1 files changed, 67 insertions, 0 deletions
diff --git a/src/refreshToDos.js b/src/refreshToDos.js
new file mode 100644
index 0000000..c599606
--- /dev/null
+++ b/src/refreshToDos.js
@@ -0,0 +1,67 @@
+import { set_todo, empty_todos, change_page } from "./features/todo/reducer";
+
+import {
+    set_fil_sort_function,
+    get_todos_page_function,
+    get_nu_pages_function,
+} from "./api/axios_methods";
+
+export function refresh_todos(my_filters, my_sorters, my_curr_page, dispatch) {
+    // Call the API to refresh sorters and filters.
+    const set_fil_sor_api = set_fil_sort_function();
+
+    set_fil_sor_api({
+        filter: {
+            name: my_filters.name,
+            priority: my_filters.priority,
+            state: my_filters.state,
+        },
+        sort: {
+            field: my_sorters.split("/")[0],
+            order: my_sorters.split("/")[1],
+        },
+    });
+
+    // Get the total number of pages. Change the current page if necessary.
+    const get_nu_pages_api = get_nu_pages_function();
+    const total_pages_api = get_nu_pages_api();
+
+    if (total_pages_api < my_curr_page) {
+        dispatch(
+            change_page({
+                page: total_pages_api,
+            })
+        );
+    }
+
+    // Delete all current to dos we have stored and retrieve new to dos from API.
+    const get_todos_api = get_todos_page_function();
+
+    function handle_new_todos_page(todos_list) {
+        dispatch(empty_todos());
+        todos_list.map((todo) => {
+            // API stores dates in ISO format and in GMT. We have to add the
+            // timezone offset.
+            const due_date = new Date(todo.dueDate);
+            const offset = due_date.getTimezoneOffset();
+
+            dispatch(
+                set_todo({
+                    id: todo.id,
+                    text: todo.text,
+                    due_date:
+                        todo.dueDate != null
+                            ? new Date(due_date - offset * 60 * 1000)
+                                  .toISOString()
+                                  .slice(0, -1)
+                            : "",
+                    done: todo.done,
+                    priority: todo.priority,
+                    creation_date: todo.creationDate,
+                })
+            );
+        });
+    }
+
+    get_todos_api(handle_new_todos_page, { page: my_curr_page });
+}