feat: add edit vote feature

packages/api/src/listener/agenda.ts

@@ -1,5 +1,5 @@
 import * as schema from "@biseo/interface/agenda";
-import { retrieveAll, vote } from "@biseo/api/service/agenda";
+import { retrieveAll, editVote, vote } from "@biseo/api/service/agenda";
 
 import { Router } from "@biseo/api/lib/listener";
 
@@ -9,6 +9,11 @@ router.on("agenda.retrieveAll", schema.RetrieveAll, async (_, { user }) =>
   retrieveAll(user),
 );
 
+router.on("agenda.edit", schema.EditVote, async (req, { io, user }) => {
+  await editVote(req, io, user);
+  return {};
+});
+
 router.on("agenda.vote", schema.Vote, async (req, { io, user }) => {
   await vote(req, io, user);
   return {};

packages/api/src/service/agenda.ts

@@ -92,6 +92,54 @@ export const retrieveAll = async (
   return res;
 };
 
+export const editVote = async (
+  { choiceId, agendaId }: schema.Vote,
+  io: BiseoServer,
+  user: User,
+) => {
+  const existingVote = await prisma.userChoice.findFirst({
+    where: {
+      userId: user.id,
+      choice: {
+        agendaId,
+      },
+    },
+  });
+
+  if (!existingVote) throw new BiseoError("No previous vote found");
+
+  await prisma.userChoice.delete({
+    where: {
+      userId_choiceId: {
+        userId: user.id,
+        choiceId: existingVote.choiceId,
+      },
+    },
+  });
+
+  await prisma.userChoice.create({
+    data: {
+      userId: user.id,
+      choiceId,
+    },
+  });
+
+  io.to(`user/${user.username}`).emit("agenda.voted", {
+    id: agendaId,
+    user: { voted: choiceId },
+    voters: {
+      voted: await prisma.userChoice.count({
+        where: {
+          choice: { agendaId },
+        },
+      }),
+      total: await prisma.userAgendaVotable.count({
+        where: { agendaId },
+      }),
+    },
+  });
+};
+
 export const vote = async (
   { choiceId, agendaId }: schema.Vote,
   io: BiseoServer,

packages/interface/src/agenda/client.ts

@@ -11,6 +11,18 @@ export type RetrieveAll = z.infer<typeof RetrieveAll>;
 export const RetrieveAllCb = z.array(Agenda);
 export type RetrieveAllCb = z.infer<typeof RetrieveAllCb>;
 
+/**
+ * Edit Vote
+ * description
+ */
+export const EditVote = z.object({
+  choiceId: z.number(),
+  agendaId: z.number(),
+});
+export type EditVote = z.infer<typeof EditVote>;
+export const EditVoteCb = z.object({});
+export type EditVoteCb = z.infer<typeof EditVoteCb>;
+
 /**
  * Vote
  * description

packages/interface/src/events.ts

@@ -17,6 +17,7 @@ export type ClientToServerEvents = Events<{
   agenda: {
     retrieveAll: Ev<agenda.RetrieveAll, agenda.RetrieveAllCb>;
     vote: Ev<agenda.Vote, agenda.VoteCb>;
+    edit: Ev<agenda.EditVote, agenda.EditVoteCb>;
     template: {
       create: Ev<agendaTemplate.Create, agendaTemplate.CreateCb>;
       retrieveAll: Ev<agendaTemplate.RetrieveAll, agendaTemplate.RetrieveAllCb>;
@@ -59,6 +60,7 @@ export type ServerToClientEvents = Events<{
     updated: Ev<agenda.Updated>;
     started: Ev<agenda.Started>;
     voted: Ev<agenda.Voted>;
+    voteEdited: Ev<agenda.Voted>;
     terminated: Ev<agenda.Terminated>;
     deleted: Ev<agenda.Deleted>;
     reminded: Ev<agenda.Reminded>;

packages/web/src/components/atoms/Button.tsx

@@ -13,9 +13,17 @@ export const Button = styled.button<{
   w?: Size;
   h?: Size;
   color?: Color;
+  textColor?: Color;
   padHorizontal?: number;
 }>(
-  ({ w = "fill", h = 28, color = "blue200", padHorizontal = 0, theme }) => css`
+  ({
+    w = "fill",
+    h = 28,
+    color = "blue200",
+    textColor = "black",
+    padHorizontal = 0,
+    theme,
+  }) => css`
     display: flex;
     width: ${calcSize(w)};
     height: ${calcSize(h)};
@@ -26,6 +34,7 @@ export const Button = styled.button<{
     align-items: center;
     line-height: 28px;
     background-color: ${theme.colors[color]};
+    color: ${theme.colors[textColor]};
 
     &:hover {
       cursor: pointer;

packages/web/src/components/molecules/AgendaCard/OngoingAgendaCard.tsx

@@ -26,8 +26,10 @@ const agendaTags = {
 
 export const OngoingAgendaCard: React.FC<OngoingAgendaProps> = ({ agenda }) => {
   const [chosenChoiceId, setChosenChoiceId] = useState(0);
-  const { voteAgenda } = useAgenda(state => ({
+  const [isEditing, setIsEditing] = useState(false);
+  const { voteAgenda, editVote } = useAgenda(state => ({
     voteAgenda: state.voteAgenda,
+    editVote: state.editVote,
   }));
 
   const vote = useCallback(() => {
@@ -47,14 +49,20 @@ export const OngoingAgendaCard: React.FC<OngoingAgendaProps> = ({ agenda }) => {
     [chosenChoiceId],
   );
 
+  const submitEdit = useCallback(() => {
+    editVote(chosenChoiceId, agenda.id);
+    setIsEditing(false);
+  }, [chosenChoiceId, agenda.id]);
+
   let choices: JSX.Element | JSX.Element[] = <NotVotableChoice />;
   if (agenda.user.votable) {
-    if (agenda.user.voted) {
+    if (agenda.user.voted && !isEditing) {
       choices = (
         <CompletedChoice
           choice={agenda.choices.find(
             choice => choice.id === agenda.user.voted,
           )}
+          onEdit={() => setIsEditing(true)}
         />
       );
     } else {
@@ -85,9 +93,20 @@ export const OngoingAgendaCard: React.FC<OngoingAgendaProps> = ({ agenda }) => {
             <p css={[text.subtitle, text.gray500]}>{agenda.content}</p>
           </div>
         </div>
-        <div css={[column, gap(6)]}>
-          <p css={[text.body, text.blue600]}>{agenda.resolution}</p>
-          {choices}
+        <div css={[column, gap(10)]}>
+          <div css={[column, gap(6)]}>
+            <p css={[text.body, text.blue600]}>{agenda.resolution}</p>
+            {choices}
+          </div>
+          {isEditing && (
+            <div css={[row, justify.end, w("fill")]}>
+              <Button w={90} disabled={!chosen} onClick={submitEdit}>
+                <p css={[text.option1, chosen ? text.blue600 : text.blue300]}>
+                  제출하기
+                </p>
+              </Button>
+            </div>
+          )}
         </div>
         {agenda.user.votable && !agenda.user.voted && (
           <div css={[row, justify.end, w("fill")]}>

packages/web/src/components/molecules/Choice.tsx

@@ -3,10 +3,19 @@ import styled from "@emotion/styled";
 import { css } from "@emotion/react";
 
 import type { Choice } from "@biseo/interface/agenda";
-import { Text } from "@biseo/web/components/atoms";
+import { Text, Button } from "@biseo/web/components/atoms";
 import { SelectIcon } from "@biseo/web/assets";
 import { type Color, theme } from "@biseo/web/theme";
-import { center, h, w } from "@biseo/web/styles";
+import {
+  gap,
+  column,
+  center,
+  row,
+  justify,
+  text,
+  h,
+  w,
+} from "@biseo/web/styles";
 
 const Container = styled.div<{
   color: Color;
@@ -69,6 +78,7 @@ interface ChoiceBaseProps {
 
 const ChoiceBase: React.FC<ChoiceBaseProps> = ({
   variant,
+  // eslint-disable-next-line @typescript-eslint/no-shadow
   text,
   onClick = () => {},
   onMouseEnter = () => {},
@@ -112,27 +122,38 @@ export const ChoiceComponent: React.FC<ChoiceProps> = ({
 
 interface CompletedChoiceProps {
   choice?: Choice;
+  onEdit: () => void;
 }
 
 export const CompletedChoice: React.FC<CompletedChoiceProps> = ({
   choice = undefined,
+  onEdit,
 }) => {
   const [hover, setHover] = useState(false);
 
-  return hover ? (
-    <ChoiceBase
-      variant="hover"
-      text={choice?.name ?? ""}
-      onMouseEnter={() => setHover(true)}
-      onMouseLeave={() => setHover(false)}
-    />
-  ) : (
-    <ChoiceBase
-      variant="chosen"
-      text="투표 완료"
-      onMouseEnter={() => setHover(true)}
-      onMouseLeave={() => setHover(false)}
-    />
+  return (
+    <div css={[column, gap(10)]}>
+      {hover ? (
+        <ChoiceBase
+          variant="hover"
+          text={choice?.name ?? ""}
+          onMouseEnter={() => setHover(true)}
+          onMouseLeave={() => setHover(false)}
+        />
+      ) : (
+        <ChoiceBase
+          variant="chosen"
+          text="투표 완료"
+          onMouseEnter={() => setHover(true)}
+          onMouseLeave={() => setHover(false)}
+        />
+      )}
+      <div css={[row, justify.end, w("fill")]}>
+        <Button w={90} onClick={onEdit}>
+          <p css={[text.option1, text.blue600]}>수정하기</p>
+        </Button>
+      </div>
+    </div>
   );
 };
 

packages/web/src/services/agenda.ts

@@ -5,6 +5,7 @@
 interface AgendaState {
   agendas: Agenda[];
   voteAgenda: (choiceId: number, agendaId: number) => void;
+  editVote: (choiceId: number, agendaId: number) => void;
   retrieveAgendas: () => void;
 }
 
@@ -17,6 +18,13 @@
       // TODO: globally handle error using zustand middleware
     }
   },
+  editVote: async (choiceId, agendaId) => {
+    try {
+      await socket.emitAsync("agenda.edit", { choiceId, agendaId });
+    } catch (error) {
+      // TODO: globally handle error using zustand middleware
+    }
+  },
   retrieveAgendas: async () => {
     try {
       const agendas = await socket.emitAsync("agenda.retrieveAll", {});
@@ -62,7 +70,7 @@
 
 socket.on("agenda.reminded", reminded => {
   // TODO: Fix the alert algorithm according to the design
   alert(`Reminder Alert ${reminded.agendaId}: ${reminded.message}`);
 });
 
 export { useAgenda };