add manual Tile Processor

zoom on video on pause (temp image)
2026-04-22 11:06:30 +00:00 · 2025-07-28 12:39:52 +03:00
parent fefd054ea0
commit fc6e5db795
34 changed files with 716 additions and 209 deletions
@@ -0,0 +1,94 @@
+using System.Data;
+using LinqToDB.Data;
+using LinqToDB.Mapping;
+
+namespace Azaion.Common.Database;
+
+public static class SchemaMigrator
+{
+    public static void EnsureSchemaUpdated(DataConnection dbConnection, params Type[] entityTypes)
+    {
+        var connection = dbConnection.Connection;
+        var mappingSchema = dbConnection.MappingSchema;
+
+        if (connection.State == ConnectionState.Closed)
+        {
+            connection.Open();
+        }
+
+        foreach (var type in entityTypes)
+        {
+            var entityDescriptor = mappingSchema.GetEntityDescriptor(type);
+            var tableName = entityDescriptor.Name.Name;
+            var existingColumns = GetTableColumns(connection, tableName);
+
+            foreach (var column in entityDescriptor.Columns)
+            {
+                if (existingColumns.Contains(column.ColumnName, StringComparer.OrdinalIgnoreCase)) 
+                    continue;
+                
+                var columnDefinition = GetColumnDefinition(column);
+                dbConnection.Execute($"ALTER TABLE {tableName} ADD COLUMN {columnDefinition}");
+            }
+        }
+    }
+
+    private static HashSet<string> GetTableColumns(IDbConnection connection, string tableName)
+    {
+        var columns = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        using var cmd = connection.CreateCommand();
+        cmd.CommandText = $"PRAGMA table_info({tableName})";
+        using var reader = cmd.ExecuteReader();
+        while (reader.Read()) 
+            columns.Add(reader.GetString(1)); // "name" is in the second column
+
+        return columns;
+    }
+
+    private static string GetColumnDefinition(ColumnDescriptor column)
+    {
+        var type = column.MemberType;
+        var underlyingType = Nullable.GetUnderlyingType(type) ?? type;
+        var sqliteType = GetSqliteType(underlyingType);
+        var defaultClause = GetSqlDefaultValue(type, underlyingType);
+
+        return $"\"{column.ColumnName}\" {sqliteType} {defaultClause}";
+    }
+
+    private static string GetSqliteType(Type type) =>
+        type switch
+        {
+            _ when type == typeof(int) 
+                   || type == typeof(long) 
+                   || type == typeof(bool) 
+                   || type.IsEnum 
+                => "INTEGER",
+
+            _ when type == typeof(double) 
+                   || type == typeof(float) 
+                   || type == typeof(decimal) 
+                => "REAL",
+
+            _ when type == typeof(byte[]) 
+                => "BLOB",
+
+            _ => "TEXT"
+        };
+
+    private static string GetSqlDefaultValue(Type originalType, Type underlyingType)
+    {
+        var isNullable = originalType.IsClass || Nullable.GetUnderlyingType(originalType) != null;
+        if (isNullable)
+            return "NULL";
+
+        var defaultValue = Activator.CreateInstance(underlyingType);
+        
+        if (underlyingType == typeof(bool))
+            return $"NOT NULL DEFAULT {(Convert.ToBoolean(defaultValue) ? 1 : 0)}";
+        
+        if (underlyingType.IsValueType && defaultValue is IFormattable f)
+            return $"NOT NULL DEFAULT {f.ToString(null, System.Globalization.CultureInfo.InvariantCulture)}";
+        
+        return $"NOT NULL DEFAULT '{defaultValue}'";
+    }
+}