financial planning app

A financial planning & simulation application.

To do:

Convert backend from JS to Rust
Convert UI from Electron to Tauri
Convert web front end from React to Svelte
Cleanup / improve look & style of layout
Convert charts to D3
Generate overall visualizations / charts for dashboard
Add use tips to dashboard page if there is no data loaded

Features

Simulate income and expenses through retirement
Track historic account balances
Support multiple account types
- Income
- Retirement (IRA, Roth IRA, 401K)
- Social Security
- College Savings (529)
- Expenses (such as grocery, car, utilities, insurance, entertainment, rent, etc.)
- Loans (student, car, etc.)
- Mortgage
- Savings
- Health Savings Account (HSA)
Make pretty graphs
Financial data saved locally as human readable json file

Computation Flow

Loop through accounts to determine what order they should be processed in
initialize tables to the correct sizes
Main loop to loop through each year
- Initialize this year
- Loop through accounts to make contributions and withdrawals
  - Initialize the value of the account for this year
  - Calculate earnings for savings, college, retirement, hsa, and income accounts
  - Add earnings to the account table for the year
  - Calculate interest for loan and mortgage
  - Add interest to the account table for the year
  - Calculate contribution amount if account has a yearlyContribution defined
    - Calculate contribution amount based on contribution type (fixed_with_inflation, fixed, percent_of_income)
    - Calculate the employer contribution
  - Add contribution and employerMatch to the account table for the year
  - Remove contribution from taxable income for the year based on taxStatus
  - Calculate payment if paymentType is defined
    - Calculate payment amount
  - Add payment to the account table for the year
  - Calculate withdrawal if withdrawalType is defined
    - Calculate withdrawal amount for col_frac_of_savings, fixed, fixed_with_inflation, and end_at_zero
    - Limit withdrawal amount to the current value of the account (do not allow an account to become overdrawn)
  - Calculate expense amount
    - Calculate expense amount for fixed and fixed_with_inflation
  - Add earnings to incomeTotalTaxableTable and incomeTotalTable for the year
  - Remove withdrawal from the account table for the year
  - Add withdrawal to income table for the year (withdrawal came from another account and it added to the income tables)
  - Add expense to the account table for the year
  - Remove healthcare expenses from linked HSA account
  - Add entry to expense total table
  - Add entry to savings total
- Add Income to net account (subtract out paying for income tax)
Return Results

Development Setup

Clone the repo via git

git clone https://github.com/aero530/fpapp.git fpapp

Update TypeScript Bindings

The accounts rust module uses ts-rs to automatically create TS bindings for use in the UI. Currently these need to manually generated if the accounts module changes.

> cd src-tauri/src/accounts; cargo test; cd ../../../

Dev

Start app in dev mode:

> npm run tauri dev

Packaging

Create a package for macOS, Windows, or Linux using one of the following commands:

> npm run tauri build

Tests

> cargo test

Revision History

v0.0.1 - 8.3.12

Initial development in Octave

v0.0.2 - 8.27.12

Convert to SciLab.

v0.0.3 - 9.1.12

Update input numbers

v0.0.4 - 12.22.12

Update input numbers

v0.0.5 - 10.27.13

Update input numbers - http://money.msn.com/retirement/retirement-calculator.aspx

v0.1.0 - 12.30.13

Convert to Python

v0.1.1 - 6.1.14

Update input numbers

v0.1.2 - 12.7.14

Update input numbers

v0.1.3 - 12.1.15

Update input numbers

v0.1.4 - 3.10.17

Update input numbers

v1.0.0 - 10.5.18

Convert to JS / electron
Save user data as json instead of at the beginning of the code file
Release v1.0.0

v1.0.1 - 10.9.18

Added social security account type

v1.0.2 - 10.10.18

Update with new theme

v1.0.3 - 11.14.18

Update to electron 3.0

v1.0.4 - 12.29.18

Update to babel 7
Migrate from 2 package.json to single package.json
Replace react-router-redux with connected-react-router
Remove unused dependencies

v2.0.0 - 10.3.19

Change to new project template
Update dependencies
Fix calculation bugs
Add social security income source

v2.1.0 - 10.17.19

Add file-new
Refresh pages on file-open or file-new

v2.1.1 - 12.9.19

Fix data type storage bug from MUI Editable table fields

v3.0.0 - ________

Convert to Rust & Tauri