public virtual void InitializeDatabase()
{
var scriptReplacements = new Dictionary <string, string>()
{
{ "pref", _connectionSettings.Schema }
};
var scriptInitializer = new ScriptInitializer(typeof(InstallScripts), scriptReplacements);
scriptInitializer.ScriptManager.ThrowOnUnknownScriptTypes = false;
using (SenderDbContext context = GetDbContext())
{
var creator = (RelationalDatabaseCreator)context.Database.GetService <IDatabaseCreator>();
bool dbExists = creator.Exists();
if (dbExists)
{
bool tableExists = CheckTableExists(context);
if (tableExists == false)
{
ScriptExtractor.ExtractFromDbContext(context);
scriptInitializer.ExecuteScripts(context);
}
}
else
{
context.Database.EnsureCreated();
scriptInitializer.ExecuteScripts(context);
}
}
}
public virtual bool CheckTableExists(SenderDbContext context)
{
string sql = $@"
SELECT 1 FROM sys.tables AS T
INNER JOIN sys.schemas AS S ON T.schema_id = S.schema_id
WHERE S.Name = '{_connectionSettings.Schema}' AND T.Name = '{DefaultTableNameConstants.DispatchTemplates}'";
using (DbConnection connection = context.Database.GetDbConnection())
{
connection.Open();
using (DbCommand command = connection.CreateCommand())
{
command.CommandText = sql;
object result = command.ExecuteScalar();
int intResult = (int)result;
bool boolresult = intResult > 0;
return(boolresult);
}
}
}
