feat: room manager and pushed to login page route

rooms/rooms_manager.go

@@ -3,6 +3,7 @@ package rooms
 import (
 	"context"
 	"encoding/json"
+	"fmt"
 	"log"
 
 	"github.com/redis/go-redis/v9"
@@ -15,9 +16,8 @@ type Person struct {
 }
 
 type Room struct {
-	RoomId       int64
+	Name         string // will be unique ID
 	AdminIds     []int64
-	Name         string
 	PasswordHash string
 	Paricipants  []Person
 	// TODO hands, for each type of hand?
@@ -39,45 +39,32 @@ func (r *Room) UnmarshalBinary(data []byte) error {
 
 var ctx = context.Background()
 
+type RoomManager interface {
+	Get(roomName string) (Room, error) // but we need Get by name
+	Save(room Room) error
+}
+const roomRedisPrefix = "room"
+func roomNameToRedisId(roomName string) string {
+	return fmt.Sprintf("%s:%s", roomRedisPrefix, roomName)
+}
+
+
 type RedisRM struct {
 	Rdb *redis.Client
 }
 
-func (redisRM RedisRM) Test() {
-	testRoom := Room{
-		RoomId:       1234,
-		AdminIds:     []int64{1111, 2222},
-		Name:         "test room",
-		PasswordHash: "abcde",
-		Paricipants: []Person{
-			{PersonId: 1111,
-				Name:         "admin1",
-				PasswordHash: "abcde1",
-			},
-			{
-				PersonId:     2222,
-				Name:         "admin2",
-				PasswordHash: "abcdeee",
-			},
-			{
-				PersonId:     3333,
-				Name:         "nonadmin yay",
-				PasswordHash: "abcdee123",
-			},
-		},
-	}
-	err := redisRM.Rdb.Set(ctx, "room:my-room-1", &testRoom, 0).Err()
+func (redisRM RedisRM) Get(roomName string) (Room, error) {
+	var readRoom Room
+	err := redisRM.Rdb.Get(ctx, roomNameToRedisId(roomName)).Scan(&readRoom)
 	if err != nil {
-		log.Printf("error writing room: %s", err)
-	} else {
-		log.Printf("successfully written room %d", testRoom.RoomId)
+		log.Printf("error reading room with id %s : %s", roomName, err)
+		return Room{}, err
 	}
 
-	var readRoom Room
-	err = redisRM.Rdb.Get(ctx, "room:my-room-1").Scan(&readRoom)
-	if err != nil {
-		log.Printf("error reading room %s", err)
-	} else {
-		log.Printf("successfully read room %+v", readRoom)
-	}
+	return readRoom, nil
+}
+
+func (redisRM RedisRM) Save(room Room) error {
+	err := redisRM.Rdb.Set(ctx, roomNameToRedisId(room.Name), room, 0).Err() // maybe even set expiration?
+	return err
 }