update

docs/use cases.txt

@@ -39,6 +39,14 @@ Today is: 2022-06-27
 
 choose an option between 1 and 7:
 $1
+
+* User leaves package name empty and presses enter
+* User is prompt to enter a valid package name.
+
+enter a valid package name:
+$
+enter a valid package name:
+$
 enter a valid package name:
 $b1
 notes:
@@ -49,6 +57,9 @@ enter price:
 $15
 enter weight:
 $15
+
+* User needs to enter author because the package type is book.
+
 enter author
 $me
 b1 has been added to the list!
@@ -65,7 +76,41 @@ Today is: 2022-06-27
 6: mark package as delivered
 7: exit
 
-* When user lists packages again, the newly added package is shown in detail.
+* Add a different type of package.
+
+$2
+please select (1) book, (2) perishable, or (3) electronic package
+$2
+enter a valid package name:
+$p1
+notes:
+$more note
+enter date as yyyy-mm-dd hh:mm:
+$2023-01-01 00:00
+enter price:
+$10
+enter weight:
+$10
+
+* expiry date is required instead.
+
+enter expiry date as yyyy-mm-dd hh:mm
+$2025-05-05 05:55
+p1 has been added to the list!
+###################
+# Package Tracker #
+###################
+Today is: 2022-06-27
+1: List of all packages
+2: Add a package
+3: remove a package
+4: list overdue packages
+5: List upcoming packages
+6: mark package as delivered
+7: exit
+choose an option between 1 and 7:
+
+* When user lists packages again, the newly added packages are shown in detail.
 
 choose an option between 1 and 7:
 $1
@@ -79,6 +124,16 @@ Delivered? no
 65 days remaining
 Author: me
 
+Package #2
+Name: p1
+Notes: more note
+Price: 10.0
+Weight: 10.0
+Expected Delivery Date: 2023-01-01 00:00
+Delivered? no
+187 days remaining
+Expiry date: 2025-05-05 05:55
+
 ###################
 # Package Tracker #
 ###################
@@ -95,7 +150,7 @@ choose an option between 1 and 7:
 * To remove a package, user enters 3 and presses enter.
 * The packages are listed with an ID.
 
-3
+$3
 Package #1
 Name: b1
 Notes: my note
@@ -106,6 +161,16 @@ Delivered? no
 65 days remaining
 Author: me
 
+Package #2
+Name: p1
+Notes: more note
+Price: 10.0
+Weight: 10.0
+Expected Delivery Date: 2023-01-01 00:00
+Delivered? no
+187 days remaining
+Expiry date: 2025-05-05 05:55
+
 * user enters 0 to return to the main menu.
 
 enter item number you want to remove (0 to cancel):
@@ -133,6 +198,16 @@ Delivered? no
 65 days remaining
 Author: me
 
+Package #2
+Name: p1
+Notes: more note
+Price: 10.0
+Weight: 10.0
+Expected Delivery Date: 2023-01-01 00:00
+Delivered? no
+187 days remaining
+Expiry date: 2025-05-05 05:55
+
 * user enters corresponding ID to remove the package.
 
 enter item number you want to remove (0 to cancel):