add user routes

db/db.go

@@ -2,6 +2,7 @@ package db
 
 import (
 	"encoding/json"
+	"fmt"
 	"os"
 	"sync"
 )
@@ -10,6 +11,13 @@ type Database struct {
 	Users map[string][]map[string]any `json:"Users"`
 }
 
+type UserIdType string
+
+const (
+	UserId UserIdType = "userId"
+	Bid    UserIdType = "bid"
+)
+
 var (
 	DB   Database
 	mu   sync.Mutex
@@ -45,3 +53,16 @@ func Save() {
 	os.WriteFile(tmp, data, 0644)
 	os.Rename(tmp, path)
 }
+
+func FindUser(id string, idType ...UserIdType) map[string]any {
+	key := UserId
+	if len(idType) > 0 {
+		key = idType[0]
+	}
+	for _, user := range DB.Users[os.Getenv("SERVER")] {
+		if fmt.Sprintf("%v", user[string(key)]) == id {
+			return user
+		}
+	}
+	return nil
+}