skeleton added

gates/storage/admin.go

@@ -0,0 +1,42 @@
+package storage
+
+import (
+	"context"
+	"database/sql"
+
+	"tgVideoCall/domain/admin/models"
+
+	sq "github.com/Masterminds/squirrel"
+)
+
+// Пытается получить админа по userID
+func (p *DB) GetAdmin(ctx context.Context, userID int) (models.Admin, error) {
+	const op = "gates.postgres.GetAdmin"
+	p.log.Debug(op, "Starting retrieving admin, for user: ", userID)
+
+	query := p.sq.Select("user_id", "role").
+		From("admins").
+		Where(sq.Eq{"user_id": userID})
+
+	qry, args, err := query.ToSql()
+	p.log.Debug(op, "Building query: ", qry, "args: ", args)
+	if err != nil {
+		p.log.Error(op, "Error building query: ", err)
+		return models.Admin{}, err
+	}
+
+	var result models.Admin
+	err = p.db.QueryRowxContext(ctx, qry, args...).StructScan(&result)
+
+	if err == sql.ErrNoRows {
+		p.log.Debug(op, "Admin does not exist, for user: ", userID)
+		return models.Admin{}, models.ErrNotAdmin
+	}
+	if err != nil {
+		p.log.Error(op, "Error retrieving admin: ", err)
+		return models.Admin{}, err
+	}
+
+	p.log.Debug(op, "Successfully retrieved admin for user: ", userID)
+	return result, nil
+}

gates/storage/migrations/1_admins.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS admins(
+    id SERIAL PRIMARY KEY,
+    user_id INT NOT NULL UNIQUE,
+    role VARCHAR(50) NOT NULL
+);
+
+-- Добавляем первого админа
+INSERT INTO admins (user_id, role) 
+SELECT '104186268', 'creator'
+WHERE NOT EXISTS (
+    SELECT 1 FROM admins WHERE user_id = '104186268'
+);
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS admins;
+-- +goose StatementEnd 

gates/storage/migrations/1_init.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+CREATE TABLE IF NOT EXISTS admins(
+    id SERIAL PRIMARY KEY,
+    user_id INT NOT NULL UNIQUE,
+    role VARCHAR(50) NOT NULL
+);
+
+-- Добавляем первого админа
+INSERT INTO admins (user_id, role) 
+SELECT '104186268', 'creator'
+WHERE NOT EXISTS (
+    SELECT 1 FROM admins WHERE user_id = '104186268'
+);
+-- +goose StatementEnd1_admins
+
+-- +goose Down
+-- +goose StatementBegin
+DROP TABLE IF EXISTS admins;
+-- +goose StatementEnd 

gates/storage/storage.go

@@ -0,0 +1,30 @@
+package storage
+
+import (
+	"log/slog"
+
+	sq "github.com/Masterminds/squirrel"
+	"github.com/bool64/sqluct"
+	"github.com/jmoiron/sqlx"
+)
+
+type DB struct {
+	db  *sqlx.DB
+	sq  sq.StatementBuilderType
+	sm  sqluct.Mapper
+	log slog.Logger
+}
+
+func NewPostgresDB(db *sqlx.DB, log slog.Logger) *DB {
+	dab := DB{
+		db:  db,
+		sm:  sqluct.Mapper{Dialect: sqluct.DialectPostgres},
+		sq:  sq.StatementBuilder.PlaceholderFormat(sq.Dollar),
+		log: log,
+	}
+	_, err := dab.db.Exec("SET timezone TO 'UTC'")
+	if err != nil {
+		panic(err)
+	}
+	return &dab
+}