delta-store
Version:
An API for a store with change records
97 lines • 5.16 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t;
return { next: verb(0), "throw": verb(1), "return": verb(2) };
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = y[op[0] & 2 ? "return" : op[0] ? "throw" : "next"]) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [0, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
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if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var RepositoryApi_1 = require("../RepositoryApi");
var Subject_1 = require("rxjs/Subject");
/**
* Created by Papa on 11/26/2016.
*/
var InMemoryChangeList = (function () {
function InMemoryChangeList(shareInfo, platformInfo, changeStore) {
var _this = this;
this.shareInfo = shareInfo;
this.platformInfo = platformInfo;
this.changeStore = changeStore;
this._errorSubject = new Subject_1.Subject();
this._changesAddedRemotelySubject = new Subject_1.Subject();
changeStore.getChangesAddedSubject(this.shareInfo.name).subscribe(function (changeRecords) {
var remotelyAddedChanges = changeRecords.filter(function (changeRecord) { return changeRecord[platformInfo.dbIdField] !== shareInfo.dbId; });
if (remotelyAddedChanges.length) {
_this._changesAddedRemotelySubject.next(new RepositoryApi_1.ArrayChangeRecordIterator(remotelyAddedChanges));
}
});
}
InMemoryChangeList.prototype.loadFromRecord = function (changeRecord) {
return __awaiter(this, void 0, void 0, function () {
var allCurrentChangeRecords, id, i, currentRecord;
return __generator(this, function (_a) {
allCurrentChangeRecords = this.changeStore.getAllChanges(this.shareInfo.name);
if (!changeRecord) {
return [2 /*return*/, new RepositoryApi_1.ArrayChangeRecordIterator(allCurrentChangeRecords)];
}
id = this.platformInfo.recordIdField;
for (i = 0; i < allCurrentChangeRecords.length; i++) {
currentRecord = allCurrentChangeRecords[i];
if (currentRecord[id] === changeRecord[id]) {
return [2 /*return*/, new RepositoryApi_1.ArrayChangeRecordIterator(allCurrentChangeRecords, i + 1)];
}
}
throw "Change record not found. ID: " + changeRecord[id] + ".";
});
});
};
InMemoryChangeList.prototype.addChanges = function (changeRecords) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.changeStore.addChanges(this.shareInfo.name, changeRecords)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
InMemoryChangeList.prototype.errorSubject = function () {
return this._errorSubject;
};
InMemoryChangeList.prototype.changesAddedRemotelySubject = function () {
return this._changesAddedRemotelySubject;
};
return InMemoryChangeList;
}());
exports.InMemoryChangeList = InMemoryChangeList;
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