add hashmap macro

actix_admin/actix_admin_macros/src/lib.rs

@@ -19,7 +19,7 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
         use std::convert::From;
         use async_trait::async_trait;
         use actix_web::{web, HttpResponse, HttpRequest, Error};
-        use actix_admin::{ ActixAdminField, ActixAdminModelTrait, ActixAdminViewModelTrait, ActixAdminViewModel, ActixAdminModel, AppDataTrait };
+        use actix_admin::{ ActixAdminField, ActixAdminModelTrait, ActixAdminViewModelTrait, ActixAdminViewModel, ActixAdminModel, AppDataTrait , hashmap};
         use sea_orm::ActiveValue::Set;
         use sea_orm::{ConnectOptions, DatabaseConnection};
         use sea_orm::{entity::*, query::*};
@@ -35,6 +35,19 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
             }
         }
 
+        impl From<Model> for ActixAdminModel {
+            fn from(model: Model) -> Self {
+                ActixAdminModel {
+                    // TODO: create dynamically
+                    values: hashmap![
+                        "title" => model.title,
+                        "text" => model.text,
+                        "id" => model.id.to_string()
+                    ]
+                }
+            }
+        }
+
         #[async_trait(?Send)]
         impl ActixAdminViewModelTrait for Entity {
             async fn list(db: &DatabaseConnection, page: usize, entities_per_page: usize) -> Vec<ActixAdminModel> {
@@ -68,14 +81,9 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
                 // TODO: must be dynamic
                 let mut model_entities = Vec::new();
                 for entity in entities {
-                    let mut model_values = HashMap::new();
-                    model_values.insert("title", entity.title);
-                    model_values.insert("text", entity.text);
-                    model_values.insert("id", entity.id.to_string());
                     model_entities.push(
-                        ActixAdminModel {
+                        ActixAdminModel::from(entity)
-                            values: model_values,
+                    );
-                        });
                 }
 
                 model_entities

actix_admin/src/lib.rs

@@ -11,6 +11,15 @@ pub use actix_admin_macros::DeriveActixAdminModel;
 
 const DEFAULT_ENTITIES_PER_PAGE: usize = 5;
 
+#[macro_export]
+macro_rules! hashmap {
+    ($( $key: expr => $val: expr ),*) => {{
+         let mut map = ::std::collections::HashMap::new();
+         $( map.insert($key, $val); )*
+         map
+    }}
+}
+
 // globals
 lazy_static! {
     static ref TERA: Tera =