typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
183 lines (181 loc) • 11 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 {
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; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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 };
}
};
import { OracleDriver } from "../driver/oracle/OracleDriver";
/**
* Allows to work with entity relations and perform specific operations with those relations.
*
* todo: add transactions everywhere
*/
var RelationUpdater = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function RelationUpdater(queryBuilder, expressionMap) {
this.queryBuilder = queryBuilder;
this.expressionMap = expressionMap;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Performs set or add operation on a relation.
*/
RelationUpdater.prototype.update = function (value) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
var relation, updateSet, updateSet_1, ofs, parameters_1, conditions_1, condition, of_1, updateSet, junctionMetadata_1, ofs, values, firstColumnValues, secondColumnValues_1, bulkInserted_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
relation = this.expressionMap.relationMetadata;
if (!(relation.isManyToOne || relation.isOneToOneOwner)) return [3 /*break*/, 2];
updateSet = relation.joinColumns.reduce(function (updateSet, joinColumn) {
var relationValue = value instanceof Object ? joinColumn.referencedColumn.getEntityValue(value) : value;
joinColumn.setEntityValue(updateSet, relationValue);
return updateSet;
}, {});
if (!this.expressionMap.of || (this.expressionMap.of instanceof Array && !this.expressionMap.of.length))
return [2 /*return*/];
return [4 /*yield*/, this.queryBuilder
.createQueryBuilder()
.update(relation.entityMetadata.target)
.set(updateSet)
.whereInIds(this.expressionMap.of)
.execute()];
case 1:
_a.sent();
return [3 /*break*/, 10];
case 2:
if (!((relation.isOneToOneNotOwner || relation.isOneToMany) && value === null)) return [3 /*break*/, 4];
updateSet_1 = {};
relation.inverseRelation.joinColumns.forEach(function (column) {
updateSet_1[column.propertyName] = null;
});
ofs = this.expressionMap.of instanceof Array ? this.expressionMap.of : [this.expressionMap.of];
parameters_1 = {};
conditions_1 = [];
ofs.forEach(function (of, ofIndex) {
relation.inverseRelation.joinColumns.map(function (column, columnIndex) {
var parameterName = "joinColumn_" + ofIndex + "_" + columnIndex;
parameters_1[parameterName] = of instanceof Object ? column.referencedColumn.getEntityValue(of) : of;
conditions_1.push(column.propertyPath + " = :" + parameterName);
});
});
condition = conditions_1.map(function (str) { return "(" + str + ")"; }).join(" OR ");
if (!condition)
return [2 /*return*/];
return [4 /*yield*/, this.queryBuilder
.createQueryBuilder()
.update(relation.inverseEntityMetadata.target)
.set(updateSet_1)
.where(condition)
.setParameters(parameters_1)
.execute()];
case 3:
_a.sent();
return [3 /*break*/, 10];
case 4:
if (!(relation.isOneToOneNotOwner || relation.isOneToMany)) return [3 /*break*/, 6];
if (this.expressionMap.of instanceof Array)
throw new Error("You cannot update relations of multiple entities with the same related object. Provide a single entity into .of method.");
of_1 = this.expressionMap.of;
updateSet = relation.inverseRelation.joinColumns.reduce(function (updateSet, joinColumn) {
var relationValue = of_1 instanceof Object ? joinColumn.referencedColumn.getEntityValue(of_1) : of_1;
joinColumn.setEntityValue(updateSet, relationValue);
return updateSet;
}, {});
if (!value || (value instanceof Array && !value.length))
return [2 /*return*/];
return [4 /*yield*/, this.queryBuilder
.createQueryBuilder()
.update(relation.inverseEntityMetadata.target)
.set(updateSet)
.whereInIds(value)
.execute()];
case 5:
_a.sent();
return [3 /*break*/, 10];
case 6:
junctionMetadata_1 = relation.junctionEntityMetadata;
ofs = this.expressionMap.of instanceof Array ? this.expressionMap.of : [this.expressionMap.of];
values = value instanceof Array ? value : [value];
firstColumnValues = relation.isManyToManyOwner ? ofs : values;
secondColumnValues_1 = relation.isManyToManyOwner ? values : ofs;
bulkInserted_1 = [];
firstColumnValues.forEach(function (firstColumnVal) {
secondColumnValues_1.forEach(function (secondColumnVal) {
var inserted = {};
junctionMetadata_1.ownerColumns.forEach(function (column) {
inserted[column.databaseName] = firstColumnVal instanceof Object ? column.referencedColumn.getEntityValue(firstColumnVal) : firstColumnVal;
});
junctionMetadata_1.inverseColumns.forEach(function (column) {
inserted[column.databaseName] = secondColumnVal instanceof Object ? column.referencedColumn.getEntityValue(secondColumnVal) : secondColumnVal;
});
bulkInserted_1.push(inserted);
});
});
if (!bulkInserted_1.length)
return [2 /*return*/];
if (!(this.queryBuilder.connection.driver instanceof OracleDriver)) return [3 /*break*/, 8];
return [4 /*yield*/, Promise.all(bulkInserted_1.map(function (value) {
return _this.queryBuilder
.createQueryBuilder()
.insert()
.into(junctionMetadata_1.tableName)
.values(value)
.execute();
}))];
case 7:
_a.sent();
return [3 /*break*/, 10];
case 8: return [4 /*yield*/, this.queryBuilder
.createQueryBuilder()
.insert()
.into(junctionMetadata_1.tableName)
.values(bulkInserted_1)
.execute()];
case 9:
_a.sent();
_a.label = 10;
case 10: return [2 /*return*/];
}
});
});
};
return RelationUpdater;
}());
export { RelationUpdater };
//# sourceMappingURL=RelationUpdater.js.map