db

package
v0.0.0-...-f821d45 Latest Latest
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Published: Nov 13, 2022 License: MIT Imports: 4 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Account

type Account struct {
	ID        int64     `json:"id"`
	Owner     string    `json:"owner"`
	Balance   int64     `json:"balance"`
	Currency  string    `json:"currency"`
	CreatedAt time.Time `json:"created_at"`
}

type AddAccountBalanceParams

type AddAccountBalanceParams struct {
	Amount int64 `json:"amount"`
	ID     int64 `json:"id"`
}

type CreateAccountParams

type CreateAccountParams struct {
	Owner    string `json:"owner"`
	Balance  int64  `json:"balance"`
	Currency string `json:"currency"`
}

type CreateEntryParams

type CreateEntryParams struct {
	AccountID int64 `json:"account_id"`
	Amount    int64 `json:"amount"`
}

type CreateTransferParams

type CreateTransferParams struct {
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	Amount        int64 `json:"amount"`
}

type DBTX

type DBTX interface {
	ExecContext(context.Context, string, ...interface{}) (sql.Result, error)
	PrepareContext(context.Context, string) (*sql.Stmt, error)
	QueryContext(context.Context, string, ...interface{}) (*sql.Rows, error)
	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
}

type Entry

type Entry struct {
	ID        int64 `json:"id"`
	AccountID int64 `json:"account_id"`
	// can be negative or positive
	Amount    int64     `json:"amount"`
	CreatedAt time.Time `json:"created_at"`
}

type ListAccountsParams

type ListAccountsParams struct {
	Limit  int32 `json:"limit"`
	Offset int32 `json:"offset"`
}

type ListEntriesParams

type ListEntriesParams struct {
	AccountID int64 `json:"account_id"`
	Limit     int32 `json:"limit"`
	Offset    int32 `json:"offset"`
}

type ListTransfersParams

type ListTransfersParams struct {
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	Limit         int32 `json:"limit"`
	Offset        int32 `json:"offset"`
}

type Queries

type Queries struct {
	// contains filtered or unexported fields
}

func New

func New(db DBTX) *Queries

func Prepare

func Prepare(ctx context.Context, db DBTX) (*Queries, error)

func (*Queries) AddAccountBalance

func (q *Queries) AddAccountBalance(ctx context.Context, arg AddAccountBalanceParams) (Account, error)

func (*Queries) Close

func (q *Queries) Close() error

func (*Queries) CreateAccount

func (q *Queries) CreateAccount(ctx context.Context, arg CreateAccountParams) (Account, error)

func (*Queries) CreateEntry

func (q *Queries) CreateEntry(ctx context.Context, arg CreateEntryParams) (Entry, error)

func (*Queries) CreateTransfer

func (q *Queries) CreateTransfer(ctx context.Context, arg CreateTransferParams) (Transfer, error)

func (*Queries) DeleteAccount

func (q *Queries) DeleteAccount(ctx context.Context, id int64) error

func (*Queries) GetAccount

func (q *Queries) GetAccount(ctx context.Context, id int64) (Account, error)

func (*Queries) GetAccountForUpdate

func (q *Queries) GetAccountForUpdate(ctx context.Context, id int64) (Account, error)

func (*Queries) GetEntry

func (q *Queries) GetEntry(ctx context.Context, id int64) (Entry, error)

func (*Queries) GetTransfer

func (q *Queries) GetTransfer(ctx context.Context, id int64) (Transfer, error)

func (*Queries) ListAccounts

func (q *Queries) ListAccounts(ctx context.Context, arg ListAccountsParams) ([]Account, error)

func (*Queries) ListEntries

func (q *Queries) ListEntries(ctx context.Context, arg ListEntriesParams) ([]Entry, error)

func (*Queries) ListTransfers

func (q *Queries) ListTransfers(ctx context.Context, arg ListTransfersParams) ([]Transfer, error)

func (*Queries) UpdateAccount

func (q *Queries) UpdateAccount(ctx context.Context, arg UpdateAccountParams) (Account, error)

func (*Queries) WithTx

func (q *Queries) WithTx(tx *sql.Tx) *Queries

type Store

type Store struct {
	*Queries
	// contains filtered or unexported fields
}

func NewStore

func NewStore(db *sql.DB) *Store

func (*Store) TransferTx

func (store *Store) TransferTx(ctx context.Context, args TransferTxParams) (TransferTxResult, error)

TransferTx performs transfer money from one account to another account It creates transfer record, account entries, update accounts' balance withing a single database transaction

type Transfer

type Transfer struct {
	ID            int64 `json:"id"`
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	// must be positive
	Amount    int64     `json:"amount"`
	CreatedAt time.Time `json:"created_at"`
}

type TransferTxParams

type TransferTxParams struct {
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	Amount        int64 `json:"amount"`
}

type TransferTxResult

type TransferTxResult struct {
	Transfer    Transfer `json:"transfer"`
	FromAccount Account  `json:"from_account"`
	ToAccount   Account  `json:"to_account"`
	FromEntry   Entry    `json:"from_entry"`
	ToEntry     Entry    `json:"to_entry"`
}

type UpdateAccountParams

type UpdateAccountParams struct {
	ID      int64 `json:"id"`
	Balance int64 `json:"balance"`
}

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