@worldbrain/storex-sync
Version:
Offline-first syncing between multiple databases using Storex
125 lines • 6.87 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, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
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case 0: case 1: t = op; break;
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_.trys.pop(); continue;
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} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
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}
};
var __values = (this && this.__values) || function (o) {
var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;
if (m) return m.call(o);
return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
};
Object.defineProperty(exports, "__esModule", { value: true });
var utils_1 = require("@worldbrain/storex/lib/utils");
var CustomAutoPkMiddleware = (function () {
function CustomAutoPkMiddleware(_a) {
var pkGenerator = _a.pkGenerator;
this._pkGenerator = pkGenerator;
}
CustomAutoPkMiddleware.prototype.setup = function (_a) {
var storageRegistry = _a.storageRegistry, collections = _a.collections;
var e_1, _b;
this._storageRegistry = storageRegistry;
this._collections = {};
try {
for (var collections_1 = __values(collections), collections_1_1 = collections_1.next(); !collections_1_1.done; collections_1_1 = collections_1.next()) {
var collection = collections_1_1.value;
var collectionDefinition = storageRegistry.collections[collection];
var pkIndex = collectionDefinition.pkIndex;
collectionDefinition.fields[pkIndex].type = 'string';
this._collections[collection] = { pkIndex: pkIndex };
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (collections_1_1 && !collections_1_1.done && (_b = collections_1.return)) _b.call(collections_1);
}
finally { if (e_1) throw e_1.error; }
}
};
CustomAutoPkMiddleware.prototype.process = function (_a) {
var next = _a.next, operation = _a.operation;
return __awaiter(this, void 0, void 0, function () {
var e_2, _b, mainCollection, object, operationDissection, batch, batch_1, batch_1_1, batchElement, collectionInfo, batchResult;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
mainCollection = operation[1];
if (operation[0] !== 'createObject' || !this._collections[mainCollection]) {
return [2, next.process({ operation: operation })];
}
object = operation[2];
operationDissection = utils_1.dissectCreateObjectOperation({
collection: mainCollection,
args: object
}, this._storageRegistry);
batch = utils_1.convertCreateObjectDissectionToBatch(operationDissection);
try {
for (batch_1 = __values(batch), batch_1_1 = batch_1.next(); !batch_1_1.done; batch_1_1 = batch_1.next()) {
batchElement = batch_1_1.value;
collectionInfo = this._collections[batchElement.collection];
if (!collectionInfo) {
continue;
}
batchElement.args[collectionInfo.pkIndex] = this._pkGenerator();
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (batch_1_1 && !batch_1_1.done && (_b = batch_1.return)) _b.call(batch_1);
}
finally { if (e_2) throw e_2.error; }
}
return [4, next.process({ operation: ['executeBatch', batch] })];
case 1:
batchResult = _c.sent();
utils_1.reconstructCreatedObjectFromBatchResult({
object: object, collection: mainCollection, storageRegistry: this._storageRegistry,
operationDissection: operationDissection, batchResultInfo: batchResult.info
});
return [2, { object: object }];
}
});
});
};
return CustomAutoPkMiddleware;
}());
exports.CustomAutoPkMiddleware = CustomAutoPkMiddleware;
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