pagination is added

src/compositions/betting/composition.rs

@@ -128,6 +128,25 @@ impl Composition {
     }
   }
 
+  fn get_pagination(&self, find_all: &models::FindAll) -> Result<String, Error> {
+    let mut query_pagination = String::new();
+
+    if let Some(pagination) = &find_all.pagination {
+      let page = pagination.page.unwrap_or(1);
+      if let Some(page_size) = pagination.page_size {
+        write!(
+          &mut query_pagination,
+          " OFFSET {} LIMIT {} ",
+          ((page - 1) * page_size) as i64,
+          page_size as i64
+        )
+        .map_err(|e| diesel::result::Error::QueryBuilderError(e.to_string().into()))?;
+      }
+    }
+
+    Ok(query_pagination)
+  }
+
   fn get_ordery_by(&self, find_all: &models::FindAll) -> Result<String, Error> {
     let mut query_ordery_by = String::new();
 
@@ -503,6 +522,11 @@ impl Composition {
       write!(&mut query, " ORDER BY {}", query_ordery_by)
         .map_err(|e| diesel::result::Error::QueryBuilderError(e.to_string().into()))?;
     }
+    let query_pagination = self.get_pagination(find_all)?;
+    if !query_pagination.is_empty() {
+      write!(&mut query, " {} ", query_pagination)
+        .map_err(|e| diesel::result::Error::QueryBuilderError(e.to_string().into()))?;
+    }
 
     println!("query: {}", query);