Add `GetIssue()` and `GetProject()` methods to `JiraClient`

client.go

@@ -1,6 +1,9 @@
 package jiraclient
 
 import (
+	"encoding/json"
+	"fmt"
+	"io"
 	"net/http"
 )
 
@@ -22,3 +25,50 @@ type JiraClient struct {
 	Domain   string
 	Client   *http.Client
 }
+
+func (c JiraClient) get(url string) ([]byte, error) {
+	req, err := http.NewRequest("GET", url, nil)
+	if err != nil {
+		return []byte{}, err
+	}
+	req.SetBasicAuth(c.Username, c.Token)
+
+	resp, err := c.Client.Do(req)
+	if err != nil {
+		return []byte{}, err
+	}
+	defer resp.Body.Close()
+
+	body, err := io.ReadAll(resp.Body)
+	return body, err
+}
+
+func (c JiraClient) GetIssue(keyOrId string) (Issue, error) {
+	var issue Issue
+
+	url := fmt.Sprintf("https://%s.atlassian.net/rest/api/2/issue/%s", c.Domain, keyOrId)
+
+	body, err := c.get(url)
+	if err != nil {
+		return issue, err
+	}
+
+	err = json.Unmarshal(body, &issue)
+
+	return issue, err
+}
+
+func (c JiraClient) GetProject(keyOrId string) (Project, error) {
+	var project Project
+
+	url := fmt.Sprintf("https://%s.atlassian.net/rest/api/2/project/%s", c.Domain, keyOrId)
+
+	body, err := c.get(url)
+	if err != nil {
+		return project, err
+	}
+
+	err = json.Unmarshal(body, &project)
+
+	return project, err
+}