Add UserService to handle JIRA User endpoints

user.go

@@ -0,0 +1,74 @@
+package jira
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+)
+
+// UserService handles users for the JIRA instance / API.
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/cloud/#api/2/user
+type UserService struct {
+	client *Client
+}
+
+// User represents a JIRA user.
+type User struct {
+	Self            string     `json:"self,omitempty" structs:"self,omitempty"`
+	Name            string     `json:"name,omitempty" structs:"name,omitempty"`
+	Password        string     `json:"-"`
+	Key             string     `json:"key,omitempty" structs:"key,omitempty"`
+	EmailAddress    string     `json:"emailAddress,omitempty" structs:"emailAddress,omitempty"`
+	AvatarUrls      AvatarUrls `json:"avatarUrls,omitempty" structs:"avatarUrls,omitempty"`
+	DisplayName     string     `json:"displayName,omitempty" structs:"displayName,omitempty"`
+	Active          bool       `json:"active,omitempty" structs:"active,omitempty"`
+	TimeZone        string     `json:"timeZone,omitempty" structs:"timeZone,omitempty"`
+	ApplicationKeys []string   `json:"applicationKeys,omitempty" structs:"applicationKeys,omitempty"`
+}
+
+// Get gets user info from JIRA
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/cloud/#api/2/user-getUser
+func (s *UserService) Get(username string) (*User, *Response, error) {
+	apiEndpoint := fmt.Sprintf("/rest/api/2/user/%s", username)
+	req, err := s.client.NewRequest("GET", apiEndpoint, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	user := new(User)
+	resp, err := s.client.Do(req, user)
+	if err != nil {
+		return nil, resp, err
+	}
+	return user, resp, nil
+}
+
+// Create creates an user in JIRA.
+//
+// JIRA API docs: https://docs.atlassian.com/jira/REST/cloud/#api/2/user-createUser
+func (s *UserService) Create(user *User) (*User, *Response, error) {
+	apiEndpoint := "/rest/api/2/user"
+	req, err := s.client.NewRequest("POST", apiEndpoint, user)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	resp, err := s.client.Do(req, nil)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	responseUser := new(User)
+	defer resp.Body.Close()
+	data, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, resp, fmt.Errorf("Could not read the returned data")
+	}
+	err = json.Unmarshal(data, responseUser)
+	if err != nil {
+		return nil, resp, fmt.Errorf("Could not unmarshall the data into struct")
+	}
+	return responseUser, resp, nil
+}