70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package handlers
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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/services"
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)
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type NodeHandler struct {
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service services.GraphService
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}
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func NewNodeHandler(service services.GraphService) *NodeHandler {
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return &NodeHandler{
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service: service,
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}
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}
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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, gin.H{
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"error": "Bad Request",
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"message": "Node ID is required",
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})
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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, gin.H{
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"error": "Not Found",
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"message": "Node with ID '" + nodeID + "' not found",
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})
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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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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, gin.H{
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"error": "Bad Request",
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"message": "Node ID is required",
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})
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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, gin.H{
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"error": "Not Found",
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"message": "Node with ID '" + nodeID + "' not found",
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})
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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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