Sweep: Add a new backend service to this blog app that the user can view the blog by the "category" of the blog similar to the "tag"

[helado12]

This is a personal blog application with a front-end and a back-end built in Spring Boot, mybatis and semantic-ui. It has basic functionality like view the blog, query the blog by its tag/type, and it has a admin module where the admin user can log-in and edit the blogs. You should analyse the repo closely to understand the whole application and the requirement is to add a new backend functionality that the user can view the blog by its "category". Make necessary code changes and front-end implenementation and testing are not required.

Checklist

- [X] Create `src/main/resources/mapper/CategoryDao.xml` ✓ https://github.com/helado12/blog/commit/096aa6d1a329e98b5330a997cca6a4f9c759e4fb [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/resources/mapper/CategoryDao.xml) - [X] Running GitHub Actions for `src/main/resources/mapper/CategoryDao.xml` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/resources/mapper/CategoryDao.xml) - [X] Create `src/main/java/com/htr/dao/CategoryDao.java` ✓ https://github.com/helado12/blog/commit/c79c156c5c91502688c039f8e64626999cb2ffcc [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/dao/CategoryDao.java) - [X] Running GitHub Actions for `src/main/java/com/htr/dao/CategoryDao.java` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/dao/CategoryDao.java) - [X] Modify `src/main/resources/mapper/BlogDao.xml` ✓ https://github.com/helado12/blog/commit/912ba18f479db8be25562dedb4ed7552a55a76b7 [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/resources/mapper/BlogDao.xml) - [X] Running GitHub Actions for `src/main/resources/mapper/BlogDao.xml` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/resources/mapper/BlogDao.xml) - [X] Modify `src/main/java/com/htr/dao/BlogDao.java` ✓ https://github.com/helado12/blog/commit/42abac3fdb63047182afca008e480bd18158bb99 [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/dao/BlogDao.java) - [X] Running GitHub Actions for `src/main/java/com/htr/dao/BlogDao.java` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/dao/BlogDao.java) - [X] Modify `src/main/java/com/htr/service/BlogService.java` ✓ https://github.com/helado12/blog/commit/49cb17696819817ba8e48f8c9fa10ff807e5b80d [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/service/BlogService.java) - [X] Running GitHub Actions for `src/main/java/com/htr/service/BlogService.java` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/service/BlogService.java) - [X] Create `src/main/java/com/htr/entity/Category.java` ✓ https://github.com/helado12/blog/commit/fb81fc4d3bc1c3fcb9ecde0e256c1e9486ad6e96 [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/entity/Category.java) - [X] Running GitHub Actions for `src/main/java/com/htr/entity/Category.java` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/entity/Category.java) - [X] Create `src/main/java/com/htr/entity/Blog.java` ✓ https://github.com/helado12/blog/commit/d253217f6cfb3c82b145b3688c130852afc23019 [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/entity/Blog.java) - [X] Running GitHub Actions for `src/main/java/com/htr/entity/Blog.java` ✓ [Edit](https://github.com/helado12/blog/edit/sweep/add_a_new_backend_service_to_this_blog_a/src/main/java/com/htr/entity/Blog.java)

[helado12]

🚀 Here's the PR! #5

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• [ ] ↻ Restart Sweep

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Step 1: 🔎 Searching

I found the following snippets in your repository. I will now analyze these snippets and come up with a plan.

Some code snippets I think are relevant in decreasing order of relevance (click to expand). If some file is missing from here, you can mention the path in the ticket description.

https://github.com/helado12/blog/blob/504980349c052ccf98c9f489dd366759813627b4/src/main/resources/mapper/BlogDao.xml#L1-L169

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Step 2: ⌨️ Coding

• [X] Create src/main/resources/mapper/CategoryDao.xml ✓ https://github.com/helado12/blog/commit/096aa6d1a329e98b5330a997cca6a4f9c759e4fb Edit

  Create src/main/resources/mapper/CategoryDao.xml with contents:
  • Create a new MyBatis mapper XML file named `CategoryDao.xml` in the `src/main/resources/mapper` directory.
  • Define a namespace for the mapper, e.g., `namespace="com.htr.dao.CategoryDao"`.
  • Add a `` to map the category entity fields to the database columns.
  • Include `` statements for basic operations like fetching all categories and fetching a category by its ID.

  • [X] Running GitHub Actions for src/main/resources/mapper/CategoryDao.xml ✓ Edit

    Check src/main/resources/mapper/CategoryDao.xml with contents:

  Ran GitHub Actions for 096aa6d1a329e98b5330a997cca6a4f9c759e4fb:

  • [X] Create src/main/java/com/htr/dao/CategoryDao.java ✓ https://github.com/helado12/blog/commit/c79c156c5c91502688c039f8e64626999cb2ffcc Edit

    Create src/main/java/com/htr/dao/CategoryDao.java with contents:
    • Create a new interface `CategoryDao` in the `com.htr.dao` package.
    • Define methods that correspond to the `

  ` statements in `CategoryDao.xml`, such as `List listAllCategories();` and `Category getCategoryById(Long id);`.

• [X] Running GitHub Actions for src/main/java/com/htr/dao/CategoryDao.java ✓ Edit

  Check src/main/java/com/htr/dao/CategoryDao.java with contents:

Ran GitHub Actions for c79c156c5c91502688c039f8e64626999cb2ffcc:

• [X] Modify src/main/resources/mapper/BlogDao.xml ✓ https://github.com/helado12/blog/commit/912ba18f479db8be25562dedb4ed7552a55a76b7 Edit

  Modify src/main/resources/mapper/BlogDao.xml with contents:
  • Add a new `` statement with an id, e.g., `getBlogsByCategoryId`, to fetch blogs by category ID. This will involve joining the blog table with the category table based on the category ID.
  • Ensure the `` statement uses the existing `ResultBlog` resultMap for mapping the result set to the Blog entity.

--- 
+++ 
@@ -154,6 +154,14 @@
         where (blogtag.tag_id= tag.id and blogtag.blog_id = b.id and tag.id = #{id} ) order by b.update_time desc
     

+    
+        select b.*
+        from t_blog b
+        join t_category c on b.category_id = c.id
+        where c.id = #{id}
+        order by b.update_time desc
+    
+
     
         update t_blog set views = views + 1 where id = #{id}
     

• [X] Running GitHub Actions for src/main/resources/mapper/BlogDao.xml ✓ Edit

  Check src/main/resources/mapper/BlogDao.xml with contents:

Ran GitHub Actions for 912ba18f479db8be25562dedb4ed7552a55a76b7:

• [X] Modify src/main/java/com/htr/dao/BlogDao.java ✓ https://github.com/helado12/blog/commit/42abac3fdb63047182afca008e480bd18158bb99 Edit

  Modify src/main/java/com/htr/dao/BlogDao.java with contents:
  • Add a new method signature in the `BlogDao` interface to support fetching blogs by category ID, e.g., `List getBlogsByCategoryId(Long categoryId);`.

--- 
+++ 
@@ -43,6 +43,8 @@

     List getByTagId(Long id);

+    List getBlogsByCategoryId(Long categoryId);
+
     List queryBlogYear();

     List findByYear(String year);

• [X] Running GitHub Actions for src/main/java/com/htr/dao/BlogDao.java ✓ Edit

  Check src/main/java/com/htr/dao/BlogDao.java with contents:

Ran GitHub Actions for 42abac3fdb63047182afca008e480bd18158bb99:

• [X] Modify src/main/java/com/htr/service/BlogService.java ✓ https://github.com/helado12/blog/commit/49cb17696819817ba8e48f8c9fa10ff807e5b80d Edit

  Modify src/main/java/com/htr/service/BlogService.java with contents:
  • Add a new method in the `BlogService` class to fetch blogs by category ID. This method will call the newly added method in the `BlogDao` interface.
  • The method could be named `getBlogsByCategory(Long categoryId)` and should return a list of `Blog` entities.

--- 
+++ 
@@ -37,6 +37,8 @@

     List getByTagId(Long id);

+    List getBlogsByCategory(Long categoryId);
+
     Map> archiveBlog();

 }

• [X] Running GitHub Actions for src/main/java/com/htr/service/BlogService.java ✓ Edit

  Check src/main/java/com/htr/service/BlogService.java with contents:

Ran GitHub Actions for 49cb17696819817ba8e48f8c9fa10ff807e5b80d:

• [X] Create src/main/java/com/htr/entity/Category.java ✓ https://github.com/helado12/blog/commit/fb81fc4d3bc1c3fcb9ecde0e256c1e9486ad6e96 Edit

  Create src/main/java/com/htr/entity/Category.java with contents:
  • Create a new `Category` entity class in the `com.htr.entity` package.
  • Define fields for the category entity, such as `id`, `name`, and any other relevant fields.
  • Annotate the class with JPA annotations if necessary, depending on whether JPA is used alongside MyBatis in this project.

• [X] Running GitHub Actions for src/main/java/com/htr/entity/Category.java ✓ Edit

  Check src/main/java/com/htr/entity/Category.java with contents:

Ran GitHub Actions for fb81fc4d3bc1c3fcb9ecde0e256c1e9486ad6e96:

• [X] Create src/main/java/com/htr/entity/Blog.java ✓ https://github.com/helado12/blog/commit/d253217f6cfb3c82b145b3688c130852afc23019 Edit

  Create src/main/java/com/htr/entity/Blog.java with contents:
  • Add a new field to the `Blog` entity to reference the `Category` entity. This could be a `Category` type field with appropriate JPA/MyBatis annotations to establish the relationship.

• [X] Running GitHub Actions for src/main/java/com/htr/entity/Blog.java ✓ Edit

  Check src/main/java/com/htr/entity/Blog.java with contents:

Ran GitHub Actions for d253217f6cfb3c82b145b3688c130852afc23019:

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Step 3: 🔁 Code Review

I have finished reviewing the code for completeness. I did not find errors for sweep/add_a_new_backend_service_to_this_blog_a.

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