add create function to create a project

Signed-off-by: NitishKumar06 <[email protected]>

obs/project.go

@@ -17,6 +17,7 @@ limitations under the License.
 package obs
 
 import (
+	"bytes"
 	"encoding/xml"
 	"fmt"
 	"net/http"
@@ -112,6 +113,54 @@ func (e *APIError) Error() string {
 	return fmt.Sprintf("HTTP status %d: %s (%s)", e.HTTPStatusCode, e.XMLStatusCode, e.Message)
 }
 
+func (c Client) CreateProject(project *Project) error {
+	xmlData, err := xml.MarshalIndent(project, "", " ")
+	if err != nil {
+		return err
+	}
+
+	urlPath := path.Join(c.APIURL, "source", project.Name, "_meta")
+	req, err := http.NewRequest("PUT", urlPath, bytes.NewBuffer(xmlData))
+	if err != nil {
+		return &APIError{
+			HTTPStatusCode: http.StatusInternalServerError,
+			XMLStatusCode:  "",
+			Message:        fmt.Sprintf("failed to generate a new request: %v", err),
+		}
+	}
+
+	req.SetBasicAuth(c.Username, c.Password)
+	req.Header.Set("Accept", "application/xml; charset=utf-8")
+
+	resp, err := c.Client.Do(req)
+	if err != nil {
+		return &APIError{
+			HTTPStatusCode: resp.StatusCode,
+			XMLStatusCode:  "",
+			Message:        fmt.Sprintf("failed to make a new request: %v", err),
+		}
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		var status Status
+		if err := xml.NewDecoder(resp.Body).Decode(&status); err != nil {
+			return &APIError{
+				HTTPStatusCode: resp.StatusCode,
+				XMLStatusCode:  "",
+				Message:        fmt.Sprintf("failed to decode the error response: %v", err),
+			}
+		}
+
+		return &APIError{
+			HTTPStatusCode: resp.StatusCode,
+			XMLStatusCode:  status.Code,
+			Message:        status.Summary,
+		}
+	}
+	return nil
+}
+
 func (c Client) DeleteProject(project *Project) error {
 	urlPath := path.Join(c.APIURL, "source", project.Name)
 	req, err := http.NewRequest("DELETE", urlPath, nil)
@@ -134,6 +183,7 @@ func (c Client) DeleteProject(project *Project) error {
 			Message:        fmt.Sprintf("failed to make a new request: %v", err),
 		}
 	}
+	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
 		var status Status
@@ -151,6 +201,5 @@ func (c Client) DeleteProject(project *Project) error {
 			Message:        status.Summary,
 		}
 	}
-
 	return nil
 }