enhance implementation

server/handler/getIncident.go

@@ -1,6 +1,9 @@
 package handler
 
 import (
+	"database/sql"
+	"encoding/json"
+	"errors"
 	"fmt"
 	"net/http"
 	"strings"
@@ -8,8 +11,9 @@ import (
 
 // GetIncident responds to the link generated in the response to a New Snow
 func (h *Handler) GetIncident(w http.ResponseWriter, r *http.Request) {
-	h.Logger.Debug("GetIncident Request received", "method", r.Method, "path", r.URL.Path)
-	// TODO
+	h.Logger.Debug("GetIncident Request received", "method", r.Method, "url", r.URL, "path", r.URL.Path, "query", r.URL.Query())
+
+	ctx := r.Context()
 
 	path := r.URL.Path
 	// Expected format: /api/now/table/incident/{id}
@@ -30,17 +34,54 @@ func (h *Handler) GetIncident(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if len(parts) == 6 && strings.HasPrefix(path, "/api/now/table/incident/") {
-		// Requested a single incident
-		id := parts[5] // Extract {id}
-		h.Logger.Debug("GetIncident called for specific incident", "id", id)
+
+		// Handle the specific 'number' query parameter
+		number := query.Get("number")
+		if number != "" {
+			h.Logger.Debug("GetIncident called for specific incident number", "number", number)
+
+			// Query record from database and return that
+
+		} else {
+			// Requested a single incident
+			id := parts[5] // Extract {id}
+			h.Logger.Debug("GetIncident called for specific incident", "id", id)
+
+			incResult, err := h.Database.Queries().GetIncident(ctx, nullStr(number))
+			if err != nil {
+				if errors.Is(err, sql.ErrNoRows) {
+					h.Logger.Debug("No incident record found", "number", number)
+				} else {
+					h.Logger.Error("Unable to query database for incident number", "error", err)
+					//return err
+				}
+			}
+
+			b, err := json.Marshal(incResult)
+			if err != nil {
+				h.Logger.Error("Unable to convert database record into json", "error", err)
+				w.Header().Set("Content-Type", "application/json")
+				w.WriteHeader(http.StatusInternalServerError)
+				json.NewEncoder(w).Encode(map[string]string{
+					"status":  "ERROR",
+					"message": fmt.Sprintf("Unable to convert database record into json: '%s'", err),
+				})
+				return
+			}
+			w.Header().Set("Content-Type", "application/json")
+			w.WriteHeader(http.StatusOK)
+			fmt.Fprintf(w, string(b))
+			return
+		}
+
 	} else if strings.HasPrefix(path, "/api/now/table/incident") {
 		h.Logger.Debug("GetIncident called for list of incidents")
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprintf(w, "{\"result\": [{}]}")
 
 	}
 
 	// TODO - provide an incident list if necessary
 
-	w.Header().Set("Content-Type", "application/json")
-	w.WriteHeader(http.StatusOK)
-	fmt.Fprintf(w, "{\"result\": [{}]}")
 }