发布项目，删除项目，项目详情，项目列表

src/main/java/cn/meteor/beyondclouds/common/vo/PageVO.java

+package cn.meteor.beyondclouds.common.vo;
+
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 分页结果返回
+ * @author meteor
+ */
+@Data
+public class PageVO<T> {
+
+    /**
+     * 总页数
+     */
+    private Long totalPage;
+
+    /**
+     * 数据
+     */
+    private List<T> dataList;
+}

src/main/java/cn/meteor/beyondclouds/modules/project/api/ProjectApi.java

+package cn.meteor.beyondclouds.modules.project.api;
+
+import cn.meteor.beyondclouds.common.form.PageForm;
+import cn.meteor.beyondclouds.common.vo.PageVO;
+import cn.meteor.beyondclouds.core.annotation.Anonymous;
+import cn.meteor.beyondclouds.core.annotation.CurrentSubject;
+import cn.meteor.beyondclouds.core.api.Response;
+import cn.meteor.beyondclouds.core.bean.Subject;
+import cn.meteor.beyondclouds.modules.project.bean.ProjectDetail;
+import cn.meteor.beyondclouds.modules.project.entity.Project;
+import cn.meteor.beyondclouds.modules.project.exception.ProjectServiceException;
+import cn.meteor.beyondclouds.modules.project.form.ProjectForm;
+import cn.meteor.beyondclouds.modules.project.service.IProjectService;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
+
+/**
+ * 项目接口
+ * @author 段启岩
+ */
+@Api(tags = "项目API")
+@RestController
+public class ProjectApi {
+
+    private IProjectService projectService;
+
+    @Autowired
+    public ProjectApi(IProjectService projectService) {
+        this.projectService = projectService;
+    }
+
+    /**
+     * 发布项目
+     * @param projectForm
+     * @param bindingResult
+     * @param subject
+     * @return
+     */
+    @ApiOperation("发布项目")
+    @PostMapping("/project")
+    public Response publishProject(@RequestBody @Valid ProjectForm projectForm, BindingResult bindingResult, @CurrentSubject Subject subject) {
+
+        // 将项目表单转换为项目对象
+        Project project = new Project();
+        BeanUtils.copyProperties(projectForm, project);
+
+        // 设置用户ID（项目发布者ID）
+        project.setUserId((String) subject.getId());
+
+        // 发布项目
+        try {
+            projectService.publishProject(project, projectForm.getProjectDetail());
+            return Response.success();
+        } catch (ProjectServiceException e) {
+            e.printStackTrace();
+            return Response.error(e);
+        }
+
+    }
+
+    /**
+     * 删除项目
+     * @param projectId
+     * @param subject
+     * @return
+     */
+    @ApiOperation("删除项目")
+    @DeleteMapping("/project/{projectId}")
+    public Response deleteProject(@PathVariable("projectId") String projectId, @CurrentSubject Subject subject) {
+        // 删除
+        try {
+            projectService.deleteProject(projectId, (String) subject.getId());
+            return Response.success();
+        } catch (ProjectServiceException e) {
+            e.printStackTrace();
+            return Response.error(e);
+        }
+    }
+
+    /**
+     * 项目详情
+     * @param projectId
+     * @return
+     */
+    @Anonymous
+    @ApiOperation("项目详情")
+    @GetMapping("/project/{projectId}")
+    public Response<ProjectDetail> getProject(@PathVariable("projectId") String projectId) {
+
+        try {
+            // 获取项目详情并返回
+            ProjectDetail projectDetail = projectService.getProject(projectId);
+            return Response.success(projectDetail);
+        } catch (ProjectServiceException e) {
+            e.printStackTrace();
+            return Response.error(e);
+        }
+    }
+
+    /**
+     * 项目列表
+     * @param pageForm
+     * @return
+     */
+    @Anonymous
+    @ApiOperation("项目列表")
+    @GetMapping("/projects")
+    public Response<PageVO<Project>> getProjects(@Valid PageForm pageForm) {
+        // 获取列表并返回
+        IPage<Project> projectPage = projectService.getProjectPage(pageForm.getPage(), pageForm.getSize());
+        PageVO<Project> projectPageVO = new PageVO<>();
+        projectPageVO.setTotalPage(projectPage.getPages());
+        projectPageVO.setDataList(projectPage.getRecords());
+        return Response.success(projectPageVO);
+    }
+
+
+}

src/main/java/cn/meteor/beyondclouds/modules/project/bean/ProjectDetail.java

+package cn.meteor.beyondclouds.modules.project.bean;
+
+import cn.meteor.beyondclouds.modules.project.entity.Project;
+import lombok.Data;
+
+/**
+ * 项目详情
+ * @author meteor
+ */
+@Data
+public class ProjectDetail extends Project {
+
+    /**
+     * 项目详情
+     */
+    private String projectDetail;
+}

src/main/java/cn/meteor/beyondclouds/modules/project/entity/Project.java

@@ -2,14 +2,15 @@ package cn.meteor.beyondclouds.modules.project.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
-import java.time.LocalDateTime;
-import java.io.Serializable;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 
+import java.io.Serializable;
+import java.util.Date;
+
 /**
  * <p>
  * 项目表
@@ -68,9 +69,9 @@ public class Project implements Serializable {
     @ApiModelProperty(value = "封面图")
     private String cover;
 
-    private LocalDateTime createTime;
+    private Date createTime;
 
-    private LocalDateTime updateTime;
+    private Date updateTime;
 
 
 }

src/main/java/cn/meteor/beyondclouds/modules/project/enums/ProjectErrorCode.java

+package cn.meteor.beyondclouds.modules.project.enums;
+
+import cn.meteor.beyondclouds.core.IErrorCode;
+
+/**
+ * @author 段启岩
+ */
+public enum ProjectErrorCode implements IErrorCode {
+    INCORRECT_CATEGORY(9001,"项目分类错误"),
+    PROJECT_NOT_FOUND(9002, "找不到该项目");
+
+
+    private long code;
+
+    private String msg;
+
+    ProjectErrorCode(long code, String msg) {
+        this.code = code;
+        this.msg = msg;
+    }
+
+    @Override
+    public long code() {
+        return code;
+    }
+
+    @Override
+    public String msg() {
+        return msg;
+    }
+}

src/main/java/cn/meteor/beyondclouds/modules/project/exception/ProjectServiceException.java

+package cn.meteor.beyondclouds.modules.project.exception;
+
+import cn.meteor.beyondclouds.core.IErrorCode;
+import cn.meteor.beyondclouds.core.exception.ServiceException;
+
+/**
+ * 项目业务异常类
+ */
+public class ProjectServiceException extends ServiceException {
+    public ProjectServiceException(long errorCode, String errorMsg) {
+        super(errorCode, errorMsg);
+    }
+
+    public ProjectServiceException(IErrorCode errorCode) {
+        super(errorCode);
+    }
+}

src/main/java/cn/meteor/beyondclouds/modules/project/form/ProjectForm.java

+package cn.meteor.beyondclouds.modules.project.form;
+
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+
+/**
+ * @author 段启岩
+ */
+@ApiModel(value="ProjectForm", description="项目表单")
+@Data
+public class ProjectForm {
+
+    private static final long serialVersionUID=1L;
+
+    @NotEmpty(message = "项目名称不能为空")
+    @ApiModelProperty(value = "项目名称")
+    private String projectName;
+
+    @NotNull(message = "项目类别不能为空")
+    @ApiModelProperty(value = "项目类别ID")
+    private Integer categoryId;
+
+    @NotEmpty(message = "项目源码链接不能为空")
+    @ApiModelProperty(value = "项目源码链接")
+    private String sourceLink;
+
+    @ApiModelProperty(value = "项目主页链接")
+    private String homeLink;
+
+    @ApiModelProperty(value = "项目文档链接")
+    private String docLink;
+
+    @ApiModelProperty(value = "项目类型")
+    private String projectType;
+
+    @ApiModelProperty(value = "协议")
+    private String license;
+
+    @ApiModelProperty(value = "项目开发语言")
+    private String devLang;
+
+    @ApiModelProperty(value = "项目运行平台")
+    private String runtimePlatform;
+
+    @ApiModelProperty(value = "项目作者")
+    private String author;
+
+    @NotEmpty(message = "项目描述不能为空")
+    @ApiModelProperty(value = "项目描述")
+    private String projectDescription;
+
+    @NotEmpty(message = "项目封面图不能为空")
+    @ApiModelProperty(value = "封面图")
+    private String cover;
+
+    @ApiModelProperty(value = "项目详情")
+    private String projectDetail;
+
+
+}

src/main/java/cn/meteor/beyondclouds/modules/project/service/IProjectService.java

 package cn.meteor.beyondclouds.modules.project.service;
 
+import cn.meteor.beyondclouds.modules.project.bean.ProjectDetail;
 import cn.meteor.beyondclouds.modules.project.entity.Project;
+import cn.meteor.beyondclouds.modules.project.exception.ProjectServiceException;
+import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 /**
@@ -13,4 +16,32 @@ import com.baomidou.mybatisplus.extension.service.IService;
  */
 public interface IProjectService extends IService<Project> {
 
+    /**
+     * 发布项目
+     * @param project
+     * @param detail
+     */
+    void publishProject(Project project, String detail) throws ProjectServiceException;
+
+    /**
+     * 删除项目
+     * @param projectId
+     * @param userId
+     */
+    void deleteProject(String projectId, String userId) throws ProjectServiceException;
+
+    /**
+     * 获取项目
+     * @param projectId
+     * @return
+     */
+    ProjectDetail getProject(String projectId) throws ProjectServiceException;
+
+    /**
+     * 获取项目分页
+     * @return
+     * @param pageNumber
+     * @param pageSize
+     */
+    IPage<Project> getProjectPage(Integer pageNumber, Integer pageSize);
 }

src/main/java/cn/meteor/beyondclouds/modules/project/service/impl/ProjectServiceImpl.java

 package cn.meteor.beyondclouds.modules.project.service.impl;
 
+import cn.meteor.beyondclouds.modules.project.bean.ProjectDetail;
 import cn.meteor.beyondclouds.modules.project.entity.Project;
+import cn.meteor.beyondclouds.modules.project.entity.ProjectCategory;
+import cn.meteor.beyondclouds.modules.project.entity.ProjectComment;
+import cn.meteor.beyondclouds.modules.project.entity.ProjectExt;
+import cn.meteor.beyondclouds.modules.project.enums.ProjectErrorCode;
+import cn.meteor.beyondclouds.modules.project.exception.ProjectServiceException;
+import cn.meteor.beyondclouds.modules.project.mapper.ProjectCategoryMapper;
 import cn.meteor.beyondclouds.modules.project.mapper.ProjectMapper;
+import cn.meteor.beyondclouds.modules.project.service.IProjectCommentService;
+import cn.meteor.beyondclouds.modules.project.service.IProjectExtService;
 import cn.meteor.beyondclouds.modules.project.service.IProjectService;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 /**
  * <p>
@@ -17,4 +32,98 @@ import org.springframework.stereotype.Service;
 @Service
 public class ProjectServiceImpl extends ServiceImpl<ProjectMapper, Project> implements IProjectService {
 
+
+    private IProjectExtService projectExtService;
+
+    private ProjectCategoryMapper projectCategoryMapper;
+
+    private IProjectCommentService projectCommentService;
+
+    @Autowired
+    public ProjectServiceImpl(IProjectExtService projectExtService, ProjectCategoryMapper projectCategoryMapper, IProjectCommentService projectCommentService) {
+        this.projectExtService = projectExtService;
+        this.projectCategoryMapper = projectCategoryMapper;
+        this.projectCommentService = projectCommentService;
+    }
+
+    @Transactional(rollbackFor = Exception.class)
+    @Override
+    public void publishProject(Project project, String detail) throws ProjectServiceException {
+        // 1.检查项目类别是否存在
+        Integer categoryId = project.getCategoryId();
+        ProjectCategory projectCategory = projectCategoryMapper.selectById(categoryId);
+
+        // 若分类不存在，则抛出异常
+        if (null == projectCategory) {
+            throw new ProjectServiceException(ProjectErrorCode.INCORRECT_CATEGORY);
+        }
+
+        // 2.保存项目
+        save(project);
+
+        // 3.保存项目详情
+        ProjectExt projectExt = new ProjectExt();
+        projectExt.setProjectId(project.getProjectId());
+        projectExt.setProjectDetail(detail);
+        projectExtService.save(projectExt);
+    }
+
+    @Override
+    public void deleteProject(String projectId, String userId) throws ProjectServiceException {
+        // 1.判断自己有没有发过这个项目
+        QueryWrapper<Project> projectQueryWrapper = new QueryWrapper<>();
+        projectQueryWrapper
+                .eq("project_id", projectId)
+                .eq("user_id", userId);
+        Project project = getOne(projectQueryWrapper);
+
+        // 若找不到该用户的该项目，则抛出业务异常
+        if (null == project) {
+            throw new ProjectServiceException(ProjectErrorCode.PROJECT_NOT_FOUND);
+        }
+
+        // 2.删除项目的所有评论
+        QueryWrapper<ProjectComment> projectCommentQueryWrapper = new QueryWrapper<>();
+        projectCommentQueryWrapper.eq("project_id", projectId);
+        projectCommentService.remove(projectCommentQueryWrapper);
+
+        // 3.删除项目本身
+
+        // 删除项目详情
+        QueryWrapper<ProjectExt> projectExtQueryWrapper = new QueryWrapper<>();
+        projectExtQueryWrapper.eq("project_id", projectId);
+        projectExtService.remove(projectExtQueryWrapper);
+
+        // 删除项目
+        removeById(projectId);
+    }
+
+    @Override
+    public ProjectDetail getProject(String projectId) throws ProjectServiceException {
+
+        // 1.获取项目
+        Project project = getById(projectId);
+
+        // 若找不到该项目，则抛出业务异常
+        if (null == project) {
+            throw new ProjectServiceException(ProjectErrorCode.PROJECT_NOT_FOUND);
+        }
+
+        // 2.获取项目详情
+        QueryWrapper<ProjectExt> projectExtQueryWrapper = new QueryWrapper<>();
+        projectExtQueryWrapper.eq("project_id", projectId);
+        ProjectExt projectExt = projectExtService.getOne(projectExtQueryWrapper);
+
+        // 3.装配并返回查询到的信息
+        ProjectDetail projectDetail = new ProjectDetail();
+        BeanUtils.copyProperties(project, projectDetail);
+        projectDetail.setProjectDetail(projectExt.getProjectDetail());
+        return projectDetail;
+    }
+
+    @Override
+    public IPage<Project> getProjectPage(Integer pageNumber, Integer pageSize) {
+        IPage<Project> page = new Page<>(pageNumber, pageSize);
+        return page(page);
+    }
 }