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import { MAX_LIST_NAME_LENGTH } from "../types/lists";
import { ImportSource, ParsedBookmark, parseImportFile } from "./parsers";
export interface ImportCounts {
successes: number;
failures: number;
alreadyExisted: number;
total: number;
}
export interface StagedBookmark {
type: "link" | "text" | "asset";
url?: string;
title?: string;
content?: string;
note?: string;
tags: string[];
listIds: string[];
sourceAddedAt?: Date;
}
export interface ImportDeps {
createList: (input: {
name: string;
icon: string;
parentId?: string;
}) => Promise<{ id: string }>;
stageImportedBookmarks: (input: {
importSessionId: string;
bookmarks: StagedBookmark[];
}) => Promise<void>;
createImportSession: (input: {
name: string;
rootListId: string;
}) => Promise<{ id: string }>;
finalizeImportStaging: (sessionId: string) => Promise<void>;
}
export interface ImportOptions {
concurrencyLimit?: number;
parsers?: Partial<
Record<ImportSource, (textContent: string) => ParsedBookmark[]>
>;
}
export interface ImportResult {
counts: ImportCounts;
rootListId: string | null;
importSessionId: string | null;
}
export async function importBookmarksFromFile(
{
file,
source,
rootListName,
deps,
onProgress,
}: {
file: { text: () => Promise<string> };
source: ImportSource;
rootListName: string;
deps: ImportDeps;
onProgress?: (done: number, total: number) => void;
},
options: ImportOptions = {},
): Promise<ImportResult> {
const { parsers } = options;
const textContent = await file.text();
const parsedBookmarks = parsers?.[source]
? parsers[source]!(textContent)
: parseImportFile(source, textContent);
if (parsedBookmarks.length === 0) {
return {
counts: { successes: 0, failures: 0, alreadyExisted: 0, total: 0 },
rootListId: null,
importSessionId: null,
};
}
const rootList = await deps.createList({ name: rootListName, icon: "⬆️" });
const session = await deps.createImportSession({
name: `${source.charAt(0).toUpperCase() + source.slice(1)} Import - ${new Date().toLocaleDateString()}`,
rootListId: rootList.id,
});
onProgress?.(0, parsedBookmarks.length);
const PATH_DELIMITER = "$$__$$";
// Build required paths
const allRequiredPaths = new Set<string>();
for (const bookmark of parsedBookmarks) {
for (const path of bookmark.paths) {
if (path && path.length > 0) {
for (let i = 1; i <= path.length; i++) {
const subPath = path.slice(0, i);
const pathKey = subPath.join(PATH_DELIMITER);
allRequiredPaths.add(pathKey);
}
}
}
}
const allRequiredPathsArray = Array.from(allRequiredPaths).sort(
(a, b) => a.split(PATH_DELIMITER).length - b.split(PATH_DELIMITER).length,
);
const pathMap: Record<string, string> = { "": rootList.id };
for (const pathKey of allRequiredPathsArray) {
const parts = pathKey.split(PATH_DELIMITER);
const parentKey = parts.slice(0, -1).join(PATH_DELIMITER);
const parentId = pathMap[parentKey] || rootList.id;
const folderName = parts[parts.length - 1];
const folderList = await deps.createList({
name: folderName.substring(0, MAX_LIST_NAME_LENGTH),
parentId,
icon: "📁",
});
pathMap[pathKey] = folderList.id;
}
// Prepare all bookmarks for staging
const bookmarksToStage: StagedBookmark[] = parsedBookmarks.map((bookmark) => {
// Convert paths to list IDs using pathMap
// If no paths, assign to root list
const listIds =
bookmark.paths.length === 0
? [rootList.id]
: bookmark.paths
.map((path) => {
if (path.length === 0) {
return rootList.id;
}
const pathKey = path.join(PATH_DELIMITER);
return pathMap[pathKey] || rootList.id;
})
.filter((id, index, arr) => arr.indexOf(id) === index); // dedupe
// Determine type and extract content appropriately
let type: "link" | "text" | "asset" = "link";
let url: string | undefined;
let textContent: string | undefined;
if (bookmark.content) {
if (bookmark.content.type === "link") {
type = "link";
url = bookmark.content.url;
} else if (bookmark.content.type === "text") {
type = "text";
textContent = bookmark.content.text;
}
}
return {
type,
url,
title: bookmark.title,
content: textContent,
note: bookmark.notes,
tags: bookmark.tags ?? [],
listIds,
sourceAddedAt: bookmark.addDate
? new Date(bookmark.addDate * 1000)
: undefined,
};
});
// Stage bookmarks in batches of 50
const BATCH_SIZE = 50;
let staged = 0;
for (let i = 0; i < bookmarksToStage.length; i += BATCH_SIZE) {
const batch = bookmarksToStage.slice(i, i + BATCH_SIZE);
await deps.stageImportedBookmarks({
importSessionId: session.id,
bookmarks: batch,
});
staged += batch.length;
onProgress?.(staged, parsedBookmarks.length);
}
// Finalize staging - marks session as "pending" for worker pickup
await deps.finalizeImportStaging(session.id);
return {
counts: {
successes: 0,
failures: 0,
alreadyExisted: 0,
total: parsedBookmarks.length,
},
rootListId: rootList.id,
importSessionId: session.id,
};
}
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