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import { observable, action } from "mobx";
import { StrCast, Cast, FieldValue } from "../../new_fields/Types";
import { Doc, DocListCast } from "../../new_fields/Doc";
import { listSpec } from "../../new_fields/Schema";
import { List } from "../../new_fields/List";
import { Id } from "../../new_fields/FieldSymbols";
import { CurrentUserUtils } from "../../server/authentication/models/current_user_utils";
import { Docs } from "../documents/Documents";
import { Scripting } from "./Scripting";
/*
* link doc:
* - anchor1: doc
* - anchor1page: number
* - anchor1groups: list of group docs representing the groups anchor1 categorizes this link/anchor2 in
* - anchor2: doc
* - anchor2page: number
* - anchor2groups: list of group docs representing the groups anchor2 categorizes this link/anchor1 in
*
* group doc:
* - type: string representing the group type/name/category
* - metadata: doc representing the metadata kvps
*
* metadata doc:
* - user defined kvps
*/
export class LinkManager {
private static _instance: LinkManager;
public static get Instance(): LinkManager {
return this._instance || (this._instance = new this());
}
private constructor() {
}
// the linkmanagerdoc stores a list of docs representing all linkdocs in 'allLinks' and a list of strings representing all group types in 'allGroupTypes'
// lists of strings representing the metadata keys for each group type is stored under a key that is the same as the group type
public get LinkManagerDoc(): Doc | undefined {
// return FieldValue(Cast(CurrentUserUtils.UserDocument.linkManagerDoc, Doc));
return Docs.Prototypes.MainLinkDocument();
}
public getAllLinks(): Doc[] {
let ldoc = LinkManager.Instance.LinkManagerDoc;
if (ldoc) {
let docs = DocListCast(ldoc.allLinks);
return docs;
}
return [];
}
public addLink(linkDoc: Doc): boolean {
let linkList = LinkManager.Instance.getAllLinks();
linkList.push(linkDoc);
if (LinkManager.Instance.LinkManagerDoc) {
LinkManager.Instance.LinkManagerDoc.allLinks = new List<Doc>(linkList);
return true;
}
return false;
}
public deleteLink(linkDoc: Doc): boolean {
let linkList = LinkManager.Instance.getAllLinks();
let index = LinkManager.Instance.getAllLinks().indexOf(linkDoc);
if (index > -1) {
linkList.splice(index, 1);
if (LinkManager.Instance.LinkManagerDoc) {
LinkManager.Instance.LinkManagerDoc.allLinks = new List<Doc>(linkList);
return true;
}
}
return false;
}
// finds all links that contain the given anchor
public getAllRelatedLinks(anchor: Doc): Doc[] {//List<Doc> {
let related = LinkManager.Instance.getAllLinks().filter(link => {
let protomatch1 = Doc.AreProtosEqual(anchor, Cast(link.anchor1, Doc, null));
let protomatch2 = Doc.AreProtosEqual(anchor, Cast(link.anchor2, Doc, null));
return protomatch1 || protomatch2;
});
return related;
}
public deleteAllLinksOnAnchor(anchor: Doc) {
let related = LinkManager.Instance.getAllRelatedLinks(anchor);
related.forEach(linkDoc => LinkManager.Instance.deleteLink(linkDoc));
}
public addGroupType(groupType: string): boolean {
if (LinkManager.Instance.LinkManagerDoc) {
LinkManager.Instance.LinkManagerDoc[groupType] = new List<string>([]);
let groupTypes = LinkManager.Instance.getAllGroupTypes();
groupTypes.push(groupType);
LinkManager.Instance.LinkManagerDoc.allGroupTypes = new List<string>(groupTypes);
return true;
}
return false;
}
// removes all group docs from all links with the given group type
public deleteGroupType(groupType: string): boolean {
if (LinkManager.Instance.LinkManagerDoc) {
if (LinkManager.Instance.LinkManagerDoc[groupType]) {
let groupTypes = LinkManager.Instance.getAllGroupTypes();
let index = groupTypes.findIndex(type => type.toUpperCase() === groupType.toUpperCase());
if (index > -1) groupTypes.splice(index, 1);
LinkManager.Instance.LinkManagerDoc.allGroupTypes = new List<string>(groupTypes);
LinkManager.Instance.LinkManagerDoc[groupType] = undefined;
LinkManager.Instance.getAllLinks().forEach(async linkDoc => {
const anchor1 = await Cast(linkDoc.anchor1, Doc);
const anchor2 = await Cast(linkDoc.anchor2, Doc);
anchor1 && LinkManager.Instance.removeGroupFromAnchor(linkDoc, anchor1, groupType);
anchor2 && LinkManager.Instance.removeGroupFromAnchor(linkDoc, anchor2, groupType);
});
}
return true;
} else return false;
}
public getAllGroupTypes(): string[] {
if (LinkManager.Instance.LinkManagerDoc) {
if (LinkManager.Instance.LinkManagerDoc.allGroupTypes) {
return Cast(LinkManager.Instance.LinkManagerDoc.allGroupTypes, listSpec("string"), []);
} else {
LinkManager.Instance.LinkManagerDoc.allGroupTypes = new List<string>([]);
return [];
}
}
return [];
}
// gets the groups associates with an anchor in a link
public getAnchorGroups(linkDoc: Doc, anchor?: Doc): Array<Doc> {
if (Doc.AreProtosEqual(anchor, Cast(linkDoc.anchor1, Doc, null))) {
return DocListCast(linkDoc.anchor1Groups);
} else {
return DocListCast(linkDoc.anchor2Groups);
}
}
// sets the groups of the given anchor in the given link
public setAnchorGroups(linkDoc: Doc, anchor: Doc, groups: Doc[]) {
if (Doc.AreProtosEqual(anchor, Cast(linkDoc.anchor1, Doc, null))) {
linkDoc.anchor1Groups = new List<Doc>(groups);
} else {
linkDoc.anchor2Groups = new List<Doc>(groups);
}
}
public addGroupToAnchor(linkDoc: Doc, anchor: Doc, groupDoc: Doc, replace: boolean = false) {
let groups = LinkManager.Instance.getAnchorGroups(linkDoc, anchor);
let index = groups.findIndex(gDoc => {
return StrCast(groupDoc.type).toUpperCase() === StrCast(gDoc.type).toUpperCase();
});
if (index > -1 && replace) {
groups[index] = groupDoc;
}
if (index === -1) {
groups.push(groupDoc);
}
LinkManager.Instance.setAnchorGroups(linkDoc, anchor, groups);
}
// removes group doc of given group type only from given anchor on given link
public removeGroupFromAnchor(linkDoc: Doc, anchor: Doc, groupType: string) {
let groups = LinkManager.Instance.getAnchorGroups(linkDoc, anchor);
let newGroups = groups.filter(groupDoc => StrCast(groupDoc.type).toUpperCase() !== groupType.toUpperCase());
LinkManager.Instance.setAnchorGroups(linkDoc, anchor, newGroups);
}
// returns map of group type to anchor's links in that group type
public getRelatedGroupedLinks(anchor: Doc): Map<string, Array<Doc>> {
let related = this.getAllRelatedLinks(anchor);
let anchorGroups = new Map<string, Array<Doc>>();
related.forEach(link => {
let groups = LinkManager.Instance.getAnchorGroups(link, anchor);
if (groups.length > 0) {
groups.forEach(groupDoc => {
let groupType = StrCast(groupDoc.type);
if (groupType === "") {
let group = anchorGroups.get("*");
anchorGroups.set("*", group ? [...group, link] : [link]);
} else {
let group = anchorGroups.get(groupType);
anchorGroups.set(groupType, group ? [...group, link] : [link]);
}
});
} else {
// if link is in no groups then put it in default group
let group = anchorGroups.get("*");
anchorGroups.set("*", group ? [...group, link] : [link]);
}
});
return anchorGroups;
}
// gets a list of strings representing the keys of the metadata associated with the given group type
public getMetadataKeysInGroup(groupType: string): string[] {
if (LinkManager.Instance.LinkManagerDoc) {
return LinkManager.Instance.LinkManagerDoc[groupType] ? Cast(LinkManager.Instance.LinkManagerDoc[groupType], listSpec("string"), []) : [];
}
return [];
}
public setMetadataKeysForGroup(groupType: string, keys: string[]): boolean {
if (LinkManager.Instance.LinkManagerDoc) {
LinkManager.Instance.LinkManagerDoc[groupType] = new List<string>(keys);
return true;
}
return false;
}
// returns a list of all metadata docs associated with the given group type
public getAllMetadataDocsInGroup(groupType: string): Array<Doc> {
let md: Doc[] = [];
let allLinks = LinkManager.Instance.getAllLinks();
allLinks.forEach(linkDoc => {
let anchor1Groups = LinkManager.Instance.getAnchorGroups(linkDoc, Cast(linkDoc.anchor1, Doc, null));
let anchor2Groups = LinkManager.Instance.getAnchorGroups(linkDoc, Cast(linkDoc.anchor2, Doc, null));
anchor1Groups.forEach(groupDoc => { if (StrCast(groupDoc.type).toUpperCase() === groupType.toUpperCase()) { const meta = Cast(groupDoc.metadata, Doc, null); meta && md.push(meta); } });
anchor2Groups.forEach(groupDoc => { if (StrCast(groupDoc.type).toUpperCase() === groupType.toUpperCase()) { const meta = Cast(groupDoc.metadata, Doc, null); meta && md.push(meta); } });
});
return md;
}
// checks if a link with the given anchors exists
public doesLinkExist(anchor1: Doc, anchor2: Doc): boolean {
let allLinks = LinkManager.Instance.getAllLinks();
let index = allLinks.findIndex(linkDoc => {
return (Doc.AreProtosEqual(Cast(linkDoc.anchor1, Doc, null), anchor1) && Doc.AreProtosEqual(Cast(linkDoc.anchor2, Doc, null), anchor2)) ||
(Doc.AreProtosEqual(Cast(linkDoc.anchor1, Doc, null), anchor2) && Doc.AreProtosEqual(Cast(linkDoc.anchor2, Doc, null), anchor1));
});
return index !== -1;
}
// finds the opposite anchor of a given anchor in a link
//TODO This should probably return undefined if there isn't an opposite anchor
//TODO This should also await the return value of the anchor so we don't filter out promises
public getOppositeAnchor(linkDoc: Doc, anchor: Doc): Doc | undefined {
if (Doc.AreProtosEqual(anchor, Cast(linkDoc.anchor1, Doc, null))) {
return Cast(linkDoc.anchor2, Doc, null);
} else {
return Cast(linkDoc.anchor1, Doc, null);
}
}
}
Scripting.addGlobal(function links(doc: any) {
return new List(LinkManager.Instance.getAllRelatedLinks(doc));
});
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