From 84a83e67388b4ee83778470cad4b6e00a125ff10 Mon Sep 17 00:00:00 2001
From: seaerchin <chin@ers-macbook-pro.lan>
Date: Wed, 6 Sep 2023 16:38:46 +0800
Subject: [PATCH] refactor(utils): refactor to return error messages

---
 src/layouts/EditHomepage/EditHomepage.jsx | 15 +++++-
 src/layouts/EditHomepage/utils.ts         | 62 +++++++++++++----------
 2 files changed, 48 insertions(+), 29 deletions(-)

diff --git a/src/layouts/EditHomepage/EditHomepage.jsx b/src/layouts/EditHomepage/EditHomepage.jsx
index 538c8ac70..e45ace788 100644
--- a/src/layouts/EditHomepage/EditHomepage.jsx
+++ b/src/layouts/EditHomepage/EditHomepage.jsx
@@ -56,7 +56,7 @@ import {
   RESOURCES_SECTION,
 } from "./constants"
 import { HomepagePreview } from "./HomepagePreview"
-import { getDefaultValues, getHasErrorFromHomepageState } from "./utils"
+import { getDefaultValues, getErrorsFromHomepageState } from "./utils"
 
 /* eslint-disable react/no-array-index-key */
 
@@ -160,6 +160,7 @@ const EditHomepage = ({ match }) => {
     setDisplayHighlights(displayHighlights)
   }
   const heroSection = frontMatter.sections.filter((section) => !!section.hero)
+  const errorMessages = getErrorsFromHomepageState(homepageState)
 
   const errorToast = useErrorToast()
 
@@ -1092,8 +1093,18 @@ const EditHomepage = ({ match }) => {
               />
             </HStack>
             <Footer>
+              {errorMessages.some((message) => message.includes("longer")) && (
+                <Text
+                  mr="0.25rem"
+                  textStyle="body-2"
+                  textColor="base.content.medium"
+                >
+                  You have blocks without content. Please add content to your
+                  empty blocks before saving.
+                </Text>
+              )}
               <LoadingButton
-                isDisabled={getHasErrorFromHomepageState(homepageState)}
+                isDisabled={errorMessages.length > 0}
                 onClick={savePage}
               >
                 Save
diff --git a/src/layouts/EditHomepage/utils.ts b/src/layouts/EditHomepage/utils.ts
index 99d2e63c3..5e2f43703 100644
--- a/src/layouts/EditHomepage/utils.ts
+++ b/src/layouts/EditHomepage/utils.ts
@@ -14,57 +14,65 @@ export const getDefaultValues = (
   return _.mapValues(obj, () => "")
 }
 
+const validate = <T>(
+  obj: Record<string, T>,
+  predicate: (key: string, val: T) => string
+): string[] => {
+  return _(obj)
+    .entries()
+    .map(([key, value]) => predicate(key, value))
+    .filter()
+    .value()
+}
+
 // NOTE: We might wish to extend this so that we map the values to
 // error msg etc then extract an overall boolean based on that
 // but for now will return a bool
-export const getHasErrorFromHomepageState = ({
+export const getErrorsFromHomepageState = ({
   frontMatter,
-}: EditorHomepageState) => {
+}: EditorHomepageState): string[] => {
   // we validate the frontmatter to check that all the fields are valid
   const { sections } = frontMatter
   const [initialSection, ...rest] = sections
   const heroSection = (initialSection as HeroFrontmatterSection).hero
 
-  let hasError = false
+  let errorMessages: string[] = []
   if (isHighlightSection(heroSection)) {
-    hasError = heroSection.key_highlights.reduce((acc, cur) => {
-      const curErr = _(cur)
-        .entries()
-        .map(([key, value]) => validateHighlight(key, value))
-        .some()
-      return acc || curErr
-    }, hasError)
+    const highlightErrors = heroSection.key_highlights.reduce((acc, cur) => {
+      const curError = validate(cur, validateHighlight)
+      return [...acc, ...curError]
+    }, errorMessages)
+    errorMessages = [...errorMessages, ...highlightErrors]
   }
 
   // NOTE: This is mutually exclusive with the above check
   // as our hero section only has these 2 options.
   if (isDropdownSection(heroSection)) {
-    hasError = heroSection.dropdown.options.reduce((acc, cur) => {
-      const curError = _(cur)
-        .entries()
-        .map(([key, value]) => validateDropdownElem(key, value))
-        .some()
-      return acc || curError
-    }, hasError)
+    const dropdownErrors = heroSection.dropdown.options.reduce((acc, cur) => {
+      const curError = validate(cur, validateDropdownElem)
+      return [...acc, ...curError]
+    }, errorMessages)
+    errorMessages = [...errorMessages, ...dropdownErrors]
   }
 
   // NOTE: Section is an object keyed by the section type
   // this is, for example, `{ infobar: someValue }`
-  const hasSectionErrors = _(rest)
+  const sectionErrors = _(rest)
     .map((section) =>
       // NOTE: Section obj contains the actual values to validate
       // this is, for example, `title`/`subtitle`/`button` etc
-      _.entries(section).map(([sectionType, sectionObj]) =>
-        // NOTE: Check if there is some value for which validation failed
-        // we know validation fail as it returns a non-empty string
-        _.some(
-          sectionObj,
-          (val, key) => !!validateSection(sectionType, key, val)
+      _(section)
+        .entries()
+        .map(([sectionType, sectionObj]) =>
+          validate(sectionObj, (key, val) =>
+            validateSection(sectionType, key, val)
+          )
         )
-      )
+        .flatten()
+        .value()
     )
     .flatten()
-    .some()
+    .value()
 
-  return hasError || hasSectionErrors
+  return [...errorMessages, ...sectionErrors]
 }