fix: #975 (#977)

* chore: build.gradle add mavenLocal()(#975)

* feat: markdown import compatible with hugo(#975)

build.gradle

@@ -15,6 +15,7 @@ java {
 }
 
 repositories {
+    mavenLocal()
     maven {
         url "https://maven.aliyun.com/nexus/content/groups/public"
     }

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

@@ -1,6 +1,7 @@
 package run.halo.app.service.impl;
 
 import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.util.StrUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.context.ApplicationEventPublisher;
@@ -318,8 +319,11 @@ public class PostServiceImpl extends BasePostServiceImpl<Post> implements PostSe
 
         // Gets frontMatter
         Map<String, List<String>> frontMatter = MarkdownUtils.getFrontMatter(markdown);
+        // remove frontMatter
+        markdown = MarkdownUtils.removeFrontMatter(markdown);
 
         PostParam post = new PostParam();
+        post.setStatus(null);
 
         List<String> elementValue;
 
@@ -331,6 +335,11 @@ public class PostServiceImpl extends BasePostServiceImpl<Post> implements PostSe
             for (String key : frontMatter.keySet()) {
                 elementValue = frontMatter.get(key);
                 for (String ele : elementValue) {
+                    ele = StrUtil.strip(ele, "[", "]");
+                    ele = StrUtil.strip(ele, "\"");
+                    if ("".equals(ele)) {
+                        continue;
+                    }
                     switch (key) {
                         case "title":
                             post.setTitle(ele);

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

@@ -27,6 +27,8 @@ import run.halo.app.model.support.HaloConst;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 /**
  * Markdown utils.
@@ -122,4 +124,21 @@ public class MarkdownUtils {
         visitor.visit(document);
         return visitor.getData();
     }
+
+    private static final Pattern FRONT_MATTER = Pattern.compile("^---[\\s\\S]*?---");
+
+    /**
+     * remove front matter
+     *
+     * @param markdown markdown
+     * @return markdown
+     */
+    public static String removeFrontMatter(String markdown) {
+        markdown = markdown.trim();
+        Matcher matcher = FRONT_MATTER.matcher(markdown);
+        if (matcher.find()) {
+            return markdown.replace(matcher.group(), "");
+        }
+        return markdown;
+    }
 }

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

@@ -0,0 +1,35 @@
+package run.halo.app.utils;
+
+import cn.hutool.core.lang.Assert;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * @author zhixiang.yuan
+ * @since 2020/07/19 20:22:58
+ */
+@Slf4j
+class MarkdownUtilsTest {
+
+    @Test
+    void removeFrontMatter() {
+        String markdown = "---\n" +
+            "title: \"test remove\"\n" +
+            "---";
+        Assert.isTrue("".equals(MarkdownUtils.removeFrontMatter(markdown)));
+
+        markdown = "---\n" +
+            "title: \"test remove\"\n" +
+            "---" +
+            "test";
+        Assert.isTrue("test".equals(MarkdownUtils.removeFrontMatter(markdown)));
+
+        markdown = "---\n" +
+            "title: \"test remove\"\n" +
+            "---" +
+            "test---";
+        Assert.isTrue("test---".equals(MarkdownUtils.removeFrontMatter(markdown)));
+    }
+}