117 lines
2.2 KiB
Go
117 lines
2.2 KiB
Go
package client
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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/ioutil"
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"net/http"
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"net/url"
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"strconv"
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"git.andreafazzi.eu/andrea/oef/orm"
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"git.andreafazzi.eu/andrea/oef/renderer"
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)
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// A client represents a client connection to the Headmaster test
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// server.
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type Client struct {
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Url *url.URL
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Username string
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Password string
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User string
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token string
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}
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// Dial connects to a test server instance at the specified address
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// using the given credentials.
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func Dial(host, username, password string) (*Client, error) {
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url, err := url.Parse(host)
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if err != nil {
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return nil, err
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}
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client := &Client{
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Url: url,
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Username: username,
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Password: password,
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}
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response, err := client.SendRequest("GET", "get_token", nil)
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if err != nil {
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panic(err)
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}
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var data struct {
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Token string
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User string
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}
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if err := json.Unmarshal(response, &data); err != nil {
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panic(err)
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}
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client.token = data.Token
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client.User = data.User
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return client, nil
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}
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func (c *Client) SendRequest(method string, path string, data []byte) ([]byte, error) {
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// Create the https request
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folderUrl, err := url.Parse(path)
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if err != nil {
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return nil, err
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}
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client := &http.Client{}
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req, err := http.NewRequest(method, c.Url.ResolveReference(folderUrl).String(), bytes.NewReader(data))
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if err != nil {
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return nil, err
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}
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req.Header.Set("Content-Type", "application/json")
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req.SetBasicAuth(c.Username, c.Password)
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if c.token != "" {
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req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", c.token))
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}
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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return body, nil
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}
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func (c *Client) GetTeachers() ([]*orm.Teacher, error) {
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var (
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response renderer.JsonResponse
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teachers []*orm.Teacher
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)
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data, err := c.SendRequest("GET", "/api/teachers?format=json", nil)
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if err != nil {
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return nil, err
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}
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if err := json.Unmarshal(data, &response); err != nil {
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return nil, err
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}
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if string(response.Error) != "" {
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return nil, errors.New(string(response.Error))
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}
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if err := json.Unmarshal(response.Result, &teachers); err != nil {
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return nil, err
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}
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return teachers, nil
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}
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