/
board.go
83 lines (72 loc) · 1.58 KB
/
board.go
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package getmoe
import (
"errors"
"io/ioutil"
"net/http"
"time"
)
// Board related errors
var (
ErrURLNotSpecified = errors.New("board: URL not specified")
ErrProviderNotSpecified = errors.New("board: provider not specified")
ErrProviderNotFound = "board: provider %s not found"
)
// Board holds data for API access
type Board struct {
Provider Provider
httpClient *http.Client
}
// NewBoard creates a new board with provided configuration
func NewBoard(provider Provider) *Board {
// func New(config getmoe.BoardConfiguration) (*Board, error) {
// if config.Provider.Name == "" {
// return nil, ErrProviderNotSpecified
// }
// p, ok := provider.Providers[config.Provider.Name]
// if !ok {
// return nil, fmt.Errorf(ErrProviderNotFound, config.Provider.Name)
// }
return &Board{
Provider: provider,
httpClient: &http.Client{
Timeout: 30 * time.Second,
},
}
}
// Request gets images by tags
func (b *Board) Request() ([]Post, error) {
req, err := b.Provider.PageRequest()
if err != nil {
return nil, err
}
resp, err := b.httpClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
page, err := b.Provider.Parse(body)
if err != nil {
return nil, err
}
return page, nil
}
// RequestAll checks all pages
func (b *Board) RequestAll() ([]Post, error) {
var pages []Post
for {
b.Provider.NextPage()
page, err := b.Request()
if err != nil {
return pages, err
}
if len(page) == 0 {
break
}
pages = append(pages, page...)
}
return pages, nil
}