Complete theme updating

src/main/java/run/halo/app/controller/admin/api/ThemeController.java

@@ -117,6 +117,13 @@ public class ThemeController {
         themeSettingService.save(settings, themeId);
     }
 
+    @PutMapping("{themeId}")
+    public ThemeProperty updateTheme(@PathVariable("themeId") String themeId,
+                                     @RequestPart(name = "file", required = false) MultipartFile file) {
+
+        return themeService.update(themeId);
+    }
+
     @DeleteMapping("{themeId}")
     @ApiOperation("Deletes a theme")
     public void deleteBy(@PathVariable("themeId") String themeId) {
@@ -145,4 +152,5 @@ public class ThemeController {
     public BaseResponse exists(@RequestParam(value = "template") String template) {
         return BaseResponse.ok(themeService.templateExists(template));
     }
+
 }

src/main/java/run/halo/app/exception/ThemeUpdateException.java

@@ -0,0 +1,18 @@
+package run.halo.app.exception;
+
+/**
+ * Theme update exception.
+ *
+ * @author johnniang
+ * @date 19-5-30
+ */
+public class ThemeUpdateException extends ServiceException {
+
+    public ThemeUpdateException(String message) {
+        super(message);
+    }
+
+    public ThemeUpdateException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

src/main/java/run/halo/app/handler/theme/config/impl/YamlThemePropertyResolver.java

@@ -1,6 +1,8 @@
 package run.halo.app.handler.theme.config.impl;
 
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.PropertyNamingStrategy;
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import org.springframework.stereotype.Service;
 import org.springframework.util.Assert;
@@ -18,7 +20,12 @@ import java.io.IOException;
 @Service
 public class YamlThemePropertyResolver implements ThemePropertyResolver {
 
-    private final ObjectMapper yamlMapper = new ObjectMapper(new YAMLFactory());
+    private final ObjectMapper yamlMapper;
+
+    public YamlThemePropertyResolver() {
+        yamlMapper = new ObjectMapper(new YAMLFactory());
+        yamlMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+    }
 
     @Override
     public ThemeProperty resolve(String content) throws IOException {

src/main/java/run/halo/app/handler/theme/config/support/ThemeProperty.java

@@ -28,6 +28,14 @@ public class ThemeProperty {
      */
     private String website;
 
+    /**
+     * Theme remote branch.(default is master)
+     */
+    private String branch;
+
+    /**
+     * Theme repo url.
+     */
     private String repo;
 
     /**
@@ -51,7 +59,7 @@ public class ThemeProperty {
     private Author author;
 
     /**
-     * Theme path.
+     * Theme full path.
      */
     private String themePath;
 

src/main/java/run/halo/app/service/ThemeService.java

@@ -71,6 +71,16 @@ public interface ThemeService {
      */
     String CUSTOM_SHEET_PREFIX = "sheet_";
 
+    /**
+     * Theme provider remote name.
+     */
+    String THEME_PROVIDER_REMOTE_NAME = "theme-provider";
+
+    /**
+     * Default remote branch name.
+     */
+    String DEFAULT_REMOTE_BRANCH = "master";
+
     /**
      * Get theme property by theme id.
      *
@@ -241,4 +251,13 @@ public interface ThemeService {
      * Reloads themes
      */
     void reload();
+
+    /**
+     * Updates theme by theme id.
+     *
+     * @param themeId theme id must not be blank
+     * @return theme property
+     */
+    @NonNull
+    ThemeProperty update(@NonNull String themeId);
 }

src/main/java/run/halo/app/service/impl/ThemeServiceImpl.java

@@ -3,7 +3,14 @@ package run.halo.app.service.impl;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.MergeCommand;
+import org.eclipse.jgit.api.PullResult;
 import org.eclipse.jgit.api.errors.GitAPIException;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.lib.Ref;
+import org.eclipse.jgit.merge.MergeStrategy;
+import org.eclipse.jgit.transport.RemoteConfig;
+import org.eclipse.jgit.transport.URIish;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.http.ResponseEntity;
 import org.springframework.lang.NonNull;
@@ -32,7 +39,9 @@ import run.halo.app.utils.FilenameUtils;
 import run.halo.app.utils.HaloUtils;
 
 import java.io.ByteArrayInputStream;
+import java.io.File;
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -460,6 +469,87 @@ public class ThemeServiceImpl implements ThemeService {
         eventPublisher.publishEvent(new ThemeUpdatedEvent(this));
     }
 
+    @Override
+    public ThemeProperty update(String themeId) {
+        Assert.hasText(themeId, "Theme id must not be blank");
+
+        ThemeProperty updatingTheme = getThemeOfNonNullBy(themeId);
+
+        try {
+            pullFromGit(updatingTheme);
+        } catch (Exception e) {
+            throw new ThemeUpdateException("主题更新失败！您与主题作者可能同时更改了同一个文件，您也可以尝试删除主题并重新拉取最新的主题", e).setErrorData(themeId);
+        }
+
+        eventPublisher.publishEvent(new ThemeUpdatedEvent(this));
+
+        return getThemeOfNonNullBy(themeId);
+    }
+
+    private void pullFromGit(@NonNull ThemeProperty themeProperty) throws IOException, GitAPIException, URISyntaxException {
+        Assert.notNull(themeProperty, "Theme property must not be null");
+
+        // Get branch
+        String branch = StringUtils.isBlank(themeProperty.getBranch()) ?
+                DEFAULT_REMOTE_BRANCH : themeProperty.getBranch();
+
+        File themeFolder = Paths.get(themeProperty.getThemePath()).toFile();
+        // Open the theme path
+        Git git;
+
+        try {
+            git = Git.open(themeFolder);
+        } catch (RepositoryNotFoundException e) {
+            // Repository is not initialized
+            git = Git.init().setDirectory(themeFolder).call();
+        }
+
+        // Force to set remote name
+        git.remoteRemove().setRemoteName(THEME_PROVIDER_REMOTE_NAME).call();
+        RemoteConfig remoteConfig = git.remoteAdd()
+                .setName(THEME_PROVIDER_REMOTE_NAME)
+                .setUri(new URIish(themeProperty.getRepo()))
+                .call();
+
+        // Add all changes
+        git.add()
+                .addFilepattern(".")
+                .call();
+        // Commit the changes
+        git.commit().setMessage("Commit by halo automatically").call();
+
+        // Check out to specified branch
+        if (!StringUtils.equalsIgnoreCase(branch, git.getRepository().getBranch())) {
+            boolean present = git.branchList()
+                    .call()
+                    .stream()
+                    .map(Ref::getName)
+                    .anyMatch(name -> StringUtils.equalsIgnoreCase(name, branch));
+
+            git.checkout()
+                    .setCreateBranch(true)
+                    .setForced(!present)
+                    .setName(branch)
+                    .call();
+        }
+
+        // Pull with rebasing
+        PullResult pullResult = git.pull()
+                .setRemote(remoteConfig.getName())
+                .setRemoteBranchName(branch)
+                .setRebase(true)
+                .call();
+
+        if (!pullResult.isSuccessful()) {
+            log.debug("Rebase result: [{}]", pullResult.getRebaseResult());
+            log.debug("Merge result: [{}]", pullResult.getMergeResult());
+
+            throw new ThemeUpdateException("拉取失败！您与主题作者可能同时更改了同一个文件");
+        }
+        // Close git
+        git.close();
+    }
+
     /**
      * Clones theme from git.
      *

src/main/java/run/halo/app/utils/FileUtils.java

@@ -64,7 +64,7 @@ public class FileUtils {
      *
      * @param deletingPath deleting path must not be null
      */
-    public static void deleteFolder(Path deletingPath) throws IOException {
+    public static void deleteFolder(@NonNull Path deletingPath) throws IOException {
         Assert.notNull(deletingPath, "Deleting path must not be null");
 
         log.debug("Deleting [{}]", deletingPath);
@@ -249,9 +249,9 @@ public class FileUtils {
     /**
      * Deletes folder quietly.
      *
-     * @param deletingPath deleting path must not be null
+     * @param deletingPath deleting path
      */
-    public static void deleteFolderQuietly(@NonNull Path deletingPath) {
+    public static void deleteFolderQuietly(@Nullable Path deletingPath) {
         try {
             if (deletingPath != null) {
                 FileUtils.deleteFolder(deletingPath);

src/main/resources/application-dev.yaml

@@ -44,8 +44,8 @@ spring:
     open-in-view: false
   servlet:
     multipart:
-      max-file-size: 10MB
-      max-request-size: 10MB
+      max-file-size: 10240MB
+      max-request-size: 10240MB
 
   cache:
     type: none

src/main/resources/templates/themes/anatole/theme.yaml

@@ -5,5 +5,6 @@ author:
   website: https://www.caicai.me
 description: A other Halo theme
 logo: https://avatars1.githubusercontent.com/u/1811819?s=460&v=4
+website: https://github.com/halo-dev/halo-theme-anatole
 repo: https://github.com/halo-dev/halo-theme-anatole
 version: 1.0

src/test/java/run/halo/app/utils/GitTest.java

@@ -1,15 +1,23 @@
 package run.halo.app.utils;
 
+import lombok.extern.slf4j.Slf4j;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.Status;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.transport.RemoteConfig;
+import org.eclipse.jgit.transport.URIish;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
 import org.junit.Ignore;
 import org.junit.Test;
 
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.List;
+import java.util.Set;
 
 /**
  * Git test.
@@ -17,17 +25,23 @@ import java.nio.file.Path;
  * @author johnniang
  * @date 19-5-21
  */
-@Ignore
+@Slf4j
 public class GitTest {
 
-    private final Path tempPath;
+    private static Path tempPath;
 
-    public GitTest() throws IOException {
+    @BeforeClass
+    public static void setUp() throws IOException {
         tempPath = Files.createTempDirectory("git-test");
     }
 
+    @AfterClass
+    public static void destroy() throws IOException {
+        FileUtils.deleteFolder(tempPath);
+    }
+
     @Test(expected = RepositoryNotFoundException.class)
-    public void openTest() throws IOException {
+    public void openFailureTest() throws IOException {
         Git.open(tempPath.toFile());
     }
 
@@ -37,17 +51,29 @@ public class GitTest {
     }
 
     @Test
-    public void statusTest() throws GitAPIException {
+    public void statusSuccessfulTest() throws GitAPIException {
         Git git = Git.init().setDirectory(tempPath.toFile()).call();
-        git.status().call();
+        Status status = git.status().call();
+        log.debug("Status missing: [{}]", status.getMissing());
     }
 
     @Test
+    public void remoteAddTest() throws GitAPIException, URISyntaxException {
+        Git git = Git.init().setDirectory(tempPath.toFile()).call();
+        git.remoteRemove().setRemoteName("theme-provider").call();
+        git.remoteAdd().setName("theme-provider").setUri(new URIish("https://github.com/halo-dev/halo-theme-pinghsu.git")).call();
+        List<RemoteConfig> remoteConfigs = git.remoteList().call();
+        remoteConfigs.forEach(remoteConfig -> log.debug("name: [{}], url: [{}]", remoteConfig.getName(), remoteConfig.getURIs()));
+    }
+
+    @Test
+    @Ignore
     public void cloneTest() throws GitAPIException {
         cloneRepository();
     }
 
     @Test
+    @Ignore
     public void pullTest() throws GitAPIException {
         Git git = cloneRepository();
         git.pull().call();