[DO-632] add method for create pr comment (#27)

Reviewed-on: https://git.avroid.tech/DevOps/jenkins-shared-lib/pulls/27
Reviewed-by: Yaroslav Bondarenko <yaroslav.bondarenko@avroid.tech>
Reviewed-by: Denis Patrakeev <denis.patrakeev@avroid.tech>
Co-authored-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>
Co-committed-by: aleksandr.vodyanov <aleksandr.vodyanov@avroid.tech>

src/tech/avroid/api/Gitea.groovy

@@ -77,4 +77,35 @@ class Gitea implements Serializable {
 
         return result[res.status.toString()]
     }
+
+    /**
+     * create comment in PR
+     * @param prIndex    String - number of PR
+     * @param message    String  - comment message in PR
+     * @return           Boolean - True success create
+     */
+    public Boolean createPrComment(String prIndex, String message = '') {
+        Map body = [
+            body: message,
+        ]
+
+        Object bodyRequest = JsonOutput.toJson(body)
+
+        Object res = script.httpRequest(
+                            url: "${projectURL}/issues/${prIndex}/comments",
+                            ignoreSslErrors: true,
+                            httpMode: 'POST',
+                            validResponseCodes: '201',
+                            authentication: creds,
+                            contentType: 'APPLICATION_JSON',
+                            requestBody: bodyRequest
+        )
+
+        if (res.status == 201) {
+            return true
+        } else {
+            return false
+        }
+    }
+    
 }