Move internal packages to an internal folder

For reference: https://go.dev/doc/go1.4#internalpackages

storage/api_key.go

@@ -1,103 +0,0 @@
-// SPDX-FileCopyrightText: Copyright The Miniflux Authors. All rights reserved.
-// SPDX-License-Identifier: Apache-2.0
-
-package storage // import "miniflux.app/v2/storage"
-
-import (
-	"fmt"
-
-	"miniflux.app/v2/model"
-)
-
-// APIKeyExists checks if an API Key with the same description exists.
-func (s *Storage) APIKeyExists(userID int64, description string) bool {
-	var result bool
-	query := `SELECT true FROM api_keys WHERE user_id=$1 AND lower(description)=lower($2) LIMIT 1`
-	s.db.QueryRow(query, userID, description).Scan(&result)
-	return result
-}
-
-// SetAPIKeyUsedTimestamp updates the last used date of an API Key.
-func (s *Storage) SetAPIKeyUsedTimestamp(userID int64, token string) error {
-	query := `UPDATE api_keys SET last_used_at=now() WHERE user_id=$1 and token=$2`
-	_, err := s.db.Exec(query, userID, token)
-	if err != nil {
-		return fmt.Errorf(`store: unable to update last used date for API key: %v`, err)
-	}
-
-	return nil
-}
-
-// APIKeys returns all API Keys that belongs to the given user.
-func (s *Storage) APIKeys(userID int64) (model.APIKeys, error) {
-	query := `
-		SELECT
-			id, user_id, token, description, last_used_at, created_at
-		FROM
-			api_keys
-		WHERE
-			user_id=$1
-		ORDER BY description ASC
-	`
-	rows, err := s.db.Query(query, userID)
-	if err != nil {
-		return nil, fmt.Errorf(`store: unable to fetch API Keys: %v`, err)
-	}
-	defer rows.Close()
-
-	apiKeys := make(model.APIKeys, 0)
-	for rows.Next() {
-		var apiKey model.APIKey
-		if err := rows.Scan(
-			&apiKey.ID,
-			&apiKey.UserID,
-			&apiKey.Token,
-			&apiKey.Description,
-			&apiKey.LastUsedAt,
-			&apiKey.CreatedAt,
-		); err != nil {
-			return nil, fmt.Errorf(`store: unable to fetch API Key row: %v`, err)
-		}
-
-		apiKeys = append(apiKeys, &apiKey)
-	}
-
-	return apiKeys, nil
-}
-
-// CreateAPIKey inserts a new API key.
-func (s *Storage) CreateAPIKey(apiKey *model.APIKey) error {
-	query := `
-		INSERT INTO api_keys
-			(user_id, token, description)
-		VALUES
-			($1, $2, $3)
-		RETURNING
-			id, created_at
-	`
-	err := s.db.QueryRow(
-		query,
-		apiKey.UserID,
-		apiKey.Token,
-		apiKey.Description,
-	).Scan(
-		&apiKey.ID,
-		&apiKey.CreatedAt,
-	)
-	if err != nil {
-		return fmt.Errorf(`store: unable to create category: %v`, err)
-	}
-
-	return nil
-}
-
-// RemoveAPIKey deletes an API Key.
-func (s *Storage) RemoveAPIKey(userID, keyID int64) error {
-	query := `DELETE FROM api_keys WHERE id = $1 AND user_id = $2`
-	_, err := s.db.Exec(query, keyID, userID)
-	if err != nil {
-		return fmt.Errorf(`store: unable to remove this API Key: %v`, err)
-	}
-
-	return nil
-}