mirror of
https://github.com/laurent22/joplin.git
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428 lines
14 KiB
TypeScript
428 lines
14 KiB
TypeScript
import { ModuleType, FileSystemItem, ImportModuleOutputFormat, Module, ImportOptions, ExportOptions, ImportExportResult, defaultImportExportModule } from './types';
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import InteropService_Importer_Custom from './InteropService_Importer_Custom';
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import InteropService_Exporter_Custom from './InteropService_Exporter_Custom';
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import shim from 'lib/shim';
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import { _ } from 'lib/locale';
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const BaseItem = require('lib/models/BaseItem.js');
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const BaseModel = require('lib/BaseModel.js');
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const Resource = require('lib/models/Resource.js');
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const Folder = require('lib/models/Folder.js');
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const NoteTag = require('lib/models/NoteTag.js');
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const Note = require('lib/models/Note.js');
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const ArrayUtils = require('lib/ArrayUtils');
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const { sprintf } = require('sprintf-js');
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const { fileExtension } = require('lib/path-utils');
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const { toTitleCase } = require('lib/string-utils');
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const EventEmitter = require('events');
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export default class InteropService {
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private defaultModules_:Module[];
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private userModules_:Module[] = [];
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private eventEmitter_:any = null;
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private static instance_:InteropService;
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public static instance():InteropService {
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if (!this.instance_) this.instance_ = new InteropService();
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return this.instance_;
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}
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constructor() {
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this.eventEmitter_ = new EventEmitter();
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}
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on(eventName:string, callback:Function) {
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return this.eventEmitter_.on(eventName, callback);
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}
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off(eventName:string, callback:Function) {
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return this.eventEmitter_.removeListener(eventName, callback);
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}
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modules() {
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if (!this.defaultModules_) {
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const importModules:Module[] = [
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{
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...defaultImportExportModule(ModuleType.Importer),
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format: 'jex',
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fileExtensions: ['jex'],
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sources: [FileSystemItem.File],
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description: _('Joplin Export File'),
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},
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{
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...defaultImportExportModule(ModuleType.Importer),
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format: 'md',
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fileExtensions: ['md', 'markdown', 'txt'],
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sources: [FileSystemItem.File, FileSystemItem.Directory],
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isNoteArchive: false, // Tells whether the file can contain multiple notes (eg. Enex or Jex format)
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description: _('Markdown'),
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},
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{
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...defaultImportExportModule(ModuleType.Importer),
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format: 'raw',
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sources: [FileSystemItem.Directory],
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description: _('Joplin Export Directory'),
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},
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{
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...defaultImportExportModule(ModuleType.Importer),
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format: 'enex',
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fileExtensions: ['enex'],
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sources: [FileSystemItem.File],
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description: _('Evernote Export File (as Markdown)'),
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importerClass: 'InteropService_Importer_EnexToMd',
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isDefault: true,
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},
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{
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...defaultImportExportModule(ModuleType.Importer),
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format: 'enex',
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fileExtensions: ['enex'],
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sources: [FileSystemItem.File],
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description: _('Evernote Export File (as HTML)'),
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// TODO: Consider doing this the same way as the multiple `md` importers are handled
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importerClass: 'InteropService_Importer_EnexToHtml',
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outputFormat: ImportModuleOutputFormat.Html,
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},
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];
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const exportModules:Module[] = [
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{
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...defaultImportExportModule(ModuleType.Exporter),
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format: 'jex',
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fileExtensions: ['jex'],
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target: FileSystemItem.File,
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description: _('Joplin Export File'),
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},
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{
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...defaultImportExportModule(ModuleType.Exporter),
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format: 'raw',
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target: FileSystemItem.Directory,
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description: _('Joplin Export Directory'),
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},
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{
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...defaultImportExportModule(ModuleType.Exporter),
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format: 'md',
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target: FileSystemItem.Directory,
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description: _('Markdown'),
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},
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{
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...defaultImportExportModule(ModuleType.Exporter),
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format: 'html',
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fileExtensions: ['html', 'htm'],
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target: FileSystemItem.File,
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isNoteArchive: false,
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description: _('HTML File'),
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},
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{
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...defaultImportExportModule(ModuleType.Exporter),
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format: 'html',
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target: FileSystemItem.Directory,
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description: _('HTML Directory'),
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},
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];
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this.defaultModules_ = importModules.concat(exportModules);
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}
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return this.defaultModules_.concat(this.userModules_);
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}
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public registerModule(module:Module) {
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module = {
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...defaultImportExportModule(module.type),
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...module,
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};
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this.userModules_.push(module);
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this.eventEmitter_.emit('modulesChanged');
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}
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// Find the module that matches the given type ("importer" or "exporter")
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// and the given format. Some formats can have multiple assocated importers
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// or exporters, such as ENEX. In this case, the one marked as "isDefault"
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// is returned. This is useful to auto-detect the module based on the format.
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// For more precise matching, newModuleFromPath_ should be used.
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findModuleByFormat_(type:ModuleType, format:string, target:FileSystemItem = null, outputFormat:ImportModuleOutputFormat = null) {
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const modules = this.modules();
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const matches = [];
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for (let i = 0; i < modules.length; i++) {
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const m = modules[i];
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if (m.format === format && m.type === type) {
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if (!target && !outputFormat) {
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matches.push(m);
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} else if (target && target === m.target) {
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matches.push(m);
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} else if (outputFormat && outputFormat === m.outputFormat) {
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matches.push(m);
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}
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}
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}
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const output = matches.find(m => !!m.isDefault);
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if (output) return output;
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return matches.length ? matches[0] : null;
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}
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private modulePath(module:Module) {
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let className = '';
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if (module.type === ModuleType.Importer) {
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className = module.importerClass || `InteropService_Importer_${toTitleCase(module.format)}`;
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} else {
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className = `InteropService_Exporter_${toTitleCase(module.format)}`;
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}
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return `lib/services/interop/${className}`;
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}
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private newModuleFromCustomFactory(module:Module) {
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if (module.type === ModuleType.Importer) {
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return new InteropService_Importer_Custom(module);
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} else {
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return new InteropService_Exporter_Custom(module);
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}
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}
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/**
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* NOTE TO FUTURE SELF: It might make sense to simply move all the existing
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* formatters to the `newModuleFromPath_` approach, so that there's only one way
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* to do this mapping. This isn't a priority right now (per the convo in:
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* https://github.com/laurent22/joplin/pull/1795#discussion_r322379121) but
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* we can do it if it ever becomes necessary.
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*/
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newModuleByFormat_(type:ModuleType, format:string, outputFormat:ImportModuleOutputFormat = ImportModuleOutputFormat.Markdown) {
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const moduleMetadata = this.findModuleByFormat_(type, format, null, outputFormat);
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if (!moduleMetadata) throw new Error(_('Cannot load "%s" module for format "%s" and output "%s"', type, format, outputFormat));
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let output = null;
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if (moduleMetadata.isCustom) {
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output = this.newModuleFromCustomFactory(moduleMetadata);
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} else {
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const ModuleClass = require(this.modulePath(moduleMetadata)).default;
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output = new ModuleClass();
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}
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output.setMetadata(moduleMetadata);
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return output;
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}
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/**
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* The existing `newModuleByFormat_` fn would load by the input format. This
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* was fine when there was a 1-1 mapping of input formats to output formats,
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* but now that we have 2 possible outputs for an `enex` input, we need to be
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* explicit with which importer we want to use.
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*
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* https://github.com/laurent22/joplin/pull/1795#pullrequestreview-281574417
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*/
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newModuleFromPath_(type:ModuleType, options:any) {
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let modulePath = options && options.modulePath ? options.modulePath : '';
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if (!modulePath) {
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const moduleMetadata = this.findModuleByFormat_(type, options.format, options.target);
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if (!moduleMetadata) throw new Error(_('Cannot load "%s" module for format "%s" and target "%s"', type, options.format, options.target));
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modulePath = this.modulePath(moduleMetadata);
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}
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const moduleMetadata = this.findModuleByFormat_(type, options.format, options.target);
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let output = null;
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if (moduleMetadata.isCustom) {
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output = this.newModuleFromCustomFactory(moduleMetadata);
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} else {
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const ModuleClass = require(modulePath).default;
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output = new ModuleClass();
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}
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output.setMetadata({ options, ...moduleMetadata });
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return output;
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}
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moduleByFileExtension_(type:ModuleType, ext:string) {
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ext = ext.toLowerCase();
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const modules = this.modules();
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for (let i = 0; i < modules.length; i++) {
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const m = modules[i];
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if (type !== m.type) continue;
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if (m.fileExtensions && m.fileExtensions.indexOf(ext) >= 0) return m;
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}
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return null;
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}
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async import(options:ImportOptions):Promise<ImportExportResult> {
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if (!(await shim.fsDriver().exists(options.path))) throw new Error(_('Cannot find "%s".', options.path));
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options = {
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format: 'auto',
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destinationFolderId: null,
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destinationFolder: null,
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...options,
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};
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if (options.format === 'auto') {
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const module = this.moduleByFileExtension_(ModuleType.Importer, fileExtension(options.path));
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if (!module) throw new Error(_('Please specify import format for %s', options.path));
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// eslint-disable-next-line require-atomic-updates
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options.format = module.format;
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}
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if (options.destinationFolderId) {
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const folder = await Folder.load(options.destinationFolderId);
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if (!folder) throw new Error(_('Cannot find "%s".', options.destinationFolderId));
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// eslint-disable-next-line require-atomic-updates
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options.destinationFolder = folder;
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}
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let result:ImportExportResult = { warnings: [] };
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let importer = null;
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if (options.modulePath) {
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importer = this.newModuleFromPath_(ModuleType.Importer, options);
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} else {
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importer = this.newModuleByFormat_(ModuleType.Importer, options.format, options.outputFormat);
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}
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await importer.init(options.path, options);
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result = await importer.exec(result);
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return result;
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}
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async export(options:ExportOptions):Promise<ImportExportResult> {
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options = {
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format: 'jex',
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...options,
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};
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const exportPath = options.path ? options.path : null;
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let sourceFolderIds = options.sourceFolderIds ? options.sourceFolderIds : [];
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const sourceNoteIds = options.sourceNoteIds ? options.sourceNoteIds : [];
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const result:ImportExportResult = { warnings: [] };
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const itemsToExport:any[] = [];
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const queueExportItem = (itemType:number, itemOrId:any) => {
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itemsToExport.push({
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type: itemType,
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itemOrId: itemOrId,
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});
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};
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const exportedNoteIds = [];
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let resourceIds:string[] = [];
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// Recursively get all the folders that have valid parents
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const folderIds = await Folder.childrenIds('', true);
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let fullSourceFolderIds = sourceFolderIds.slice();
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for (let i = 0; i < sourceFolderIds.length; i++) {
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const id = sourceFolderIds[i];
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const childrenIds = await Folder.childrenIds(id);
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fullSourceFolderIds = fullSourceFolderIds.concat(childrenIds);
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}
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sourceFolderIds = fullSourceFolderIds;
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for (let folderIndex = 0; folderIndex < folderIds.length; folderIndex++) {
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const folderId = folderIds[folderIndex];
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if (sourceFolderIds.length && sourceFolderIds.indexOf(folderId) < 0) continue;
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if (!sourceNoteIds.length) await queueExportItem(BaseModel.TYPE_FOLDER, folderId);
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const noteIds = await Folder.noteIds(folderId);
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for (let noteIndex = 0; noteIndex < noteIds.length; noteIndex++) {
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const noteId = noteIds[noteIndex];
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if (sourceNoteIds.length && sourceNoteIds.indexOf(noteId) < 0) continue;
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const note = await Note.load(noteId);
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await queueExportItem(BaseModel.TYPE_NOTE, note);
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exportedNoteIds.push(noteId);
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const rids = await Note.linkedResourceIds(note.body);
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resourceIds = resourceIds.concat(rids);
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}
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}
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resourceIds = ArrayUtils.unique(resourceIds);
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for (let i = 0; i < resourceIds.length; i++) {
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await queueExportItem(BaseModel.TYPE_RESOURCE, resourceIds[i]);
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}
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const noteTags = await NoteTag.all();
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const exportedTagIds = [];
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for (let i = 0; i < noteTags.length; i++) {
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const noteTag = noteTags[i];
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if (exportedNoteIds.indexOf(noteTag.note_id) < 0) continue;
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await queueExportItem(BaseModel.TYPE_NOTE_TAG, noteTag.id);
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exportedTagIds.push(noteTag.tag_id);
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}
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for (let i = 0; i < exportedTagIds.length; i++) {
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await queueExportItem(BaseModel.TYPE_TAG, exportedTagIds[i]);
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}
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const exporter = this.newModuleFromPath_(ModuleType.Exporter, options);
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await exporter.init(exportPath, options);
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const typeOrder = [BaseModel.TYPE_FOLDER, BaseModel.TYPE_RESOURCE, BaseModel.TYPE_NOTE, BaseModel.TYPE_TAG, BaseModel.TYPE_NOTE_TAG];
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const context:any = {
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resourcePaths: {},
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};
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for (let typeOrderIndex = 0; typeOrderIndex < typeOrder.length; typeOrderIndex++) {
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const type = typeOrder[typeOrderIndex];
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await exporter.prepareForProcessingItemType(type, itemsToExport);
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for (let i = 0; i < itemsToExport.length; i++) {
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const itemType = itemsToExport[i].type;
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if (itemType !== type) continue;
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const ItemClass = BaseItem.getClassByItemType(itemType);
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const itemOrId = itemsToExport[i].itemOrId;
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const item = typeof itemOrId === 'object' ? itemOrId : await ItemClass.load(itemOrId);
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if (!item) {
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if (itemType === BaseModel.TYPE_RESOURCE) {
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result.warnings.push(sprintf('A resource that does not exist is referenced in a note. The resource was skipped. Resource ID: %s', itemOrId));
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} else {
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result.warnings.push(sprintf('Cannot find item with type "%s" and ID %s. Item was skipped.', ItemClass.tableName(), JSON.stringify(itemOrId)));
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}
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continue;
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}
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if (item.encryption_applied || item.encryption_blob_encrypted) {
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result.warnings.push(sprintf('This item is currently encrypted: %s "%s" (%s) and was not exported. You may wait for it to be decrypted and try again.', BaseModel.modelTypeToName(itemType), item.title ? item.title : item.id, item.id));
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continue;
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}
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try {
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if (itemType == BaseModel.TYPE_RESOURCE) {
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const resourcePath = Resource.fullPath(item);
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context.resourcePaths[item.id] = resourcePath;
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exporter.updateContext(context);
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await exporter.processResource(item, resourcePath);
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}
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await exporter.processItem(itemType, item);
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} catch (error) {
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console.error(error);
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result.warnings.push(error.message);
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}
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}
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}
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await exporter.close();
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return result;
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}
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}
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