db

package
v0.0.0-...-7a181e2 Latest Latest
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Published: Feb 4, 2024 License: MIT Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source
const (
	ForeignKeyViolation = "23503"
	UniqueViolation     = "23505"
)

Variables

View Source
var ErrRecordNotFound = pgx.ErrNoRows
View Source
var ErrUniqueViolation = &pgconn.PgError{
	Code: UniqueViolation,
}

Functions

func ErrorCode

func ErrorCode(err error) string

Types

type Account

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

Stores Bank Account Data

type AddAccountBalanceParams

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

type CreateAccountParams

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

type CreateEntryParams

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

type CreateSessionParams

type CreateSessionParams struct {
	ID           uuid.UUID `json:"id"`
	Username     string    `json:"username"`
	RefreshToken string    `json:"refresh_token"`
	UserAgent    string    `json:"user_agent"`
	ClientIp     string    `json:"client_ip"`
	IsBlocked    bool      `json:"is_blocked"`
	ExpiresAt    time.Time `json:"expires_at"`
}

type CreateTransferParams

type CreateTransferParams struct {
	FromAccountID int64           `json:"from_account_id"`
	ToAccountID   int64           `json:"to_account_id"`
	Amount        decimal.Decimal `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 CreateUserTxParams

type CreateUserTxParams struct {
	CreateUserParams
	AfterCreate func(user User) error
}

CreateUserTxParams contains the input parameters of the create user tx

type CreateUserTxResult

type CreateUserTxResult struct {
	User User
}

CreateUserTxResult is the result of create user tx

type CreateVerifyEmailParams

type CreateVerifyEmailParams struct {
	Username   string `json:"username"`
	Email      string `json:"email"`
	SecretCode string `json:"secret_code"`
}

type DBTX

type DBTX interface {
	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
	QueryRow(context.Context, string, ...interface{}) pgx.Row
}

type Entry

type Entry struct {
	ID        int64 `json:"id"`
	AccountID int64 `json:"account_id"`
	// credit is +ve and debit is -ve
	Amount    decimal.Decimal `json:"amount"`
	CreatedAt time.Time       `json:"created_at"`
}

type ListAccountsParams

type ListAccountsParams struct {
	Owner  string `json:"owner"`
	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)
	CreateSession(ctx context.Context, arg CreateSessionParams) (Session, error)
	CreateTransfer(ctx context.Context, arg CreateTransferParams) (Transfer, error)
	CreateUser(ctx context.Context, arg CreateUserParams) (User, error)
	CreateVerifyEmail(ctx context.Context, arg CreateVerifyEmailParams) (VerifyEmail, 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)
	GetEntryForUpdate(ctx context.Context, id int64) (Entry, error)
	GetSession(ctx context.Context, id uuid.UUID) (Session, error)
	GetTransfer(ctx context.Context, id int64) (Transfer, error)
	GetTransferForUpdate(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)
	UpdateUser(ctx context.Context, arg UpdateUserParams) (User, error)
	UpdateVerifyEmail(ctx context.Context, arg UpdateVerifyEmailParams) (VerifyEmail, 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) CreateVerifyEmail

func (q *Queries) CreateVerifyEmail(ctx context.Context, arg CreateVerifyEmailParams) (VerifyEmail, 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) GetEntryForUpdate

func (q *Queries) GetEntryForUpdate(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) GetTransferForUpdate

func (q *Queries) GetTransferForUpdate(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) UpdateUser

func (q *Queries) UpdateUser(ctx context.Context, arg UpdateUserParams) (User, error)

func (*Queries) UpdateVerifyEmail

func (q *Queries) UpdateVerifyEmail(ctx context.Context, arg UpdateVerifyEmailParams) (VerifyEmail, error)

func (*Queries) WithTx

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

type SQLStore

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

Store provides db query and transaction capabilities

func NewStore

func NewStore(connPool *pgxpool.Pool) *SQLStore

func (*SQLStore) CreateUserTx

func (store *SQLStore) CreateUserTx(
	ctx context.Context,
	arg CreateUserTxParams,
) (CreateUserTxResult, error)

CreateUserTx creates a new user and executes the given function in a transaction.

func (*SQLStore) TransferTx

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

TransferTx performs a money transfer from one account to another It creates a transfer record, adds account entries and updates the accounts' balances within a single db tx

func (*SQLStore) VerifyEmailTx

func (store *SQLStore) VerifyEmailTx(
	ctx context.Context,
	arg VerifyEmailTxParams,
) (VerifyEmailTxResult, error)

VerifyEmailTx verify email for user

type Session

type Session struct {
	ID           uuid.UUID `json:"id"`
	Username     string    `json:"username"`
	RefreshToken string    `json:"refresh_token"`
	UserAgent    string    `json:"user_agent"`
	ClientIp     string    `json:"client_ip"`
	IsBlocked    bool      `json:"is_blocked"`
	ExpiresAt    time.Time `json:"expires_at"`
	CreatedAt    time.Time `json:"created_at"`
}

type Store

type Store interface {
	Querier
	TransferTx(ctx context.Context, arg TransferTxParams) (TransferTxResult, error)
	CreateUserTx(ctx context.Context, arg CreateUserTxParams) (CreateUserTxResult, error)
	VerifyEmailTx(ctx context.Context, arg VerifyEmailTxParams) (VerifyEmailTxResult, error)
}

type Transfer

type Transfer struct {
	ID            int64 `json:"id"`
	FromAccountID int64 `json:"from_account_id"`
	ToAccountID   int64 `json:"to_account_id"`
	// amount must be +ve value
	Amount    decimal.Decimal `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        decimal.Decimal `json:"amount"`
}

TransferTxParams contains the input parameters of the transfer transaction

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"`
}

TransferTxResult is the result of transfer tx

type UpdateAccountParams

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

type UpdateUserParams

type UpdateUserParams struct {
	HashedPassword    pgtype.Text        `json:"hashed_password"`
	PasswordChangedAt pgtype.Timestamptz `json:"password_changed_at"`
	FullName          pgtype.Text        `json:"full_name"`
	Email             pgtype.Text        `json:"email"`
	IsEmailVerified   pgtype.Bool        `json:"is_email_verified"`
	Username          string             `json:"username"`
}

type UpdateVerifyEmailParams

type UpdateVerifyEmailParams struct {
	ID         int64  `json:"id"`
	SecretCode string `json:"secret_code"`
}

type User

type User struct {
	Username          string    `json:"username"`
	HashedPassword    string    `json:"hashed_password"`
	FullName          string    `json:"full_name"`
	Email             string    `json:"email"`
	PasswordChangedAt time.Time `json:"password_changed_at"`
	CreatedAt         time.Time `json:"created_at"`
	IsEmailVerified   bool      `json:"is_email_verified"`
	Role              string    `json:"role"`
}

type VerifyEmail

type VerifyEmail struct {
	ID         int64     `json:"id"`
	Username   string    `json:"username"`
	Email      string    `json:"email"`
	SecretCode string    `json:"secret_code"`
	IsUsed     bool      `json:"is_used"`
	CreatedAt  time.Time `json:"created_at"`
	ExpiredAt  time.Time `json:"expired_at"`
}

type VerifyEmailTxParams

type VerifyEmailTxParams struct {
	EmailId    int64
	SecretCode string
}

VerifyEmailTxParams contains the input parameters of the verify email tx

type VerifyEmailTxResult

type VerifyEmailTxResult struct {
	User        User
	VerifyEmail VerifyEmail
}

VerifyEmailTxResult is the result of verify email tx

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