general cleanup - removed old comments, enforced naming conventions etc

backend/internal/models/notification_config.go

@@ -0,0 +1,101 @@
+package models
+
+import (
+	"context"
+	"errors"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgxpool"
+	"github.com/kjannette/koin-ping/backend/internal/domain"
+)
+
+type NotificationConfigModel struct {
+	pool *pgxpool.Pool
+}
+
+func NewNotificationConfigModel(pool *pgxpool.Pool) *NotificationConfigModel {
+	return &NotificationConfigModel{pool: pool}
+}
+
+func (m *NotificationConfigModel) GetConfig(ctx context.Context, userID string) (*domain.NotificationConfig, error) {
+	var c domain.NotificationConfig
+	err := m.pool.QueryRow(ctx,
+		`SELECT user_id, discord_webhook_url, telegram_chat_id, telegram_bot_token,
+		        email, slack_webhook_url, notification_enabled, created_at, updated_at
+		 FROM user_notification_configs
+		 WHERE user_id = $1`,
+		userID,
+	).Scan(&c.UserID, &c.DiscordWebhookURL, &c.TelegramChatID, &c.TelegramBotToken,
+		&c.Email, &c.SlackWebhookURL, &c.NotificationEnabled, &c.CreatedAt, &c.UpdatedAt)
+	if err != nil {
+		if errors.Is(err, pgx.ErrNoRows) {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &c, nil
+}
+
+func (m *NotificationConfigModel) UpsertConfig(ctx context.Context, userID string, cfg domain.NotificationConfig) (*domain.NotificationConfig, error) {
+	var c domain.NotificationConfig
+	err := m.pool.QueryRow(ctx,
+		`INSERT INTO user_notification_configs
+		   (user_id, discord_webhook_url, telegram_chat_id, telegram_bot_token,
+		    email, slack_webhook_url, notification_enabled, updated_at)
+		 VALUES ($1, $2, $3, $4, $5, $6, $7, NOW())
+		 ON CONFLICT (user_id)
+		 DO UPDATE SET
+		   discord_webhook_url = $2,
+		   telegram_chat_id = $3,
+		   telegram_bot_token = $4,
+		   email = $5,
+		   slack_webhook_url = $6,
+		   notification_enabled = $7,
+		   updated_at = NOW()
+		 RETURNING user_id, discord_webhook_url, telegram_chat_id, telegram_bot_token,
+		           email, slack_webhook_url, notification_enabled, created_at, updated_at`,
+		userID, cfg.DiscordWebhookURL, cfg.TelegramChatID, cfg.TelegramBotToken,
+		cfg.Email, cfg.SlackWebhookURL, cfg.NotificationEnabled,
+	).Scan(&c.UserID, &c.DiscordWebhookURL, &c.TelegramChatID, &c.TelegramBotToken,
+		&c.Email, &c.SlackWebhookURL, &c.NotificationEnabled, &c.CreatedAt, &c.UpdatedAt)
+	if err != nil {
+		return nil, err
+	}
+	return &c, nil
+}
+
+func (m *NotificationConfigModel) Remove(ctx context.Context, userID string) (bool, error) {
+	tag, err := m.pool.Exec(ctx,
+		`DELETE FROM user_notification_configs WHERE user_id = $1`,
+		userID,
+	)
+	if err != nil {
+		return false, err
+	}
+	return tag.RowsAffected() > 0, nil
+}
+
+func (m *NotificationConfigModel) ListEnabled(ctx context.Context) ([]domain.NotificationConfig, error) {
+	rows, err := m.pool.Query(ctx,
+		`SELECT user_id, discord_webhook_url, telegram_chat_id, telegram_bot_token,
+		        email, slack_webhook_url
+		 FROM user_notification_configs
+		 WHERE notification_enabled = TRUE`,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var configs []domain.NotificationConfig
+	for rows.Next() {
+		var c domain.NotificationConfig
+		if err := rows.Scan(&c.UserID, &c.DiscordWebhookURL, &c.TelegramChatID,
+			&c.TelegramBotToken, &c.Email, &c.SlackWebhookURL); err != nil {
+			return nil, err
+		}
+		c.NotificationEnabled = true
+		configs = append(configs, c)
+	}
+	return configs, rows.Err()
+}