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@ -1,587 +0,0 @@
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using eu.railduction.netcore.dll.Database_Attribute_System.Attributes;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Text;
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namespace eu.railduction.netcore.dll.Database_Attribute_System
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{
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public class ClassAction
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{
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private static Dictionary<Type, DbObject> initiatedClassTypes = new Dictionary<Type, DbObject>() { };
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/// <summary>
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/// Initiates the attribute-system and preloads all necessary information<para/>
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/// INFO: Will initiate necessary foreignObjects recursively!<para/>
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/// If an class is already initiated, it will be ignored!
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/// </summary>
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/// <param name="classType">The classType to preload</param>
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/// <returns>DbObject-attribute corresponding to the class</returns>
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public static DbObject Init(Type classType)
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{
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DbObject cachedDbObject;
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initiatedClassTypes.TryGetValue(classType, out cachedDbObject);
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if (cachedDbObject == null)
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{
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// Check if given class is marked as dbObject
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if (!(classType.GetCustomAttribute(typeof(DbObject), true) is DbObject dbObject)) throw new InvalidOperationException($"Cannot init '{classType.Name}'. Missing Attribute 'DbObject'");
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initiatedClassTypes.Add(classType, dbObject); // Set it to the list
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dbObject.Init(classType); // Init dbObject
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cachedDbObject = dbObject;
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}
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return cachedDbObject;
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}
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/// <summary>
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/// Fills an given dbObject with given data<para/>
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/// Data-attribute-names and class-fieldNames have to match! (non case-sensitive)
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classObject">Given object (marked with Db-attributes)</param>
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/// <param name="data">The data</param>
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/// <param name="key">Key-name of data</param>
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public static void FillObject<T>(T classObject, string key, object data)
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{
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Dictionary<string, object> dicData = new Dictionary<string, object>();
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dicData.Add(key, data);
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FillObject<T>(classObject, dicData);
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}
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/// <summary>
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/// Fills an given dbObject with given data<para/>
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/// Data-attribute-names and class-fieldNames have to match! (non case-sensitive)
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classObject">Given object (marked with Db-attributes)</param>
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/// <param name="data">The data</param>
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/// <param name="key">Key-name of data</param>
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public static void FillObject<T>(T classObject, Dictionary<string, object> data)
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{
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Type classType = classObject.GetType();
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// Read dbObject-attribute
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DbObject dbObject = ClassAction.Init(classType);
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// Iterate through data
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foreach (KeyValuePair<string, object> data_keySet in data)
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{
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bool dataMatchFound = false;
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// Interate through class-fields
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foreach (BaseAttribute baseAttribute in dbObject.baseAttributes)
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{
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// Remove any leading dots and table-specifiers
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string dbAttName = data_keySet.Key;
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if (dbAttName.Contains("."))
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{
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string[] dbAttNameSplit = dbAttName.Split('.'); // Split at the '.'
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dbAttName = dbAttNameSplit[dbAttNameSplit.Length - 1]; // Copy the ending text
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}
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// If its a match, set the value
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if (baseAttribute._attributeName.ToLower() == data_keySet.Key.ToLower())
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{
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object value = data_keySet.Value;
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if (!(value is DBNull)) // Check if value is empty
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{
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baseAttribute.parentField.SetValue(classObject, value);
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}
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dataMatchFound = true;
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break;
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}
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}
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if (!dataMatchFound) throw new InvalidOperationException($"Attribute '{data_keySet.Key}' has no match in object '{classObject.GetType().Name}'");
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}
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}
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/// <summary>
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/// Gets an dbObject by primaryKey/s
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classType">The classType (marked with Db-attributes)</param>
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/// <param name="primaryKeyName">Name of the primaryKey</param>
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/// <param name="primaryKeyValue">Value of the primaryKey</param>
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/// <param name="primaryKeyData">KeyData of multiple primaryKeys</param>
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/// <param name="queryExecutor">Function to handle query-calls</param>
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public static T GetByPrimaryKey<T>(Type classType, object primaryKeyValue, Func<string, List<Dictionary<string, object>>> queryExecutor) where T : new()
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{
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// Read dbObject-attribute
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DbObject dbObject = ClassAction.Init(classType);
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if (dbObject.primaryKeyAttributes.Count < 1) throw new InvalidOperationException($"No primaryKey found in '{classType.Name}'");
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if (dbObject.primaryKeyAttributes.Count > 1) throw new InvalidOperationException($"This 'GetByPrimaryKey' method only supports 1 primaryKey ('{dbObject.primaryKeyAttributes.Count}' found in '{classType.Name}')");
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return GetByPrimaryKey<T>(classType, dbObject.primaryKeyAttributes[0]._attributeName, primaryKeyValue, queryExecutor);
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}
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/// <summary>
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/// Gets an dbObject by primaryKey/s
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classType">The classType (marked with Db-attributes)</param>
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/// <param name="primaryKeyName">Name of the primaryKey</param>
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/// <param name="primaryKeyValue">Value of the primaryKey</param>
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/// <param name="primaryKeyData">KeyData of multiple primaryKeys</param>
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/// <param name="queryExecutor">Function to handle query-calls</param>
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public static T GetByPrimaryKey<T>(Type classType, string primaryKeyName, object primaryKeyValue, Func<string, List<Dictionary<string, object>>> queryExecutor) where T : new()
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{
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Dictionary<string, object> primaryKeyData = new Dictionary<string, object>() { };
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primaryKeyData.Add(primaryKeyName, primaryKeyValue);
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return GetByPrimaryKey<T>(classType, primaryKeyData, queryExecutor);
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}
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/// <summary>
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/// Gets an dbObject by primaryKey/s
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classType">The classType (marked with Db-attributes)</param>
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/// <param name="primaryKeyName">Name of the primaryKey</param>
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/// <param name="primaryKeyValue">Value of the primaryKey</param>
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/// <param name="primaryKeyData">KeyData of multiple primaryKeys</param>
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/// <param name="queryExecutor">Function to handle query-calls</param>
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public static T GetByPrimaryKey<T>(Type classType, Dictionary<string, object> primaryKeyData, Func<string, List<Dictionary<string, object>>> queryExecutor) where T: new()
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{
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// Read dbObject-attribute
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DbObject dbObject = ClassAction.Init(classType);
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if (dbObject.primaryKeyAttributes.Count < 1) throw new InvalidOperationException($"No primaryKey found in '{classType.Name}'");
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// Create new empty object
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T obj = (T)dbObject.parentCInfo.Invoke(null);
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// iterate thru them to check and fill object
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foreach (DbPrimaryKey primaryKeyAtt in dbObject.primaryKeyAttributes)
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{
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bool dataMatchFound = false;
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// Now search the corresponding primaryKeyData
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foreach (KeyValuePair<string, object> primaryKey in primaryKeyData)
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{
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// primaryKey matches
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if(primaryKeyAtt._attributeName.ToLower() == primaryKey.Key.ToLower())
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{
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// Set data
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primaryKeyAtt.parentField.SetValue(obj, primaryKey.Value);
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dataMatchFound = true;
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break;
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}
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}
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// If no data was found matching this field
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if (!dataMatchFound) throw new InvalidOperationException($"PrimaryKey='{primaryKeyAtt.parentField.Name}' is missing.");
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}
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try
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{
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ResolveByPrimaryKey<T>(obj, queryExecutor);
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}catch(InvalidOperationException)
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{
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// If there is no result, return null
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return default(T);
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}
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return obj;
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}
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// ----
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/// <summary>
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/// Gets all dbObjects of class/table
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classObject">Given object (marked with Db-attributes)</param>
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/// <param name="queryExecutor">Function to handle query-calls</param>
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public static List<T> GetList<T>(Type classType, Func<string, List<Dictionary<string, object>>> queryExecutor) where T : new()
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{
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// Read dbObject - attribute
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DbObject dbObject = ClassAction.Init(classType);
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string query = QueryBuilder.SelectByAttribute(dbObject._tableName); // Generate query
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List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
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List<T> objs = new List<T>() { };
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foreach (Dictionary<string, object> data in dataSet)
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{
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T obj = new T(); // New object
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FillObject(obj, data); // Fill it
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objs.Add(obj); // Add to list
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}
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return objs; // Return list
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}
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/// <summary>
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/// Gets a list of dbObjects by attribute/s
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="classType">Type of class</param>
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/// <param name="fields">class-fields for select</param>
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/// <param name="queryExecutor">Function to handle query-calls</param>
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/// <returns>List of dbObjects</returns>
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public static List<T> GetListByAttribute<T>(Type classType, Dictionary<string, object> fields, Func<string, List<Dictionary<string, object>>> queryExecutor) where T : new()
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{
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// Read dbObject-attribute
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DbObject dbObject = ClassAction.Init(classType);
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Function.ConvertAttributeToDbAttributes(classType, fields);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string query = QueryBuilder.SelectByAttribute(dbObject._tableName, fields); // Generate query
|
|
|
|
|
|
|
|
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
List<T> objs = new List<T>() { };
|
|
|
|
|
|
|
|
foreach (Dictionary<string, object> data in dataSet)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
T obj = new T(); // New object
|
|
|
|
|
|
|
|
FillObject(obj, data); // Fill it
|
|
|
|
|
|
|
|
objs.Add(obj); // Add to list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return objs; // Return list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Gets an dbObject by custom where-clause
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="whereClause">Custom where-clause params attached to query (SELECT * FROM tableName WHERE whereClause)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
public static List<T> GetListWithWhere<T>(Type classType, Func<string, List<Dictionary<string, object>>> queryExecutor, params object[] whereClause) where T : new()
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Read dbObject - attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classType);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string query = QueryBuilder.SelectWithWhere(dbObject._tableName, whereClause); // Generate query
|
|
|
|
|
|
|
|
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
List<T> objs = new List<T>() { };
|
|
|
|
|
|
|
|
foreach (Dictionary<string, object> data in dataSet)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
T obj = new T(); // New object
|
|
|
|
|
|
|
|
FillObject(obj, data); // Fill it
|
|
|
|
|
|
|
|
objs.Add(obj); // Add to list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return objs; // Return list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Gets an dbObject by full query
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="customQuery">Custom sql-query</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
public static List<T> GetListWithQuery<T>(Type classType, Func<string, List<Dictionary<string, object>>> queryExecutor, params object[] customQuery) where T : new()
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Read dbObject - attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classType);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string query = QueryBuilder.BuildQuery(customQuery);
|
|
|
|
|
|
|
|
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
List<T> objs = new List<T>() { };
|
|
|
|
|
|
|
|
foreach (Dictionary<string, object> data in dataSet)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
T obj = new T(); // New object
|
|
|
|
|
|
|
|
FillObject(obj, data); // Fill it
|
|
|
|
|
|
|
|
objs.Add(obj); // Add to list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return objs; // Return list
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// -----
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Resolves dbObject by primaryKey/s<pragma/>
|
|
|
|
|
|
|
|
/// Object needs to have primaryKey/s set!
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
public static void ResolveByPrimaryKey<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, bool throwExceptions = true)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
string query = QueryBuilder.SelectByPrimaryKey(classObject); // Generate query
|
|
|
|
|
|
|
|
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (dataSet.Count == 0)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
if (throwExceptions) throw new InvalidOperationException($"Cannot fetch '{typeof(T).Name}' by primary key/s. No results!");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
else FillObject(classObject, dataSet[0]); // Fill the object
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Resolves all foreignKeys with the database<pragma/>
|
|
|
|
|
|
|
|
/// Only works if the foreignKey is single (not assembled)!
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
/// <param name="max_depth">Determents how deep resolving will be executed</param>
|
|
|
|
|
|
|
|
public static void ResolveForeignKeys<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, int max_depth = 1) where T: new()
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
Type classType = classObject.GetType();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Read dbObject-attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classType);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Resolve foreignObjects
|
|
|
|
|
|
|
|
foreach (DbForeignObject foreignObjectAtt in dbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object foreignKey_value = foreignObjectAtt.foreignKeyAttribute.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
object foreignObject_value = foreignObjectAtt.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// When key is set and object is empty, get it & set it
|
|
|
|
|
|
|
|
if(foreignKey_value != null && foreignObject_value == null)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Resolve it
|
|
|
|
|
|
|
|
foreignObject_value = GetByPrimaryKey<T>(foreignObjectAtt.foreignObjectType, foreignKey_value, queryExecutor);
|
|
|
|
|
|
|
|
foreignObjectAtt.parentField.SetValue(classObject, foreignObject_value); // Set the value
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Now scan the just resolved class to be able to set myself
|
|
|
|
|
|
|
|
DbObject foreignDbObject = Init(foreignObject_value.GetType());
|
|
|
|
|
|
|
|
foreach(DbReverseForeignObject dbReverseForeignObject in foreignDbObject.reverseForeignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If the field-names match
|
|
|
|
|
|
|
|
if(dbReverseForeignObject._foreignKeyName.ToLower() == dbObject.primaryKeyAttributes[0]._attributeName.ToLower())
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object myReference;
|
|
|
|
|
|
|
|
if (dbReverseForeignObject.parentField.FieldType is IList && dbReverseForeignObject.parentField.FieldType.IsGenericType) // 1:m
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If its a list, i create a list with just myself
|
|
|
|
|
|
|
|
myReference = new List<T>() { classObject };
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
else // 1:1
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Otherwise ist just myself
|
|
|
|
|
|
|
|
myReference = classObject;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
dbReverseForeignObject.parentField.SetValue(foreignObject_value, myReference);
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Recursive resolving
|
|
|
|
|
|
|
|
if (max_depth > 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Go recursively into the next class
|
|
|
|
|
|
|
|
ResolveForeignKeys(foreignObject_value, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Resolve intermediateForeignObjects
|
|
|
|
|
|
|
|
foreach (DbIntermediateForeignObject intermediateForeignObjectAtt in dbObject.intermediateObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object intermediateForeignObject_value = intermediateForeignObjectAtt.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// When its empty, get it & set it
|
|
|
|
|
|
|
|
if (intermediateForeignObject_value == null)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Generate & set attribute-set
|
|
|
|
|
|
|
|
Dictionary<string, object> attributes = new Dictionary<string, object>();
|
|
|
|
|
|
|
|
attributes.Add(intermediateForeignObjectAtt._keyName, dbObject.primaryKeyAttributes[0].parentField.GetValue(classObject));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string query = QueryBuilder.SelectByAttribute(intermediateForeignObjectAtt._intermediateTableName, attributes); // Generate query
|
|
|
|
|
|
|
|
List<Dictionary<string, object>> dataSet = queryExecutor(query); // Execute
|
|
|
|
|
|
|
|
// Extract data
|
|
|
|
|
|
|
|
List<object> values = new List<object>();
|
|
|
|
|
|
|
|
for (int i=0; i<dataSet.Count; i++)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
Dictionary<string, object> data = dataSet[i];
|
|
|
|
|
|
|
|
object primaryKeyValue = data[intermediateForeignObjectAtt.foreignPrimaryKeyAttribute._attributeName];
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
values.Add(GetByPrimaryKey<object>(intermediateForeignObjectAtt.foreignPrimaryKeyAttribute.classAttribute.parentClassType, primaryKeyValue, queryExecutor));
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Now scan the just resolved class to be able to set myself
|
|
|
|
|
|
|
|
DbObject foreignDbObject = Init(intermediateForeignObjectAtt.foreignPrimaryKeyAttribute.classAttribute.parentClassType);
|
|
|
|
|
|
|
|
foreach (DbForeignObject dbForeignObject in foreignDbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If the field-names match
|
|
|
|
|
|
|
|
if (dbForeignObject._foreignKeyName.ToLower() == dbObject.primaryKeyAttributes[0]._attributeName.ToLower())
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object myReference = classObject;
|
|
|
|
|
|
|
|
foreach (object value in values)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
dbForeignObject.parentField.SetValue(value, myReference);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Set value
|
|
|
|
|
|
|
|
intermediateForeignObject_value = values;
|
|
|
|
|
|
|
|
intermediateForeignObjectAtt.parentField.SetValue(classObject, intermediateForeignObject_value);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Recursive resolving
|
|
|
|
|
|
|
|
if (max_depth > 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If we have a list of objects, we need to recursively go into each one
|
|
|
|
|
|
|
|
foreach (object value in (IList)intermediateForeignObject_value)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
ResolveForeignKeys(value, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Resolve reverseForeignObjects
|
|
|
|
|
|
|
|
foreach (DbReverseForeignObject reverseForeignObjectAtt in dbObject.reverseForeignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object reverseForeignObject_value = reverseForeignObjectAtt.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
Type reverseForeignObject_type = reverseForeignObjectAtt.parentField.GetType();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// When its empty, get it & set it
|
|
|
|
|
|
|
|
if (reverseForeignObject_value == null)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Generate & set attribute-set
|
|
|
|
|
|
|
|
Dictionary<string, object> attributes = new Dictionary<string, object>();
|
|
|
|
|
|
|
|
attributes.Add(reverseForeignObjectAtt._foreignKeyName, dbObject.primaryKeyAttributes[0].parentField.GetValue(classObject));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
List<object> values = GetListByAttribute<object>(reverseForeignObjectAtt.foreignKeyAttribute.classAttribute.parentClassType, attributes, queryExecutor);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if(values.Count == 0) throw new InvalidOperationException($"'{reverseForeignObjectAtt.parentField.Name}' could not been resolved. ReverseForeignObject returned '{values.Count}' values.");
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Now scan the just resolved class to be able to set myself
|
|
|
|
|
|
|
|
DbObject foreignDbObject = Init(reverseForeignObjectAtt.foreignKeyAttribute.classAttribute.parentClassType);
|
|
|
|
|
|
|
|
foreach (DbForeignObject dbForeignObject in foreignDbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If the field-names match
|
|
|
|
|
|
|
|
if (dbForeignObject._foreignKeyName.ToLower() == dbObject.primaryKeyAttributes[0]._attributeName.ToLower())
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object myReference = classObject;
|
|
|
|
|
|
|
|
foreach(object value in values)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
dbForeignObject.parentField.SetValue(value, myReference);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Check for type to determen 1:1 or 1:m
|
|
|
|
|
|
|
|
if (reverseForeignObject_type is IList && reverseForeignObject_type.IsGenericType) // List, so 1:m
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
reverseForeignObject_value = values;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
else // Not list, so 1:1
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
if (values.Count > 1) throw new InvalidOperationException($"'{reverseForeignObjectAtt.parentField.Name}' could not been resolved as ReverseForeignObject returned '{values.Count}' values. (Is it 1:m instead of 1:1?)");
|
|
|
|
|
|
|
|
reverseForeignObject_value = values[0];
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
reverseForeignObjectAtt.parentField.SetValue(classObject, reverseForeignObject_value);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Recursive resolving
|
|
|
|
|
|
|
|
if (max_depth > 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
if (reverseForeignObject_value is IList && reverseForeignObject_type.IsGenericType) // 1:m
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// If we have a list of objects, we need to recursively go into each one
|
|
|
|
|
|
|
|
foreach(object value in (IList)reverseForeignObject_value)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
ResolveForeignKeys(value, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
else // 1:1
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Go recursively into the next class
|
|
|
|
|
|
|
|
ResolveForeignKeys(reverseForeignObject_value, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Updates class to database-object</pragma>
|
|
|
|
|
|
|
|
/// Only works with primary-key/s!
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
/// <param name="max_depth">Determents how deep resolving will be executed (if the corresponding foreignKey-object is resolved)</param>
|
|
|
|
|
|
|
|
public static void Update<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, int max_depth = 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Read dbObject-attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classObject.GetType());
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if(max_depth-1 > 0)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Update all foreignObjects before handling myself
|
|
|
|
|
|
|
|
foreach (DbForeignObject foreignObject in dbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object foreignObjectRef = foreignObject.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
if (foreignObjectRef != null)
|
|
|
|
|
|
|
|
Update(foreignObjectRef, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string updateQuery = QueryBuilder.UpdateByPrimaryKey(classObject);
|
|
|
|
|
|
|
|
queryExecutor.Invoke(updateQuery);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Inserts class to database-object
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
/// <param name="max_depth">Determents how deep insertion will be executed (if the corresponding foreignKey-object is resolved)</param>
|
|
|
|
|
|
|
|
public static void Insert<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, int max_depth = 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Read dbObject-attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classObject.GetType());
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (max_depth - 1 > 0)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Update all foreignObjects before handling myself
|
|
|
|
|
|
|
|
foreach (DbForeignObject foreignObject in dbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object foreignObjectRef = foreignObject.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
if (foreignObjectRef != null)
|
|
|
|
|
|
|
|
Insert(foreignObjectRef, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string insertQuery = QueryBuilder.InsertAttributesByObject(classObject);
|
|
|
|
|
|
|
|
queryExecutor.Invoke(insertQuery);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
|
|
/// Deletes class from database-object</pragma>
|
|
|
|
|
|
|
|
/// Only works with primary-key/s!
|
|
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
|
|
/// <typeparam name="T"></typeparam>
|
|
|
|
|
|
|
|
/// <param name="classObject">Given object (marked with Db-attributes)</param>
|
|
|
|
|
|
|
|
/// <param name="queryExecutor">Function to handle query-calls</param>
|
|
|
|
|
|
|
|
/// <param name="max_depth">Determents how deep deletion will be executed (if the corresponding foreignKey-object is resolved)</param>
|
|
|
|
|
|
|
|
public static void Delete<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, int max_depth = 1)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Read dbObject-attribute
|
|
|
|
|
|
|
|
DbObject dbObject = ClassAction.Init(classObject.GetType());
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (max_depth - 1 > 0)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
// Update all foreignObjects before handling myself
|
|
|
|
|
|
|
|
foreach (DbForeignObject foreignObject in dbObject.foreignObjectAttributes)
|
|
|
|
|
|
|
|
{
|
|
|
|
|
|
|
|
object foreignObjectRef = foreignObject.parentField.GetValue(classObject);
|
|
|
|
|
|
|
|
if (foreignObjectRef != null)
|
|
|
|
|
|
|
|
Delete(foreignObjectRef, queryExecutor, max_depth - 1);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
string deleteQuery = QueryBuilder.DeleteByPrimaryKey(classObject);
|
|
|
|
|
|
|
|
queryExecutor.Invoke(deleteQuery);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|