Files
obsidian-tannersearch/src/file-loader.ts
2022-11-06 17:06:00 +01:00

119 lines
3.5 KiB
TypeScript

import { cacheManager } from './cache-manager'
import {
extractHeadingsFromCache,
getAliasesFromMetadata,
getTagsFromMetadata,
isFileImage,
isFilePlaintext,
removeDiacritics,
} from './tools/utils'
import * as NotesIndex from './notes-index'
import type { TFile } from 'obsidian'
import type { IndexedDocument } from './globals'
import { getNonExistingNotes } from './tools/notes'
import { getPdfText, getImageText } from 'obsidian-text-extract'
/**
* Return all plaintext files as IndexedDocuments
*/
export async function getPlainTextFiles(): Promise<IndexedDocument[]> {
const allFiles = app.vault.getFiles().filter(f => isFilePlaintext(f.path))
const data: IndexedDocument[] = []
for (const file of allFiles) {
const doc = await fileToIndexedDocument(file)
data.push(doc)
await cacheManager.updateLiveDocument(file.path, doc)
}
return data
}
/**
* Return all PDFs as IndexedDocuments.
*/
export async function getPDFAsDocuments(): Promise<IndexedDocument[]> {
const files = app.vault.getFiles().filter(f => f.path.endsWith('.pdf'))
return await getBinaryFiles(files)
}
/**
* Return all imageas as IndexedDocuments.
*/
export async function getImagesAsDocuments(): Promise<IndexedDocument[]> {
const files = app.vault.getFiles().filter(f => isFileImage(f.path))
return await getBinaryFiles(files)
}
async function getBinaryFiles(files: TFile[]): Promise<IndexedDocument[]> {
const data: IndexedDocument[] = []
const input = []
for (const file of files) {
input.push(
new Promise(async (resolve, reject) => {
const doc = await fileToIndexedDocument(file)
await cacheManager.updateLiveDocument(file.path, doc)
data.push(doc)
return resolve(null)
})
)
}
await Promise.all(input)
return data
}
/**
* Convert a file into an IndexedDocument.
* Will use the cache if possible.
*/
export async function fileToIndexedDocument(
file: TFile
): Promise<IndexedDocument> {
let content: string
if (isFilePlaintext(file.path)) {
content = await app.vault.cachedRead(file)
} else if (file.path.endsWith('.pdf')) {
content = await getPdfText(file)
} else if (isFileImage(file.path)) {
content = await getImageText(file)
} else {
throw new Error('Invalid file: ' + file.path)
}
content = removeDiacritics(content)
const metadata = app.metadataCache.getFileCache(file)
// Look for links that lead to non-existing files,
// and add them to the index.
if (metadata) {
const nonExisting = getNonExistingNotes(file, metadata)
for (const name of nonExisting.filter(
o => !cacheManager.getLiveDocument(o)
)) {
NotesIndex.addNonExistingToIndex(name, file.path)
}
// EXCALIDRAW
// Remove the json code
if (metadata.frontmatter?.['excalidraw-plugin']) {
const comments =
metadata.sections?.filter(s => s.type === 'comment') ?? []
for (const { start, end } of comments.map(c => c.position)) {
content =
content.substring(0, start.offset - 1) + content.substring(end.offset)
}
}
}
return {
basename: removeDiacritics(file.basename),
content,
path: file.path,
mtime: file.stat.mtime,
tags: getTagsFromMetadata(metadata),
aliases: getAliasesFromMetadata(metadata).join(''),
headings1: metadata ? extractHeadingsFromCache(metadata, 1).join(' ') : '',
headings2: metadata ? extractHeadingsFromCache(metadata, 2).join(' ') : '',
headings3: metadata ? extractHeadingsFromCache(metadata, 3).join(' ') : '',
}
}