[FEATURE] Add `Resolve` method to `ServiceRequestExtensions`

[guibranco]

Description

We need to enhance our query handling capabilities by implementing the ServiceRequestExtensions.Resolve method. This method will use ExpressionVisitor, QueryInterceptor, or Predicate to enable IEntity to perform LINQ to SQL queries. This feature will improve our ability to handle complex queries and integrate seamlessly with SQL databases.

Problem Statement

• Current Issue: Our current implementation does not support resolving LINQ to SQL queries, limiting our ability to perform advanced data operations with IEntity. This restricts our querying capabilities and integration with SQL databases.
• Impact: Without this feature, complex queries and efficient data retrieval from SQL databases become challenging, affecting data access and performance.

Proposed Solution

• Implement ServiceRequestExtensions.Resolve Method:
  • Create the Resolve method using ExpressionVisitor, QueryInterceptor, or Predicate to translate LINQ queries into SQL queries.
  • Ensure that the method supports various query scenarios and integrates smoothly with the existing IEntity framework.

Implementation Steps

1. Create Resolve Method:

   • Implement the Resolve method within ServiceRequestExtensions. This method should handle LINQ expressions and translate them into SQL queries.
   • Use ExpressionVisitor to traverse and modify LINQ expressions as needed.
   • Example:

     public static class ServiceRequestExtensions
     {
      public static IQueryable<T> Resolve<T>(this IQueryable<T> query)
      {
          // Implementation using ExpressionVisitor or QueryInterceptor
      }
     }

2. Utilize ExpressionVisitor:

   • Implement a custom ExpressionVisitor to visit and transform LINQ expressions into SQL-compatible expressions.
   • Ensure that complex query constructs are correctly handled and translated.

3. Integrate QueryInterceptor or Predicate:

   • If applicable, use QueryInterceptor or Predicate to manage and modify query behavior. This could involve filtering, sorting, or other query optimizations.

4. Testing and Validation:

   • Thoroughly test the Resolve method with various LINQ queries to ensure correct translation and execution.
   • Validate that the method integrates well with SQL databases and handles different query scenarios effectively.

5. Documentation:

   • Document the new Resolve method, including usage examples, configuration, and any necessary dependencies.
   • Provide guidance on how to use the method with IEntity and LINQ queries.

Additional Notes

• Review the POC-dotnet-Predicate repository for insights and examples related to predicate-based query handling.
• Ensure that the implementation adheres to best practices for query translation and SQL integration.

[gitauto-ai[bot]]

@guibranco Pull request completed! Check it out here https://github.com/guibranco/Sankhya-SDK-dotnet/pull/252 🚀

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