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Diffstat (limited to 'src/new_fields/Doc.ts')
| -rw-r--r-- | src/new_fields/Doc.ts | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/src/new_fields/Doc.ts b/src/new_fields/Doc.ts new file mode 100644 index 000000000..79e5a156d --- /dev/null +++ b/src/new_fields/Doc.ts @@ -0,0 +1,171 @@ +import { observable, action } from "mobx"; +import { serializable, primitive, map, alias, list } from "serializr"; +import { autoObject, SerializationHelper, Deserializable } from "../client/util/SerializationHelper"; +import { Utils } from "../Utils"; +import { DocServer } from "../client/DocServer"; +import { setter, getter, getField } from "./util"; +import { Cast, ToConstructor, PromiseValue, FieldValue } from "./Types"; +import { UndoManager, undoBatch } from "../client/util/UndoManager"; +import { listSpec } from "./Schema"; +import { List } from "./List"; + +export type FieldId = string; +export const HandleUpdate = Symbol("HandleUpdate"); +export const Id = Symbol("Id"); +export abstract class RefField { + @serializable(alias("id", primitive())) + private __id: FieldId; + readonly [Id]: FieldId; + + constructor(id?: FieldId) { + this.__id = id || Utils.GenerateGuid(); + this[Id] = this.__id; + } + + protected [HandleUpdate]?(diff: any): void; +} + +export const Update = Symbol("Update"); +export const OnUpdate = Symbol("OnUpdate"); +export const Parent = Symbol("Parent"); +export class ObjectField { + protected [OnUpdate]?: (diff?: any) => void; + private [Parent]?: Doc; + readonly [Id] = ""; +} + +export type Field = number | string | boolean | ObjectField | RefField; +export type Opt<T> = T | undefined; +export type FieldWaiting<T extends RefField = RefField> = T extends undefined ? never : Promise<T | undefined>; +export type FieldResult<T extends Field = Field> = Opt<T> | FieldWaiting<Extract<T, RefField>>; + +export const Self = Symbol("Self"); + +@Deserializable("doc").withFields(["id"]) +export class Doc extends RefField { + constructor(id?: FieldId, forceSave?: boolean) { + super(id); + const doc = new Proxy<this>(this, { + set: setter, + get: getter, + deleteProperty: () => { throw new Error("Currently properties can't be deleted from documents, assign to undefined instead"); }, + defineProperty: () => { throw new Error("Currently properties can't be defined on documents using Object.defineProperty"); }, + }); + if (!id || forceSave) { + DocServer.CreateField(SerializationHelper.Serialize(doc)); + } + return doc; + } + + proto: Opt<Doc>; + [key: string]: FieldResult; + + @serializable(alias("fields", map(autoObject()))) + @observable + //{ [key: string]: Field | FieldWaiting | undefined } + private __fields: any = {}; + + private [Update] = (diff: any) => { + DocServer.UpdateField(this[Id], diff); + } + + private [Self] = this; +} + +export namespace Doc { + // export function GetAsync(doc: Doc, key: string, ignoreProto: boolean = false): Promise<Field | undefined> { + // const self = doc[Self]; + // return new Promise(res => getField(self, key, ignoreProto, res)); + // } + // export function GetTAsync<T extends Field>(doc: Doc, key: string, ctor: ToConstructor<T>, ignoreProto: boolean = false): Promise<T | undefined> { + // return new Promise(async res => { + // const field = await GetAsync(doc, key, ignoreProto); + // return Cast(field, ctor); + // }); + // } + export function Get(doc: Doc, key: string, ignoreProto: boolean = false): FieldResult { + const self = doc[Self]; + return getField(self, key, ignoreProto); + } + export function GetT<T extends Field>(doc: Doc, key: string, ctor: ToConstructor<T>, ignoreProto: boolean = false): T | null | undefined { + return Cast(Get(doc, key, ignoreProto), ctor) as T | null | undefined; + } + export async function SetOnPrototype(doc: Doc, key: string, value: Field) { + const proto = await Cast(doc.proto, Doc); + if (proto) { + proto[key] = value; + } + } + export function GetAllPrototypes(doc: Doc): Doc[] { + const protos: Doc[] = []; + let d: Opt<Doc> = doc; + while (d) { + protos.push(d); + d = FieldValue(d.proto); + } + return protos; + } + export function assign<K extends string>(doc: Doc, fields: Partial<Record<K, Opt<Field>>>) { + for (const key in fields) { + if (fields.hasOwnProperty(key)) { + const value = fields[key]; + if (value !== undefined) { + doc[key] = value; + } + } + } + return doc; + } + + export function MakeAlias(doc: Doc) { + const alias = new Doc; + + PromiseValue(Cast(doc.proto, Doc)).then(proto => { + if (proto) { + alias.proto = proto; + } + }); + + return alias; + } + + export function MakeLink(source: Doc, target: Doc): Doc { + let linkDoc = new Doc; + UndoManager.RunInBatch(() => { + linkDoc.title = "New Link"; + linkDoc.linkDescription = ""; + linkDoc.linkTags = "Default"; + + linkDoc.linkedTo = target; + linkDoc.linkedFrom = source; + + let linkedFrom = Cast(target.linkedFromDocs, listSpec(Doc)); + if (!linkedFrom) { + target.linkedFromDocs = linkedFrom = new List<Doc>(); + } + linkedFrom.push(linkDoc); + + let linkedTo = Cast(source.linkedToDocs, listSpec(Doc)); + if (!linkedTo) { + source.linkedToDocs = linkedTo = new List<Doc>(); + } + linkedTo.push(linkDoc); + }, "make link"); + return linkDoc; + } + + export function MakeDelegate(doc: Doc): Doc; + export function MakeDelegate(doc: Opt<Doc>): Opt<Doc>; + export function MakeDelegate(doc: Opt<Doc>): Opt<Doc> { + if (!doc) { + return undefined; + } + const delegate = new Doc(); + //TODO Does this need to be doc[Self]? + delegate.proto = doc; + return delegate; + } + export const Prototype = Symbol("Prototype"); +} + +export const GetAsync = Doc.GetAsync;
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