77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
package handler
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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"knowledge-graph-backend/internal/model"
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"knowledge-graph-backend/internal/service"
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)
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type NodeHandler struct {
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service service.GraphService
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}
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func NewNodeHandler(svc service.GraphService) *NodeHandler {
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return &NodeHandler{
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service: svc,
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}
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}
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// @Summary 获取节点详情
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// @Description 根据节点 ID 获取知识图谱中的节点详细信息
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// @Produce json
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// @Param id path string true "节点 ID"
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// @Success 200 {object} model.NodeResponse "成功"
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// @Failure 400 {object} model.ErrorResponse "请求错误"
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// @Failure 404 {object} model.ErrorResponse "节点未找到"
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// @Failure 500 {object} model.ErrorResponse "内部错误"
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// @Router /api/nodes/{id} [get]
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func (h *NodeHandler) GetNodeByID(c *gin.Context) {
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nodeID := c.Param("id")
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if nodeID == "" {
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c.JSON(http.StatusBadRequest, model.ErrorResponse{Error: "bad_request", Message: "Node ID is required"})
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return
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}
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node, found := h.service.GetNodeByID(nodeID)
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if !found {
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c.JSON(http.StatusNotFound, model.ErrorResponse{Error: "not_found", Message: "Node with ID '" + nodeID + "' not found"})
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return
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}
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c.JSON(http.StatusOK, node)
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}
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// @Summary 获取节点邻居
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// @Description 根据节点 ID 获取其所有邻居节点及关联边
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// @Produce json
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// @Param id path string true "节点 ID"
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// @Success 200 {object} model.NeighborResponse "成功"
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// @Failure 400 {object} model.ErrorResponse "请求错误"
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// @Failure 404 {object} model.ErrorResponse "节点未找到"
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// @Failure 500 {object} model.ErrorResponse "内部错误"
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// @Router /api/nodes/{id}/neighbors [get]
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func (h *NodeHandler) GetNeighbors(c *gin.Context) {
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nodeID := c.Param("id")
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if nodeID == "" {
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c.JSON(http.StatusBadRequest, model.ErrorResponse{Error: "bad_request", Message: "Node ID is required"})
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return
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}
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neighbors, found := h.service.GetNeighbors(nodeID)
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if !found {
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c.JSON(http.StatusNotFound, model.ErrorResponse{Error: "not_found", Message: "Node with ID '" + nodeID + "' not found"})
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return
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}
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c.JSON(http.StatusOK, neighbors)
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}
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func (h *NodeHandler) AddCustomHeaders(c *gin.Context) {
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c.JSON(http.StatusOK, gin.H{
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"message": "With CORS headers",
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"origin": c.Request.Header.Get("Origin"),
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})
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}
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