54 lines
1.3 KiB
Markdown
54 lines
1.3 KiB
Markdown
# operation: accounting
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###### Sprint: ?
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### Outcome:
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a simple information about operations.
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#### File destination:
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{$Dena_Path}/app/model/operations/
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##### Doc
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* Operation:
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this is the base class for operations and subcategories Heir from it.
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operation column:
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1. reference: it has polymorphic for every type of references(for example trades or withdraws or deposit or ..)
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2. currencies: code of currency
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3. credit: plus funds
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4. debit: minus funds
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5. account
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methods of operations were implemented in this class and subcategories only use them.
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```mermaid
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graph TD
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A[operation] -->|inheritance| B(Expense)
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A[operation] -->|inheritance| C(Asset)
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A[operation] -->|inheritance| D(Liability)
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A[operation] -->|inheritance| E(Revenue)
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```
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this chart showed inheritance structure of operation.
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1. Expense:<br >
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Expense is a income statement operation.
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2. Asset<br >
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is a balance sheet operation.every income/outcome of system store and controll by it.
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3. Liability<br >
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is a balance sheet operation and belongs to members and we manage members accounting things by it.
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for example trades and deposit.
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4. Revenue:<br >
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is a income statement operation and we manage exchange revenue by it.
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####SO:
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* revenue --> revenue of exchange
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* liability --> users accounting
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* asset --> exchange assets
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* expense --> ?
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