From bd3d9ee8cb49d7a77e9f70690766106b5a099b82 Mon Sep 17 00:00:00 2001
From: hpkoh <hpkoh99@gmail.com>
Date: Sun, 9 Oct 2022 10:36:31 +0800
Subject: [PATCH] [questions][feat] add answer comment crud

---
 .../router/questions-answer-comment-router.ts | 140 ++++++++++++++++++
 apps/portal/src/types/questions.d.ts          |   7 +
 2 files changed, 147 insertions(+)
 create mode 100644 apps/portal/src/server/router/questions-answer-comment-router.ts
 create mode 100644 apps/portal/src/types/questions.d.ts

diff --git a/apps/portal/src/server/router/questions-answer-comment-router.ts b/apps/portal/src/server/router/questions-answer-comment-router.ts
new file mode 100644
index 00000000..e86597bc
--- /dev/null
+++ b/apps/portal/src/server/router/questions-answer-comment-router.ts
@@ -0,0 +1,140 @@
+import { z } from 'zod';
+import { Vote } from '@prisma/client';
+import { TRPCError } from '@trpc/server';
+
+import { createProtectedRouter } from './context';
+
+import type { AnswerComment } from '~/types/questions';
+
+export const questionsAnswerCommentRouter = createProtectedRouter()
+  .query('getAnswerComments', {
+    input: z.object({
+      answerId: z.string(),
+    }),
+    async resolve({ ctx, input }) {
+      const questionAnswerCommentsData = await ctx.prisma.questionsAnswerComment.findMany({
+        include: {
+        user: {
+          select: {
+            name: true,
+          },
+        },
+        votes: true,
+        },
+        orderBy: {
+          createdAt: 'desc',
+        },
+        where: {
+          ...input,
+        },
+    });
+    return questionAnswerCommentsData.map((data) => {
+      const votes:number = data.votes.reduce(
+        (previousValue:number, currentValue) => {
+          let result:number = previousValue;
+
+          switch(currentValue.vote) {
+          case Vote.UPVOTE:
+            result += 1
+            break;
+          case Vote.DOWNVOTE:
+            result -= 1
+            break;
+          }
+          return result;
+        },
+        0
+        );
+
+      let userName = "";
+
+      if (data.user) {
+        userName = data.user.name!;
+      }
+
+
+      const answerComment: AnswerComment = {
+        content: data.content,
+        id: data.id,
+        numVotes: votes,
+        updatedAt: data.updatedAt,
+        user: userName,
+      };
+      return answerComment;
+    });
+    }
+  })
+  .mutation('create', {
+    input: z.object({
+      answerId: z.string(),
+      content: z.string(),
+    }),
+    async resolve({ ctx, input }) {
+      const userId = ctx.session?.user?.id;
+
+      return await ctx.prisma.questionsAnswerComment.create({
+        data: {
+          ...input,
+          userId,
+        },
+      });
+    },
+  })
+  .mutation('update', {
+    input: z.object({
+      content: z.string().optional(),
+      id: z.string(),
+    }),
+    async resolve({ ctx, input }) {
+      const userId = ctx.session?.user?.id;
+
+      const questionCommentToUpdate = await ctx.prisma.questionsAnswerComment.findUnique({
+        where: {
+          id: input.id,
+        },
+      });
+
+      if (questionCommentToUpdate?.id !== userId) {
+        throw new TRPCError({
+          code: 'UNAUTHORIZED',
+          message: 'User have no authorization to record.',
+        });
+      }
+
+      return await ctx.prisma.questionsAnswerComment.update({
+        data: {
+          ...input,
+        },
+        where: {
+          id: input.id,
+        },
+      });
+    },
+  })
+  .mutation('delete', {
+    input: z.object({
+      id: z.string(),
+    }),
+    async resolve({ ctx, input }) {
+      const userId = ctx.session?.user?.id;
+
+      const questionCommentToUpdate = await ctx.prisma.questionsAnswerComment.findUnique({
+        where: {
+          id: input.id,
+        },
+      });
+
+      if (questionCommentToUpdate?.id !== userId) {
+        throw new TRPCError({
+          code: 'UNAUTHORIZED',
+          message: 'User have no authorization to record.',
+        });
+      }
+
+      return await ctx.prisma.questionsAnswerComment.delete({
+        where: {
+          id: input.id,
+        },
+      });
+    },
+  });
\ No newline at end of file
diff --git a/apps/portal/src/types/questions.d.ts b/apps/portal/src/types/questions.d.ts
new file mode 100644
index 00000000..8fba30b9
--- /dev/null
+++ b/apps/portal/src/types/questions.d.ts
@@ -0,0 +1,7 @@
+export type AnswerComment = {
+  content: string;
+  id: string;
+  numVotes: number;
+  updatedAt: Date;
+  user: string;
+};
\ No newline at end of file