Angel ORM

Basic and lightweight mssql operations framework.

Why Angel ORM instead of Entity Framework?

• Lightweight
• Less exception
• Customizable
• Working with all model classes (does not require migration or anything)

Fetaures

• Select: Get data as model list.
• Where: Get data with expression conditions.
• OrderBy: Get ordered data (also multiple and descending combinations avaible).
• Insert: Insert new data to database.
• Key: Inserted key feedback to model.
• Update: Update row with auto detected key.
• Delete: Delete row with auto detected key.
• Transaction: Begin, Commit and Rollback transaction.
• Raw Query: Get raw query as string or execute raw query on database.
• Nullable Column: Supports for Nullable<T> type column (ex: public DateTime? ModifiedDate { get; set; })
• Enum Column: Supports for Enum type column (ex: public MyTypeStatus Status { get; set; })
• Created Query Feedback: You can use or manupilate created query with OnQueryExecuting method before execute.

Roadmap

• Implement data annotations to define table and column names.
• Add CreateTable, CreateTableIfNotExists and MigrateTable methods to Engine.
• Validate model fetaure from data annotations on Insert and Update.

Usage

Easy to use. You can do anything with one line 😊

SELECT

Engine engine = new Engine(connectionString);

List<User> users = engine.Select<User>().ToList();

WHERE

Engine engine = new Engine(connectionString);

List<User> users = engine.Select<User>().Where(x => x.Id > 5 && x.Role == "admin" && x.CreatedDate < dateTime && x.Active == true).ToList();
List<User> users = engine.Select<User>().Where(x => x.Name.Contains("foo")).ToList();
List<User> users = engine.Select<User>().Where(x => x.Name.StartsWith("foo")).ToList();
List<User> users = engine.Select<User>().Where(x => x.Name.EndsWith("foo")).ToList();

int[] refs = new int[] { 1, 2, 3, 4, 5 };

List<User> users = engine.Select<User>().Where(x => refs.Contains(x.Id)).ToList();

OrderBy and OrderByDescending

Engine engine = new Engine(connectionString);

List<User> users = engine.Select<User>().OrderBy(x => x.Name).ToList();
List<User> users = engine.Select<User>().OrderBy(x => x.Name).OrderByDescending(x => x.Surname).ToList();

INSERT

You can get inserted id after call insert method.

Engine engine = new Engine(connectionString);

engine.Insert(model);
int insertedId = model.Id;

UPDATE

Engine engine = new Engine(connectionString);

int affectedRows = engine.Update(model);

DELETE

Engine engine = new Engine(connectionString);

int affectedRows = engine.Delete(model);

TRANSACTIONS

Engine engine = new Engine(connectionString);

using (Transaction transaction = engine.BeginTransaction())
{
    try
    {
        engine.Insert(foo);
        engine.Update(bar);
        engine.Delete(baz);

        transaction.Commit();
    }
    catch (Exception ex)
    {
        transaction.Rollback();

        Log(ex);
    }
}

Raw Query

Engine engine = new Engine(connectionString);

string query = engine.Selet<User>().Where(x => x.Name == "foo").OrderBy(x => x.CreatedDate).ToSQL();

engine.ExecuteNonQuery(query);

Created Query Feedback

Engine engine = new Engine(connectionString);

List<User> users = engine
    .Select<User>()
    .OnQueryExecutin(x => x + " WHERE Id << 5 <> 0")
    .ToList();