_Chat_Exporter.utility import MAX_SIZE, ROW_SIZE, DbType, convert_time_unit, determine_metadata
+from Whatsapp_Chat_Exporter.utility import rendering, Crypt, Device, get_file_name, setup_template, JidType
 from Whatsapp_Chat_Exporter.utility import brute_force_offset, CRYPT14_OFFSETS, get_status_location
 from Whatsapp_Chat_Exporter.utility import get_chat_condition, slugify, convert_size, chat_is_empty
 
@@ -734,13 +733,11 @@ def calls(db, data, timezone_offset, filter_chat):
         elif content['call_result'] == 3:
             call.data += "unavailable."
         elif content['call_result'] == 5:
-            call_time = str(datetime.timedelta(seconds=content['duration']))
-            if "day" not in call_time and call_time.startswith("0:"):
-                call_time = call_time[2:]
+            call_time = convert_time_unit(content['duration'])
             call_bytes = convert_size(content['bytes_transferred'])
             call.data += (
                 f"initiated and lasted for {call_time} "
-                f"with {call_bytes} transferred."
+                f"with {call_bytes} data transferred."
             )
         chat.add_message(content["_id"], call)
         content = c.fetchone()

Whatsapp_Chat_Exporter/utility.py

@@ -6,7 +6,7 @@ import re
 import math
 from bleach import clean as sanitize
 from markupsafe import Markup
-from datetime import datetime
+from datetime import datetime, timedelta
 from enum import IntEnum
 from Whatsapp_Chat_Exporter.data_model import ChatStore
 try:
@@ -24,6 +24,26 @@ MAX_SIZE = 4 * 1024 * 1024  # Default 4MB
 ROW_SIZE = 0x3D0
 
 
+def convert_time_unit(time_second: int):
+    time = str(timedelta(seconds=time_second))
+    if "day" not in time:
+        if time_second < 1:
+            time = "less than a second"
+        elif time_second == 1:
+            time = "a second"
+        elif time_second < 60:
+            time = time[5:][1 if time_second < 10 else 0:] + " seconds"
+        elif time_second == 60:
+            time = "a minute"
+        elif time_second < 3600:
+            time = time[2:] + " minutes"
+        elif time_second == 3600:
+            time = "an hour"
+        else:
+            time += " hour"
+    return time
+
+
 def convert_size(size_bytes):
     """From https://stackoverflow.com/a/14822210/9478891 
     Authors: james-sapam & other contributors