74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
package footballdata
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"net/http"
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"net/url"
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)
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/*
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Provides a high-level client to talk to the API that football-data.org offers.
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To create an instance please use NewClient(h).
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*/
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type Client struct {
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h *http.Client
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// Insert an API token here if you have one. It will be sent across with all requests.
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AuthToken string
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}
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// Creates a new Client instance that wraps around the given HTTP client.
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func NewClient(h *http.Client) *Client {
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return &Client{h: h}
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}
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func (c *Client) req(path string, pathValues ...interface{}) request {
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return request{c, fmt.Sprintf(path, pathValues...), url.Values{}}
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}
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// Executes an HTTP request with given parameters and on success returns the response wrapped in a JSON decoder.
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func (c *Client) doJson(method string, path string, values url.Values) (j *json.Decoder, meta ResponseMeta, err error) {
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// Create request
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req := &http.Request{
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Method: method,
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URL: resolveRelativeUrl(path, values),
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Header: http.Header{},
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}
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// Set request headers
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if len(c.AuthToken) > 0 {
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req.Header.Set("X-Auth-Token", c.AuthToken)
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}
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req.Header.Set("X-Response-Control", "minified")
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req.Header.Set("User-Agent", "go-footballdata/0.0")
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// Execute request
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resp, err := c.h.Do(req)
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if err != nil {
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return
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}
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defer resp.Body.Close()
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// Save metadata from headers
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meta = responseMetaFromHeaders(resp.Header)
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// Expect the request to be successful, otherwise throw an error
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if resp.StatusCode != 200 {
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err = errors.New(resp.Status)
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return
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}
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// Download to buffer to allow passing back a fully prepared decoder
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buf := new(bytes.Buffer)
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io.Copy(buf, resp.Body)
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// Wrap JSON decoder around buffered data
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j = json.NewDecoder(buf)
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return
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}
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