Project managers, board members, auto-update after reconnection, refactoring

client/src/selectors/router.js

@@ -0,0 +1,107 @@
+import { createSelector as createReselectSelector } from 'reselect';
+import { createSelector as createReduxOrmSelector } from 'redux-orm';
+
+import orm from '../orm';
+import { currentUserIdSelector } from './user';
+import matchPaths from '../utils/match-paths';
+import Paths from '../constants/Paths';
+
+export const pathnameSelector = ({
+  router: {
+    location: { pathname },
+  },
+}) => pathname;
+
+export const pathsMatchSelector = createReselectSelector(pathnameSelector, (pathname) =>
+  matchPaths(pathname, Object.values(Paths)),
+);
+
+export const pathSelector = createReduxOrmSelector(
+  orm,
+  pathsMatchSelector,
+  (state) => currentUserIdSelector(state),
+  ({ Project, Board, Card }, pathsMatch, currentUserId) => {
+    if (pathsMatch) {
+      switch (pathsMatch.path) {
+        case Paths.PROJECTS: {
+          const projectModel = Project.withId(pathsMatch.params.id);
+
+          if (!projectModel) {
+            return {
+              projectId: null,
+            };
+          }
+
+          if (!projectModel.hasManagerUser(currentUserId)) {
+            if (!projectModel.hasMemberUserForAnyBoard(currentUserId)) {
+              return {
+                projectId: null,
+              };
+            }
+          }
+
+          return {
+            projectId: projectModel.id,
+          };
+        }
+        case Paths.BOARDS: {
+          const boardModel = Board.withId(pathsMatch.params.id);
+          const projectModel = boardModel && boardModel.project;
+
+          if (!projectModel) {
+            return {
+              boardId: null,
+              projectId: null,
+            };
+          }
+
+          if (!projectModel.hasManagerUser(currentUserId)) {
+            if (!boardModel.hasMemberUser(currentUserId)) {
+              return {
+                boardId: null,
+                projectId: null,
+              };
+            }
+          }
+
+          return {
+            boardId: boardModel.id,
+            projectId: projectModel.id,
+          };
+        }
+        case Paths.CARDS: {
+          const cardModel = Card.withId(pathsMatch.params.id);
+          const boardModel = cardModel && cardModel.board;
+          const projectModel = boardModel && boardModel.project;
+
+          if (!projectModel) {
+            return {
+              cardId: null,
+              boardId: null,
+              projectId: null,
+            };
+          }
+
+          if (!projectModel.hasManagerUser(currentUserId)) {
+            if (!boardModel.hasMemberUser(currentUserId)) {
+              return {
+                cardId: null,
+                boardId: null,
+                projectId: null,
+              };
+            }
+          }
+
+          return {
+            cardId: cardModel.id,
+            boardId: boardModel.id,
+            projectId: projectModel.id,
+          };
+        }
+        default:
+      }
+    }
+
+    return {};
+  },
+);