Copied over SWAssistant and CDR backend

Started converting them to new backend

internal/cdr/backend.go

@@ -0,0 +1,61 @@
+package cdr
+
+import (
+	"context"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/CalebQ42/darkstorm-server/internal/backend"
+	"github.com/CalebQ42/darkstorm-server/internal/backend/db"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type CDRBackend struct {
+	back *backend.Backend
+	db   *mongo.Database
+}
+
+func NewBackend(back *backend.Backend, db *mongo.Database) *CDRBackend {
+	go func() {
+		for range time.Tick(time.Hour) {
+			log.Println("CDR: Deleting expired dice")
+			res, err := db.Collection("profiles").DeleteMany(context.TODO(), bson.M{"expiration": bson.M{"$lt": time.Now().Unix()}})
+			if err == mongo.ErrNoDocuments {
+				continue
+			}
+			log.Println("CDR: Deleted", res.DeletedCount, "dice")
+		}
+	}()
+	return &CDRBackend{
+		back: back,
+		db:   db,
+	}
+}
+
+func (b CDRBackend) AppID() string {
+	return "cdr"
+}
+
+func (b CDRBackend) CountTable() backend.CountTable {
+	return db.NewMongoTable[backend.CountLog](b.db.Collection("logs"))
+}
+
+func (b CDRBackend) CrashTable() backend.CrashTable {
+	return db.NewMongoCrashTable(b.db.Collection("crashes"), b.db.Collection("crashArchive"))
+}
+
+func (s CDRBackend) AddCrash(cr backend.IndividualCrash) bool {
+	res := s.db.Collection("versions").FindOne(context.TODO(), bson.M{"version": cr.Version})
+	return res.Err() != mongo.ErrNoDocuments
+}
+
+func (b CDRBackend) Extension(mux *http.ServeMux) {
+	mux.HandleFunc("POST /cdr/die", b.UploadDie)
+	mux.HandleFunc("GET /cdr/die/{dieID}", b.GetDie)
+
+	//Legacy (TODO: remove this after a month or two after the applciation gets updated)
+	mux.HandleFunc("POST /upload", b.UploadDie)
+	mux.HandleFunc("GET /die/{dieID}", b.GetDie)
+}