/// <summary>
/// publish a specific process by generating table with relations and properties.
/// </summary>
public ResultOperation DropTable(sysBpmsEntityDef entityDef)
{
DataBaseQueryService dataBaseQueryService = new DataBaseQueryService(base.UnitOfWork);
ResultOperation resultOperation = new ResultOperation();
List <string> executeAlterQueries = new List <string>();
foreach (EntityPropertyModel rModel in entityDef.Properties.Where(c => c.DbType == EntityPropertyModel.e_dbType.Entity))
{
executeAlterQueries.Add($@"ALTER TABLE {entityDef.FormattedTableName} DROP CONSTRAINT {rModel.RelationConstaintName}");
}
foreach (string query in executeAlterQueries)
{
dataBaseQueryService.ExecuteBySqlQuery(query, false, null);
}
string sqlQuery = $@"Drop TABLE [{entityDef.FormattedTableName}] ";
dataBaseQueryService.ExecuteBySqlQuery(sqlQuery, false, null);
return(resultOperation);
}
public ResultOperation CreateTable(sysBpmsEntityDef entityDef)
{
DataBaseQueryService dataBaseQueryService = new DataBaseQueryService(base.UnitOfWork);
ResultOperation resultOperation = new ResultOperation();
List <string> executeAlterQueries = new List <string>();
if (entityDef.IsActive && entityDef.Properties != null && entityDef.Properties.Any())
{
string paramsQuery = string.Empty;
foreach (EntityPropertyModel property in entityDef.Properties)
{
paramsQuery += $"[{property.Name}] {property.SqlTypeName} {(property.Required ? "NOT NULL" : "NULL")} ,";
}
//generate table create query.
string sqlQuery =
$@"CREATE TABLE [{entityDef.FormattedTableName}](
[ID][uniqueidentifier] NOT NULL DEFAULT newid() PRIMARY KEY,
[ThreadID][uniqueidentifier] NULL,
{paramsQuery.TrimEnd(',')}) ";
foreach (EntityPropertyModel property in entityDef.Properties.Where(c => c.DbType == EntityPropertyModel.e_dbType.Entity))
{
this.CreateConstraintQuery(property, entityDef, executeAlterQueries);
}
dataBaseQueryService.ExecuteBySqlQuery(sqlQuery, false, null);
}
foreach (EntityPropertyModel property in entityDef.Properties.Where(c => !string.IsNullOrWhiteSpace(c.DefaultValue)))
{
executeAlterQueries.Add($@" ALTER TABLE {entityDef.FormattedTableName} ADD CONSTRAINT def_{entityDef.FormattedTableName}_{property.Name} {property.SqlDefaultValue} FOR {property.Name} ;");
}
foreach (string query in executeAlterQueries)
{
dataBaseQueryService.ExecuteBySqlQuery(query, false, null);
}
return(resultOperation);
}
public ResultOperation UpdateTable(sysBpmsEntityDef newEntityDef)
{
DataBaseQueryService dataBaseQueryService = new DataBaseQueryService(base.UnitOfWork);
sysBpmsEntityDef currentEntityDef = this.GetInfo(newEntityDef.ID);
ResultOperation resultOperation = new ResultOperation();
List <string> addQuery = new List <string>();
if (newEntityDef.IsActive && newEntityDef.Properties != null && newEntityDef.Properties.Any())
{
foreach (EntityPropertyModel newProperty in newEntityDef.Properties)
{
//change Property
if (currentEntityDef.Properties.Any(c => c.ID == newProperty.ID))
{
EntityPropertyModel currentProperty = currentEntityDef.Properties.FirstOrDefault(c => c.ID == newProperty.ID);
//change property name.
if (currentProperty.Name != newProperty.Name)
{
addQuery.Add($" EXEC sp_rename '{currentEntityDef.FormattedTableName}.{currentProperty.Name}', '{newProperty.Name}', 'COLUMN'; {Environment.NewLine} ");
}
if (currentProperty.DbType != newProperty.DbType ||
currentProperty.SqlTypeName != newProperty.SqlTypeName ||
currentProperty.Required != newProperty.Required)
{
addQuery.Add($@" ALTER TABLE {currentEntityDef.FormattedTableName} ALTER COLUMN {newProperty.Name} {newProperty.SqlTypeName} {newProperty.SqlDefaultValue} {(newProperty.Required ? "NOT NULL" : "NULL")} ; ");
}
if (currentProperty.DefaultValue != newProperty.DefaultValue)
{
if (!string.IsNullOrWhiteSpace(currentProperty.DefaultValue))
{
addQuery.Add($@" ALTER TABLE {currentEntityDef.FormattedTableName} DROP CONSTRAINT def_{currentEntityDef.FormattedTableName}_{currentProperty.Name} ; ");
}
addQuery.Add($@" ALTER TABLE {currentEntityDef.FormattedTableName} ADD CONSTRAINT def_{currentEntityDef.FormattedTableName}_{newProperty.Name} {newProperty.SqlDefaultValue} FOR {newProperty.Name} ;");
}
//if property is no longer a entity type drop relation constraint
if (currentProperty.RelationToEntityID.HasValue && !newProperty.RelationToEntityID.HasValue)
{
addQuery.Add($@"ALTER TABLE {currentEntityDef.FormattedTableName} DROP CONSTRAINT {currentProperty.RelationConstaintName};");
}
else
{
if (currentProperty.RelationToEntityID != newProperty.RelationToEntityID)
{ //if it had relation add drop constraint relation query
if (currentProperty.RelationToEntityID.HasValue)
{
addQuery.Add($@"ALTER TABLE {currentEntityDef.FormattedTableName} DROP CONSTRAINT {currentProperty.RelationConstaintName};");
}
this.CreateConstraintQuery(newProperty, newEntityDef, addQuery);
}
}
}
else
{
addQuery.Add($@"ALTER TABLE {currentEntityDef.FormattedTableName} ADD {newProperty.Name} {newProperty.SqlTypeName} {newProperty.SqlDefaultValue} {(newProperty.Required ? "NOT NULL" : "NULL")} ;");
//Create Constraint for new properties
if (newProperty.RelationToEntityID.HasValue)
{
this.CreateConstraintQuery(newProperty, newEntityDef, addQuery);
}
}
}
//deleted properties
foreach (EntityPropertyModel currentProperty in currentEntityDef.Properties.Where(c => !newEntityDef.Properties.Any(d => d.ID == c.ID)))
{
//drop default CONSTRAINT
if (!string.IsNullOrWhiteSpace(currentProperty.DefaultValue))
{
addQuery.Add($@" ALTER TABLE {currentEntityDef.FormattedTableName} DROP CONSTRAINT def_{currentEntityDef.FormattedTableName}_{currentProperty.Name} ; ");
}
//if it has relation add drop constraint relation query
if (currentProperty.DbType == EntityPropertyModel.e_dbType.Entity)
{
addQuery.Add($@"ALTER TABLE {currentEntityDef.FormattedTableName} DROP CONSTRAINT {currentProperty.RelationConstaintName};");
}
//drop property query
addQuery.Add($@"ALTER TABLE {currentEntityDef.FormattedTableName} DROP COLUMN {currentProperty.Name};");
}
}
foreach (string query in addQuery)
{
dataBaseQueryService.ExecuteBySqlQuery(query, false, null);
}
return(resultOperation);
}
