Add support for monitoring multiple repositories

src/main/java/io/spring/issuebot/GitHubProperties.java

@@ -16,8 +16,6 @@
 
 package io.spring.issuebot;
 
-import java.util.List;
-
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.boot.context.properties.NestedConfigurationProperty;
 
@@ -29,20 +27,9 @@ import org.springframework.boot.context.properties.NestedConfigurationProperty;
 @ConfigurationProperties(prefix = "issuebot.github")
 public class GitHubProperties {
 
-	@NestedConfigurationProperty
-	private Repository repository = new Repository();
-
 	@NestedConfigurationProperty
 	private Credentials credentials = new Credentials();
 
-	public Repository getRepository() {
-		return this.repository;
-	}
-
-	public void setRepository(Repository repository) {
-		this.repository = repository;
-	}
-
 	public Credentials getCredentials() {
 		return this.credentials;
 	}
@@ -51,52 +38,6 @@ public class GitHubProperties {
 		this.credentials = credentials;
 	}
 
-	/**
-	 * Configuration for a GitHub repository.
-	 */
-	public static class Repository {
-
-		/**
-		 * The name of the organization that owns the repository.
-		 */
-		private String organization;
-
-		/**
-		 * The name of the repository.
-		 */
-		private String name;
-
-		/**
-		 * The names of the repository's collaborators.
-		 */
-		private List<String> collaborators;
-
-		public String getOrganization() {
-			return this.organization;
-		}
-
-		public void setOrganization(String organization) {
-			this.organization = organization;
-		}
-
-		public String getName() {
-			return this.name;
-		}
-
-		public void setName(String name) {
-			this.name = name;
-		}
-
-		public List<String> getCollaborators() {
-			return this.collaborators;
-		}
-
-		public void setCollaborators(List<String> collaborators) {
-			this.collaborators = collaborators;
-		}
-
-	}
-
 	/**
 	 * Configuration for the credentials used to authenticate with GitHub.
 	 */

src/main/java/io/spring/issuebot/IssueBotApplication.java

@@ -35,7 +35,7 @@ import org.springframework.scheduling.annotation.EnableScheduling;
  */
 @SpringBootApplication
 @EnableScheduling
-@EnableConfigurationProperties(GitHubProperties.class)
+@EnableConfigurationProperties({ GitHubProperties.class, MonitoringProperties.class })
 public class IssueBotApplication {
 
 	public static void main(String[] args) {
@@ -50,11 +50,9 @@ public class IssueBotApplication {
 
 	@Bean
 	RepositoryMonitor repositoryMonitor(GitHubOperations gitHub,
-			GitHubProperties gitHubProperties, List<IssueListener> issueListeners) {
-		return new RepositoryMonitor(gitHub,
-				new MonitoredRepository(
-						gitHubProperties.getRepository().getOrganization(),
-						gitHubProperties.getRepository().getName()),
+			MonitoringProperties monitoringProperties,
+			List<MultiRepositoryIssueListener> issueListeners) {
+		return new RepositoryMonitor(gitHub, monitoringProperties.getRepositories(),
 				issueListeners);
 	}
 

src/main/java/io/spring/issuebot/IssueListener.java

@@ -19,7 +19,8 @@ package io.spring.issuebot;
 import io.spring.issuebot.github.Issue;
 
 /**
- * An {@code IssueListener} is notified of issues found during repository monitoring.
+ * An {@code IssueListener} is notified of issues found during monitoring of a specific
+ * repository.
  *
  * @author Andy Wilkinson
  */

src/main/java/io/spring/issuebot/MonitoredRepository.java

@@ -1,49 +0,0 @@
-/*
- * Copyright 2015-2018 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.spring.issuebot;
-
-/**
- * A repository that should be monitored.
- *
- * @author Andy Wilkinson
- */
-public class MonitoredRepository {
-
-	/**
-	 * The name of the organization that owns the repository.
-	 */
-	private final String organization;
-
-	/**
-	 * The name of the repository.
-	 */
-	private final String name;
-
-	public MonitoredRepository(String organization, String name) {
-		this.organization = organization;
-		this.name = name;
-	}
-
-	public String getOrganization() {
-		return this.organization;
-	}
-
-	public String getName() {
-		return this.name;
-	}
-
-}

src/main/java/io/spring/issuebot/MonitoringProperties.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright 2015-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.spring.issuebot;
+
+import java.util.List;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+/**
+ * Properties for configuring repository monitoring.
+ *
+ * @author Andy Wilkinson
+ */
+@ConfigurationProperties(prefix = "issuebot.monitoring")
+public class MonitoringProperties {
+
+	private List<Repository> repositories;
+
+	public List<Repository> getRepositories() {
+		return this.repositories;
+	}
+
+	public void setRepositories(List<Repository> repositories) {
+		this.repositories = repositories;
+	}
+
+	/**
+	 * A repository that is monitored.
+	 */
+	public static class Repository {
+
+		/**
+		 * The name of the organization that owns the repository.
+		 */
+		private String organization;
+
+		/**
+		 * The name of the repository.
+		 */
+		private String name;
+
+		/**
+		 * The names of the repository's collaborators.
+		 */
+		private List<String> collaborators;
+
+		public String getOrganization() {
+			return this.organization;
+		}
+
+		public void setOrganization(String organization) {
+			this.organization = organization;
+		}
+
+		public String getName() {
+			return this.name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		public List<String> getCollaborators() {
+			return this.collaborators;
+		}
+
+		public void setCollaborators(List<String> collaborators) {
+			this.collaborators = collaborators;
+		}
+
+	}
+
+}

src/main/java/io/spring/issuebot/MultiRepositoryIssueListener.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2015-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.spring.issuebot;
+
+import io.spring.issuebot.MonitoringProperties.Repository;
+import io.spring.issuebot.github.Issue;
+
+/**
+ * An {@code IssueListener} is notified of issues found during monitoring of all
+ * repositories.
+ *
+ * @author Andy Wilkinson
+ */
+public interface MultiRepositoryIssueListener {
+
+	/**
+	 * Notification that, in the given {@code repository}, the given {@code issue} is
+	 * open.
+	 * @param repository the repository to which the issue belongs
+	 * @param issue the open issue
+	 */
+	default void onOpenIssue(Repository repository, Issue issue) {
+
+	}
+
+	/**
+	 * Notification that, in the give {@code repository}, the given {@code issue} is being
+	 * closed.
+	 * @param repository the repository to which the issue belongs
+	 * @param issue the issue that is being closed
+	 */
+	default void onIssueClosure(Repository repository, Issue issue) {
+
+	}
+
+}

src/main/java/io/spring/issuebot/RepositoryMonitor.java

@@ -18,6 +18,7 @@ package io.spring.issuebot;
 
 import java.util.List;
 
+import io.spring.issuebot.MonitoringProperties.Repository;
 import io.spring.issuebot.github.GitHubOperations;
 import io.spring.issuebot.github.Issue;
 import io.spring.issuebot.github.Page;
@@ -37,29 +38,34 @@ class RepositoryMonitor {
 
 	private final GitHubOperations gitHub;
 
-	private final MonitoredRepository repository;
+	private final List<Repository> repositories;
 
-	private final List<IssueListener> issueListeners;
+	private final List<MultiRepositoryIssueListener> issueListeners;
 
-	RepositoryMonitor(GitHubOperations gitHub, MonitoredRepository repository,
-			List<IssueListener> issueListeners) {
+	RepositoryMonitor(GitHubOperations gitHub, List<Repository> repositories,
+			List<MultiRepositoryIssueListener> issueListeners) {
 		this.gitHub = gitHub;
-		this.repository = repository;
+		this.repositories = repositories;
 		this.issueListeners = issueListeners;
 	}
 
 	@Scheduled(fixedRate = 5 * 60 * 1000)
 	void monitor() {
-		log.info("Monitoring {}/{}", this.repository.getOrganization(),
-				this.repository.getName());
+		for (Repository repository : this.repositories) {
+			monitor(repository);
+		}
+	}
+
+	private void monitor(Repository repository) {
+		log.info("Monitoring {}/{}", repository.getOrganization(), repository.getName());
 		try {
-			Page<Issue> page = this.gitHub.getIssues(this.repository.getOrganization(),
-					this.repository.getName());
+			Page<Issue> page = this.gitHub.getIssues(repository.getOrganization(),
+					repository.getName());
 			while (page != null) {
 				for (Issue issue : page.getContent()) {
-					for (IssueListener issueListener : this.issueListeners) {
+					for (MultiRepositoryIssueListener issueListener : this.issueListeners) {
 						try {
-							issueListener.onOpenIssue(issue);
+							issueListener.onOpenIssue(repository, issue);
 						}
 						catch (Exception ex) {
 							log.warn("Listener '{}' failed when handling issue '{}'",
@@ -71,10 +77,11 @@ class RepositoryMonitor {
 			}
 		}
 		catch (Exception ex) {
-			log.warn("A failure occurred during issue monitoring", ex);
+			log.warn("A failure occurred during monitoring of {}/{}",
+					repository.getOrganization(), repository.getName(), ex);
 		}
-		log.info("Monitoring of {}/{} completed", this.repository.getOrganization(),
-				this.repository.getName());
+		log.info("Monitoring of {}/{} completed", repository.getOrganization(),
+				repository.getName());
 	}
 
 }

src/main/java/io/spring/issuebot/RoutingMultiRepositoryIssueListener.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2015-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.spring.issuebot;
+
+import java.util.Map;
+
+import io.spring.issuebot.MonitoringProperties.Repository;
+import io.spring.issuebot.github.Issue;
+
+/**
+ * A {@code MultiRepositoryIssueListener} that performs repository-based routing to
+ * specific {@link IssueListener IssueListeners}.
+ *
+ * @author Andy Wilkinson
+ */
+public class RoutingMultiRepositoryIssueListener implements MultiRepositoryIssueListener {
+
+	private final Map<Repository, IssueListener> delegates;
+
+	public RoutingMultiRepositoryIssueListener(Map<Repository, IssueListener> delegates) {
+		this.delegates = delegates;
+	}
+
+	@Override
+	public void onOpenIssue(Repository repository, Issue issue) {
+		IssueListener listener = this.delegates.get(repository);
+		if (listener != null) {
+			listener.onOpenIssue(issue);
+		}
+	}
+
+	@Override
+	public void onIssueClosure(Repository repository, Issue issue) {
+		IssueListener listener = this.delegates.get(repository);
+		if (listener != null) {
+			listener.onIssueClosure(issue);
+		}
+	}
+
+}

src/main/java/io/spring/issuebot/feedback/FeedbackConfiguration.java

@@ -16,10 +16,17 @@
 
 package io.spring.issuebot.feedback;
 
-import java.util.List;
+import java.util.Collections;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 import io.spring.issuebot.GitHubProperties;
 import io.spring.issuebot.IssueListener;
+import io.spring.issuebot.MonitoringProperties;
+import io.spring.issuebot.MonitoringProperties.Repository;
+import io.spring.issuebot.MultiRepositoryIssueListener;
+import io.spring.issuebot.RoutingMultiRepositoryIssueListener;
 import io.spring.issuebot.github.GitHubOperations;
 
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
@@ -37,18 +44,29 @@ import org.springframework.context.annotation.Configuration;
 class FeedbackConfiguration {
 
 	@Bean
-	FeedbackIssueListener feedbackIssueListener(GitHubOperations gitHub,
-			GitHubProperties githubProperties, FeedbackProperties feedbackProperties,
-			List<IssueListener> issueListener) {
+	MultiRepositoryIssueListener feedbackIssueListener(
+			MonitoringProperties monitoringProperties, GitHubOperations gitHub,
+			GitHubProperties githubProperties, FeedbackProperties feedbackProperties) {
+		Map<Repository, IssueListener> delegates = monitoringProperties.getRepositories()
+				.stream()
+				.collect(Collectors.toMap(Function.identity(),
+						(repository) -> createListener(repository, gitHub,
+								githubProperties, feedbackProperties)));
+		return new RoutingMultiRepositoryIssueListener(delegates);
+	}
+
+	private FeedbackIssueListener createListener(Repository repository,
+			GitHubOperations gitHub, GitHubProperties githubProperties,
+			FeedbackProperties feedbackProperties) {
 		return new FeedbackIssueListener(gitHub, feedbackProperties.getRequiredLabel(),
-				githubProperties.getRepository().getCollaborators(),
+				repository.getCollaborators(),
 				githubProperties.getCredentials().getUsername(),
 				new StandardFeedbackListener(gitHub,
 						feedbackProperties.getProvidedLabel(),
 						feedbackProperties.getRequiredLabel(),
 						feedbackProperties.getReminderLabel(),
 						feedbackProperties.getReminderComment(),
-						feedbackProperties.getCloseComment(), issueListener));
+						feedbackProperties.getCloseComment(), Collections.emptyList()));
 	}
 
 }

src/main/java/io/spring/issuebot/triage/TriageConfiguration.java

@@ -17,8 +17,16 @@
 package io.spring.issuebot.triage;
 
 import java.util.Arrays;
+import java.util.Map;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 import io.spring.issuebot.GitHubProperties;
+import io.spring.issuebot.IssueListener;
+import io.spring.issuebot.MonitoringProperties;
+import io.spring.issuebot.MonitoringProperties.Repository;
+import io.spring.issuebot.MultiRepositoryIssueListener;
+import io.spring.issuebot.RoutingMultiRepositoryIssueListener;
 import io.spring.issuebot.github.GitHubOperations;
 
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
@@ -35,12 +43,23 @@ import org.springframework.context.annotation.Configuration;
 class TriageConfiguration {
 
 	@Bean
-	TriageIssueListener triageIssueListener(GitHubOperations gitHubOperations,
-			TriageProperties triageProperties, GitHubProperties gitHubProperties) {
+	MultiRepositoryIssueListener triageIssueListener(GitHubOperations gitHubOperations,
+			TriageProperties triageProperties, MonitoringProperties monitoringProperties,
+			GitHubProperties gitHubProperties) {
+		Map<Repository, IssueListener> delegates = monitoringProperties.getRepositories()
+				.stream()
+				.collect(Collectors.toMap(Function.identity(),
+						(repository) -> createListener(repository, gitHubOperations,
+								triageProperties)));
+		return new RoutingMultiRepositoryIssueListener(delegates);
+	}
+
+	private TriageIssueListener createListener(Repository repository,
+			GitHubOperations gitHubOperations, TriageProperties triageProperties) {
 		return new TriageIssueListener(
 				Arrays.asList(
 						new OpenedByCollaboratorTriageFilter(
-								gitHubProperties.getRepository().getCollaborators()),
+								repository.getCollaborators()),
 						new LabelledTriageFilter(), new MilestoneAppliedTriageFilter()),
 				new LabelApplyingTriageListener(gitHubOperations,
 						triageProperties.getLabel()));