CourseTeacherService.java 3.2 KB

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  1. package com.qxgmat.service.inline;
  2. import com.github.pagehelper.Page;
  3. import com.nuliji.tools.AbstractService;
  4. import com.nuliji.tools.exception.ParameterException;
  5. import com.nuliji.tools.exception.SystemException;
  6. import com.nuliji.tools.mybatis.Example;
  7. import com.qxgmat.data.constants.enums.status.DirectionStatus;
  8. import com.qxgmat.data.dao.CourseExperienceMapper;
  9. import com.qxgmat.data.dao.CourseTeacherMapper;
  10. import com.qxgmat.data.dao.entity.Course;
  11. import com.qxgmat.data.dao.entity.CourseExperience;
  12. import com.qxgmat.data.dao.entity.CourseTeacher;
  13. import org.slf4j.Logger;
  14. import org.slf4j.LoggerFactory;
  15. import org.springframework.stereotype.Service;
  16. import javax.annotation.Resource;
  17. import java.util.Collection;
  18. import java.util.List;
  19. @Service
  20. public class CourseTeacherService extends AbstractService {
  21. private static final Logger logger = LoggerFactory.getLogger(CourseTeacherService.class);
  22. @Resource
  23. private CourseTeacherMapper courseTeacherMapper;
  24. public Page<CourseTeacher> listAdmin(int page, int size, Integer courseId){
  25. Example example = new Example(CourseTeacher.class);
  26. if(courseId != null){
  27. example.and(
  28. example.createCriteria()
  29. .andEqualTo("courseId", courseId)
  30. );
  31. }
  32. return select(courseTeacherMapper, example, page, size);
  33. }
  34. public List<CourseTeacher> allByCourse(Integer courseId){
  35. Example example = new Example(CourseTeacher.class);
  36. if(courseId != null){
  37. example.and(
  38. example.createCriteria()
  39. .andEqualTo("courseId", courseId)
  40. );
  41. }
  42. return select(courseTeacherMapper, example);
  43. }
  44. public CourseTeacher add(CourseTeacher courseData){
  45. int result = insert(courseTeacherMapper, courseData);
  46. courseData = one(courseTeacherMapper, courseData.getId());
  47. if(courseData == null){
  48. throw new SystemException("教师添加失败");
  49. }
  50. return courseData;
  51. }
  52. public CourseTeacher edit(CourseTeacher courseData){
  53. CourseTeacher in = one(courseTeacherMapper, courseData.getId());
  54. if(in == null){
  55. throw new ParameterException("教师不存在");
  56. }
  57. int result = update(courseTeacherMapper, courseData);
  58. return courseData;
  59. }
  60. public boolean delete(Number id){
  61. CourseTeacher in = one(courseTeacherMapper, id);
  62. if(in == null){
  63. throw new ParameterException("教师不存在");
  64. }
  65. int result = delete(courseTeacherMapper, id);
  66. return result > 0;
  67. }
  68. public CourseTeacher get(Number id){
  69. CourseTeacher in = one(courseTeacherMapper, id);
  70. if(in == null){
  71. throw new ParameterException("教师不存在");
  72. }
  73. return in;
  74. }
  75. public Page<CourseTeacher> select(int page, int pageSize){
  76. return select(courseTeacherMapper, page, pageSize);
  77. }
  78. public Page<CourseTeacher> select(Integer[] ids){
  79. return page(()->select(courseTeacherMapper, ids), 1, ids.length);
  80. }
  81. public List<CourseTeacher> select(Collection ids){
  82. return select(courseTeacherMapper, ids);
  83. }
  84. }