db

package
v0.0.0-...-b19252d Latest Latest
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 Go to latest Published: Dec 7, 2023 License: MIT Imports: 5 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Account 

type Account struct {
	ID        int64
	Owner     string
	Balance   int64
	Currency  string
	CreatedAt time.Time
}

type AddAccountBalanceParams 

type AddAccountBalanceParams struct {
	Amount int64
	ID     int64
}

type CreateAccountParams 

type CreateAccountParams struct {
	Owner    string
	Balance  int64
	Currency string
}

type CreateEntryParams 

type CreateEntryParams struct {
	AccountID int64
	Amount    int64
}

type CreateSessionParams 

type CreateSessionParams struct {
	ID           uuid.UUID
	Username     string
	RefreshToken string
	UserAgent    string
	ClientIp     string
	IsBlocked    bool
	ExpiresAt    time.Time
}

type CreateTransferParams 

type CreateTransferParams struct {
	FromAccountID int64
	ToAccountID   int64
	Amount        int64
}

type CreateUserParams 

type CreateUserParams struct {
	Username       string
	HashedPassword string
	FullName       string
	Email          string
}

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
	AccountID int64
	// can be negative or positive
	Amount    int64
	CreatedAt time.Time
}

type ListAccountsParams 

type ListAccountsParams struct {
	Owner  string
	Limit  int32
	Offset int32
}

type ListEntriesParams 

type ListEntriesParams struct {
	AccountID int64
	Limit     int32
	Offset    int32
}

type ListTransfersParams 

type ListTransfersParams struct {
	FromAccountID int64
	ToAccountID   int64
	Limit         int32
	Offset        int32
}

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)
	CreateSession(ctx context.Context, arg CreateSessionParams) (Session, error)
	CreateTransfer(ctx context.Context, arg CreateTransferParams) (Transfer, error)
	CreateUser(ctx context.Context, arg CreateUserParams) (User, error)
	DeleteAccount(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)
	GetSession(ctx context.Context, id uuid.UUID) (Session, error)
	GetTransfer(ctx context.Context, id int64) (Transfer, error)
	GetUser(ctx context.Context, username string) (User, error)
	ListAccounts(ctx context.Context, arg ListAccountsParams) ([]Account, error)
	ListEntries(ctx context.Context, arg ListEntriesParams) ([]Entry, error)
	ListTransfers(ctx context.Context, arg ListTransfersParams) ([]Transfer, error)
	UpdateAccount(ctx context.Context, arg UpdateAccountParams) (Account, error)
}

type Queries 

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

func New 

func New(db DBTX) *Queries

func (*Queries) AddAccountBalance 

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

func (q *Queries) CreateSession(ctx context.Context, arg CreateSessionParams) (Session, error)

func (*Queries) CreateTransfer 

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

func (*Queries) CreateUser 

func (q *Queries) CreateUser(ctx context.Context, arg CreateUserParams) (User, 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) GetSession 

func (q *Queries) GetSession(ctx context.Context, id uuid.UUID) (Session, error)

func (*Queries) GetTransfer 

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

func (*Queries) GetUser 

func (q *Queries) GetUser(ctx context.Context, username string) (User, 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 SQLStore 

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

Store provides all functions to execute db queries and transactions

func (*SQLStore) TransferTx 

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

TransferTx perfoms a money transfer from one account to the other It creates a transfer record, add accunt entries, and update accounts' balance within single transaction

type Session 

type Session struct {
	ID           uuid.UUID
	Username     string
	RefreshToken string
	UserAgent    string
	ClientIp     string
	IsBlocked    bool
	ExpiresAt    time.Time
	CreatedAt    time.Time
}

type Store 

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

Store provides all functions to execute db queries and transactions

func NewStore 

func NewStore(db *sql.DB) Store

NewStore creates a new Store

type Transfer 

type Transfer struct {
	ID            int64
	FromAccountID int64
	ToAccountID   int64
	// must be positive
	Amount    int64
	CreatedAt time.Time
}

type TransferTxParams 

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

TransferTxParams contains input parameters of the transfer transaction

type TransferTxResult 

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

TransferTxResult is the result of the transfer transaction

type UpdateAccountParams 

type UpdateAccountParams struct {
	Balance int64
	ID      int64
}

type User 

type User struct {
	Username          string
	HashedPassword    string
	FullName          string
	Email             string
	PasswordChangedAt time.Time
	CreatedAt         time.Time
}

Source Files

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