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https://github.com/aaronpo97/the-biergarten-app.git
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61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
#ifndef BIERGARTEN_PIPELINE_INCLUDES_SERVICES_DATABASE_SQLITE_EXPORT_SERVICE_H_
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#define BIERGARTEN_PIPELINE_INCLUDES_SERVICES_DATABASE_SQLITE_EXPORT_SERVICE_H_
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/**
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* @file services/database/sqlite_export_service.h
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* @brief SQLite-backed export service for generated brewery data.
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*/
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#include <filesystem>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include "data_model/models.h"
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#include "../datetime/date_time_provider.h"
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#include "export_service.h"
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#include "sqlite_export_service_helpers.h"
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/**
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* @brief Persists generated brewery records into a fresh SQLite database.
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*/
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class SqliteExportService final : public IExportService {
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public:
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explicit SqliteExportService(const ApplicationOptions& options);
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~SqliteExportService() override;
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SqliteExportService(const SqliteExportService&) = delete;
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SqliteExportService& operator=(const SqliteExportService&) = delete;
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SqliteExportService(SqliteExportService&&) = delete;
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SqliteExportService& operator=(SqliteExportService&&) = delete;
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void Initialize() override;
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uint64_t ProcessRecord(const GeneratedBrewery& brewery) override;
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void Finalize() override;
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private:
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using SqliteDatabaseHandle =
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sqlite_export_service_internal::SqliteDatabaseHandle;
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using SqliteStatementHandle =
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sqlite_export_service_internal::SqliteStatementHandle;
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void InitializeSchema() const;
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void PrepareStatements();
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void RollbackAndCloseNoThrow() noexcept;
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[[nodiscard]] std::filesystem::path BuildDatabasePath() const;
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[[nodiscard]] static std::string BuildLocationKey(const Location& location);
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std::unique_ptr<IDateTimeProvider> date_time_provider_;
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std::filesystem::path output_path_;
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std::string run_timestamp_utc_;
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std::filesystem::path database_path_;
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SqliteDatabaseHandle db_handle_;
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SqliteStatementHandle insert_location_stmt_;
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SqliteStatementHandle insert_brewery_stmt_;
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bool transaction_open_ = false;
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std::unordered_map<std::string, sqlite3_int64> location_cache_;
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};
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#endif // BIERGARTEN_PIPELINE_INCLUDES_SERVICES_DATABASE_SQLITE_EXPORT_SERVICE_H_
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