Expens-O-Meter Jatinder Singh Vishwanath Nayak Persistent Systems

Jatinder Singh

Vishwanath Nayak

Persistent Systems

BIRTH Tired of tracking expenses in spreadsheets. Notepads and piece of papers. During Pune Hackathon organized by Better Labs, SFBL and Pune Ruby Group.

Tired of tracking expenses in spreadsheets. Notepads and piece of papers.

During Pune Hackathon organized by Better Labs, SFBL and Pune Ruby Group.

Why not spreadsheets? Plethora of unrelated spreadsheets Spreadsheet is not a BI Tool I am not a programmer, I don’t know and don’t want to know how to write macros and formulas.

Plethora of unrelated spreadsheets

Spreadsheet is not a BI Tool

I am not a programmer, I don’t know and don’t want to know how to write macros and formulas.

Current Features of Expens-O-Meter Categorize your expenses Food, Travel, Movies etc. are categories. Add recurring expenses Saturday Movies, Dinner everyday etc. Daily and Weekly View Weekly view provides summary of current week expenses. Analyse your expenses Category wise Weekly/Monthly/Duration pie charts. Its all about User Interface baby!

Categorize your expenses

Food, Travel, Movies etc. are categories.

Add recurring expenses

Saturday Movies, Dinner everyday etc.

Daily and Weekly View

Weekly view provides summary of current week expenses.

Analyse your expenses

Category wise Weekly/Monthly/Duration pie charts.

Its all about User Interface baby!

Features planned for coming weeks Shared Expenses Add your friends and mark expenses incurred by you on them. Collective Intelligence and Folksonomy Where do you lie in the community of users using Expens-O-Meter based on your expense patterns. Update your expenses from mobile phones!

Shared Expenses

Add your friends and mark expenses incurred by you on them.

Collective Intelligence and Folksonomy

Where do you lie in the community of users using Expens-O-Meter based on your expense patterns.

Update your expenses from mobile phones!

DEMO

Ruby On Rails Schema Evolution using Rails Migrations. Active Record (Models) Associations Validations class User < ActiveRecord::Base has_many :categories end class Category< ActiveRecord::Base belongs_to :user end class Miscexpense < ActiveRecord::Base validates_numericality_of :amount, :gte => 0 end

Schema Evolution using Rails Migrations.

Active Record (Models)

Associations

Validations

Ruby On Rails continued… Views (Action View) Partials : Used a lot for serving AJAX requests. RJS templates , again serving AJAX. Controllers(Action Controller) Session Management

Views (Action View)

Partials : Used a lot for serving AJAX requests.

RJS templates , again serving AJAX.

Controllers(Action Controller)

Session Management

Reports using Gruff Graphs for Ruby ImageMagick Rmagick, Interface to ImageMagick from Ruby. JavaScript libraries used(Rich Client Side Apps) Prototype Scriptaculous (In Place Editor) DOJO (Tabs, Date Picker) Prototype Windows( inline popup windows) You don’t have to be a pro in JavaScript. Ruby On Rails continued…

Reports using Gruff Graphs for Ruby

ImageMagick

Rmagick, Interface to ImageMagick from Ruby.

JavaScript libraries used(Rich Client Side Apps)

Prototype

Scriptaculous (In Place Editor)

DOJO (Tabs, Date Picker)

Prototype Windows( inline popup windows)

You don’t have to be a pro in JavaScript.

Learnings Focus on features first Cake should be ready only then you can put icing on it. Eye candy things like AJAX, cool UI, leave it for next day. Write Tests Test Contaminated development environment. Stuck at any point? Rails mailing list to the rescue

Focus on features first

Cake should be ready only then you can put icing on it.

Eye candy things like AJAX, cool UI, leave it for next day.

Write Tests

Test Contaminated development environment.

Stuck at any point?

Rails mailing list to the rescue

Inspirational sites developed on Rails Basecamp Tada Lists 43 things Fluxiom

Basecamp

Tada Lists

43 things

Fluxiom

Questions?

Thank You