From 46a578b5cc9c3230448e8d9db0ba6ff75d5b8852 Mon Sep 17 00:00:00 2001
From: Leon Jiang <35908040+leonyjiang@users.noreply.github.com>
Date: Mon, 8 Mar 2021 03:20:38 -0500
Subject: Create util for saving recently-searched categories

---
 src/utils/users.ts | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/users.ts b/src/utils/users.ts
index 653c941e..efae6d20 100644
--- a/src/utils/users.ts
+++ b/src/utils/users.ts
@@ -19,6 +19,7 @@ import {AppDispatch} from './../store/configureStore';
 import {RootState} from './../store/rootReducer';
 import {
   ProfilePreviewType,
+  CategoryPreviewType,
   ProfileType,
   ScreenType,
   UserType,
@@ -196,3 +197,36 @@ export const addUserToRecentlyViewed = async (user: ProfilePreviewType) => {
     console.log(e);
   }
 };
+
+/*
+ * Stores `category` in AsyncStorage as a recently searched category.
+ */
+export const addCategoryToRecentlySearched = async (
+  category: CategoryPreviewType,
+) => {
+  const recentlySearchedCategoriesKey = '@recently_searched_categories';
+  let categories: CategoryPreviewType[];
+  // retrieve recently-searched categories and set new list
+  try {
+    const categoriesJSON = await AsyncStorage.getItem(
+      recentlySearchedCategoriesKey,
+    );
+    if (categoriesJSON) {
+      categories = JSON.parse(categoriesJSON);
+      categories.push(category);
+    } else {
+      categories = [category];
+    }
+    // store updated list of recently-searched categories
+    try {
+      AsyncStorage.setItem(
+        recentlySearchedCategoriesKey,
+        JSON.stringify(categories),
+      );
+    } catch (e) {
+      console.log(e);
+    }
+  } catch (e) {
+    console.log(e);
+  }
+};
-- 
cgit v1.2.3-70-g09d2


From 1d4dd2b2e6496374063efe7a4e1f8bde5cab32b1 Mon Sep 17 00:00:00 2001
From: Leon Jiang <35908040+leonyjiang@users.noreply.github.com>
Date: Mon, 8 Mar 2021 05:48:09 -0500
Subject: Fix duplicate stores of a category

---
 src/utils/users.ts | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/users.ts b/src/utils/users.ts
index efae6d20..15107c99 100644
--- a/src/utils/users.ts
+++ b/src/utils/users.ts
@@ -213,6 +213,8 @@ export const addCategoryToRecentlySearched = async (
     );
     if (categoriesJSON) {
       categories = JSON.parse(categoriesJSON);
+      // TODO: make this more efficient by comparing shorter key
+      if (categories.find((c) => c.name === category.name)) return;
       categories.push(category);
     } else {
       categories = [category];
-- 
cgit v1.2.3-70-g09d2