db

package
v0.0.0-...-7fb39df Latest Latest
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 Go to latest Published: Nov 20, 2023 License: MIT Imports: 4 Imported by: 0

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Constants

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Variables

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Functions

This section is empty.

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 postive
	Amount    int64     `json:"amount"`
	CreatedAt time.Time `json:"created_at"`
}

type ListAccountsParams 

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

type ListEntrysParams 

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

type ListTransfersParams 

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

type Querier 

type Querier interface {
	AddAccountBalance(ctx context.Context, arg AddAccountBalanceParams) (Account, error)
	CreateAccount(ctx context.Context, arg CreateAccountParams) (Account, error)
	CreateEntry(ctx context.Context, arg CreateEntryParams) (Entry, error)
	CreateTransfer(ctx context.Context, arg CreateTransferParams) (Transfer, error)
	DeleteAccount(ctx context.Context, id int64) error
	DeleteEntry(ctx context.Context, id int64) error
	DeleteTransfer(ctx context.Context, id int64) error
	GetAccount(ctx context.Context, id int64) (Account, error)
	GetAccountForUpdate(ctx context.Context, id int64) (Account, error)
	GetEntry(ctx context.Context, id int64) (Entry, error)
	GetTransfer(ctx context.Context, id int64) (Transfer, error)
	ListAccounts(ctx context.Context, arg ListAccountsParams) ([]Account, error)
	ListEntrys(ctx context.Context, arg ListEntrysParams) ([]Entry, error)
	ListTransfers(ctx context.Context, arg ListTransfersParams) ([]Transfer, error)
	UpdateAccount(ctx context.Context, arg UpdateAccountParams) (Account, error)
	UpdateEntry(ctx context.Context, arg UpdateEntryParams) (Entry, error)
	UpdateTransfer(ctx context.Context, arg UpdateTransferParams) (Transfer, error)
}

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) DeleteEntry 

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

func (*Queries) DeleteTransfer 

func (q *Queries) DeleteTransfer(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) ListEntrys 

func (q *Queries) ListEntrys(ctx context.Context, arg ListEntrysParams) ([]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) UpdateEntry 

func (q *Queries) UpdateEntry(ctx context.Context, arg UpdateEntryParams) (Entry, error)

func (*Queries) UpdateTransfer 

func (q *Queries) UpdateTransfer(ctx context.Context, arg UpdateTransferParams) (Transfer, error)

func (*Queries) WithTx 

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

type SQLStore 

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

Store provides all fucntions to execute db queries and transactions

func (*SQLStore) TransferTx 

func (store *SQLStore) TransferTx(ctx context.Context, arg TransferTxParams) (TransferTxResults, error)

TransferTx preforms a money transfer from one account to another It creates a transfer record, adds account entries, and updates accounts' balance within a single database transaction

type Store 

type Store interface {
	Querier
	TransferTx(ctx context.Context, arg TransferTxParams) (TransferTxResults, error)
}

func NewStore 

func NewStore(db *sql.DB) Store

NewStore creates a new Store

type Transfer 

type Transfer struct {
	ID            int64 `json:"id"`
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	// must be postive
	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"`
}

TransferTxParams contains the input parameters of the transfer transaction

type TransferTxResults 

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

TransferTxResults is the result of the transfer transaction

type UpdateAccountParams 

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

type UpdateEntryParams 

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

type UpdateTransferParams 

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

Source Files

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