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import { UntypedFormArray, UntypedFormBuilder, UntypedFormGroup } from '@angular/forms';
import Europa from 'europa';
import { Plugin, PluginApi, PluginConverter } from 'europa-core';
import { difference, uniq } from 'lodash-es';
import { forkJoin, map, Observable, of, switchMap } from 'rxjs';
import { TagsFormComponent } from '../form/tags/tags.component';
import { Ext } from '../model/ext';
import { Store } from '../store/store';
import { getMailboxes } from '../util/editor';
import { getPath } from '../util/http';
import { access, removePrefix, setPublic } from '../util/tag';
import { AdminService } from './admin.service';
import { ExtService } from './api/ext.service';
import { ConfigService } from './config.service';
export type TagPreview = { name?: string, bookmark?: string, tag: string } | Ext;
@Injectable({
providedIn: 'root'
})
export class EditorService {
constructor(
private config: ConfigService,
private admin: AdminService,
private exts: ExtService,
private store: Store,
) {
const superscriptProvider = (api: PluginApi): Plugin => ({
converters: {
SUP: {
startTag(conversion): boolean {
conversion.output('^');
conversion.atNoWhitespace = true;
return true;
},
},
},
});
const paragraphConverter: PluginConverter = {
startTag(conversion, context): boolean {
// @ts-ignore
if (conversion.atParagraph || conversion.inline) return true;
conversion.appendParagraph();
return true;
},
endTag(conversion, context) {
// @ts-ignore
if (conversion.inline) return;
conversion.appendParagraph();
},
};
const paragraphProvider = (api: PluginApi): Plugin => ({
converters: {
ADDRESS: paragraphConverter,
ARTICLE: paragraphConverter,
ASIDE: paragraphConverter,
DIV: paragraphConverter,
FIELDSET: paragraphConverter,
FOOTER: paragraphConverter,
HEADER: paragraphConverter,
MAIN: paragraphConverter,
NAV: paragraphConverter,
P: paragraphConverter,
SECTION: paragraphConverter,
},
});
const linkProvider = (api: PluginApi): Plugin => ({
converters: {
A: {
startTag(conversion, context): boolean {
const absolute = conversion.getOption('absolute');
const inline = conversion.getOption('inline');
const { element } = conversion;
const href = element.attr('href');
if (!href) {
return true;
}
// Set inline flag
// @ts-ignore
conversion.inline = true;
const title = element.attr('title');
const url = absolute ? conversion.resolveUrl(href) : href;
let value = title ? `${url} "${title}"` : url;
if (inline) {
value = `(${value})`;
} else {
const reference = conversion.addReference('link', value);
value = `[${reference}]`;
}
context.set('value', value);
conversion.output('[');
conversion.atNoWhitespace = true;
return true;
},
endTag(conversion, context) {
if (context.has('value')) {
conversion.output(`]${context.get<string>('value')}`);
// Unset inline flag
// @ts-ignore
conversion.inline = false;
}
}
}
}
});
const audioProvider = (api: PluginApi): Plugin => ({
converters: {
AUDIO: {
startTag(conversion): boolean {
const { element } = conversion;
const source = element.find('source')?.attr('src');
if (!source) {
return false; // No source found, skip
}
const absolute = conversion.getOption('absolute');
const url = absolute ? conversion.resolveUrl(source) : source;
const value = `(${url})`;
conversion.output(`![]${value}`);
return false;
},
},
}
});
const videoProvider = (api: PluginApi): Plugin => ({
converters: {
VIDEO: {
startTag(conversion): boolean {
const { element } = conversion;
const source = element.find('source')?.attr('src');
if (!source) {
return false; // No source found, skip
}
const absolute = conversion.getOption('absolute');
const url = absolute ? conversion.resolveUrl(source) : source;
const value = `(${url})`;
conversion.output(`![]${value}`);
return false;
},
},
}
});
Europa.registerPlugin(superscriptProvider);
Europa.registerPlugin(paragraphProvider);
Europa.registerPlugin(linkProvider);
Europa.registerPlugin(audioProvider);
Europa.registerPlugin(videoProvider);
}
getUrlType(url: string) {
if (url.startsWith(this.config.base)) {
url = url.substring(this.config.base.length);
}
const basePath = getPath(this.config.base)!;
if (url.startsWith(basePath)) {
url = url.substring(basePath.length);
}
if (url.startsWith('/')) {
url = url.substring(1);
}
return url.substring(0, url.indexOf('/'));
}
getRefUrl(url: string): string {
if (url.startsWith('unsafe:')) url = url.substring('unsafe:'.length);
const refPrefix = this.config.base + 'ref/';
let ending = '';
if (url.startsWith(refPrefix)) {
ending = url.substring(refPrefix.length);
} else {
const relRefPrefix = getPath(refPrefix)!;
if (url.startsWith(relRefPrefix)) {
ending = url.substring(relRefPrefix.length);
} else if (url.startsWith('/ref/')) {
ending = url.substring('/ref/'.length);
}
}
if (!ending) return url;
if (ending.startsWith('/e/')){
ending = ending.substring('/e/'.length);
if (ending.indexOf('/') < 0) return decodeURIComponent(ending);
return decodeURIComponent(ending.substring(0, ending.indexOf('/')));
}
return ending;
}
/**
* Gets the query for a query URL.
*/
getQuery(url: string): string {
if (url.startsWith('unsafe:')) url = url.substring('unsafe:'.length);
const tagPrefix = this.config.base + 'tag/';
let ending = '';
if (url.startsWith('tag:/')) {
ending = url.substring('tag:/'.length);
} else if (url.startsWith(tagPrefix)) {
ending = url.substring(tagPrefix.length);
} else {
const relTagPrefix = getPath(tagPrefix)!;
if (url.startsWith(relTagPrefix)) {
ending = url.substring(relTagPrefix.length);
} else if (url.startsWith('/tag/')) {
ending = url.substring('/tag/'.length);
}
}
if (!ending) return url;
if (ending.indexOf('?') < 0) return ending;
const query = ending.substring(0, ending.indexOf('?'))
return decodeURIComponent(query);
}
/**
* Add mailboxes for tagged users.
*/
syncEditor(fb: UntypedFormBuilder, group: UntypedFormGroup, previousComment = '') {
let comment = group.value.comment;
// Store last synced comment in the form so that we can track what was already synced.
// This will allow the user to remove a source, alt or tag without it being re-added
// @ts-ignore
previousComment ||= group.previousComment || '';
// @ts-ignore
group.previousComment = comment;
this.syncMailboxes(fb, group, previousComment);
group.get('comment')?.setValue(comment);
}
private syncMailboxes(fb: UntypedFormBuilder, group: UntypedFormGroup, previousComment = '') {
const existingTags = [
...getMailboxes(previousComment, this.store.account.origin),
...(group.value.tags || []),
];
const mailboxes = uniq(difference([
...getMailboxes(group.value.comment, this.store.account.origin)], existingTags));
for (const t of mailboxes) {
(group.get('tags') as UntypedFormArray).push(fb.control(t, TagsFormComponent.validators));
}
}
getTagPreview(tag: string, defaultOrigin = '', returnDefault = true, loadTemplates = true, loadPlugins = true): Observable<{ name?: string, tag: string } | undefined> {
return this.exts.getCachedExt(tag, defaultOrigin).pipe(
switchMap(x => {
const localExists = x.modified && x.origin === (defaultOrigin || this.store.account.origin);
if (loadTemplates) {
const templates = this.admin.getTemplates(x.tag).filter(t => t.tag);
if (templates.length) {
const longestMatch = templates[templates.length - 1];
if (!localExists) {
if (x.tag === '+user') return of({ ...x, name: (longestMatch.config?.view || longestMatch.name || longestMatch.tag) + ' / ' + $localize`⚓️ Root` });
if (x.tag === '_user') return of({ ...x, name: (longestMatch.config?.view || longestMatch.name || longestMatch.tag) + ' / ' + $localize`🥷 Root` });
}
if (x.tag === longestMatch.tag) return of(longestMatch);
const childTag = removePrefix(x.tag, longestMatch.tag.split('/').length);
return of({ tag: x.tag, name: (longestMatch.config?.view || longestMatch.name || longestMatch.tag) + ' / ' + (x.name || childTag) });
}
}
if (localExists) return of(x);
const plugin = this.admin.getPlugin(x.tag);
if (loadPlugins) {
if (plugin) return of(plugin);
const parentPlugins = this.admin.getParentPlugins(x.tag);
if (parentPlugins.length) {
const longestMatch = parentPlugins[parentPlugins.length - 1];
if (x.tag === longestMatch.tag) return of(longestMatch);
const childTag = removePrefix(x.tag, longestMatch.tag.split('/').length);
if (longestMatch.tag === 'plugin/outbox') {
const origin = childTag.substring(0, childTag.indexOf('/'));
const remoteTag = childTag.substring(origin.length + 1);
const originFormat = origin ? ' @' + origin : '';
return this.exts.getCachedExt(remoteTag, origin).pipe(
map(c => ({ tag: x.tag, name: (longestMatch.name || longestMatch.tag) + ' / ' + (c.name || c.tag) + originFormat })),
);
}
let a = access(x.tag) || '+';
return this.exts.getCachedExt(a + setPublic(childTag), defaultOrigin).pipe(
map(c => ({ tag: x.tag, name: (longestMatch.config?.view || longestMatch.name || longestMatch.tag) + ' / ' + (c.name || setPublic(childTag)) })),
);
}
}
if (x.modified || returnDefault) return of(x);
return of(undefined);
})
);
}
getTagsPreview(tags: string[], defaultOrigin = ''): Observable<TagPreview[]> {
return forkJoin(tags.map( t => this.getTagPreview(t, defaultOrigin))).pipe(
map(xs => xs.filter(x => !!x)),
);
}
getBookmarksPreview(bookmarks: string[], defaultOrigin = ''): Observable<TagPreview[]> {
return forkJoin(bookmarks.map(b => {
const query = b.includes('?') ? b.substring(0, b.indexOf('?')) : b;
return this.getQueryPreviewName(query, defaultOrigin).pipe(
map(name => ({ name, tag: query, bookmark: b })),
);
})).pipe(
map(xs => xs.filter(x => !!x)),
) as Observable<TagPreview[]>;
}
/** Build a display name for a query by replacing each tag token with its ext preview name. */
getQueryPreviewName(query: string, defaultOrigin = ''): Observable<string | undefined> {
const tokens = query.split(/([:|()])/g).filter(t => !!t);
const ops = new Set([':', '|', '(', ')']);
const tagIndices = tokens.reduce<number[]>((acc, t, i) => ops.has(t) ? acc : [...acc, i], []);
if (tagIndices.length === 0) return of(undefined);
return forkJoin(tagIndices.map(i => {
const token = tokens[i];
const bareTag = token.startsWith('!') ? token.substring(1) : token;
return this.getTagPreview(bareTag, defaultOrigin).pipe(
map(x => {
const name = x?.name || bareTag;
return token.startsWith('!') ? '!' + name : name;
}),
);
})).pipe(
map(names => {
let idx = 0;
return tokens.map(t => ops.has(t) ? t : names[idx++]).join('');
}),
);
}
}
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