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#include <iostream>
#include <unistd.h>
#include <math.h>
#include "strmanip.h"
#include "immsdb.h"
#include "utils.h"
using std::endl;
using std::cerr;
BasicDb::BasicDb()
{
sql_set_pragma();
}
BasicDb::~BasicDb()
{
try {
Q q("DELETE FROM 'Journal' WHERE time < ?;");
q << time(0) - 30 * DAY ;
q.execute();
}
WARNIFFAILED();
}
void BasicDb::sql_set_pragma()
{
try {
QueryCacheDisabler qdb;
Q("PRAGMA cache_size = 5000").execute();
//Q("PRAGMA synchronous = OFF;").execute();
Q("PRAGMA temp_store = MEMORY;").execute();
}
WARNIFFAILED();
}
void BasicDb::sql_create_v7_tables()
{
QueryCacheDisabler qcd;
RuntimeErrorBlocker reb;
try
{
Q("CREATE TABLE 'Library' ("
"'uid' INTEGER NOT NULL, "
"'sid' INTEGER DEFAULT -1, "
"'path' VARCHAR(4096) UNIQUE NOT NULL, "
"'modtime' TIMESTAMP NOT NULL, "
"'checksum' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Rating' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'rating' INTEGER NOT NULL);").execute();
Q("CREATE TABLE 'Acoustic' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'spectrum' TEXT, 'bpm' TEXT);").execute();
Q("CREATE TABLE 'Info' ("
"'sid' INTEGER UNIQUE NOT NULL,"
"'artist' TEXT NOT NULL, "
"'title' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Last' ("
"'sid' INTEGER UNIQUE NOT NULL, "
"'last' TIMESTAMP);").execute();
Q("CREATE TABLE 'Journal' ("
"'uid' INTEGER NOT NULL, "
"'delta' INTEGER NOT NULL, "
"'time' TIMESTAMP NOT NULL);").execute();
}
WARNIFFAILED();
}
void BasicDb::sql_create_v8_tables()
{
QueryCacheDisabler qcd;
RuntimeErrorBlocker reb;
try
{
Q("CREATE TABLE 'Identify' ("
"'path' VARCHAR(4096) UNIQUE NOT NULL, "
"'uid' INTEGER NOT NULL, "
"'modtime' TIMESTAMP NOT NULL, "
"'checksum' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Library' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'sid' INTEGER DEFAULT -1, "
"'playcounter' INTEGER DEFAULT 0, "
"'lastseen' TIMESTAMP DEFAULT 0, "
"'firstseen' TIMESTAMP DEFAULT 0);").execute();
Q("CREATE TABLE 'Rating' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'rating' INTEGER NOT NULL, "
"'trend' INTEGER DEFAULT 0);").execute();
Q("CREATE TABLE 'Acoustic' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'spectrum' TEXT, 'bpm' TEXT);").execute();
Q("CREATE TABLE 'Info' ("
"'sid' INTEGER UNIQUE NOT NULL,"
"'artist' TEXT NOT NULL, "
"'title' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Last' ("
"'sid' INTEGER UNIQUE NOT NULL, "
"'last' TIMESTAMP);").execute();
Q("CREATE TABLE 'Journal' ("
"'uid' INTEGER NOT NULL, "
"'delta' INTEGER NOT NULL, "
"'time' TIMESTAMP NOT NULL);").execute();
}
WARNIFFAILED();
}
void BasicDb::sql_create_tables()
{
QueryCacheDisabler qcd;
RuntimeErrorBlocker reb;
try
{
Q("CREATE TABLE 'Identify' ("
"'path' VARCHAR(4096) UNIQUE NOT NULL, "
"'uid' INTEGER NOT NULL, "
"'modtime' TIMESTAMP NOT NULL, "
"'checksum' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Library' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'sid' INTEGER DEFAULT -1, "
"'playcounter' INTEGER DEFAULT 0, "
"'lastseen' TIMESTAMP DEFAULT 0, "
"'firstseen' TIMESTAMP DEFAULT 0);").execute();
Q("CREATE TABLE 'Rating' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'rating' INTEGER NOT NULL, "
"'trend' INTEGER DEFAULT 0);").execute();
Q("CREATE TABLE 'Acoustic' ("
"'uid' INTEGER UNIQUE NOT NULL, "
"'spectrum' TEXT, 'bpm' TEXT);").execute();
Q("CREATE TABLE 'Info' ("
"'sid' INTEGER UNIQUE NOT NULL,"
"'aid' INTEGER NOT NULL, "
"'title' TEXT NOT NULL);").execute();
Q("CREATE TABLE 'Artists' ("
"'aid' INTEGER PRIMARY KEY,"
"'artist' TEXT UNIQUE NOT NULL, "
"'readable' TEXT UNIQUE, "
"'trust' INTEGER DEFAULT 0);").execute();
Q("CREATE TABLE 'Last' ("
"'sid' INTEGER UNIQUE NOT NULL, "
"'last' TIMESTAMP);").execute();
Q("CREATE TABLE 'Journal' ("
"'uid' INTEGER NOT NULL, "
"'delta' INTEGER NOT NULL, "
"'time' TIMESTAMP NOT NULL);").execute();
}
WARNIFFAILED();
}
int BasicDb::avg_rating(const string &artist, const string &title)
{
try
{
if (title != "")
{
Q q("SELECT avg(rating) FROM Library AS L "
"INNER JOIN Info AS I ON L.sid = I.sid "
"INNER JOIN Rating AS R ON L.uid = R.uid "
"INNER JOIN Artists AS A ON I.aid = A.aid "
"WHERE A.artist = ? AND I.title = ?;");
q << artist << title;
if (q.next())
{
int avg;
q >> avg;
return avg;
}
}
if (artist != "")
{
Q q("SELECT avg(rating) FROM Library AS L"
"INNER JOIN Info AS I on L.sid = I.sid "
"INNER JOIN Rating AS R ON R.uid = L.uid "
"INNER JOIN Artists AS A ON I.aid = A.aid "
"WHERE A.artist = ?;");
q << artist;
if (q.next())
{
int avg;
q >> avg;
if (avg)
return std::min(std::max(avg, 90), 115);
}
}
}
WARNIFFAILED();
return -1;
}
int BasicDb::avg_playcounter()
{
static int playcounter = -1;
if (playcounter != -1)
return playcounter;
try
{
Q q("SELECT avg(playcounter) from Library;");
if (q.next())
q >> playcounter;
}
WARNIFFAILED();
return playcounter;
}
bool BasicDb::check_artist(string &artist)
{
try
{
Q q("SELECT artist FROM Artists WHERE similar(artist, ?);");
q << artist;
if (q.next())
{
q >> artist;
return true;
}
}
WARNIFFAILED();
return false;
}
bool BasicDb::check_title(const string &artist, string &title)
{
try
{
Q q("SELECT title FROM Info NATURAL INNER JOIN Artists "
"WHERE artist = ? AND similar(title, ?)");
q << artist << title;
if (q.next())
{
q >> title;
return true;
}
}
WARNIFFAILED();
return false;
}
void BasicDb::sql_schema_upgrade(int from)
{
QueryCacheDisabler qcd;
try
{
AutoTransaction a;
if (from < 4)
{
// Backup the existing tables
Q("CREATE TEMP TABLE Library_backup "
"AS SELECT * FROM Library;").execute();
Q("DROP TABLE Library;").execute();
// Create new tables
sql_create_v7_tables();
// Copy the data into new tables, and drop the backups
Q("INSERT INTO Library (uid, sid, path, modtime, checksum) "
"SELECT uid, sid, path, modtime, checksum "
"FROM Library_backup;").execute();
Q("DROP TABLE Library_backup;").execute();
}
if (from < 7)
{
Q("DROP TABLE Acoustic;").execute();
}
if (from < 8)
{
// Backup the existing tables
Q("CREATE TEMP TABLE Library_backup "
"AS SELECT * FROM Library;").execute();
Q("DROP TABLE Library;").execute();
// Backup the existing tables
Q("CREATE TEMP TABLE Rating_backup "
"AS SELECT * FROM Rating;").execute();
Q("DROP TABLE Rating;").execute();
// Create new tables
sql_create_v8_tables();
Q("INSERT INTO Rating (uid, rating) "
"SELECT uid, rating FROM Rating_backup;").execute();
Q("DROP TABLE Rating_backup;").execute();
Q("INSERT INTO Identify (path, uid, modtime, checksum) "
"SELECT path, uid, modtime, checksum "
"FROM Library_backup;").execute();
Q("INSERT OR REPLACE INTO Library "
"(uid, sid, playcounter, lastseen, firstseen) "
"SELECT uid, sid, 10, ?, ? FROM Library_backup;")
<< time(0) << time(0) << execute;
Q("DROP TABLE Library_backup;").execute();
}
if (from < 9)
{
// Backup the existing tables
Q("CREATE TEMP TABLE Info_backup "
"AS SELECT * FROM Info;").execute();
Q("DROP TABLE Info;").execute();
// Create new tables
sql_create_tables();
Q("INSERT INTO Artists (artist) "
"SELECT DISTINCT(artist) FROM Info_backup;").execute();
Q("INSERT INTO Info SELECT sid, aid, title "
"FROM Info_backup INNER JOIN Artists "
"ON Info_backup.artist = Artists.artist").execute();
}
a.commit();
}
WARNIFFAILED();
}
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