Copied over SWAssistant and CDR backend

Started converting them to new backend

internal/swassistant/main.go

@@ -0,0 +1,69 @@
+package swassistant
+
+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 SWBackend struct {
+	back *backend.Backend
+	db   *mongo.Database
+}
+
+func NewSWBackend(back *backend.Backend, db *mongo.Database) *SWBackend {
+	go func() {
+		for range time.Tick(time.Hour) {
+			log.Println("SWAssistant: Deleting expired profiles")
+			res, err := db.Collection("profiles").DeleteMany(context.TODO(), bson.M{"expiration": bson.M{"$lt": time.Now().Unix()}})
+			if err == mongo.ErrNoDocuments {
+				continue
+			}
+			log.Println("SWAssistant: Deleted", res.DeletedCount, "profiles")
+		}
+	}()
+	return &SWBackend{
+		back: back,
+		db:   db,
+	}
+}
+
+func (s *SWBackend) AppID() string {
+	return "swassistant"
+}
+
+func (s *SWBackend) CountTable() backend.CountTable {
+	return db.NewMongoTable[backend.CountLog](s.db.Collection("logs"))
+}
+
+func (s *SWBackend) CrashTable() backend.CrashTable {
+	return db.NewMongoCrashTable(s.db.Collection("crashes"), s.db.Collection("crashArchive"))
+}
+
+func (s *SWBackend) AddCrash(cr backend.IndividualCrash) bool {
+	res := s.db.Collection("versions").FindOne(context.TODO(), bson.M{"version": cr.Version})
+	return res.Err() != mongo.ErrNoDocuments
+}
+
+func (s *SWBackend) Extension(mux *http.ServeMux) {
+	mux.HandleFunc("GET /swa/room", s.ListRooms)
+	mux.HandleFunc("POST /swa/room", s.NewRoom)
+	mux.HandleFunc("GET /swa/room/{roomID}", s.GetRoom)
+
+	mux.HandleFunc("POST /swa/profile", s.UploadProfile)
+	mux.HandleFunc("GET /swa/profile/{profileID}", s.GetProfile)
+
+	//Legacy (TODO: remove this after a month or two after the applciation gets updated)
+	mux.HandleFunc("GET /room/list", s.ListRooms)
+	mux.HandleFunc("POST /room/new", s.NewRoom)
+	mux.HandleFunc("GET /room/{roomID}", s.GetRoom)
+
+	mux.HandleFunc("POST /profile/upload", s.UploadProfile)
+	mux.HandleFunc("GET /profile/{profileID}", s.GetProfile)
+}