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radium.go
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radium.go
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package sources
import (
"context"
"encoding/json"
"fmt"
"net/http"
"net/url"
"github.com/shivylp/radium"
)
// NewRadium initializes a radium.Source implementation
// using the given radium server url
func NewRadium(serverURL string) *Radium {
rad := &Radium{}
rad.server = serverURL
return rad
}
// Radium implements radium.Source interface using
// radium server as the source of reference
type Radium struct {
server string
}
// Search makes a GET /search to the radium server and formats the
// response
func (rad Radium) Search(ctx context.Context, query radium.Query) ([]radium.Article, error) {
urlObj, err := url.Parse(rad.server + "/search")
if err != nil {
return nil, err
}
urlQuery := urlObj.Query()
urlQuery.Set("q", query.Text)
for name, val := range query.Attribs {
urlQuery.Set(name, val)
}
urlObj.RawQuery = urlQuery.Encode()
req, _ := http.NewRequest(http.MethodGet, urlObj.String(), nil)
req.Header.Set("User-Agent", "curl/7.54.0")
req.WithContext(ctx)
client := http.Client{}
resp, err := client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf(resp.Status)
}
var rs []radium.Article
err = json.NewDecoder(resp.Body).Decode(&rs)
if err != nil {
return nil, err
}
return rs, nil
}