db

package
v0.0.0-...-927db8b Latest Latest
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 Go to latest Published: Mar 9, 2024 License: MIT Imports: 4 Imported by: 0

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Constants

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Variables

This section is empty.

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 CreateUserParams 

type CreateUserParams struct {
	Username       string `json:"username"`
	HashedPassword string `json:"hashed_password"`
	FullName       string `json:"full_name"`
	Email          string `json:"email"`
}

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 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)
	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)
	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 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) 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) 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
}

SQLStore provides all functions to execute SQL queries and transactions

func (*SQLStore) TransferTransaction 

func (store *SQLStore) TransferTransaction(ctx context.Context, argument TransferTransactionParams) (TransferTransactionResult, error)

TransferTransaction performs a money transfer from one account to the other It creates a transfer record, add account entries, and updates accounts' balance within a single database transaction

type Store 

type Store interface {
	Querier
	TransferTransaction(ctx context.Context, argument TransferTransactionParams) (TransferTransactionResult, 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 `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 TransferTransactionParams 

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

TransferTransactionParams contains the input parameters of the transfer transaction

type TransferTransactionResult 

type TransferTransactionResult 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"`
}

TransferTransactionResult is the result of the transfer transaction

type UpdateAccountParams 

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

type User 

type User struct {
	Username          string    `json:"username"`
	HashedPassword    string    `json:"hashed_password"`
	FullName          string    `json:"full_name"`
	Email             string    `json:"email"`
	PasswordChangedAr time.Time `json:"password_changed_ar"`
	CreatedAt         time.Time `json:"created_at"`
}

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