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import { TRPCError } from "@trpc/server";
import { and, desc, eq, lt, lte, or } from "drizzle-orm";
import { z } from "zod";
import { highlights } from "@karakeep/db/schema";
import {
zHighlightSchema,
zNewHighlightSchema,
zUpdateHighlightSchema,
} from "@karakeep/shared/types/highlights";
import { zCursorV2 } from "@karakeep/shared/types/pagination";
import { AuthedContext } from "..";
import { BareBookmark } from "./bookmarks";
export class Highlight {
constructor(
protected ctx: AuthedContext,
private highlight: typeof highlights.$inferSelect,
) {}
static async fromId(ctx: AuthedContext, id: string): Promise<Highlight> {
const highlight = await ctx.db.query.highlights.findFirst({
where: eq(highlights.id, id),
});
if (!highlight) {
throw new TRPCError({
code: "NOT_FOUND",
message: "Highlight not found",
});
}
// If it exists but belongs to another user, throw forbidden error
if (highlight.userId !== ctx.user.id) {
throw new TRPCError({
code: "FORBIDDEN",
message: "User is not allowed to access resource",
});
}
return new Highlight(ctx, highlight);
}
static async create(
ctx: AuthedContext,
input: z.infer<typeof zNewHighlightSchema>,
): Promise<Highlight> {
const [result] = await ctx.db
.insert(highlights)
.values({
bookmarkId: input.bookmarkId,
startOffset: input.startOffset,
endOffset: input.endOffset,
color: input.color,
text: input.text,
note: input.note,
userId: ctx.user.id,
})
.returning();
return new Highlight(ctx, result);
}
static async getForBookmark(
ctx: AuthedContext,
bookmark: BareBookmark,
): Promise<Highlight[]> {
const results = await ctx.db.query.highlights.findMany({
where: eq(highlights.bookmarkId, bookmark.id),
orderBy: [desc(highlights.createdAt), desc(highlights.id)],
});
return results.map((h) => new Highlight(ctx, h));
}
static async getAll(
ctx: AuthedContext,
cursor?: z.infer<typeof zCursorV2> | null,
limit = 50,
): Promise<{
highlights: Highlight[];
nextCursor: z.infer<typeof zCursorV2> | null;
}> {
const results = await ctx.db.query.highlights.findMany({
where: and(
eq(highlights.userId, ctx.user.id),
cursor
? or(
lt(highlights.createdAt, cursor.createdAt),
and(
eq(highlights.createdAt, cursor.createdAt),
lte(highlights.id, cursor.id),
),
)
: undefined,
),
limit: limit + 1,
orderBy: [desc(highlights.createdAt), desc(highlights.id)],
});
let nextCursor: z.infer<typeof zCursorV2> | null = null;
if (results.length > limit) {
const nextItem = results.pop()!;
nextCursor = {
id: nextItem.id,
createdAt: nextItem.createdAt,
};
}
return {
highlights: results.map((h) => new Highlight(ctx, h)),
nextCursor,
};
}
async delete(): Promise<z.infer<typeof zHighlightSchema>> {
const result = await this.ctx.db
.delete(highlights)
.where(
and(
eq(highlights.id, this.highlight.id),
eq(highlights.userId, this.ctx.user.id),
),
)
.returning();
if (result.length === 0) {
throw new TRPCError({ code: "NOT_FOUND" });
}
return result[0];
}
async update(input: z.infer<typeof zUpdateHighlightSchema>): Promise<void> {
const result = await this.ctx.db
.update(highlights)
.set({
color: input.color,
})
.where(
and(
eq(highlights.id, this.highlight.id),
eq(highlights.userId, this.ctx.user.id),
),
)
.returning();
if (result.length === 0) {
throw new TRPCError({ code: "NOT_FOUND" });
}
this.highlight = result[0];
}
asPublicHighlight(): z.infer<typeof zHighlightSchema> {
return this.highlight;
}
}
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