content: /*
   * Copyright 2022-2023 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
   *
   *      https://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 com.alibaba.initializer.protocol.git;
  
  import java.nio.file.Path;
  import java.time.ZoneId;
  import java.util.Date;
  import java.util.TimeZone;
  
  import javax.servlet.http.HttpServletRequest;
  
  import com.alibaba.initializer.core.ProjectGenerationRequest;
  import com.alibaba.initializer.core.ProjectGenerationResult;
  import com.alibaba.initializer.core.ProjectGenerator;
  import com.alibaba.initializer.protocol.resolver.RequestConverter;
  import lombok.extern.slf4j.Slf4j;
  import org.eclipse.jgit.api.CommitCommand;
  import org.eclipse.jgit.api.Git;
  import org.eclipse.jgit.errors.RepositoryNotFoundException;
  import org.eclipse.jgit.internal.storage.file.FileRepository;
  import org.eclipse.jgit.lib.PersonIdent;
  import org.eclipse.jgit.lib.Repository;
  import org.eclipse.jgit.storage.file.FileRepositoryBuilder;
  import org.eclipse.jgit.transport.resolver.RepositoryResolver;
  
  import org.springframework.beans.factory.annotation.Autowired;
  
  /**
   * output generated code with git protocol
   *
   * @author <a href="mailto:chenxilzx1@gmail.com">theonefx</a>
   */
  @Slf4j
  public class ProjectGenerationResolver implements RepositoryResolver<HttpServletRequest> {
  
      @Autowired
      private ProjectGenerator routeGenerator;
  
      @Autowired
      private RequestConverter requestConverter;
  
      @Override
      public Repository open(HttpServletRequest servletRequest, String name) throws RepositoryNotFoundException {
          ProjectGenerationRequest request = requestConverter.convert(servletRequest);
  
          ProjectGenerationResult result = executeGeneration(request);
  
          return transformGitRepo(name, result.getProjectRoot().resolve(result.getName()));
      }
  
      private Repository transformGitRepo(String name, Path repoRoot) throws RepositoryNotFoundException {
          try {
              FileRepositoryBuilder builder = new FileRepositoryBuilder()
                      .setGitDir(repoRoot.resolve(".git").toFile())
                      .setWorkTree(repoRoot.toFile())
                      .setup();
              Repository resp = new FileRepository(builder);
              resp.create(false);
  
              Git git = new Git(resp);
              git.add().addFilepattern(".").call();
              CommitCommand commit = git.commit();
              commit.setAuthor(new PersonIdent("theonefx", "chenxilzx1@gmail.com", new Date(0), TimeZone.getTimeZone(ZoneId.systemDefault())));
              commit.setCommitter(new PersonIdent("theonefx", "chenxilzx1@gmail.com", new Date(0), TimeZone.getTimeZone(ZoneId.systemDefault())));
              commit.setMessage("project init").call();
  
              git.push();
  
              return resp;
          } catch (Exception e) {
              log.error("trans project 2 git patten error", e);
              throw new RepositoryNotFoundException(name, e);
          }
      }
  
      private ProjectGenerationResult executeGeneration(ProjectGenerationRequest request) {
          ProjectGenerationResult result = routeGenerator.generate(request);
          return result;
      }
  }
  