From bc6dcf8d4af72810b701f0a3b8ee75cbcf735794 Mon Sep 17 00:00:00 2001
From: Megha-Dev-19 <100185149+Megha-Dev-19@users.noreply.github.com>
Date: Thu, 7 Dec 2023 14:53:13 +0530
Subject: [PATCH] fix solutions description tagging (#554)

---
 src/devhub/entity/post/PostEditor.jsx | 81 ++++++++++++++++++---------
 src/devhub/page/create.jsx            |  4 +-
 2 files changed, 55 insertions(+), 30 deletions(-)

diff --git a/src/devhub/entity/post/PostEditor.jsx b/src/devhub/entity/post/PostEditor.jsx
index 1198a7d5d..cff6067ea 100644
--- a/src/devhub/entity/post/PostEditor.jsx
+++ b/src/devhub/entity/post/PostEditor.jsx
@@ -1,3 +1,27 @@
+initState({
+  seekingFunding: props.seekingFunding ?? false,
+  author_id: context.accountId,
+  // Should be a list of objects with field "name".
+  labels,
+  // Should be a list of labels as strings.
+  // Both of the label structures should be modified together.
+  labelStrings,
+  postType,
+  name: props.name ?? "",
+  description:
+    (props.postType === "Solution"
+      ? cleanDescription(props.description)
+      : props.description) ?? "",
+  amount: props.amount ?? "0",
+  token: props.token ?? "USDT",
+  supervisor: props.supervisor ?? "neardevdao.near",
+  githubLink: props.githubLink ?? "",
+  warning: "",
+  draftStateApplied: false,
+  mentionInput: "", // text next to @ tag
+  mentionsArray: [], // all the mentions in the description
+});
+
 /* INCLUDE: "core/lib/autocomplete" */
 const autocompleteEnabled = true;
 
@@ -10,23 +34,46 @@ const AutoComplete = styled.div`
 `;
 
 function textareaInputHandler(value) {
-  const showAccountAutocomplete = /@[\w][^\s]*$/.test(value);
+  const words = value.split(/\s+/);
+  const allMentiones = words
+    .filter((word) => word.startsWith("@"))
+    .map((mention) => mention.slice(1));
+  const newMentiones = allMentiones.filter(
+    (item) => !state.mentionsArray.includes(item)
+  );
+
   State.update((lastKnownState) => ({
     ...lastKnownState,
     text: value,
-    showAccountAutocomplete,
+    showAccountAutocomplete: newMentiones?.length > 0,
+    mentionsArray: allMentiones,
+    mentionInput: newMentiones?.[0] ?? "",
   }));
 }
 
 function autoCompleteAccountId(id) {
-  let description = state.description.replace(/[\s]{0,1}@[^\s]*$/, "");
-  description = `${description} @${id}`.trim() + " ";
+  // to make sure we update the @ at correct index
+  let currentIndex = 0;
+  const updatedDescription = state.description.replace(
+    /(?:^|\s)(@[^\s]*)/g,
+    (match) => {
+      if (currentIndex === state.mentionsArray.indexOf(state.mentionInput)) {
+        currentIndex++;
+        return ` @${id}`;
+      } else {
+        currentIndex++;
+        return match;
+      }
+    }
+  );
   State.update((lastKnownState) => ({
     ...lastKnownState,
-    description,
+    handler: "autocompleteSelected",
+    description: updatedDescription,
     showAccountAutocomplete: false,
   }));
 }
+
 /* END_INCLUDE: "core/lib/autocomplete" */
 
 const postType = props.postType ?? "Sponsorship";
@@ -49,28 +96,6 @@ const cleanDescription = (description) => {
   );
 };
 
-initState({
-  seekingFunding: props.seekingFunding ?? false,
-  author_id: context.accountId,
-  // Should be a list of objects with field "name".
-  labels,
-  // Should be a list of labels as strings.
-  // Both of the label structures should be modified together.
-  labelStrings,
-  postType,
-  name: props.name ?? "",
-  description:
-    (props.postType === "Solution"
-      ? cleanDescription(props.description)
-      : props.description) ?? "",
-  amount: props.amount ?? "0",
-  token: props.token ?? "USDT",
-  supervisor: props.supervisor ?? "neardevdao.near",
-  githubLink: props.githubLink ?? "",
-  warning: "",
-  draftStateApplied: false,
-});
-
 if (!state.draftStateApplied && props.draftState) {
   State.update({ ...props.draftState, draftStateApplied: true });
 }
@@ -388,7 +413,7 @@ const callDescriptionDiv = () => {
           <Widget
             src="${REPL_DEVHUB}/widget/devhub.components.molecule.AccountAutocomplete"
             props={{
-              term: state.text.split("@").pop(),
+              term: state.mentionInput,
               onSelect: autoCompleteAccountId,
               onClose: () => State.update({ showAccountAutocomplete: false }),
             }}
diff --git a/src/devhub/page/create.jsx b/src/devhub/page/create.jsx
index fcb685c54..78f238d0f 100644
--- a/src/devhub/page/create.jsx
+++ b/src/devhub/page/create.jsx
@@ -1,5 +1,3 @@
-/* INCLUDE: "core/lib/autocomplete" */
-
 State.init({
   seekingFunding: false,
   author_id: context.accountId,
@@ -21,6 +19,8 @@ State.init({
   mentionsArray: [], // all the mentions in the description
 });
 
+/* INCLUDE: "core/lib/autocomplete" */
+
 const autocompleteEnabled = true;
 
 const AutoComplete = styled.div`