/// <summary>
/// Adds the column where not already specified.
/// </summary>
private void AddColumnWhereNotSpecified(SqlDataRow row, bool when, string name, object value)
{
if (when && !row.Columns.ContainsKey(name))
{
AddColumn(name);
row.AddColumn(name, value);
}
}
/// <summary>
/// Parses the data operations generating the underlying SQL.
/// </summary>
private void Parse()
{
if (DbTables == null)
{
throw new InvalidOperationException("RegisterDatabase must be invoked before parsing can occur.");
}
// Loop through all the schemas.
foreach (var js in _json.Children <JProperty>())
{
// Loop through the collection of tables.
foreach (var jto in GetChildObjects(js))
{
foreach (var jt in jto.Children <JProperty>())
{
var sdt = new SqlDataTable(js.Name, jt.Name);
if (Tables.Any(t => t.Schema == sdt.Schema && t.Name == sdt.Name))
{
throw new SqlDataUpdaterException($"Table '{sdt.Schema}.{sdt.Name}' has been specified more than once.");
}
// Loop through the collection of rows.
foreach (var jro in GetChildObjects(jt))
{
var row = new SqlDataRow(sdt);
foreach (var jr in jro.Children <JProperty>())
{
if (jr.Value.Type == JTokenType.Object)
{
foreach (var jc in jro.Children <JProperty>())
{
var col = sdt.IsRefData ? DatabaseRefDataColumns.CodeColumnName : sdt.DbTable.Columns.Where(x => x.IsPrimaryKey).Select(x => x.Name).SingleOrDefault();
row.AddColumn(col, GetColumnValue(jc.Name));
foreach (var jcv in jc.Values().Where(j => j.Type == JTokenType.Property).Cast <JProperty>())
{
row.AddColumn(jcv.Name, GetColumnValue(jcv.Value));
}
}
}
else
{
if (sdt.IsRefData && jro.Children().Count() == 1)
{
row.AddColumn(DatabaseRefDataColumns.CodeColumnName, GetColumnValue(jr.Name));
row.AddColumn("Text", GetColumnValue(jr.Value));
}
else
{
row.AddColumn(jr.Name, GetColumnValue(jr.Value));
}
}
}
sdt.AddRow(row);
}
if (sdt.Columns.Count > 0)
{
sdt.Prepare();
Tables.Add(sdt);
}
}
}
}
}
/// <summary>
/// Parses the data operations generating the underlying SQL.
/// </summary>
private void Parse()
{
if (DbTables == null)
{
throw new InvalidOperationException("RegisterDatabase must be invoked before parsing can occur.");
}
// Get the identifier generator configuration where applicable.
var idjson = _json["^Type"];
if (idjson != null)
{
var typeName = idjson.ToObject <string>();
if (string.IsNullOrEmpty(typeName))
{
throw new SqlDataUpdaterException($"Identifier generators property '^Type' is not a valid string.");
}
var type = Type.GetType(typeName, false);
if (type == null || type.GetConstructor(Array.Empty <Type>()) == null)
{
throw new SqlDataUpdaterException($"Identifier generators Type '{typeName}' does not exist or have a default (parameter-lesss) constructor.");
}
var idgen = Activator.CreateInstance(type) !;
IdentifierGenerators = idgen as IIdentifierGenerators;
if (IdentifierGenerators == null)
{
throw new SqlDataUpdaterException($"Identifier generators Type '{typeName}' does not implement IIdentifierGenerators.");
}
}
// Loop through all the schemas.
foreach (var js in _json.Children <JProperty>())
{
// Reserved; ignore.
if (js.Name == "^Type")
{
continue;
}
// Loop through the collection of tables.
foreach (var jto in GetChildObjects(js))
{
foreach (var jt in jto.Children <JProperty>())
{
var sdt = new SqlDataTable(js.Name, jt.Name);
if (Tables.Any(t => t.Schema == sdt.Schema && t.Name == sdt.Name))
{
throw new SqlDataUpdaterException($"Table '{sdt.Schema}.{sdt.Name}' has been specified more than once.");
}
// Loop through the collection of rows.
foreach (var jro in GetChildObjects(jt))
{
var row = new SqlDataRow(sdt);
foreach (var jr in jro.Children <JProperty>())
{
if (jr.Value.Type == JTokenType.Object)
{
foreach (var jc in jro.Children <JProperty>())
{
var col = sdt.IsRefData ? DatabaseRefDataColumns.CodeColumnName : sdt.DbTable.Columns.Where(x => x.IsPrimaryKey).Select(x => x.Name).SingleOrDefault();
if (!string.IsNullOrEmpty(col))
{
row.AddColumn(col, GetColumnValue(jc.Name));
foreach (var jcv in jc.Values().Where(j => j.Type == JTokenType.Property).Cast <JProperty>())
{
row.AddColumn(jcv.Name, GetColumnValue(jcv.Value));
}
}
}
}
else
{
if (sdt.IsRefData && jro.Children().Count() == 1)
{
row.AddColumn(DatabaseRefDataColumns.CodeColumnName, GetColumnValue(jr.Name));
row.AddColumn("Text", GetColumnValue(jr.Value));
}
else
{
row.AddColumn(jr.Name, GetColumnValue(jr.Value));
}
}
}
sdt.AddRow(row);
}
if (sdt.Columns.Count > 0)
{
sdt.Prepare(IdentifierGenerators);
Tables.Add(sdt);
}
}
}
}
}