mirror of
https://github.com/andwati/telecom-platform.git
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nutcas3
6d0c0ced1b
- Add ChargingHandler struct with ChargingEngineClient dependency - Add NewChargingHandler constructor - Add CheckCredit endpoint to validate sufficient credit for requested bytes - Add GetBalance endpoint to retrieve current balance for an IP - Add AddCredit endpoint to add bytes to an IP's credit - Add DeductCredit endpoint to deduct bytes from an IP's credit - Add IP parameter validation and JSON request binding
113 lines
2.8 KiB
Go
113 lines
2.8 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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"github.com/nutcas3/telecom-platform/apps/api-server/internal/services"
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)
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// ChargingHandler handles charging engine integration
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type ChargingHandler struct {
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engineClient *services.ChargingEngineClient
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}
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// NewChargingHandler creates a new charging handler
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func NewChargingHandler(engineClient *services.ChargingEngineClient) *ChargingHandler {
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return &ChargingHandler{
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engineClient: engineClient,
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}
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}
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// CheckCredit checks if an IP has sufficient credit
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func (h *ChargingHandler) CheckCredit(c *gin.Context) {
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ip := c.Param("ip")
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if ip == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "IP address is required"})
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return
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}
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var req struct {
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BytesRequested uint64 `json:"bytes_requested" binding:"required"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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result, err := h.engineClient.CheckCredit(c.Request.Context(), ip, req.BytesRequested)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, result)
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}
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// GetBalance gets the current balance for an IP
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func (h *ChargingHandler) GetBalance(c *gin.Context) {
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ip := c.Param("ip")
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if ip == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "IP address is required"})
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return
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}
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result, err := h.engineClient.GetBalance(c.Request.Context(), ip)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, result)
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}
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// AddCredit adds credit to an IP
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func (h *ChargingHandler) AddCredit(c *gin.Context) {
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ip := c.Param("ip")
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if ip == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "IP address is required"})
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return
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}
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var req struct {
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BytesToAdd uint64 `json:"bytes_to_add" binding:"required"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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err := h.engineClient.AddCredit(c.Request.Context(), ip, req.BytesToAdd)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"status": "success"})
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}
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// DeductCredit deducts credit from an IP
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func (h *ChargingHandler) DeductCredit(c *gin.Context) {
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ip := c.Param("ip")
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if ip == "" {
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c.JSON(http.StatusBadRequest, gin.H{"error": "IP address is required"})
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return
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}
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var req struct {
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BytesUsed uint64 `json:"bytes_used" binding:"required"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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err := h.engineClient.DeductCredit(c.Request.Context(), ip, req.BytesUsed)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"status": "success"})
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}
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