add paging

actix_admin/actix_admin_macros/src/lib.rs

@@ -96,8 +96,8 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
 
         #[async_trait(?Send)]
         impl ActixAdminViewModelTrait for Entity {
-            async fn list(db: &DatabaseConnection, page: usize, entities_per_page: usize) -> Vec<ActixAdminModel> {
-                let entities = Entity::list_model(db, 1, 5).await;
+            async fn list(db: &DatabaseConnection, page: usize, entities_per_page: usize) -> (usize, Vec<ActixAdminModel>) {
+                let entities = Entity::list_model(db, page, entities_per_page).await;
                 entities
             }
 
@@ -146,11 +146,12 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
 
         #[async_trait]
         impl ActixAdminModelTrait for Entity {
-            async fn list_model(db: &DatabaseConnection, page: usize, posts_per_page: usize) -> Vec<ActixAdminModel> {
+            async fn list_model(db: &DatabaseConnection, page: usize, posts_per_page: usize) -> (usize, Vec<ActixAdminModel>) {
                 use sea_orm::{ query::* };
                 let paginator = Entity::find()
                     .order_by_asc(Column::Id)
                     .paginate(db, posts_per_page);
+                let num_pages = paginator.num_pages().await.ok().unwrap();
                 let entities = paginator
                     .fetch_page(page - 1)
                     .await
@@ -162,7 +163,7 @@ pub fn derive_crud_fns(input: proc_macro::TokenStream) -> proc_macro::TokenStrea
                     );
                 }
 
-                model_entities
+                (num_pages, model_entities)
             }
 
             fn get_fields() -> Vec<(String, ActixAdminField)> {

actix_admin/src/model.rs

@@ -11,7 +11,7 @@ pub trait ActixAdminModelTrait {
         db: &DatabaseConnection,
         page: usize,
         posts_per_page: usize,
-    ) -> Vec<ActixAdminModel>;
+    ) -> (usize, Vec<ActixAdminModel>);
     fn get_fields() -> Vec<(String, ActixAdminField)>;
 }
 

actix_admin/src/routes/list.rs

@@ -34,14 +34,16 @@ pub async fn list<T: ActixAdminAppDataTrait, E: ActixAdminViewModelTrait>(
         .unwrap_or(DEFAULT_ENTITIES_PER_PAGE);
 
     let db = data.get_db();
-    let entities: Vec<ActixAdminModel> = E::list(db, page, entities_per_page).await;
+    let result: (usize, Vec<ActixAdminModel>) = E::list(db, page, entities_per_page).await;
+    let entities = result.1;
+    let num_pages = result.0;
 
     let mut ctx = Context::new();
     ctx.insert("entity_names", &entity_names);
     ctx.insert("entities", &entities);
     ctx.insert("page", &page);
     ctx.insert("entities_per_page", &entities_per_page);
-    ctx.insert("num_pages", "5" /*&num_pages*/);
+    ctx.insert("num_pages", &num_pages);
     ctx.insert("view_model", &view_model);
 
     let body = TERA

actix_admin/src/view_model.rs

@@ -11,7 +11,7 @@ pub trait ActixAdminViewModelTrait {
         db: &DatabaseConnection,
         page: usize,
         entities_per_page: usize,
-    ) -> Vec<ActixAdminModel>;
+    ) -> (usize, Vec<ActixAdminModel>);
     
     // TODO: Replace return value with proper Result Type containing Ok or Err
     async fn create_entity(db: &DatabaseConnection, model: ActixAdminModel) -> ActixAdminModel;

actix_admin/templates/list.html

@@ -1,27 +1,48 @@
 {% extends "base.html" %}
 
 {% block content %}
-<a href="create" role="button">Create</a>
-<table>
-    <tr>
-        {% for model_field in view_model.fields -%}
-        <th>{{ model_field[0] }}</th>
+<a href="create" role="button">&#43;</a>
+<table role="grid">
+    <thead>
+        <tr>
+            {% for model_field in view_model.fields -%}
+            <th>{{ model_field[0] }}</th>
+            {%- endfor %}
+            <th>
+                <!-- Edit Action -->
+                <!-- Delete Action -->
+            </th>
+        </tr>
+    </thead>
+    <tbody>
+        {% for entity in entities -%}
+        <tr>
+            {% for model_field in view_model.fields -%}
+            <td>{{ entity.values | get(key=model_field[0]) }}</td>
+            {%- endfor %}
+            <td>
+                <a href="edit/{{ entity.values | get(key=view_model.fields[0][0]) }}">&#9998;</a>
+                <a href="delete/{{ entity.values | get(key=view_model.fields[0][0]) }}">&#128465;</a>
+                <!--
+                    <form method="post" action="delete/{{ entity.values | get(key=view_model.fields[0][0]) }}">
+                    <button type="submit">&#128465;</button>
+                </form>
+                -->
+            </td>
+        </tr>
         {%- endfor %}
-        <th><!-- Edit Action --></th>
-        <th><!-- Delete Action --></th>
-    </tr>
-    {% for entity in entities -%}
-    <tr>
-        {% for model_field in view_model.fields -%}
-        <td>{{ entity.values | get(key=model_field[0]) }}</td>
-        {%- endfor %}
-        <td><a href="edit/{{ entity.values | get(key=view_model.fields[0][0]) }}" role="button">Edit</a></td>
-        <td>
-            <form method="post" action="delete/{{ entity.values | get(key=view_model.fields[0][0]) }}">
-                <button type="submit">Delete</button>
-            </form>
-        </td>
-    </tr>
-    {%- endfor %}
+    </tbody>
+    <tfoot>
+        <tr>
+            <td colspan="{{ num_pages + 2 }}">
+                <div>
+                    <a href="?page={{ page - 1 }}&entities_per_page={{ entities_per_page }}">&laquo;</a>
+                    {% for i in range(end=num_pages) %}
+                    <a href="?page={{ i + 1 }}&entities_per_page={{ entities_per_page }}">{{ i + 1 }}</a>
+                    {%- endfor %}
+                    <a href="?page={{ page + 1 }}&entities_per_page={{ entities_per_page }}">&raquo;</a>
+            </td>
+        </tr>
+    </tfoot>
 </table>
 {% endblock content %}