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Overview

Vali-Flow.NoSql.MongoDB translates a ValiFlow<T> expression tree into a MongoDB BsonDocument filter. The output is accepted natively wherever MongoDB expects a filter — FilterDefinition<T> has an implicit conversion from BsonDocument, so no explicit cast is needed.

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The package depends only on MongoDB.Bson, not the full MongoDB.Driver. It is a pure query builder with no connection or execution concerns.

Installation​

dotnet add package Vali-Flow.NoSql.MongoDB

Vali-Flow.Core is included as a transitive dependency.

Quick Start​

using Vali_Flow.Core.Builder;
using Vali_Flow.NoSql.MongoDB.Extensions;

var filter = new ValiFlow<User>()
    .EqualTo(x => x.IsActive, true)
    .GreaterThan(x => x.Age, 18);

BsonDocument mongoFilter = filter.ToMongo();
var users = await collection.Find(mongoFilter).ToListAsync();

More Examples​

// Range query
var filter = new ValiFlow<Order>()
    .GreaterThan(o => o.Total, 100m)
    .LessThan(o => o.Total, 500m)
    .ToMongo();