Ruakij/Database-Attribute_System
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Added Method to convert classField-names to according dbAttributes

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Added convert in GetListByAttribute
This commit is contained in:
Railz 2019-04-08 20:32:44 +02:00
parent 0ad7221680
commit b014c2f392
2 changed files with 53 additions and 10 deletions
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13
Database-Attribute_System/ClassAction.cs
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@ -94,18 +94,17 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
/// </summary> /// </summary>
/// <typeparam name="T"></typeparam> /// <typeparam name="T"></typeparam>
/// <param name="classType">Type of class</param> /// <param name="classType">Type of class</param>
/// <param name="attributes">attributes for select</param> /// <param name="fields">class-fields for select</param>
/// <param name="queryExecutor">Function to handle query-calls - Has to return Dictionary[attributeName, attributeValue]</param> /// <param name="queryExecutor">Function to handle query-calls - Has to return Dictionary[attributeName, attributeValue]</param>
/// <param name="runDataLossChecks">This checks if any class-field and data-attribute does not exists in either (Slower)</param> /// <param name="runDataLossChecks">This checks if any class-field and data-attribute does not exists in either (Slower)</param>
/// <returns></returns> /// <returns></returns>
public static List<T> GetListByAttribute<T>(Type classType, Dictionary<string, object> attributes, Func<string, List<Dictionary<string, object>>> queryExecutor, bool runDataLossChecks = true) where T : new() public static List<T> GetListByAttribute<T>(Type classType, Dictionary<string, object> fields, Func<string, List<Dictionary<string, object>>> queryExecutor, bool runDataLossChecks = true) where T : new()
{ {
string tableName = Function.GetDbTableName(classType); // Get database-tableName string tableName = Function.GetDbTableName(classType); // Get database-tableName
return GetListByAttribute<T>(tableName, attributes, queryExecutor, runDataLossChecks);
} Function.ConvertAttributeToDbAttributes(classType, fields);
public static List<T> GetListByAttribute<T>(string tableName, Dictionary<string, object> attributes, Func<string, List<Dictionary<string, object>>> queryExecutor, bool runDataLossChecks = true) where T: new()
{ string query = QueryBuilder.SelectByAttribute(tableName, fields); // Generate query
string query = QueryBuilder.SelectByAttribute(tableName, attributes); // Generate query
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
List<T> objs = new List<T>() { }; List<T> objs = new List<T>() { };

50
Database-Attribute_System/internal/Function.cs
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@ -31,6 +31,52 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
} }
} }
internal static void ConvertAttributeToDbAttributes(Type classType, Dictionary<string, object> attributeNameAndValues)
{
Dictionary<string, FieldInfo> classFields = ReadDbClassFields(classType);
foreach (KeyValuePair<string, object> attributeNameAndValue in attributeNameAndValues)
{
bool nameFound = false;
foreach (KeyValuePair<string, FieldInfo> classField in classFields)
{
if (attributeNameAndValue.Key.ToLower() == classField.Value.Name.ToLower())
{
attributeNameAndValues.Remove(attributeNameAndValue.Key);
attributeNameAndValues.Add(classField.Key, attributeNameAndValue.Value);
nameFound = true;
break;
}
}
if (!nameFound) throw new InvalidOperationException($"{attributeNameAndValue.Key} has no classField!");
}
}
internal static void ConvertAttributeToDbAttributes(Type classType, List<string> attributeNames)
{
Dictionary<string, FieldInfo> classFields = ReadDbClassFields(classType);
List<string> dbAttributes = new List<string>() { };
for(int i=0; i< attributeNames.Count; i++)
{
bool nameFound = false;
foreach (KeyValuePair<string, FieldInfo> classField in classFields)
{
if(attributeNames[i].ToLower() == classField.Value.Name.ToLower())
{
attributeNames[i] = classField.Key;
nameFound = true;
break;
}
}
if (!nameFound) throw new InvalidOperationException($"{attributeNames[i]} has no classField!");
}
}
internal static void ReadDbClassFields<T>(T classObject, ref Dictionary<string, object> dbPrimaryKeys, ref Dictionary<string, object> dbAttributes, ref Dictionary<string, object> dbForeignKeys) internal static void ReadDbClassFields<T>(T classObject, ref Dictionary<string, object> dbPrimaryKeys, ref Dictionary<string, object> dbAttributes, ref Dictionary<string, object> dbForeignKeys)
{ {
Type classType = typeof(T); Type classType = typeof(T);
@ -65,10 +111,8 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
} }
} }
internal static Dictionary<string, FieldInfo> ReadDbClassFields<T>(T classObject) internal static Dictionary<string, FieldInfo> ReadDbClassFields(Type classType)
{ {
Type classType = typeof(T);
Dictionary<string, FieldInfo> dbFields = new Dictionary<string, FieldInfo>(); Dictionary<string, FieldInfo> dbFields = new Dictionary<string, FieldInfo>();
// Iterate thru all properties // Iterate thru all properties