public DbConstraintPkViewModel(DbTable table, DbPrimaryKey dbPrimaryKey)
 {
     this.dbPrimaryKey = dbPrimaryKey;
     this.DisplayName = "Pk " + table.DisplayName;
     this.Name = dbPrimaryKey.Name;
     this.Id = dbPrimaryKey.Id;
 }
Example #2
0
        private void LoadConstraints(DbSchema schema, XmlDocument doc)
        {
            XmlNode nodeModel = doc.SelectSingleNode("/Model/RootObject/Children/Model");
            XmlNodeList nodes = doc.SelectNodes("/Model/RootObject/Children/Model/Tables/Table");

            XmlNodeList nodeReferences = nodeModel.SelectNodes("References/Reference");
            foreach (XmlNode nodeReference in nodeReferences)
            {

                if (nodeReference.SelectSingleNode("Cardinality").InnerText.Equals("0..*"))
                {
                    DbForeignKey fk = new DbForeignKey();
                    fk.Id = nodeReference.Attributes["Id"].Value;
                    fk.Name = nodeReference.SelectSingleNode("Code").InnerText;
                    fk.DisplayName = nodeReference.SelectSingleNode("Name").InnerText;
                    DbTable parentTable = (from t in schema.Tables where t.Id.Equals (nodeReference.SelectSingleNode ("ParentTable/Table").Attributes["Ref"].Value) select t).FirstOrDefault();
                    DbTable childTable = (from t in schema.Tables where t.Id.Equals(nodeReference.SelectSingleNode("ChildTable/Table").Attributes["Ref"].Value) select t).FirstOrDefault();
                    fk.ParentTableId = parentTable.Id;
                    fk.ChildTableId = childTable.Id;
                    childTable.ForeignKeys.Add(fk);
                    fk.UpdateOnCascade = nodeReference.SelectSingleNode("UpdateConstraint").InnerXml.Equals("1");
                    fk.DeleteOnCascade = nodeReference.SelectSingleNode("DeleteConstraint").InnerXml.Equals("1");
                    XmlNodeList nodeJoins = nodeReference.SelectNodes("Joins/ReferenceJoin");
                    foreach (XmlNode nodeJoin in nodeJoins)
                    {
                        DbForeignKeyJoin join = new DbForeignKeyJoin();
                        join.Id = nodeJoin.Attributes["Id"].Value;
                        String parentRef = nodeJoin.SelectSingleNode("Object1/Column").Attributes["Ref"].Value;
                        String childRef = nodeJoin.SelectSingleNode("Object2/Column").Attributes["Ref"].Value;
                        DbColumn parentColumn = (from c in parentTable.Columns where c.Id.Equals(parentRef) select c).FirstOrDefault();
                        DbColumn childColumn = (from c in childTable.Columns where c.Id.Equals(childRef) select c).FirstOrDefault();
                        if (parentColumn == null) throw new Exception ("Colonne parent null");
                        if (childColumn == null) throw new Exception("Colonne fille null");
                        join.ParentColumnId = parentColumn.Id;
                        join.ChildColumnId = childColumn.Id;

                        fk.Joins.Add(join);
                    }
                }
            }

            foreach (XmlNode nodeTable in nodes)
            {
                String id = nodeTable.Attributes["Id"].Value;
                DbTable table = (from t in schema.Tables where t.Id.Equals(id) select t).FirstOrDefault();
                XmlNode nodePk = nodeTable.SelectSingleNode("Keys/Key");
                if (nodePk != null)
                {
                    DbPrimaryKey pk = new DbPrimaryKey();
                    pk.Id = nodePk.Attributes["Id"].Value;
                    pk.Name = nodePk.SelectSingleNode("Code").InnerText;
                    pk.DisplayName = nodePk.SelectSingleNode("Name").InnerText;
                    XmlNodeList pkColumnNodeList = nodePk.SelectNodes("Key.Columns/Column");
                    foreach (XmlNode pkColumnNode in pkColumnNodeList)
                    { pk.ColumnIds.Add(pkColumnNode.Attributes["Ref"].Value); }

                    table.PrimaryKey = pk;
                }
                if (table.PrimaryKey == null)
                {
                    throw new Exception("Table " + table.Name + " sans clé primaire");
                }
                XmlNodeList nodeIndexes = nodeTable.SelectNodes("Indexes/Index");
                foreach (XmlNode nodeIndex in nodeIndexes)
                {
                    if (nodeIndex.SelectSingleNode("Code") != null)
                    {
                        String name = nodeIndex.SelectSingleNode("Code").InnerText;
                        if ((table.PrimaryKey != null && !table.PrimaryKey.Name.Equals(name)) || table.PrimaryKey == null)
                        {
                            if (nodeIndex.SelectSingleNode("Unique") != null && nodeIndex.SelectSingleNode("Unique").InnerText.Equals("1"))
                            {
                                DbUniqueKey uk = new DbUniqueKey();
                                uk.Id = nodeIndex.Attributes["Id"].Value;
                                uk.Name = nodeIndex.SelectSingleNode("Code").InnerText;
                                uk.DisplayName = nodeIndex.SelectSingleNode("Name").InnerText;
                                XmlNodeList pkColumnNodeList = nodeIndex.SelectNodes("IndexColumns/IndexColumn");
                                foreach (XmlNode pkColumnNode in pkColumnNodeList)
                                {
                                    XmlNode nodCol = pkColumnNode.SelectSingleNode("IndexColumn.Expression");
                                    if (nodCol != null)
                                    {
                                        String expression = nodCol.InnerText;
                                        expression = expression.Replace(" ", "");
                                        expression = expression.Replace("(", "");
                                        expression = expression.Replace(")", "");
                                        DbColumn column = (from c in table.Columns where c.Name.Equals(expression) select c).FirstOrDefault();
                                        uk.ColumnIds.Add(column.Id);
                                    }

                                }
                                if (uk.ColumnIds.Count > 0)
                                {
                                    table.UniqueKeys.Add(uk);
                                }

                            }
                        }
                    }

                }

            }
        }