db

Documentation

Overview

Package db provides database operations and data structures

Index

• type Client
  • func NewClient() (*Client, error)
  • func (client *Client) CountStickers(userID int64) (int64, error)
  • func (client *Client) DeleteSticker(sticker Sticker) error
  • func (client *Client) GetStickers(userID int64) (Stickers, error)
  • func (client *Client) PutSticker(sticker Sticker) error
  • func (client *Client) StickerBelongsToUser(userID int64, sticker Sticker) (bool, error)
  • func (client *Client) UseSticker(sticker Sticker) error
• type Sticker
• type Stickers
  • func (s Stickers) Len() int
  • func (s Stickers) Less(i, j int) bool
  • func (s Stickers) Swap(i, j int)

Types

type Client

type Client struct {
	DB *dynamodb.DynamoDB
}

Client provides DynamoDB client data

func NewClient

func NewClient() (*Client, error)

NewClient insantiates new DynamoDB client

func (*Client) CountStickers

func (client *Client) CountStickers(userID int64) (int64, error)

CountStickers counts user's stickers

func (*Client) DeleteSticker

func (client *Client) DeleteSticker(sticker Sticker) error

DeleteSticker removes a sticker

func (*Client) GetStickers

func (client *Client) GetStickers(userID int64) (Stickers, error)

GetStickers gets a list of stickers by user id

func (*Client) PutSticker

func (client *Client) PutSticker(sticker Sticker) error

PutSticker inserts a sticker into table

func (*Client) StickerBelongsToUser

func (client *Client) StickerBelongsToUser(
	userID int64,
	sticker Sticker,
) (bool, error)

StickerBelongsToUser checks if user has a sticker

func (*Client) UseSticker

func (client *Client) UseSticker(sticker Sticker) error

UseSticker increments UseCount of a sticker

type Sticker

type Sticker struct {
	UserID       int64
	FileUniqueID string
	FileID       string
	Timestamp    string
	UseCount     uint
}

Sticker provides info about sticker

type Stickers

type Stickers []Sticker

Stickers provides a slice of stickers

func (Stickers) Len

func (s Stickers) Len() int

Len returns a number of stickers

func (Stickers) Less

func (s Stickers) Less(i, j int) bool

Less checks if a first sticker should be shown before a second one

func (Stickers) Swap

func (s Stickers) Swap(i, j int)

Swap swaps two stickers