typeorm-versions
Version:
Entity versioning for TypeORM
159 lines • 8.2 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.VersionRepository = void 0;
var typeorm_1 = require("typeorm");
var Version_1 = require("../entity/Version");
var VersionRepository = /** @class */ (function (_super) {
__extends(VersionRepository, _super);
function VersionRepository() {
return _super !== null && _super.apply(this, arguments) || this;
}
VersionRepository.prototype.buildIdFromEntity = function (entity) {
var ids = [];
for (var _i = 0, _a = this.manager.connection.getMetadata(entity.constructor.name).primaryColumns; _i < _a.length; _i++) {
var pColumn = _a[_i];
ids.push(pColumn.getEntityValue(entity));
}
return ids.join('/');
};
VersionRepository.prototype.buildId = function (originalId) {
if (originalId === undefined) {
return undefined;
}
if (originalId instanceof Array) {
var ids = [];
for (var _i = 0, originalId_1 = originalId; _i < originalId_1.length; _i++) {
var idItem = originalId_1[_i];
ids.push(this.buildId(idItem));
}
return ids.join('/');
}
else {
return originalId;
}
};
VersionRepository.prototype.saveVersion = function (entity, event, owner) {
return __awaiter(this, void 0, void 0, function () {
var id, v;
return __generator(this, function (_a) {
id = this.buildIdFromEntity(entity);
if ((id === null || id === void 0 ? void 0 : id.length) < 1)
return [2 /*return*/];
v = new Version_1.Version();
v.event = event;
v.owner = owner || 'system';
v.object = entity;
v.itemId = id;
v.itemType = entity.constructor.name;
// timestamp shuould be defined via @CreateDateColumn, this shouldn't be necessary
// because the value should awlays be set via the DB's default current date-time function.
// However, the implementation accross DBs and drivers seems inconsistent, e.g.
// SQLite cuts off milliseconds, PostgreSQL is to precise for JS's Date object,
// MySQL differs in procision for a @CreateDateColumn and a simple Date @Column
v.timestamp = new Date();
return [2 /*return*/, this.save(v)];
});
});
};
VersionRepository.prototype.allForEntity = function (entity, id, take, skip, order) {
if (order === void 0) { order = "DESC"; }
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
Version_1.Version.useConnection(this.manager.connection);
return [2 /*return*/, this.find({
where: { itemType: entity.constructor.name, itemId: this.buildId(id) || this.buildIdFromEntity(entity) },
order: { timestamp: order },
take: take,
skip: skip,
})];
});
});
};
VersionRepository.prototype.previousForEntity = function (entity, id) {
return __awaiter(this, void 0, void 0, function () {
var versions;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.allForEntity(entity, id, 1, 1)];
case 1:
versions = _a.sent();
return [2 /*return*/, versions.shift()];
}
});
});
};
VersionRepository.prototype.latestForEntity = function (entity, id) {
return __awaiter(this, void 0, void 0, function () {
var versions;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.allForEntity(entity, id, 1)];
case 1:
versions = _a.sent();
return [2 /*return*/, versions.shift()];
}
});
});
};
VersionRepository = __decorate([
typeorm_1.EntityRepository(Version_1.Version)
], VersionRepository);
return VersionRepository;
}(typeorm_1.Repository));
exports.VersionRepository = VersionRepository;
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