Repository pattern for MongoDB with extended features
2.11.4
You don't need to create a model, but if you are doing so you need to extend Entity
// If you are able to define your model
public class User : Entity
{
public string Username { get; set; }
public string Password { get; set; }
}
There are multiple base constructors, read summaries of others
public class UserRepository : Repository<User>
{
public UserRepository (string connectionString) : base (connectionString) { }
// Custom method
public User FindbyUsername (string username)
{
return First (i => i.Username == username);
}
// Custom method2
public void UpdatePassword (User item, string newPassword)
{
repo.Update (item, i => i.Password, newPassword);
}
// Custom async method
public async Task<User> FindbyUsernameAsync (string username)
{
return await FirstAsync (i => i.Username == username);
}
}
If you want to create a repository for already defined non-entity model
public class UserRepository : Repository<Entity<User>>
{
public UserRepository (string connectionString) : base (connectionString) { }
// Custom method
public User FindbyUsername (string username)
{
return First (i => i.Content.Username == username);
}
}
Each method has multiple overloads, read method summary for additional parameters
UserRepository repo = new UserRepository ("mongodb://localhost/sample")
// Get
User user = repo.Get ("58a18d16bc1e253bb80a67c9");
// Insert
User item = new User ()
{
Username = "username",
Password = "password"
};
repo.Insert (item);
// Update
// Single property
repo.Update (item, i => i.Username, "newUsername");
// Multiple property
// Updater has many methods like Inc, Push, CurrentDate, etc.
var update1 = Updater.Set (i => i.Username, "oldUsername");
var update2 = Updater.Set (i => i.Password, "newPassword");
repo.Update (item, update1, update2);
// All entity
item.Username = "someUsername";
repo.Replace (item);
// Delete
repo.Delete (item);
// Queries - all queries has filter, order and paging features
var first = repo.First ();
var last = repo.Last ();
var search = repo.Find (i => i.Username == "username");
var allItems = repo.FindAll ();
// Utils
var any = repo.Any (i => i.Username.Contains ("user"));
// Count
// Get number of filtered documents
var count = repo.Count (p => p.Age > 20);
// EstimatedCount
// Get number of all documents
var count = repo.EstimatedCount ();
Delete(T entity)
Task<bool> DeleteAsync(T entity)
Delete(Expression<Func<T, bool>> filter)
Task<bool> DeleteAsync(Expression<Func<T, bool>> filter)
IEnumerable<T> Find(Expression<Func<T, bool>> filter, int pageIndex, int size)
IEnumerable<T> Find(Expression<Func<T, bool>> filter, Expression<Func<T, object>> order, int pageIndex, int size)
IEnumerable<T> FindAll(int pageIndex, int size)
IEnumerable<T> FindAll(Expression<Func<T, object>> order, int pageIndex, int size)
T First()
T First(FilterDefinition<T> filter)
T First(Expression<Func<T, bool>> filter)
T First(Expression<Func<T, bool>> filter, Expression<Func<T, object>> order)
T First(Expression<Func<T, bool>> filter, Expression<Func<T, object>> order, bool isDescending)
Task<T> FirstAsync(FilterDefinition<T> filter)
Task<T> FirstAsync(Expression<Func<T, bool>> filter)
T Last()
T Last(FilterDefinition<T> filter)
T Last(Expression<Func<T, bool>> filter)
T Last(Expression<Func<T, bool>> filter, Expression<Func<T, object>> order)
T Last(Expression<Func<T, bool>> filter, Expression<Func<T, object>> order, bool isDescending)
void Replace(IEnumerable<T> entities)
T FindOneAndUpdate(FilterDefinition<T> filter, UpdateDefinition<T> update, FindOneAndUpdateOptions<T> options = null)
T FindOneAndUpdate(Expression<Func<T, bool>> filter, UpdateDefinition<T> update, FindOneAndUpdateOptions<T> options = null)
Task<T> FindOneAndUpdateAsync(FilterDefinition<T> filter, UpdateDefinition<T> update, FindOneAndUpdateOptions<T> options = null)
Task<T> FindOneAndUpdateAsync(Expression<Func<T, bool>> filter, UpdateDefinition<T> update, FindOneAndUpdateOptions<T> options = null)
bool Update<TField>(T entity, Expression<Func<T, TField>> field, TField value)
Task<bool> UpdateAsync<TField>(T entity, Expression<Func<T, TField>> field, TField value)
bool Any(Expression<Func<T, bool>> filter)
bool Update<TField>(FilterDefinition<T> filter, Expression<Func<T, TField>> field, TField value)
bool Update(FilterDefinition<T> filter, params UpdateDefinition<T>[] updates)
bool Update(Expression<Func<T, bool>> filter, params UpdateDefinition<T>[] updates)
Task<bool> UpdateAsync(FilterDefinition<T> filter, params UpdateDefinition<T>[] updates)
Task<bool> UpdateAsync(Expression<Func<T, bool>> filter, params UpdateDefinition<T>[] updates)
Task<bool> UpdateAsync<TField>(FilterDefinition<T> filter, Expression<Func<T, TField>> field, TField value)
long EstimatedCount()
long Count(Expression<Func<T, bool>> filter)
long EstimatedCount(EstimatedDocumentCountOptions options)
Task<long> EstimatedCountAsync()
Task<long> CountAsync(Expression<Func<T, bool>> filter)
Task<long> EstimatedCountAsync(EstimatedDocumentCountOptions options)