Files
raven/server/AyaNova/DataList/DataListSqlSelectBuilder.cs
2021-01-29 21:51:34 +00:00

279 lines
13 KiB
C#

using System.Collections.Generic;
using System.Text;
using System.Linq;
using AyaNova.Models;
namespace AyaNova.DataList
{
internal class SqlSelectBuilderResult
{
internal Dictionary<string, int> map { get; set; }
internal string Select { get; set; }
}
internal static class DataListSqlSelectBuilder
{
//Build the SELECT portion of a list query based on the columns
internal static SqlSelectBuilderResult BuildForDataTableListResponse(List<DataListFieldDefinition> objectFieldsList, List<string> columns)
{
StringBuilder sb = new StringBuilder();
sb.Append("SELECT ");
//keep track of which custom fields columns were added already
//this ensures that if there is more than one set of custom fields like from two different objects in the list
//only unique ones will be returned by query
//map sql column name to ordinal name
Dictionary<string, int> map = new Dictionary<string, int>();
int nOrdinal = 0;
var firstColumnAdded = false;
foreach (string ColumnName in columns)
{
DataListFieldDefinition o = objectFieldsList.FirstOrDefault(z => z.FieldKey == ColumnName);
#if (DEBUG)
//Developers little helper
if (o == null)
{
throw new System.ArgumentNullException($"## DEV ERROR in DataListSqlSelectBuilder.cs:BuildForDataTableListResponse() field {ColumnName} specified in columns was NOT found in the data list's ObjectFields list, a defined fieldkey name differs from the columns key name");
}
#endif
if (o != null)
{//Ignore missing fields in production
if (o.IsCustomField)
{ //if any are custom field then add custom fields column to query
var CustomFieldSqlColumnName = o.GetSqlValueColumnName();
//has it been added yet?
if (!map.ContainsKey(CustomFieldSqlColumnName))
{ //nope
if (firstColumnAdded)
sb.Append(", ");
sb.Append(CustomFieldSqlColumnName);
firstColumnAdded = true;
map.Add(CustomFieldSqlColumnName, nOrdinal++);
}
}
else
{
var valueColumnName = o.GetSqlValueColumnName();
if (!map.ContainsKey(valueColumnName))
{
if (firstColumnAdded)
sb.Append(", ");
sb.Append(valueColumnName);
firstColumnAdded = true;
map.Add(valueColumnName, nOrdinal++);
}
//does it also have an ID column?
var idColumnName = o.SqlIdColumnName;
if (!string.IsNullOrWhiteSpace(idColumnName))
{
if (!map.ContainsKey(idColumnName))
{
if (firstColumnAdded)
sb.Append(", ");
sb.Append(idColumnName);
firstColumnAdded = true;
map.Add(idColumnName, nOrdinal++);
}
}
//does it also have an openable AyaType column?
var ayaTypeColumnName = o.SqlAyTypeColumnName;
if (!string.IsNullOrWhiteSpace(ayaTypeColumnName))
{
if (!map.ContainsKey(ayaTypeColumnName))
{
if (firstColumnAdded)
sb.Append(", ");
sb.Append(ayaTypeColumnName);
firstColumnAdded = true;
map.Add(ayaTypeColumnName, nOrdinal++);
}
}
//does it also have a Color column?
var ayaColorColumnName = o.SqlColorColumnName;
if (!string.IsNullOrWhiteSpace(ayaColorColumnName))
{
if (!map.ContainsKey(ayaColorColumnName))
{
if (firstColumnAdded)
sb.Append(", ");
sb.Append(ayaColorColumnName);
firstColumnAdded = true;
map.Add(ayaColorColumnName, nOrdinal++);
}
}
}
}
}
return new SqlSelectBuilderResult() { map = map, Select = sb.ToString() };
}//eom
//Build the SELECT portion of a list query but only to return rowid's
internal static string BuildForIdListResponse(List<DataListFieldDefinition> fieldDefinitions, DataListSelectedProcessingOptions dataListSelectionOptions)
{
//BugBug - is not including internalcriteria OR user filtered columns so they don't filter properly
//needs to be there and also return correct 0th column for id filtering or make sure it's always the zeroth I guess
StringBuilder sb = new StringBuilder();
sb.Append("SELECT ");
//map sql column name to ordinal name
// Dictionary<string, int> map = new Dictionary<string, int>();
//FIRST: find the rowid in the objectfields list and insert it
//this is now the zeroth column
//Note: IsRowId field should *always* exist for any list that is intended to be used in an idlist response
var o = fieldDefinitions.FirstOrDefault(z => z.IsRowId == true);
sb.Append(o.SqlIdColumnName);
// map.Add(o.SqlIdColumnName, 0);
//Now add any rows found in filter
foreach(var filter in dataListSelectionOptions.Filter){
//add all columns being filtered but not rowId
var fld=fieldDefinitions.FirstOrDefault(z=>z.FieldKey==filter.Column);
if(!fld.IsRowId){
sb.Append($",{fld.SqlIdColumnName}");
//map.Add(fld.SqlIdColumnName);
}
}
return sb.ToString();
}//eom
// internal static SqlSelectBuilderResult BuildForReportIdListOnly(List<DataListFieldDefinition> objectFieldsList)
// {
// //BugBug - is not including internalcriteria columns so they don't filter properly
// //needs to be there and also return correct 0th column for id filtering or make sure it's always the zeroth I guess
// StringBuilder sb = new StringBuilder();
// sb.Append("SELECT ");
// //map sql column name to ordinal name
// Dictionary<string, int> map = new Dictionary<string, int>();
// //find the rowid in the objectfields list and insert it
// var o = objectFieldsList.FirstOrDefault(z => z.IsRowId == true);
// if (o != null)
// {
// var idColumnName = o.SqlIdColumnName;
// if (!string.IsNullOrWhiteSpace(idColumnName))
// {
// sb.Append(idColumnName);
// map.Add(idColumnName, 0);
// }
// }
// return new SqlSelectBuilderResult() { map = map, Select = sb.ToString() };
// }//eom
// //Build the SELECT portion of a list query but only to return rowid's
// internal static SqlSelectBuilderResult BuildForReportIdListOnly(List<AyaDataListFieldDefinition> objectFieldsList, List<string> listViewFieldList)
// {
// StringBuilder sb = new StringBuilder();
// sb.Append("SELECT ");
// //map sql column name to ordinal name
// Dictionary<string, int> map = new Dictionary<string, int>();
// int nOrdinal = 0;
// var firstColumnAdded = false;
// foreach (string ColumnName in listViewFieldList)
// {
// AyaDataListFieldDefinition o = objectFieldsList.FirstOrDefault(z => z.FieldKey == ColumnName);
// #if (DEBUG)
// //Developers little helper
// if (o == null)
// {
// throw new System.ArgumentNullException($"DEV ERROR in DataListSqlSelectBuilder.cs:BuildForReportIdListOnly() field {ColumnName} specified in template was NOT found in ObjectFields list");
// }
// #endif
// if (o != null && o.IsRowId)//only return the rowid column
// {//Ignore missing fields in production
// AddTheColumn(sb, map, ref nOrdinal, ref firstColumnAdded, o);
// }
// }
// //insert rowid if it wasn't specified already in the list view
// //this is legit as some datalists don't have a rowid visible to user e.g. PartInventoryOnHand
// if (map.Count == 0)
// {
// //find the rowid in the objectfields list and insert it since it wasn't in the view already
// var o = objectFieldsList.FirstOrDefault(z => z.IsRowId == true);
// if (o != null)
// {
// // if(!string.IsNullOrWhiteSpace(rowIdColumn.SqlIdColumnName)){
// // map.Add(rowIdColumn.SqlIdColumnName, nOrdinal++);
// // }else{
// // map.Add(rowIdColumn.GetSqlValueColumnName(), nOrdinal++);
// // }
// AddTheColumn(sb, map, ref nOrdinal, ref firstColumnAdded, o);
// }
// }
// return new SqlSelectBuilderResult() { map = map, Select = sb.ToString() };
// }//eof
// private static void AddTheColumn(StringBuilder sb, Dictionary<string, int> map, ref int nOrdinal, ref bool firstColumnAdded, AyaDataListFieldDefinition o)
// {
// // var valueColumnName = o.GetSqlValueColumnName();
// // if (!map.ContainsKey(valueColumnName))
// // {
// // if (firstColumnAdded)
// // sb.Append(", ");
// // sb.Append(valueColumnName);
// // firstColumnAdded = true;
// // map.Add(valueColumnName, nOrdinal++);
// // }
// // //does it also have an ID column?
// // var idColumnName = o.SqlIdColumnName;
// // if (!string.IsNullOrWhiteSpace(idColumnName))
// // {
// // if (!map.ContainsKey(idColumnName))
// // {
// // if (firstColumnAdded)
// // sb.Append(", ");
// // sb.Append(idColumnName);
// // firstColumnAdded = true;
// // map.Add(idColumnName, nOrdinal++);
// // }
// // }
// // var valueColumnName = o.GetSqlValueColumnName();
// // if (!map.ContainsKey(valueColumnName))
// // {
// // if (firstColumnAdded)
// // sb.Append(", ");
// // sb.Append(valueColumnName);
// // firstColumnAdded = true;
// // map.Add(valueColumnName, nOrdinal++);
// // }
// //does it also have an ID column?
// var idColumnName = o.SqlIdColumnName;
// if (!string.IsNullOrWhiteSpace(idColumnName))
// {
// // if (!map.ContainsKey(idColumnName))
// // {
// // if (firstColumnAdded)
// // sb.Append(", ");
// sb.Append(idColumnName);
// // firstColumnAdded = true;
// map.Add(idColumnName, 0);
// // }
// }
// }
}//eoc
}//ens