src/newsreader/js/pages/homepage/actions/posts.js

@@ -27,6 +27,7 @@ export const postRead = (post, section) => ({
 export const markPostRead = (post, token) => {
   return (dispatch, getState) => {
     const { rules } = getState();
+    const { selected } = getState();
 
     const url = `/api/posts/${post.id}/`;
     const options = {
@@ -38,10 +39,7 @@ export const markPostRead = (post, token) => {
       body: JSON.stringify({ read: true }),
     };
 
-    const section = {
-      ...rules.items[post.rule],
-      type: RULE_TYPE,
-    };
+    const section = { ...selected.item };
 
     return fetch(url, options)
       .then(response => response.json())

src/newsreader/js/pages/homepage/reducers/categories.js

@@ -46,7 +46,16 @@ export const categories = (state = { ...defaultState }, action) => {
         isFetching: true,
       };
     case MARK_POST_READ:
-      let category = { ...state.items[action.section.category] };
+      let category = {};
+
+      switch (action.section.type) {
+        case CATEGORY_TYPE:
+          category = { ...state.items[action.section.id] };
+          break;
+        case RULE_TYPE:
+          category = { ...state.items[action.section.category] };
+          break;
+      }
 
       return {
         ...state,

src/newsreader/js/pages/homepage/reducers/rules.js

@@ -34,7 +34,7 @@ export const rules = (state = { ...defaultState }, action) => {
         isFetching: false,
       };
     case MARK_POST_READ:
-      const rule = { ...state.items[action.section.id] };
+      const rule = { ...state.items[action.post.rule] };
 
       return {
         ...state,