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Watcard

A command line tool for accessing your watcard history and balance.

Installation

Install the gem with:

$ gem install watcard

Create the config file ~/.watcard.yml:

---
# Student id and watcard pin
id: 12345678
pin: 1234
# Daily food budget to use for reference (in dollars)
budget: 19
# Ledger output file
ledger: ~/Box/Life/watcard.ldg
# Accounts to use in Ledger output for different watcard balances
accounts:
  # Meal Plan are account 1
  1: ["Expenses:Food:Meals","Assets:WatCard:Meal Plan"]
  # Flex Dollars are account 4
  4: ["Expenses:Misc University","Assets:WatCard:Flex"]

Note: you can find the web UI for setting your pin and online access here.

Usage

History

Fetches history for a day and compares it with the budget (if there is one).

$ watcard hist
# Fetching history for 2014-09-05 19:53:54 -0400
Breakfast: $3.14 @ V1 Cafeteria
Dinner: $5.78 @ V1 Cafeteria
= $8.92 out of $19 surplus: 10.08
$ watcard hist 1 # One day ago
# Fetching history for 2014-09-04 19:53:01 -0400
Breakfast: $6.24 @ V1 Cafeteria
Lunch: $7.70 @ Liquid Assets
Dinner: $6.28 @ V1 Cafeteria
= $20.22 out of $19 surplus: -1.22

Ledger

Outputs double entry transactions in ledger format and optionally appends them to a file.

$ watcard ledger 1
# Fetching history for 2014-09-04 20:06:31 -0400
# Transactions:

2014/09/04 Breakfast at V1 Cafeteria
  Expenses:Food:Meals  $6.24
  Assets:WatCard:Meal Plan

2014/09/04 Lunch at Liquid Assets
  Expenses:Food:Meals  $7.70
  Assets:WatCard:Meal Plan

2014/09/04 Dinner at V1 Cafeteria
  Expenses:Food:Meals  $6.28
  Assets:WatCard:Meal Plan
# Add to file [yN]: n

You can use this with ledger's budgeting and accounting features to do lots of cool things like determine your current watcard balance and see budgeting stuff.

$ ledger -f watcard.ldg --period 'this week' --budget register expenses
14-Sep-01 Budget transaction    Expenses:Food:Meals         $-19.00      $-19.00
14-Sep-01 Lunch at V1 Cafeteria Expenses:Food:Meals           $7.74      $-11.26
14-Sep-02 Budget transaction    Expenses:Food:Meals         $-19.00      $-30.26
14-Sep-02 Breakfast at V1 Caf.. Expenses:Food:Meals           $1.34      $-28.92
14-Sep-03 Budget transaction    Expenses:Food:Meals         $-19.00      $-47.92
14-Sep-03 Breakfast at V1 Caf.. Expenses:Food:Meals           $5.40      $-42.52
14-Sep-04 Budget transaction    Expenses:Food:Meals         $-19.00      $-61.52
14-Sep-04 Breakfast at V1 Caf.. Expenses:Food:Meals           $6.24      $-55.28
14-Sep-04 Lunch at Liquid Ass.. Expenses:Food:Meals           $7.70      $-47.58
14-Sep-04 Dinner at V1 Cafete.. Expenses:Food:Meals           $6.28      $-41.30
14-Sep-05 Budget transaction    Expenses:Food:Meals         $-19.00      $-60.30
14-Sep-05 Breakfast at V1 Caf.. Expenses:Food:Meals           $3.14      $-57.16
14-Sep-05 Dinner at V1 Cafete.. Expenses:Food:Meals           $5.78      $-51.38
$ ledger -f watcard.ldg balance
            $2197.88  Assets:WatCard
             $191.50    Flex
            $2006.38    Meal Plan
           $-2250.00  Equity:RESP
              $52.12  Expenses
              $43.62    Food:Meals
               $8.50    Misc University
--------------------
                   0

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A ruby command line tool for accessing watcard history.

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