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import { Key } from "../fields/Key"
import { ObservableMap, action, reaction } from "mobx";
import { Field, FieldWaiting, FIELD_WAITING, Opt, FieldId } from "../fields/Field"
import { Document } from "../fields/Document"
import { SocketStub } from "./SocketStub";
import * as OpenSocket from 'socket.io-client';
import { Utils } from "./../Utils";
import { MessageStore, Types } from "./../server/Message";
export class Server {
public static ClientFieldsCached: ObservableMap<FieldId, Field | FIELD_WAITING> = new ObservableMap();
static Socket: SocketIOClient.Socket = OpenSocket("http://localhost:1234");
static GUID: string = Utils.GenerateGuid()
// Retrieves the cached value of the field and sends a request to the server for the real value (if it's not cached).
// Call this is from within a reaction and test whether the return value is FieldWaiting.
// 'hackTimeout' is here temporarily for simplicity when debugging things.
public static GetField(fieldid: FieldId, callback: (field: Opt<Field>) => void): void {
let cached = this.ClientFieldsCached.get(fieldid);
if (!cached) {
this.ClientFieldsCached.set(fieldid, FieldWaiting);
SocketStub.SEND_FIELD_REQUEST(fieldid, action((field: Field | undefined) => {
let cached = this.ClientFieldsCached.get(fieldid);
if (cached != FieldWaiting)
callback(cached);
else {
if (field) {
this.ClientFieldsCached.set(fieldid, field);
} else {
this.ClientFieldsCached.delete(fieldid)
}
callback(field)
}
}));
} else if (cached != FieldWaiting) {
callback(cached);
} else {
reaction(() => {
return this.ClientFieldsCached.get(fieldid);
}, (field, reaction) => {
if (field !== "<Waiting>") {
callback(field)
reaction.dispose()
}
})
}
}
public static GetFields(fieldIds: FieldId[], callback: (fields: { [id: string]: Field }) => any) {
SocketStub.SEND_FIELDS_REQUEST(fieldIds, (fields) => {
for (let key in fields) {
let field = fields[key];
if (!this.ClientFieldsCached.has(field.Id)) {
this.ClientFieldsCached.set(field.Id, field)
}
}
callback(fields)
});
}
static times = 0; // hack for testing
public static GetDocumentField(doc: Document, key: Key) {
// let keyId: string = element[0]
// let valueId: string = element[1]
// Server.GetField(keyId, (key: Field) => {
// if (key instanceof Key) {
// Server.GetField(valueId, (field: Field) => {
// console.log(field)
// doc.Set(key as Key, field)
// })
// }
// else {
// console.log("how did you get a key that isnt a key wtf")
// }
// })
let field = doc._proxies.get(key.Id);
if (field) {
this.GetField(field,
action((fieldfromserver: Opt<Field>) => {
if (fieldfromserver) {
doc.fields.set(key.Id, { key, field: fieldfromserver });
}
}));
}
}
public static AddDocument(document: Document) {
SocketStub.SEND_ADD_DOCUMENT(document);
}
public static AddDocumentField(doc: Document, key: Key, value: Field) {
console.log("Add doc field " + doc.Title + " " + key.Name + " fid " + value.Id + " " + value);
SocketStub.SEND_ADD_DOCUMENT_FIELD(doc, key, value);
}
public static DeleteDocumentField(doc: Document, key: Key) {
SocketStub.SEND_DELETE_DOCUMENT_FIELD(doc, key);
}
public static UpdateField(field: Field) {
if (!this.ClientFieldsCached.has(field.Id)) {
this.ClientFieldsCached.set(field.Id, field)
}
SocketStub.SEND_SET_FIELD(field);
}
static connected(message: string) {
Server.Socket.emit(MessageStore.Bar.Message, Server.GUID);
}
@action
private static cacheField(clientField: Field) {
var cached = this.ClientFieldsCached.get(clientField.Id);
if (!cached || cached == FieldWaiting) {
this.ClientFieldsCached.set(clientField.Id, clientField);
} else {
// probably should overwrite the values within any field that was already here...
}
return this.ClientFieldsCached.get(clientField.Id) as Field;
}
@action
static updateField(field: { _id: string, data: any, type: Types }) {
if (Server.ClientFieldsCached.has(field._id)) {
var f = Server.ClientFieldsCached.get(field._id);
if (f && f != FieldWaiting) {
f.UpdateFromServer(field.data);
f.init(() => { });
}
}
}
}
Server.Socket.on(MessageStore.Foo.Message, Server.connected);
Server.Socket.on(MessageStore.SetField.Message, Server.updateField);
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