get request is now working perfectly fine

server/src/tables_data/handlers/get_table_data.rs

@@ -0,0 +1,97 @@
+// src/tables_data/handlers/get_table_data.rs
+use tonic::Status;
+use sqlx::{PgPool, Row};
+use std::collections::HashMap;
+use common::proto::multieko2::tables_data::{GetTableDataRequest, GetTableDataResponse};
+
+pub async fn get_table_data(
+    db_pool: &PgPool,
+    request: GetTableDataRequest,
+) -> Result<GetTableDataResponse, Status> {
+    let profile_name = request.profile_name;
+    let table_name = request.table_name;
+    let record_id = request.id;
+
+    // Lookup profile
+    let profile = sqlx::query!(
+        "SELECT id FROM profiles WHERE name = $1",
+        profile_name
+    )
+    .fetch_optional(db_pool)
+    .await
+    .map_err(|e| Status::internal(format!("Profile lookup error: {}", e)))?;
+
+    let profile_id = profile.ok_or_else(|| Status::not_found("Profile not found"))?.id;
+
+    // Lookup table_definition
+    let table_def = sqlx::query!(
+        r#"SELECT id, columns FROM table_definitions
+        WHERE profile_id = $1 AND table_name = $2"#,
+        profile_id,
+        table_name
+    )
+    .fetch_optional(db_pool)
+    .await
+    .map_err(|e| Status::internal(format!("Table lookup error: {}", e)))?;
+
+    let table_def = table_def.ok_or_else(|| Status::not_found("Table not found"))?;
+
+    // Parse user-defined columns from JSON
+    let columns_json: Vec<String> = serde_json::from_value(table_def.columns.clone())
+        .map_err(|e| Status::internal(format!("Column parsing error: {}", e)))?;
+
+    let mut user_columns = Vec::new();
+    for col_def in columns_json {
+        let parts: Vec<&str> = col_def.splitn(2, ' ').collect();
+        if parts.len() != 2 {
+            return Err(Status::internal("Invalid column format"));
+        }
+        let name = parts[0].trim_matches('"').to_string();
+        let sql_type = parts[1].to_string();
+        user_columns.push((name, sql_type));
+    }
+
+    // Prepare all columns (system + user-defined)
+    let system_columns = vec![
+        ("id".to_string(), "BIGINT".to_string()),
+        ("deleted".to_string(), "BOOLEAN".to_string()),
+        ("firma".to_string(), "TEXT".to_string()),
+    ];
+    let all_columns: Vec<(String, String)> = system_columns
+        .into_iter()
+        .chain(user_columns.into_iter())
+        .collect();
+
+    // Build SELECT clause with COALESCE and type casting
+    let columns_clause = all_columns
+        .iter()
+        .map(|(name, _)| format!("COALESCE(\"{0}\"::TEXT, '') AS \"{0}\"", name))
+        .collect::<Vec<_>>()
+        .join(", ");
+
+    let sql = format!(
+        "SELECT {} FROM \"{}\" WHERE id = $1 AND deleted = false",
+        columns_clause, table_name
+    );
+
+    // Execute query
+    let row = sqlx::query(&sql)
+        .bind(record_id)
+        .fetch_one(db_pool)
+        .await
+        .map_err(|e| match e {
+            sqlx::Error::RowNotFound => Status::not_found("Record not found"),
+            _ => Status::internal(format!("Database error: {}", e)),
+        })?;
+
+    // Build response data
+    let mut data = HashMap::new();
+    for (column_name, _) in &all_columns {
+        let value: String = row
+            .try_get(column_name.as_str())
+            .map_err(|e| Status::internal(format!("Failed to get column {}: {}", column_name, e)))?;
+        data.insert(column_name.clone(), value);
+    }
+
+    Ok(GetTableDataResponse { data })
+}