Init with working version

Basic demo for Tally X AutoIxpert integration to showcase setup in
Go due to impossibility of open-sourcing n8n setup.

main.go

@@ -0,0 +1,92 @@
+package main
+
+import (
+	"encoding/json"
+	_ "image/jpeg"
+	_ "image/png"
+	"log/slog"
+	"net/http"
+	"os"
+
+	"git.kornbrand.biz/plankalkul/autoixpert-sample/pkg/models"
+)
+
+type Config struct {
+	Port      string `json:"port"`
+	APIBase   string `json:"api_base"`
+	APIKey    string `json:"api_key"`
+	SecretKey string `json:"secret_key"`
+}
+
+var cfg Config
+
+type imageWithMeta struct {
+	Data []byte
+	Meta models.ImageMetaRequest
+}
+
+func main() {
+
+	slog.Info("Starting AutoIxpert Sample App")
+
+	config, err := os.Open("config.json")
+	if err != nil {
+		slog.Error("Failed to open config file", "error", err)
+		os.Exit(1)
+	}
+
+	defer config.Close()
+
+	if err := json.NewDecoder(config).Decode(&cfg); err != nil {
+		slog.Error("Failed to decode config file", "error", err)
+		os.Exit(1)
+	}
+
+	http.HandleFunc("POST /", handle)
+
+	slog.Info("Server is listening on port " + cfg.Port)
+	if err := http.ListenAndServe(cfg.Port, nil); err != nil {
+		slog.Error("Listen and serve failed", "error", err)
+		os.Exit(1)
+	}
+}
+
+func handle(w http.ResponseWriter, r *http.Request) {
+
+	slog.Info("Received request on /")
+
+	defer r.Body.Close()
+
+	header := r.Header.Get("X-API-Key")
+	if header != cfg.SecretKey {
+		slog.Warn("Unauthorized request received")
+		http.Error(w, "unauthorized", http.StatusUnauthorized)
+		return
+	}
+
+	var req models.Webhook
+
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		slog.Error("Failed to decode request body", "error", err)
+		http.Error(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+
+	report := req.ToCrashReport()
+
+	id, err := createReport(report)
+	if err != nil {
+		slog.Error("Failed to create report", "eventID", report.EventID, "error", err)
+		http.Error(w, "failed to create report", http.StatusInternalServerError)
+		return
+	}
+
+	err = uploadImages(report.Images, id, report.EventID)
+	if err != nil {
+		slog.Error("Failed to upload images", "eventID", report.EventID, "error", err)
+		http.Error(w, "failed to upload images", http.StatusInternalServerError)
+		return
+	}
+
+	w.WriteHeader(http.StatusOK)
+}