public InventoryManager(IDbConnection db)
{
database = db;
var table = new SqlTable("Inventory",
new SqlColumn("Account", MySqlDbType.Int32) {Primary = true},
new SqlColumn("MaxHealth", MySqlDbType.Int32),
new SqlColumn("MaxMana", MySqlDbType.Int32),
new SqlColumn("Inventory", MySqlDbType.Text)
);
var creator = new SqlTableCreator(db,
db.GetSqlType() == SqlType.Sqlite
? (IQueryBuilder) new SqliteQueryCreator()
: new MysqlQueryCreator());
creator.EnsureExists(table);
}
public RememberedPosManager(IDbConnection db)
{
database = db;
var table = new SqlTable("RememberedPos",
new SqlColumn("Name", MySqlDbType.VarChar, 50) {Primary = true},
new SqlColumn("IP", MySqlDbType.Text),
new SqlColumn("X", MySqlDbType.Int32),
new SqlColumn("Y", MySqlDbType.Int32),
new SqlColumn("WorldID", MySqlDbType.Text)
);
var creator = new SqlTableCreator(db,
db.GetSqlType() == SqlType.Sqlite
? (IQueryBuilder) new SqliteQueryCreator()
: new MysqlQueryCreator());
creator.EnsureExists(table);
}
/// <summary>
/// Alter a table from source to destination
/// </summary>
/// <param name="from">Must have name and column names. Column types are not required</param>
/// <param name="to">Must have column names and column types.</param>
/// <returns></returns>
public string AlterTable(SqlTable from, SqlTable to)
{
/*
* Any example outpuf from this looks like:-
ALTER TABLE "main"."Bans" RENAME TO "oXHFcGcd04oXHFcGcd04_Bans"
CREATE TABLE "main"."Bans" ("IP" TEXT PRIMARY KEY ,"Name" TEXT)
INSERT INTO "main"."Bans" SELECT "IP","Name" FROM "main"."oXHFcGcd04oXHFcGcd04_Bans"
DROP TABLE "main"."oXHFcGcd04oXHFcGcd04_Bans"
*
* Twitchy - Oh. I get it!
*/
var rstr = rand.NextString(20);
var escapedTable = EscapeTableName(from.Name);
var tmpTable = EscapeTableName("{0}_{1}".SFormat(rstr, from.Name));
var alter = RenameTable(escapedTable, tmpTable);
var create = CreateTable(to);
// combine all columns in the 'from' variable excluding ones that aren't in the 'to' variable.
// exclude the ones that aren't in 'to' variable because if the column is deleted, why try to import the data?
var columns = string.Join(", ", from.Columns.Where(c => to.Columns.Any(c2 => c2.Name == c.Name)).Select(c => c.Name));
var insert = "INSERT INTO {0} ({1}) SELECT {1} FROM {2}".SFormat(escapedTable, columns, tmpTable);
var drop = "DROP TABLE {0}".SFormat(tmpTable);
return "{0}; {1}; {2}; {3};".SFormat(alter, create, insert, drop);
}
public abstract string CreateTable(SqlTable table);
public override string CreateTable(SqlTable table)
{
var columns =
table.Columns.Select(
c =>
"'{0}' {1} {2} {3} {4} {5}".SFormat(c.Name, DbTypeToString(c.Type, c.Length), c.Primary ? "PRIMARY KEY" : "",
c.AutoIncrement ? "AUTOINCREMENT" : "", c.NotNull ? "NOT NULL" : "",
c.Unique ? "UNIQUE" : ""));
return "CREATE TABLE {0} ({1})".SFormat(EscapeTableName(table.Name), string.Join(", ", columns));
}
public override string CreateTable(SqlTable table)
{
var columns =
table.Columns.Select(
c =>
"{0} {1} {2} {3} {4}".SFormat(c.Name, DbTypeToString(c.Type, c.Length), c.Primary ? "PRIMARY KEY" : "",
c.AutoIncrement ? "AUTO_INCREMENT" : "", c.NotNull ? "NOT NULL" : ""));
var uniques = table.Columns.Where(c => c.Unique).Select(c => c.Name);
return "CREATE TABLE {0} ({1} {2})".SFormat(EscapeTableName(table.Name), string.Join(", ", columns),
uniques.Count() > 0
? ", UNIQUE({0})".SFormat(string.Join(", ", uniques))
: "");
}
public UserManager(IDbConnection db, TPulse tPulse)
{
this.tPulse = tPulse;
database = db;
var table = new SqlTable("Users",
new SqlColumn("ID", MySqlDbType.Int32) {Primary = true, AutoIncrement = true},
new SqlColumn("Username", MySqlDbType.VarChar, 32) {Unique = true},
new SqlColumn("Password", MySqlDbType.VarChar, 128),
new SqlColumn("Usergroup", MySqlDbType.Text),
new SqlColumn("IP", MySqlDbType.VarChar, 16)
);
var creator = new SqlTableCreator(db,
db.GetSqlType() == SqlType.Sqlite
? (IQueryBuilder) new SqliteQueryCreator()
: new MysqlQueryCreator());
creator.EnsureExists(table);
}
public RegionManager(IDbConnection db, TPulse tPulse)
{
this.tPulse = tPulse;
database = db;
var table = new SqlTable("Regions",
new SqlColumn("X1", MySqlDbType.Int32),
new SqlColumn("Y1", MySqlDbType.Int32),
new SqlColumn("width", MySqlDbType.Int32),
new SqlColumn("height", MySqlDbType.Int32),
new SqlColumn("RegionName", MySqlDbType.VarChar, 50) {Primary = true},
new SqlColumn("WorldID", MySqlDbType.Text),
new SqlColumn("UserIds", MySqlDbType.Text),
new SqlColumn("Protected", MySqlDbType.Int32),
new SqlColumn("Groups", MySqlDbType.Text),
new SqlColumn("Owner", MySqlDbType.VarChar, 50),
new SqlColumn("Z", MySqlDbType.Int32){ DefaultValue = "0" }
);
var creator = new SqlTableCreator(db,
db.GetSqlType() == SqlType.Sqlite
? (IQueryBuilder) new SqliteQueryCreator()
: new MysqlQueryCreator());
creator.EnsureExists(table);
ReloadAllRegions();
}
public BanManager(IDbConnection db)
{
database = db;
var table = new SqlTable("Bans",
new SqlColumn("IP", MySqlDbType.String, 16) {Primary = true},
new SqlColumn("Name", MySqlDbType.Text),
new SqlColumn("Reason", MySqlDbType.Text)
);
var creator = new SqlTableCreator(db,
db.GetSqlType() == SqlType.Sqlite
? (IQueryBuilder) new SqliteQueryCreator()
: new MysqlQueryCreator());
try
{
creator.EnsureExists(table);
}
catch (DllNotFoundException)
{
System.Console.WriteLine("Possible problem with your database - is Sqlite3.dll present?");
throw new Exception("Could not find a database library (probably Sqlite3.dll)");
}
}
public void EnsureExists(SqlTable table)
{
var columns = GetColumns(table);
if (columns.Count > 0)
{
if (!table.Columns.All(c => columns.Contains(c.Name)) || !columns.All(c => table.Columns.Any(c2 => c2.Name == c)))
{
var from = new SqlTable(table.Name, columns.Select(s => new SqlColumn(s, MySqlDbType.String)).ToList());
database.Query(creator.AlterTable(from, table));
}
}
else
{
database.Query(creator.CreateTable(table));
}
}
public List<string> GetColumns(SqlTable table)
{
var ret = new List<string>();
var name = database.GetSqlType();
if (name == SqlType.Sqlite)
{
using (var reader = database.QueryReader("PRAGMA table_info({0})".SFormat(table.Name)))
{
while (reader.Read())
ret.Add(reader.Get<string>("name"));
}
}
else if (name == SqlType.Mysql)
{
using (
var reader =
database.QueryReader(
"SELECT COLUMN_NAME FROM information_schema.COLUMNS WHERE TABLE_NAME=@0 AND TABLE_SCHEMA=@1", table.Name,
database.Database))
{
while (reader.Read())
ret.Add(reader.Get<string>("COLUMN_NAME"));
}
}
else
{
throw new NotSupportedException();
}
return ret;
}
public abstract string CreateTable(SqlTable table);