知识图谱修改1 结合课程

src/main/java/com/teaching/backend/controller/KnowGraph/KnowController.java

@@ -7,12 +7,10 @@ package com.teaching.backend.controller.KnowGraph;
  */
 import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.common.ResultUtils;
-import com.teaching.backend.model.dto.KnowGraph.BaseKnowReturn;
+import com.teaching.backend.model.dto.KnowGraph.*;
-import com.teaching.backend.model.dto.KnowGraph.KnowRequest;
-import com.teaching.backend.model.dto.KnowGraph.KnowUpdateRequest;
-import com.teaching.backend.model.dto.KnowGraph.RelationshipKnowRequest;
 import com.teaching.backend.model.entity.KnowGraph.Know;
 
+import com.teaching.backend.model.entity.KnowGraph.KnowCourse;
 import com.teaching.backend.service.KnowGraph.KnowService;
 import org.springframework.web.bind.annotation.*;
 
@@ -41,6 +39,12 @@ public class KnowController {
         return knowService.createKnow(knowRequest);
     }
 
+    //添加知识点 - 课程
+    @PostMapping("/addKnowCourse")
+    public KnowCourse createCourseKnow(@RequestBody KnowCourseCreateRequest knowCourseCreateRequest) {
+        return knowService.createCourseKnow(knowCourseCreateRequest);
+    }
+
     //修改知识点
     @PostMapping ("/update")
     public Know updateKnow(@RequestBody KnowUpdateRequest knowUpdateRequest) {
@@ -67,7 +71,7 @@ public class KnowController {
     }
 
     @GetMapping("/all")
-    public BaseResponse<BaseKnowReturn> getKnowAll(@RequestParam Long id) {
+    public BaseResponse<BaseKnowReturn> getKnowAll(@RequestParam String id) {
         BaseKnowReturn baseKnowReturn =knowService.getKnowAll(id);
         return ResultUtils.success(baseKnowReturn);
     }

src/main/java/com/teaching/backend/mapper/KnowGraph/KnowRepository.java

@@ -7,7 +7,9 @@ package com.teaching.backend.mapper.KnowGraph;
  */
 
 
+import com.teaching.backend.model.dto.KnowGraph.KnowCourseCreateRequest;
 import com.teaching.backend.model.entity.KnowGraph.Know;
+import com.teaching.backend.model.entity.KnowGraph.KnowCourse;
 import org.springframework.data.neo4j.repository.Neo4jRepository;
 import org.springframework.data.neo4j.repository.query.Query;
 
@@ -26,6 +28,9 @@ public interface KnowRepository extends Neo4jRepository<Know, Long> {
     List<Know> queryKnowAllKnowById(Long id);
 
 
+    @Query("CREATE (n:Know {name: $name, courseId: $courseId,info:$info,resourceList:$resourceList}) return n")
+    KnowCourse createKnowCourse(String courseId, String name, String info, List<Integer>resourceList);
+
 
 
 }

src/main/java/com/teaching/backend/model/dto/KnowGraph/KnowCourseCreateRequest.java

@@ -0,0 +1,38 @@
+package com.teaching.backend.model.dto.KnowGraph;
+
+import lombok.Data;
+import org.springframework.data.neo4j.core.schema.Property;
+
+import java.io.Serializable;
+import java.util.List;
+
+@Data
+public class KnowCourseCreateRequest implements Serializable {
+
+    /**
+     * 知识点名称
+     */
+    private String courseId;
+
+    /**
+     * 知识点名称
+     */
+    private String name;
+
+    /**
+     * 信息
+     */
+
+    private String info;
+
+
+
+    /**
+     * 知识点所关联的资源
+     */
+    @Property
+    private List<Integer> resourceList;
+
+
+}
+

src/main/java/com/teaching/backend/model/entity/KnowGraph/KnowCourse.java

@@ -0,0 +1,50 @@
+package com.teaching.backend.model.entity.KnowGraph;
+
+import lombok.Data;
+import org.springframework.data.neo4j.core.schema.GeneratedValue;
+import org.springframework.data.neo4j.core.schema.Id;
+import org.springframework.data.neo4j.core.schema.Node;
+import org.springframework.data.neo4j.core.schema.Property;
+
+import java.io.Serializable;
+import java.util.List;
+
+@Node
+@Data
+public class KnowCourse implements Serializable {
+
+
+    /**
+     * id
+     */
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    /**
+     * 知识点名称
+     */
+    private String courseId;
+
+
+    /**
+     * 知识点名称
+     */
+    @Property
+    private String name;
+
+    /**
+     * 信息
+     */
+    @Property
+    private String info;
+
+
+    /**
+     * 知识点所关联的资源
+     */
+    @Property
+    private List<Integer> resourceList;
+
+}
+

src/main/java/com/teaching/backend/model/vo/knowGraph/KnowVO.java

@@ -24,13 +24,8 @@ public class KnowVO implements Serializable {
     /**
      * 信息
      */
-    private Long group;
+    private String color;
 
 
-    /**
-     * 知识点所关联的资源
-     */
-    private List<Integer> resourceList;
-
 }
 

src/main/java/com/teaching/backend/service/KnowGraph/KnowService.java

@@ -1,11 +1,9 @@
 package com.teaching.backend.service.KnowGraph;
 
 import com.teaching.backend.mapper.KnowGraph.KnowRepository;
-import com.teaching.backend.model.dto.KnowGraph.BaseKnowReturn;
+import com.teaching.backend.model.dto.KnowGraph.*;
-import com.teaching.backend.model.dto.KnowGraph.KnowRequest;
-import com.teaching.backend.model.dto.KnowGraph.KnowUpdateRequest;
-import com.teaching.backend.model.dto.KnowGraph.RelationshipKnowRequest;
 import com.teaching.backend.model.entity.KnowGraph.Know;
+import com.teaching.backend.model.entity.KnowGraph.KnowCourse;
 import com.teaching.backend.model.entity.KnowGraph.Links;
 import com.teaching.backend.model.vo.knowGraph.KnowVO;
 import org.neo4j.driver.internal.InternalRelationship;
@@ -46,6 +44,11 @@ public class KnowService {
         return knowRepository.save(know);
     }
 
+    public KnowCourse createCourseKnow(KnowCourseCreateRequest knowCourseCreateRequest ) {
+        return knowRepository.createKnowCourse(knowCourseCreateRequest.getCourseId(),knowCourseCreateRequest.getName(),knowCourseCreateRequest.getInfo(),knowCourseCreateRequest.getResourceList());
+
+    }
+
 
     public void deleteKnow(Long id) {
         knowRepository.deleteById(id);
@@ -67,9 +70,16 @@ public class KnowService {
     }
 
 
-    public BaseKnowReturn getKnowAll(Long id) {
+    public BaseKnowReturn getKnowAll(String id) {
         Collection<Map<String, Object>> all =
-                neo4jClient.query( "match(n:Know)-[r*0..]->(p:Know) where ID(n) = "+id+" return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all();
+                neo4jClient.query( "match(n:Know)-[r*0..]->(p:Know) where n.courseId = '"+id+"' return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all();
+
+        Map<Long,String>colorChoose = new HashMap<>();
+        String color[] = new String[10];
+        String[] colorList = {"#91CC75", "#5470C6", "#FAC858", "#EE6666", "#73C0DE", "#EA7CCC", "#5577FF", "#5577FF", "#9DBFFF", "#78A7FF"};
+        for (int i = 0; i < 10; i++) {
+            colorChoose.put((long) i,colorList[i]);
+        }
 
         Iterator<Map<String, Object>> iterator = all.iterator();
         Set<KnowVO> knowList = new HashSet<>();
@@ -80,15 +90,17 @@ public class KnowService {
         int p = 0;
         while (iterator.hasNext()) {
             Map<String, Object> element = iterator.next();
-            Long group = (Long) element.get("d");
             knowVO = new KnowVO();
             Node node1 = (Node) element.get("p");
+
+            Long group = (Long) element.get("d");
+            knowVO.setColor(colorChoose.get(group));
+
             Long id1 = node1.id();
             String name1 = node1.get("name").asString();
-//            String info1 = node1.get("info").asString();
             knowVO.setId(id1);
             knowVO.setLabel(name1);
-            knowVO.setGroup(group);
+
             knowList.add(knowVO);
 
             node2 = (List) element.get("r");
@@ -112,6 +124,12 @@ public class KnowService {
     public BaseKnowReturn getKnowById(Long id) {
         Collection<Map<String, Object>> all =
                 neo4jClient.query( "match(n:Know)-[r*0..2]->(p:Know) where ID(n) = "+id+" return n as `n`,r as `r`,p as `p`,length(r) as `d`").fetch().all();
+        Map<Long,String>colorChoose = new HashMap<>();
+        String color[] = new String[10];
+        String[] colorList = {"#91CC75", "#5470C6", "#FAC858", "#EE6666", "#73C0DE", "#EA7CCC", "#5577FF", "#5577FF", "#9DBFFF", "#78A7FF"};
+        for (int i = 0; i < 10; i++) {
+            colorChoose.put((long) i,colorList[i]);
+        }
 
         Iterator<Map<String, Object>> iterator = all.iterator();
         Set<KnowVO> knowList = new HashSet<>();
@@ -123,15 +141,14 @@ public class KnowService {
         while (iterator.hasNext()) {
             Map<String, Object> element = iterator.next();
 
-            Long group = (Long) element.get("d");
             knowVO = new KnowVO();
             Node node1 = (Node) element.get("p");
+            Long group = (Long) element.get("d");
+            knowVO.setColor(colorChoose.get(group));
             Long id1 = node1.id();
             String name1 = node1.get("name").asString();
-//            String info1 = node1.get("info").asString();
             knowVO.setId(id1);
             knowVO.setLabel(name1);
-            knowVO.setGroup(group);
             knowList.add(knowVO);
 
             node2 = (List) element.get("r");