feat: rebasing

feat: backport open prs

src/service/configs/configs-parser.ts

@@ -0,0 +1,37 @@
+import { Args } from "@bp/service/args/args.types";
+import { Configs } from "@bp/service/configs/configs.types";
+import LoggerService from "../logger/logger-service";
+import LoggerServiceFactory from "../logger/logger-service-factory";
+
+/**
+ * Abstract configuration parser class in charge to parse 
+ * Args and produces a common Configs object
+ */
+ export default abstract class ConfigsParser {
+  
+  private readonly logger: LoggerService;
+
+  constructor() {
+    this.logger = LoggerServiceFactory.getLogger();
+  }
+
+  abstract parse(args: Args): Promise<Configs>;
+
+  async parseAndValidate(args: Args): Promise<Configs> {
+    const configs: Configs = await this.parse(args);
+
+    // apply validation, throw errors if something is wrong
+    
+    // if pr is opened check if the there exists one single commit
+    if (configs.originalPullRequest.state == "open") {
+      this.logger.warn("Trying to backport an open pull request!");
+    }
+
+    // if PR is closed and not merged log a warning
+    if (configs.originalPullRequest.state == "closed" && !configs.originalPullRequest.merged) {
+      throw new Error("Provided pull request is closed and not merged!");
+    }
+
+    return Promise.resolve(configs);
+  }
+}