diff options
Diffstat (limited to 'src/client/util/LinkManager.ts')
| -rw-r--r-- | src/client/util/LinkManager.ts | 78 |
1 files changed, 51 insertions, 27 deletions
diff --git a/src/client/util/LinkManager.ts b/src/client/util/LinkManager.ts index 8abfd740c..3579083e4 100644 --- a/src/client/util/LinkManager.ts +++ b/src/client/util/LinkManager.ts @@ -1,4 +1,4 @@ -import { observable, observe, action } from "mobx"; +import { observable, observe, action, reaction, computed } from "mobx"; import { computedFn } from "mobx-utils"; import { DirectLinksSym, Doc, DocListCast, Field, Opt } from "../../fields/Doc"; import { List } from "../../fields/List"; @@ -26,36 +26,43 @@ type CreateViewFunc = (doc: Doc, followLinkLocation: string, finished?: () => vo export class LinkManager { @observable static _instance: LinkManager; - @observable static userDocs: Doc[] = []; + @observable static userLinkDBs: Doc[] = []; public static currentLink: Opt<Doc>; public static get Instance() { return LinkManager._instance; } + public static addLinkDB = (linkDb: any) => LinkManager.userLinkDBs.push(linkDb); + static links: Doc[] = []; constructor() { LinkManager._instance = this; setTimeout(() => { - LinkManager.userDocs = [Doc.LinkDBDoc().data as Doc, ...SharingManager.Instance.users.map(user => user.linkDatabase)]; - const addLinkToDoc = action((link: Doc): any => { - const a1 = link?.anchor1; - const a2 = link?.anchor2; - if (a1 instanceof Promise || a2 instanceof Promise) return PromiseValue(a1).then(a1 => PromiseValue(a2).then(a2 => addLinkToDoc(link))); - if (a1 instanceof Doc && a2 instanceof Doc && ((a1.author !== undefined && a2.author !== undefined) || link.author === Doc.CurrentUserEmail)) { - Doc.GetProto(a1)[DirectLinksSym].add(link); - Doc.GetProto(a2)[DirectLinksSym].add(link); - Doc.GetProto(link)[DirectLinksSym].add(link); - } - }); - const remLinkFromDoc = action((link: Doc): any => { + LinkManager.userLinkDBs = []; + const addLinkToDoc = (link: Doc) => { + const a1Prom = link?.anchor1; + const a2Prom = link?.anchor2; + Promise.all([a1Prom, a2Prom]).then(action((all) => { + const a1 = all[0]; + const a2 = all[1]; + if (a1 instanceof Doc && a2 instanceof Doc && ((a1.author !== undefined && a2.author !== undefined) || link.author === Doc.CurrentUserEmail)) { + Doc.GetProto(a1)[DirectLinksSym].add(link); + Doc.GetProto(a2)[DirectLinksSym].add(link); + Doc.GetProto(link)[DirectLinksSym].add(link); + } + })); + }; + const remLinkFromDoc = (link: Doc) => { const a1 = link?.anchor1; const a2 = link?.anchor2; - if (a1 instanceof Promise || a2 instanceof Promise) return PromiseValue(a1).then(a1 => PromiseValue(a2).then(a2 => remLinkFromDoc(link))); - if (a1 instanceof Doc && a2 instanceof Doc && ((a1.author !== undefined && a2.author !== undefined) || link.author === Doc.CurrentUserEmail)) { - Doc.GetProto(a1)[DirectLinksSym].delete(link); - Doc.GetProto(a2)[DirectLinksSym].delete(link); - Doc.GetProto(link)[DirectLinksSym].delete(link); - } - }); - const watchUserLinks = (userLinks: List<Doc>) => { + Promise.all([a1, a2]).then(action(() => { + if (a1 instanceof Doc && a2 instanceof Doc && ((a1.author !== undefined && a2.author !== undefined) || link.author === Doc.CurrentUserEmail)) { + Doc.GetProto(a1)[DirectLinksSym].delete(link); + Doc.GetProto(a2)[DirectLinksSym].delete(link); + Doc.GetProto(link)[DirectLinksSym].delete(link); + } + })); + }; + const watchUserLinkDB = (userLinkDBDoc: Doc) => { + LinkManager.links.push(...DocListCast(userLinkDBDoc.data)); const toRealField = (field: Field) => field instanceof ProxyField ? field.value() : field; // see List.ts. data structure is not a simple list of Docs, but a list of ProxyField/Fields - observe(userLinks, change => { + observe(userLinkDBDoc.data as Doc, change => { // observe pushes/splices on a user link DB 'data' field (should only happen for local changes) switch (change.type as any) { case "splice": (change as any).added.forEach((link: any) => addLinkToDoc(toRealField(link))); @@ -64,13 +71,29 @@ export class LinkManager { case "update": //let oldValue = change.oldValue; } }, true); + observe(userLinkDBDoc, "data", // obsever when a new array of links is assigned as the link DB 'data' field (should happen whenever a remote user adds/removes a link) + change => { + switch (change.type as any) { + case "update": + Promise.all([...(change.oldValue as any as Doc[] || []), ...(change.newValue as any as Doc[] || [])]).then(doclist => { + const oldDocs = doclist.slice(0, (change.oldValue as any as Doc[] || []).length); + const newDocs = doclist.slice((change.oldValue as any as Doc[] || []).length, doclist.length); + + const added = newDocs?.filter(link => !(oldDocs || []).includes(link)); + const removed = oldDocs?.filter(link => !(newDocs || []).includes(link)); + added?.forEach((link: any) => addLinkToDoc(toRealField(link))); + removed?.forEach((link: any) => remLinkFromDoc(toRealField(link))); + }); + } + }, true); }; - observe(LinkManager.userDocs, change => { + observe(LinkManager.userLinkDBs, change => { switch (change.type as any) { - case "splice": (change as any).added.forEach(watchUserLinks); break; + case "splice": (change as any).added.forEach(watchUserLinkDB); break; case "update": //let oldValue = change.oldValue; } }, true); + LinkManager.addLinkDB(Doc.LinkDBDoc()); }); } @@ -89,9 +112,10 @@ export class LinkManager { relatedLinker = computedFn(function relatedLinker(this: any, anchor: Doc): Doc[] { const lfield = Doc.LayoutFieldKey(anchor); - return DocListCast(anchor[lfield + "-annotations"]).concat(DocListCast(anchor[lfield + "-annotations-timeline"])).reduce((list, anno) => + const related = DocListCast(anchor[lfield + "-annotations"]).concat(DocListCast(anchor[lfield + "-annotations-timeline"])).reduce((list, anno) => [...list, ...LinkManager.Instance.relatedLinker(anno)], - Array.from(Doc.GetProto(anchor)[DirectLinksSym]).slice());// LinkManager.Instance.directLinker(anchor).slice()); + Array.from(Doc.GetProto(anchor)[DirectLinksSym]).slice()); + return related; }, true); // returns map of group type to anchor's links in that group type |