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#ifndef NEWSBEUTER_CACHE__H
#define NEWSBEUTER_CACHE__H
#include <sqlite3.h>
#include <rss.h>
#include <configcontainer.h>
#include <mutex>
namespace newsbeuter {
typedef std::pair<std::string, unsigned int> google_replay_pair;
enum { GOOGLE_MARK_READ = 1, GOOGLE_MARK_UNREAD = 2 };
class cache {
public:
cache(const std::string& cachefile, configcontainer * c);
~cache();
void externalize_rssfeed(std::shared_ptr<rss_feed> feed, bool reset_unread);
std::shared_ptr<rss_feed> internalize_rssfeed(std::string rssurl, rss_ignores * ign);
void update_rssitem_unread_and_enqueued(std::shared_ptr<rss_item> item, const std::string& feedurl);
void update_rssitem_unread_and_enqueued(rss_item* item, const std::string& feedurl);
void cleanup_cache(std::vector<std::shared_ptr<rss_feed>>& feeds);
void do_vacuum();
std::vector<std::shared_ptr<rss_item>> search_for_items(const std::string& querystr, const std::string& feedurl);
void catchup_all(const std::string& feedurl = "");
void catchup_all(std::shared_ptr<rss_feed> feed);
void update_rssitem_flags(rss_item* item);
std::vector<std::string> get_feed_urls();
void fetch_lastmodified(const std::string& uri, time_t& t, std::string& etag);
void update_lastmodified(const std::string& uri, time_t t, const std::string& etag);
unsigned int get_unread_count();
void mark_item_deleted(const std::string& guid, bool b);
void remove_old_deleted_items(const std::string& rssurl, const std::vector<std::string>& guids);
void mark_items_read_by_guid(const std::vector<std::string>& guids);
std::vector<std::string> get_read_item_guids();
void fetch_descriptions(rss_feed * feed);
void record_google_replay(const std::string& guid, unsigned int state);
std::vector<google_replay_pair> get_google_replay();
void delete_google_replay_by_guid(const std::vector<std::string>& guids);
private:
void populate_tables();
void set_pragmas();
void delete_item(const std::shared_ptr<rss_item> item);
void clean_old_articles();
void update_rssitem_unlocked(std::shared_ptr<rss_item> item, const std::string& feedurl, bool reset_unread);
std::string prepare_query(const char * format, ...);
sqlite3 * db;
configcontainer * cfg;
std::mutex mtx;
};
}
#endif
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