Show performed API request counter for each command in verbose mode

Author: aik099

src/JiraCLI/Command/AbstractCommand.php

@@ -101,4 +101,23 @@ public function completeArgumentValues($argumentName, CompletionContext $context
 		return $ret;
 	}
 
+	/**
+	 * Shows statistics.
+	 *
+	 * @return void
+	 */
+	protected function showStatistics()
+	{
+		if ( !$this->io->isVerbose() ) {
+			return;
+		}
+
+		$request_count = $this->jiraApi->getRequestCount();
+
+		if ( $request_count ) {
+			$this->io->writeln('===============');
+			$this->io->writeln('API Requests Made: ' . $request_count);
+		}
+	}
+
 }

src/JiraCLI/Command/BackportCommand.php

@@ -104,6 +104,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
 		else {
 			$this->showBackportableIssues($issues);
 		}
+
+		$this->showStatistics();
 	}
 
 	/**

src/JiraCLI/Command/ChangeLogCloneCommand.php

@@ -180,6 +180,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
 				$linked_issue_key
 			));
 		}
+
+		$this->showStatistics();
 	}
 
 }

src/JiraCLI/Command/DownloadAttachmentCommand.php

@@ -76,6 +76,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
 			);
 			$this->io->writeln('done');
 		}
+
+		$this->showStatistics();
 	}
 
 	/**

src/JiraCLI/Command/VersionsCommand.php

@@ -62,6 +62,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
 		foreach ( $versions as $version ) {
 			$this->io->writeln(' * ' . $version);
 		}
+
+		$this->showStatistics();
 	}
 
 }

src/JiraCLI/JiraApi.php

@@ -28,6 +28,39 @@ class JiraApi extends Api
 	 */
 	protected $cache;
 
+	/**
+	 * Request counter.
+	 *
+	 * @var integer
+	 */
+	protected $requestCounter = 0;
+
+	/**
+	 * @inheritDoc
+	 */
+	public function api(
+		$method = self::REQUEST_GET,
+		$url,
+		$data = array(),
+		$return_as_array = false,
+		$is_file = false,
+		$debug = false
+	) {
+		$this->requestCounter++;
+
+		return parent::api($method, $url, $data, $return_as_array, $is_file, $debug);
+	}
+
+	/**
+	 * Returns request counter.
+	 *
+	 * @return integer
+	 */
+	public function getRequestCount()
+	{
+		return $this->requestCounter;
+	}
+
 	/**
 	 * Sets cache.
 	 *