Add comments to Prisma Schema and GraphQL server (#162)

* Lowercase all relations in prisma/graphql schema

* Add Comments data model and graphql schema

* Make comments availalble on the api through resolvers and guard them

* Update front graphql schema

* Fix PR

server/src/api/resolvers/comment.resolver.ts

@@ -0,0 +1,31 @@
+import { Resolver, Args, Mutation } from '@nestjs/graphql';
+import { UseGuards } from '@nestjs/common';
+import { JwtAuthGuard } from 'src/auth/guards/jwt.auth.guard';
+import { PrismaService } from 'src/database/prisma.service';
+import { Workspace } from '../@generated/workspace/workspace.model';
+import { AuthWorkspace } from './decorators/auth-workspace.decorator';
+import { CreateOneCommentArgs } from '../@generated/comment/create-one-comment.args';
+import { Comment } from '../@generated/comment/comment.model';
+import { CreateOneCommentGuard } from './guards/create-one-comment.guard';
+
+@UseGuards(JwtAuthGuard)
+@Resolver(() => Comment)
+export class CommentResolver {
+  constructor(private readonly prismaService: PrismaService) {}
+
+  @UseGuards(CreateOneCommentGuard)
+  @Mutation(() => Comment, {
+    nullable: false,
+  })
+  async createOneComment(
+    @Args() args: CreateOneCommentArgs,
+    @AuthWorkspace() workspace: Workspace,
+  ): Promise<Comment> {
+    return this.prismaService.comment.create({
+      data: {
+        ...args.data,
+        ...{ workspace: { connect: { id: workspace.id } } },
+      },
+    });
+  }
+}