Set version

Added GetListByAttribute

Database-Attribute_System/ClassAction.cs

@@ -57,9 +57,6 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
             // Iterate through data
             foreach (KeyValuePair<string, object> data_keySet in data)
             {
-                // If the data was set
-                bool dataIsSet = false;
-
                 // Interate through class-fields
                 foreach (KeyValuePair<string, FieldInfo> field_keySet in dbFields)
                 { 
@@ -67,7 +64,6 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
                     if (field_keySet.Key.ToLower() == data_keySet.Key.ToLower())
                     {
                         field_keySet.Value.SetValue(classObject, data_keySet.Value);
-                        dataIsSet = true;
                         break;
                     }
                 }
@@ -77,7 +73,7 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
 
         /// <summary>
         /// Resolves an object with the database<para/>
-        /// Needs to have primaryKey/s set!<para/>
+        /// Needs to have primaryKey/s-value/s set!<para/>
         /// - Generates an query<para/>
         /// - Sends an query via Func<para/>
         /// - Fills the object with data
@@ -86,11 +82,41 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
         /// <param name="classObject">Given object (marked with Db-attributes)</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>
-        public static void ResolveByPrimaryKey<T>(T classObject, Func<string, Dictionary<string, object>> queryExecutor, bool runDataLossChecks = true)
+        public static void ResolveByPrimaryKey<T>(T classObject, Func<string, List<Dictionary<string, object>>> queryExecutor, bool runDataLossChecks = true)
         {
-            string query = QueryBuilder.SelectByPrimaryKey(classObject);
+            string query = QueryBuilder.SelectByPrimaryKey(classObject);   // Generate query
-            Dictionary<string, object> data = queryExecutor(query);
+            List<Dictionary<string, object>> dataSet = queryExecutor(query);    // Execute
-            FillObject(classObject, data, runDataLossChecks);
+            FillObject(classObject, dataSet[0], runDataLossChecks);   // Fill the object
+        }
+
+        /// <summary>
+        /// Gets a list of dbObjects by attribute/s
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="classType">Type of class</param>
+        /// <param name="attributes">attributes for select</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>
+        /// <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()
+        {
+            string tableName = Function.GetDbTableName(classType);  // Get database-tableName
+            return GetListByAttribute<T>(tableName, attributes, queryExecutor, runDataLossChecks);
+        }
+        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, attributes);   // 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, runDataLossChecks);   // Fill it
+                objs.Add(obj);      // Add to list
+            }
+
+            return objs;    // Return list
         }
     }
 }

Database-Attribute_System/Database-Attribute_System.csproj

@@ -4,6 +4,7 @@
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <RootNamespace>eu.railduction.netcore.dll.Database_Attribute_System</RootNamespace>
     <SignAssembly>false</SignAssembly>
+    <Version>1.3</Version>
   </PropertyGroup>
 
 </Project>

Database-Attribute_System/QueryBuilder.cs

@@ -8,11 +8,11 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
     public class QueryBuilder
     {
         /// <summary>
-        /// Builds an SELECT-Sql-query based on an object<para/>
+        /// Builds an SELECT-Sql-query based on an object
-        /// Object needs to have at least 1 primary-key!
         /// </summary>
         /// <typeparam name="T"></typeparam>
         /// <param name="classObject">Given object (marked with Db-attributes)</param>
+        /// <param name="tableName">The db-table-name</param>
         /// <returns>SELECT-Sql-query</returns>
         public static string SelectByPrimaryKey<T>(T classObject)
         {
@@ -28,11 +28,33 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
             Function.ReadDbClassFields(classObject, ref dbPrimaryKeys, ref dbAttributes, ref dbForeignKeys);
             if (dbPrimaryKeys.Count == 0) throw new InvalidOperationException($"Cannot generate SQL-Query of '{classType.Name}'. No primary-key/s found!");
 
-            // Build where statements with primaryKey/s
+            return SelectByAttribute(tableName, dbPrimaryKeys);
-            object[] param = DbFunction.BuildKeyEqualQuery(dbPrimaryKeys, " AND ");
+        }
+
+        /// <summary>
+        /// Builds an SELECT-Sql-query based on an object<para/>
+        /// Object needs to have at least 1 attribute!
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="tableName">The db-table-name</param>
+        /// <param name="dbAttributes">The db-attributes with dbAttribute-name and value<para/>If null is given, it will generate a default 'SELECT * FROM tableName'</param>
+        /// <returns>SELECT-Sql-query</returns>
+        public static string SelectByAttribute(string tableName, Dictionary<string, object> dbAttributes = null)
+        {
+            object[] param = new object[1];
+            if (dbAttributes != null)
+            {
+                // Build where statements with primaryKey/s
+                param = DbFunction.BuildKeyEqualQuery(dbAttributes, " AND ");
+            }
+
+            string sqlCmd = $"SELECT * FROM {tableName}";
             // Add SQL-command part
-            param[0] = $"SELECT * FROM {tableName} WHERE "+ param[0];
+            if (dbAttributes != null)
-            
+                param[0] = $"{sqlCmd} WHERE {param[0]}";
+            else
+                param[0] = sqlCmd;
+
             // Build and return the query
             return BuildQuery(param);
         }
@@ -99,15 +121,32 @@ namespace eu.railduction.netcore.dll.Database_Attribute_System
             Function.ReadDbClassFields(classObject, ref dbPrimaryKeys, ref dbAttributes, ref dbForeignKeys);
             if (dbPrimaryKeys.Count == 0) throw new InvalidOperationException($"Cannot generate SQL-Query of '{classType.Name}'. No primary-key/s found!");
 
-            // Build where-parameters
+            // Build and return the query
-            object[] paramWhere = DbFunction.BuildKeyEqualQuery(dbPrimaryKeys, " AND ");
+            return DeleteByAttribute(tableName, dbPrimaryKeys);
+        }
+
+        public static string DeleteByAttribute(string tableName, Dictionary<string, object> dbAttributes = null)
+        {
+            object[] param = new object[1];
+            if (dbAttributes != null)
+            {
+                // Build where statements with primaryKey/s
+                param = DbFunction.BuildKeyEqualQuery(dbAttributes, " AND ");
+            }
+
+            string sqlCmd = $"DELETE FROM {tableName}";
             // Add SQL-command part
-            paramWhere[0] = $"DELETE FROM {tableName} WHERE "+ paramWhere[0];
+            if (dbAttributes != null)
+                param[0] = $"{sqlCmd} WHERE {param[0]}";
+            else
+                param[0] = sqlCmd;
 
             // Build and return the query
-            return BuildQuery(paramWhere);
+            return BuildQuery(param);
         }
 
+       
+
 
 
         /// <summary>