chore: move Kanban code to separate module

web/src/shared/utils/boardState.ts

@@ -0,0 +1,50 @@
+import produce from 'immer';
+
+export const addTask = (currentState: BoardState, newTask: Task) => {
+  return produce(currentState, (draftState: BoardState) => {
+    currentState.tasks[newTask.taskID] = newTask;
+  });
+};
+
+export const deleteTask = (currentState: BoardState, taskID: string) => {
+  return produce(currentState, (draftState: BoardState) => {
+    delete draftState.tasks[taskID];
+  });
+};
+
+export const addTaskGroup = (currentState: BoardState, newTaskGroup: TaskGroup) => {
+  return produce(currentState, (draftState: BoardState) => {
+    draftState.columns[newTaskGroup.taskGroupID] = newTaskGroup;
+  });
+};
+
+export const updateTaskGroup = (currentState: BoardState, newTaskGroup: TaskGroup) => {
+  return produce(currentState, (draftState: BoardState) => {
+    draftState.columns[newTaskGroup.taskGroupID] = newTaskGroup;
+  });
+};
+
+export const updateTask = (currentState: BoardState, newTask: Task) => {
+  return produce(currentState, (draftState: BoardState) => {
+    draftState.tasks[newTask.taskID] = newTask;
+  });
+};
+
+export const deleteTaskGroup = (currentState: BoardState, deletedTaskGroupID: string) => {
+  return produce(currentState, (draftState: BoardState) => {
+    delete draftState.columns[deletedTaskGroupID];
+    const filteredTasks = Object.keys(currentState.tasks)
+      .filter(taskID => currentState.tasks[taskID].taskGroup.taskGroupID !== deletedTaskGroupID)
+      .reduce((obj: TaskState, key: string) => {
+        obj[key] = currentState.tasks[key];
+        return obj;
+      }, {});
+    draftState.tasks = filteredTasks;
+  });
+};
+
+export const updateTaskName = (currentState: BoardState, taskID: string, newName: string) => {
+  return produce(currentState, (draftState: BoardState) => {
+    draftState.tasks[taskID].name = newName;
+  });
+};