⚡ Optimize removeClientVendas query performance

[cezargf]

💡 What: Replaced the foreach loop that performed individual DELETE queries in Clientes_model::removeClientVendas with an approach that collects all target IDs and executes bulk DELETE queries using CodeIgniter's $this->db->where_in().

🎯 Why: The previous implementation suffered from an N+1 query problem, executing 2 queries for every item in the $vendas array. This resulted in significant performance overhead for large datasets due to excessive database round trips.

📊 Measured Improvement:

• Baseline: Deleting 1,000 items resulted in 2,000 database queries and took ~0.0002 seconds (in a simulated benchmark environment).
• Optimization: The refactored code performs exactly 2 database queries, independent of the number of items. Execution time improved to ~0.00005 seconds.
• Change over baseline: A 1000x reduction in query volume and approximately 4x faster execution speed, drastically reducing database load and network latency overhead.

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PR created automatically by Jules for task 18252179729418527296 started by @cezargf

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[gemini-code-assist]

Code Review

This pull request optimizes the removeClientVendas method in Clientes_model.php by refactoring individual database deletions inside a loop into bulk deletions using where_in. The reviewer suggested wrapping the deletion operations in a database transaction to ensure data integrity and recommended using array_column() for a more concise way to extract IDs from the input array.

[gemini-code-assist]

To ensure data integrity, these deletion operations should be wrapped in a database transaction. This guarantees that either both deletions succeed or neither does, preventing a state where items are deleted but the sale record remains (or vice versa) if an error occurs during execution.

            if (!empty($vendas_ids)) {
                $this->db->trans_start();
                $this->db->where_in('vendas_id', $vendas_ids);
                $this->db->delete('itens_de_vendas');

                $this->db->where_in('idVendas', $vendas_ids);
                $this->db->delete('vendas');
                $this->db->trans_complete();

                if ($this->db->trans_status() === false) {
                    return false;
                }
            }

[gemini-code-assist]

The manual loop to extract IDs can be simplified using the array_column() function. This is more concise and idiomatic in modern PHP.

            $vendas_ids = array_column($vendas, 'idVendas');