Add saving user, add nonpersistant register login handling

database.go

@@ -3,9 +3,8 @@ package main
 import (
 	"context"
 
-	//"golang.org/x/crypto/bcrypt"
-
 	"github.com/jackc/pgx/v5"
+	"golang.org/x/crypto/bcrypt"
 )
 
 var dbConn *pgx.Conn
@@ -21,6 +20,7 @@ func InitDatabase(ctx context.Context) {
 		    id SERIAL PRIMARY KEY,
 		    name VARCHAR(20) UNIQUE NOT NULL,
 		    pass_hash VARCHAR(60) NOT NULL,
+		    pronouns VARCHAR(15) DEFAULT NULL,
 		    color VARCHAR(3) DEFAULT NULL
 		);
 		CREATE TABLE IF NOT EXISTS chat_groups (
@@ -45,3 +45,24 @@ func InitDatabase(ctx context.Context) {
 
 	dbConn = conn
 }
+
+func SaveClientWithoutGroups(ctx context.Context, client *Client) error {
+	var id uint64
+	var err error
+
+	var hashed []byte
+	hashed, err = bcrypt.GenerateFromPassword([]byte(client.PasswordHash), bcrypt.DefaultCost)
+	if err != nil {
+		return err
+	}
+
+	password := string(hashed)
+
+	c := string(client.Color[:])
+	err = dbConn.QueryRow(ctx, `
+        INSERT INTO users (name, pass_hash, pronouns, color)
+        VALUES ($1, $2, $3)
+        RETURNING id
+    `, client.Name, password, client.Pronouns, c).Scan(&id)
+	return err
+}