FinanceFerret/HyperMoney: Difference between revisions

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*Sum of all equity parts must equal sum of all target parts.
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===Grouping===
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Revision as of 19:31, 6 August 2005

Template:Stub:Woozle Woozle: Projects: HyperMoney

HyperMoney is my attempt to write a money-management program (as in Quicken or Microsoft Money) that is actually usable and has no Stupid Features. It will be Open Source, as soon as I have source worth publishing (as of 2005-08-06, it's all written in Microsoft Access 97). The next step may be to convert it to web-based application, as HTML could possibly overcome many of the interface design issues I'm encountering.

Project Goals

  • To avoid shortcomings in existing money manager software: see HyperMoney: Flaws in Other Software
  • To minimize the "setup curve", i.e. the amount of preparatory work needed before any useful amounts of data can be entered
  • To provide all basic functionality needed for the following:
    • Tracking and balancing one's bank accounts, credit cards, and other basic types of money accounts
    • Tracking debts and loans involving one or more other parties of varying levels of disorganization (they might or might not send you regular statements or even reliable itemizations)
  • To make data entry as painless as possible:
    • Easy identification of redundantly-entered transactions -- so you can Just Start Typing instead of worrying about where you left off last time
    • Deferred data massaging -- so you can Just Start Typing, and worry about assigning proper accounts and categories to things later; the program should keep track of incomplete data massaging so you can take care of it when you have time

Data Design

There are two main areas of concern: Accounts and Transactions. All other tables are supporting either or both of those, sometimes mainly for user-friendliness and not part of the core data design. User-friendliness functions include Grouping and Pre-entry (deferred data massaging).

Acccounts

Accounts table
Field Type Description
ID int(4) autonumber
Name text short name for account
Descr text description and notes

Accounts are in a hierarchical tree, but this is mainly user-friendliness (though it can also be used for reports). The tree is in a separate table, Topics, and the mapping from Accounts to Topics is in [Account Topics].

Account Topics table
Field Type Description
ID_Acct int(4) Accounts.ID
ID_Topic int(4) Topics.ID

Transactions

Every transaction consists of one or more TransParts associated with a master Transaction record. Inforamation about balances will be stored separately.

Trxacts table (Transactions)
Field Type Description
ID int(4) autonumber
Descr text description of transaction
When date date when the transaction occurred, as recorded by user
TrxParts table (TransParts)
Field Type Description
ID_Trx int(4) Trxacts.ID of master transaction
ID_Acct int(4) Accts.ID of account for this part of the transaction
ID_Type int(4) TrxTypes.ID of transaction type for this part
ID_Mode int(4) TrxModes.ID of transaction mode (source, target, equity, topic)
When date date when the transaction occurred, according to the institution hosting the account
Amount currency amount of transaction; positive = deposit, negative = withdrawal.
  • Sum of all source parts plus all target parts must equal zero.
  • Sum of all equity parts must equal sum of all target parts.

Grouping

Topics table
Field Type Description
ID int(4) autonumber
Name text short name for topic
Descr text longer description of topic (optional)
ID_Parent int(4) Topics.ID of parent topic; NULL = this is a root topic

Interface Design

Links