Lernende Umsetzungsliste Part 1

bsmd.database/DBManagerAsync.cs

@@ -1,7 +1,5 @@
-// Copyright (c) 2020-present schick Informatik
-// Description: The new and mighty DB manager that uses async methods and 
-// connection pooling.. will try it out in Maersk/PO numbers and expand over the whole
-// app later
+// Copyright (c) 2023-present schick Informatik
+// Description: Variant of DBManager that uses async calls
 
 using log4net;
 using System;
@@ -81,6 +79,14 @@ namespace bsmd.database
             return result;
         }
 
+        public static async Task<List<ValueMapping>> LoadValuesForType(ValueMapping.MappingType mappingType)
+        {
+            SqlCommand cmd = new SqlCommand();
+            ValueMapping vm = new ValueMapping();
+            vm.PrepareLoadCommand(cmd, Message.LoadFilter.BY_TYPE, mappingType);
+            SqlDataReader reader = await PerformCommandAsync(cmd);
+            return await vm.LoadListAsync(reader);
+        }
 
         #endregion
 

bsmd.database/DatabaseEntityAsync.cs

@@ -0,0 +1,33 @@
+// Copyright (c) 2023-present schick Informatik
+// Description: Async variant of DatabaseEntity
+
+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace bsmd.database
+{
+    public abstract class DatabaseEntityAsync : DatabaseEntity
+    {
+        protected abstract DatabaseEntityAsync ReadRowFromReader(IDataReader reader);
+
+        public async Task<List<DatabaseEntityAsync>> LoadListAsync(SqlDataReader reader)
+        {
+            List<DatabaseEntityAsync> result = new List<DatabaseEntityAsync>();
+            if (reader != null)
+            {
+                while (await reader.ReadAsync())
+                {
+                    result.Add(ReadRowFromReader(reader));
+                }
+                reader.Close();
+            }
+            return result;
+        }
+
+    }
+}

bsmd.database/Message.cs

@@ -143,7 +143,8 @@ namespace bsmd.database
             BY_CORE_AND_CLASS,
             BY_AGE,
             WASRCPT_ID,
-            BY_FILE_SEQ_NUM
+            BY_FILE_SEQ_NUM,
+            BY_TYPE
         }        
 
         /// <summary>

bsmd.database/ValueMapping.cs

@@ -0,0 +1,125 @@
+// Copyright (c) 2023-present schick Informatik
+// Description: Container class for self-learning, volatile information that
+// is added by parsing Excel sheets. Here common wrong/misspelled data fields
+// are mapped to valid ones.
+
+using System;
+using System.Collections.Generic;
+using System.Data.SqlClient;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace bsmd.database
+{
+    public class ValueMapping : DatabaseEntityAsync
+    {
+
+        #region enums
+
+        public enum MappingType
+        {
+            UNKNOWN,
+            COUNTRY,
+            GENDER,
+            DOCUMENT_TYPE,
+            LOCODE,
+            INVALID
+        };
+
+        #endregion
+
+        #region Fields
+
+        private static Dictionary<MappingType, Dictionary<string, ValueMapping>> _dicts = new Dictionary<MappingType, Dictionary<string, ValueMapping>>();
+
+        #endregion
+
+        #region Properties
+        
+        public static Dictionary<MappingType, Dictionary<string, ValueMapping>> Dicts
+        {
+            get { return _dicts; }
+        }
+
+        public MappingType EntryType { get; private set; }
+
+        public string Key { get; private set; }
+
+        public string Value { get; private set; }
+
+        #endregion
+
+        #region public funcs
+
+        /// <summary>
+        /// creates and saves a new entry and adds it to the internal dictionaries
+        /// </summary>        
+        /// <returns>true if entry was actually created, false if already present</returns>
+        public static bool Create(MappingType type, string key, string value)
+        {
+
+            return false;
+        }
+
+        /// <summary>
+        /// deletes an entry and removes it from the database
+        /// </summary>        
+        /// <returns>true if successful, false if value was not found</returns>
+        public static bool Delete(MappingType type, string key)
+        {
+
+            return false;
+        }
+
+        /// <summary>
+        /// updates an existing value and saves it
+        /// </summary>        
+        /// <returns>true if successful</returns>
+        public bool Update(string newValue)
+        {
+
+            return false;
+        }
+
+        #endregion
+
+        #region DatabaseEntity implementation
+
+        public override void PrepareSave(System.Data.IDbCommand cmd)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override void PrepareLoadCommand(System.Data.IDbCommand cmd, Message.LoadFilter filter, params object[] criteria)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override List<DatabaseEntity> LoadList(System.Data.IDataReader reader)
+        {
+            throw new NotImplementedException();
+        }        
+
+        protected override DatabaseEntityAsync ReadRowFromReader(System.Data.IDataReader reader)
+        {
+            ValueMapping vm = null;
+            if (reader != null)
+            {
+                vm = new ValueMapping();
+
+                vm.id = reader.GetGuid(0);
+
+                //if (!reader.IsDBNull(1)) md.MessageCoreId = reader.GetGuid(1);
+                //if (!reader.IsDBNull(2)) md.ColA = reader.GetString(2);
+                
+
+                
+            }
+            return vm;
+        }
+
+        #endregion
+
+    }
+}

bsmd.database/bsmd.database.licenseheader

@@ -1,11 +1,11 @@
 extensions: designer.cs generated.cs
 extensions: .cs .cpp .h
-// Copyright (c) 2020-present schick Informatik
+// Copyright (c) 2023-present schick Informatik
 // Description:
 
 extensions: .aspx .ascx
 <%-- 
-Copyright (c) 2020-present schick Informatik
+Copyright (c) 2023-present schick Informatik
 --%>
 extensions: .vb
 'Sample license text.