refactor(api): extract comment procedures

This commit is contained in:
2026-03-31 19:16:57 +02:00
parent d5b52e5959
commit 814d5adfde
3 changed files with 516 additions and 241 deletions
@@ -0,0 +1,254 @@
import { TRPCError } from "@trpc/server";
import { z } from "zod";
import { createAuditEntry } from "../lib/audit.js";
import { assertCommentEntityAccess, CommentEntityTypeSchema } from "../lib/comment-entity-registry.js";
import { createNotification } from "../lib/create-notification.js";
import type { TRPCContext } from "../trpc.js";
import {
assertCommentManageableByActor,
buildCommentCreateData,
buildCommentMentionNotifications,
commentBelongsToEntity,
commentThreadInclude,
commentWithAuthorInclude,
parseCommentMentions,
} from "./comment-support.js";
export const CommentEntityInputSchema = z.object({
entityType: CommentEntityTypeSchema,
entityId: z.string(),
});
export const CommentMentionCandidatesInputSchema = CommentEntityInputSchema.extend({
query: z.string().trim().max(100).optional(),
});
export const CreateCommentInputSchema = CommentEntityInputSchema.extend({
parentId: z.string().optional(),
body: z.string().min(1).max(10_000),
});
export const ResolveCommentInputSchema = z.object({
id: z.string(),
resolved: z.boolean().default(true),
});
export const DeleteCommentInputSchema = z.object({
id: z.string(),
});
type CommentProcedureContext = Pick<TRPCContext, "db" | "dbUser" | "roleDefaults">;
type CreateCommentProcedureContext = Pick<TRPCContext, "db" | "dbUser" | "roleDefaults">;
export async function listComments(
ctx: CommentProcedureContext,
input: z.infer<typeof CommentEntityInputSchema>,
) {
await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
return ctx.db.comment.findMany({
where: {
entityType: input.entityType,
entityId: input.entityId,
parentId: null,
},
include: commentThreadInclude,
orderBy: { createdAt: "asc" },
});
}
export async function countComments(
ctx: CommentProcedureContext,
input: z.infer<typeof CommentEntityInputSchema>,
) {
await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
return ctx.db.comment.count({
where: {
entityType: input.entityType,
entityId: input.entityId,
},
});
}
export async function listCommentMentionCandidates(
ctx: CommentProcedureContext,
input: z.infer<typeof CommentMentionCandidatesInputSchema>,
) {
const normalizedQuery = input.query && input.query.length > 0 ? input.query : undefined;
const policy = await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
return policy.listMentionCandidates(ctx, input.entityId, normalizedQuery);
}
export async function createComment(
ctx: CreateCommentProcedureContext,
input: z.infer<typeof CreateCommentInputSchema>,
) {
const policy = await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
const authorId = ctx.dbUser?.id;
if (!authorId) {
throw new TRPCError({ code: "UNAUTHORIZED" });
}
const mentions = parseCommentMentions(input.body);
if (input.parentId) {
const parent = await ctx.db.comment.findUnique({
where: { id: input.parentId },
select: { id: true, entityType: true, entityId: true },
});
if (!parent) {
throw new TRPCError({ code: "NOT_FOUND", message: "Parent comment not found" });
}
if (!commentBelongsToEntity({
comment: parent,
entityType: input.entityType,
entityId: input.entityId,
})) {
throw new TRPCError({
code: "BAD_REQUEST",
message: "Parent comment does not belong to the requested entity",
});
}
}
const comment = await ctx.db.comment.create({
data: buildCommentCreateData({
entityType: input.entityType,
entityId: input.entityId,
parentId: input.parentId,
authorId,
body: input.body,
mentions,
}),
include: commentWithAuthorInclude,
});
const mentionedUserIds = mentions.filter((id) => id !== authorId);
if (mentionedUserIds.length > 0) {
const authorName = comment.author.name ?? comment.author.email;
const notifications = buildCommentMentionNotifications({
mentionedUserIds,
authorName,
body: input.body,
entityId: input.entityId,
entityType: input.entityType,
senderId: authorId,
link: policy.buildLink(input.entityId),
});
await Promise.all(
notifications.map((notification) =>
createNotification({
db: ctx.db,
...notification,
})),
);
}
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: comment.id,
entityName: input.body.slice(0, 50),
action: "CREATE",
...(ctx.dbUser?.id ? { userId: ctx.dbUser.id } : {}),
after: comment as unknown as Record<string, unknown>,
source: "ui",
});
return comment;
}
async function findManageableComment(
ctx: CommentProcedureContext,
id: string,
) {
const existing = await ctx.db.comment.findUnique({
where: { id },
select: { id: true, authorId: true, entityType: true, entityId: true },
});
if (!existing) {
throw new TRPCError({ code: "NOT_FOUND", message: "Comment not found" });
}
await assertCommentEntityAccess(ctx, existing.entityType, existing.entityId);
return existing;
}
export async function resolveComment(
ctx: CommentProcedureContext,
input: z.infer<typeof ResolveCommentInputSchema>,
) {
const userId = ctx.dbUser?.id;
if (!userId) {
throw new TRPCError({ code: "UNAUTHORIZED" });
}
const existing = await findManageableComment(ctx, input.id);
assertCommentManageableByActor({
authorId: existing.authorId,
actorUserId: userId,
isAdmin: ctx.dbUser?.systemRole === "ADMIN",
action: "resolve",
});
const updated = await ctx.db.comment.update({
where: { id: input.id },
data: { resolved: input.resolved },
include: commentWithAuthorInclude,
});
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: input.id,
action: "UPDATE",
...(ctx.dbUser?.id ? { userId: ctx.dbUser.id } : {}),
summary: input.resolved ? "Resolved comment" : "Unresolved comment",
after: updated as unknown as Record<string, unknown>,
source: "ui",
});
return updated;
}
export async function deleteComment(
ctx: CommentProcedureContext,
input: z.infer<typeof DeleteCommentInputSchema>,
) {
const userId = ctx.dbUser?.id;
if (!userId) {
throw new TRPCError({ code: "UNAUTHORIZED" });
}
const existing = await findManageableComment(ctx, input.id);
assertCommentManageableByActor({
authorId: existing.authorId,
actorUserId: userId,
isAdmin: ctx.dbUser?.systemRole === "ADMIN",
action: "delete",
});
await ctx.db.comment.deleteMany({
where: { parentId: input.id },
});
await ctx.db.comment.delete({
where: { id: input.id },
});
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: input.id,
action: "DELETE",
...(ctx.dbUser?.id ? { userId: ctx.dbUser.id } : {}),
before: existing as unknown as Record<string, unknown>,
source: "ui",
});
}
+24 -241
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@@ -1,257 +1,40 @@
import { z } from "zod";
import { TRPCError } from "@trpc/server";
import { createTRPCRouter, protectedProcedure } from "../trpc.js";
import { createNotification } from "../lib/create-notification.js";
import { createAuditEntry } from "../lib/audit.js";
import { assertCommentEntityAccess, CommentEntityTypeSchema } from "../lib/comment-entity-registry.js";
import {
assertCommentManageableByActor,
buildCommentCreateData,
buildCommentMentionNotifications,
commentBelongsToEntity,
commentThreadInclude,
commentWithAuthorInclude,
parseCommentMentions,
} from "./comment-support.js";
// ─── Router ───────────────────────────────────────────────────────────────────
CommentEntityInputSchema,
CommentMentionCandidatesInputSchema,
CreateCommentInputSchema,
DeleteCommentInputSchema,
ResolveCommentInputSchema,
countComments,
createComment,
deleteComment,
listCommentMentionCandidates,
listComments,
resolveComment,
} from "./comment-procedure-support.js";
export const commentRouter = createTRPCRouter({
/** List comments for a given entity, with author info and 1-level nested replies */
list: protectedProcedure
.input(
z.object({
entityType: CommentEntityTypeSchema,
entityId: z.string(),
}),
)
.query(async ({ ctx, input }) => {
await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
.input(CommentEntityInputSchema)
.query(({ ctx, input }) => listComments(ctx, input)),
return ctx.db.comment.findMany({
where: {
entityType: input.entityType,
entityId: input.entityId,
parentId: null, // only top-level comments
},
include: commentThreadInclude,
orderBy: { createdAt: "asc" },
});
}),
/** List mention candidates that match the audience of the backing comment entity */
listMentionCandidates: protectedProcedure
.input(
z.object({
entityType: CommentEntityTypeSchema,
entityId: z.string(),
query: z.string().trim().max(100).optional(),
}),
)
.query(async ({ ctx, input }) => {
const normalizedQuery = input.query && input.query.length > 0 ? input.query : undefined;
const policy = await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
return policy.listMentionCandidates(ctx, input.entityId, normalizedQuery);
}),
.input(CommentMentionCandidatesInputSchema)
.query(({ ctx, input }) => listCommentMentionCandidates(ctx, input)),
/** Count comments for a given entity (used for badge) */
count: protectedProcedure
.input(
z.object({
entityType: CommentEntityTypeSchema,
entityId: z.string(),
}),
)
.query(async ({ ctx, input }) => {
await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
.input(CommentEntityInputSchema)
.query(({ ctx, input }) => countComments(ctx, input)),
return ctx.db.comment.count({
where: {
entityType: input.entityType,
entityId: input.entityId,
},
});
}),
/** Create a comment, parse @mentions, and notify mentioned users */
create: protectedProcedure
.input(
z.object({
entityType: CommentEntityTypeSchema,
entityId: z.string(),
parentId: z.string().optional(),
body: z.string().min(1).max(10_000),
}),
)
.mutation(async ({ ctx, input }) => {
const policy = await assertCommentEntityAccess(ctx, input.entityType, input.entityId);
const authorId = ctx.dbUser?.id;
if (!authorId) throw new TRPCError({ code: "UNAUTHORIZED" });
const mentions = parseCommentMentions(input.body);
.input(CreateCommentInputSchema)
.mutation(({ ctx, input }) => createComment(ctx, input)),
// If replying, verify the parent exists
if (input.parentId) {
const parent = await ctx.db.comment.findUnique({
where: { id: input.parentId },
select: { id: true, entityType: true, entityId: true },
});
if (!parent) {
throw new TRPCError({ code: "NOT_FOUND", message: "Parent comment not found" });
}
if (!commentBelongsToEntity({
comment: parent,
entityType: input.entityType,
entityId: input.entityId,
})) {
throw new TRPCError({
code: "BAD_REQUEST",
message: "Parent comment does not belong to the requested entity",
});
}
}
const comment = await ctx.db.comment.create({
data: buildCommentCreateData({
entityType: input.entityType,
entityId: input.entityId,
parentId: input.parentId,
authorId,
body: input.body,
mentions,
}),
include: commentWithAuthorInclude,
});
// Create notifications for mentioned users (excluding the author)
const mentionedUserIds = mentions.filter((id) => id !== authorId);
if (mentionedUserIds.length > 0) {
const authorName = comment.author.name ?? comment.author.email;
const notifications = buildCommentMentionNotifications({
mentionedUserIds,
authorName,
body: input.body,
entityId: input.entityId,
entityType: input.entityType,
senderId: authorId,
link: policy.buildLink(input.entityId),
});
await Promise.all(
notifications.map((notification) =>
createNotification({
db: ctx.db,
...notification,
}),
),
);
}
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: comment.id,
entityName: input.body.slice(0, 50),
action: "CREATE",
userId: ctx.dbUser?.id,
after: comment as unknown as Record<string, unknown>,
source: "ui",
});
return comment;
}),
/** Resolve or unresolve a comment (author or admin only) */
resolve: protectedProcedure
.input(
z.object({
id: z.string(),
resolved: z.boolean().default(true),
}),
)
.mutation(async ({ ctx, input }) => {
const userId = ctx.dbUser?.id;
if (!userId) throw new TRPCError({ code: "UNAUTHORIZED" });
const dbUser = ctx.dbUser;
.input(ResolveCommentInputSchema)
.mutation(({ ctx, input }) => resolveComment(ctx, input)),
const existing = await ctx.db.comment.findUnique({
where: { id: input.id },
select: { id: true, authorId: true, entityType: true, entityId: true },
});
if (!existing) {
throw new TRPCError({ code: "NOT_FOUND", message: "Comment not found" });
}
await assertCommentEntityAccess(ctx, existing.entityType, existing.entityId);
assertCommentManageableByActor({
authorId: existing.authorId,
actorUserId: userId,
isAdmin: dbUser?.systemRole === "ADMIN",
action: "resolve",
});
const updated = await ctx.db.comment.update({
where: { id: input.id },
data: { resolved: input.resolved },
include: commentWithAuthorInclude,
});
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: input.id,
action: "UPDATE",
userId: ctx.dbUser?.id,
summary: input.resolved ? "Resolved comment" : "Unresolved comment",
after: updated as unknown as Record<string, unknown>,
source: "ui",
});
return updated;
}),
/** Delete a comment (author or admin only). Hard-deletes, including all replies. */
delete: protectedProcedure
.input(z.object({ id: z.string() }))
.mutation(async ({ ctx, input }) => {
const userId = ctx.dbUser?.id;
if (!userId) throw new TRPCError({ code: "UNAUTHORIZED" });
const dbUser = ctx.dbUser;
const existing = await ctx.db.comment.findUnique({
where: { id: input.id },
select: { id: true, authorId: true, entityType: true, entityId: true },
});
if (!existing) {
throw new TRPCError({ code: "NOT_FOUND", message: "Comment not found" });
}
await assertCommentEntityAccess(ctx, existing.entityType, existing.entityId);
assertCommentManageableByActor({
authorId: existing.authorId,
actorUserId: userId,
isAdmin: dbUser?.systemRole === "ADMIN",
action: "delete",
});
// Delete all replies first (they reference this comment as parent)
await ctx.db.comment.deleteMany({
where: { parentId: input.id },
});
await ctx.db.comment.delete({ where: { id: input.id } });
void createAuditEntry({
db: ctx.db,
entityType: "Comment",
entityId: input.id,
action: "DELETE",
userId: ctx.dbUser?.id,
before: existing as unknown as Record<string, unknown>,
source: "ui",
});
}),
.input(DeleteCommentInputSchema)
.mutation(({ ctx, input }) => deleteComment(ctx, input)),
});