typeorm
Version:
Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.
108 lines (106 loc) • 6.97 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.RelationRemover = void 0;
var tslib_1 = require("tslib");
/**
* Allows to work with entity relations and perform specific operations with those relations.
*
* todo: add transactions everywhere
*/
var RelationRemover = /** @class */ (function () {
// -------------------------------------------------------------------------
// Constructor
// -------------------------------------------------------------------------
function RelationRemover(queryBuilder, expressionMap) {
this.queryBuilder = queryBuilder;
this.expressionMap = expressionMap;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Performs remove operation on a relation.
*/
RelationRemover.prototype.remove = function (value) {
return tslib_1.__awaiter(this, void 0, void 0, function () {
var relation, ofs, values_1, updateSet_1, parameters_1, conditions_1, condition, junctionMetadata_1, ofs, values, firstColumnValues, secondColumnValues_1, parameters_2, conditions_2, condition;
return tslib_1.__generator(this, function (_a) {
switch (_a.label) {
case 0:
relation = this.expressionMap.relationMetadata;
if (!relation.isOneToMany) return [3 /*break*/, 2];
ofs = Array.isArray(this.expressionMap.of) ? this.expressionMap.of : [this.expressionMap.of];
values_1 = Array.isArray(value) ? value : [value];
updateSet_1 = {};
relation.inverseRelation.joinColumns.forEach(function (column) {
updateSet_1[column.propertyName] = null;
});
parameters_1 = {};
conditions_1 = [];
ofs.forEach(function (of, ofIndex) {
conditions_1.push.apply(conditions_1, tslib_1.__spreadArray([], tslib_1.__read(values_1.map(function (value, valueIndex) {
return tslib_1.__spreadArray(tslib_1.__spreadArray([], tslib_1.__read(relation.inverseRelation.joinColumns.map(function (column, columnIndex) {
var parameterName = "joinColumn_" + ofIndex + "_" + valueIndex + "_" + columnIndex;
parameters_1[parameterName] = of instanceof Object ? column.referencedColumn.getEntityValue(of) : of;
return column.propertyPath + " = :" + parameterName;
}))), tslib_1.__read(relation.inverseRelation.entityMetadata.primaryColumns.map(function (column, columnIndex) {
var parameterName = "primaryColumn_" + valueIndex + "_" + valueIndex + "_" + columnIndex;
parameters_1[parameterName] = value instanceof Object ? column.getEntityValue(value) : value;
return column.propertyPath + " = :" + parameterName;
}))).join(" AND ");
}))));
});
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 1:
_a.sent();
return [3 /*break*/, 4];
case 2:
junctionMetadata_1 = relation.junctionEntityMetadata;
ofs = Array.isArray(this.expressionMap.of) ? this.expressionMap.of : [this.expressionMap.of];
values = Array.isArray(value) ? value : [value];
firstColumnValues = relation.isManyToManyOwner ? ofs : values;
secondColumnValues_1 = relation.isManyToManyOwner ? values : ofs;
parameters_2 = {};
conditions_2 = [];
firstColumnValues.forEach(function (firstColumnVal, firstColumnValIndex) {
conditions_2.push.apply(conditions_2, tslib_1.__spreadArray([], tslib_1.__read(secondColumnValues_1.map(function (secondColumnVal, secondColumnValIndex) {
return tslib_1.__spreadArray(tslib_1.__spreadArray([], tslib_1.__read(junctionMetadata_1.ownerColumns.map(function (column, columnIndex) {
var parameterName = "firstValue_" + firstColumnValIndex + "_" + secondColumnValIndex + "_" + columnIndex;
parameters_2[parameterName] = firstColumnVal instanceof Object ? column.referencedColumn.getEntityValue(firstColumnVal) : firstColumnVal;
return column.databaseName + " = :" + parameterName;
}))), tslib_1.__read(junctionMetadata_1.inverseColumns.map(function (column, columnIndex) {
var parameterName = "secondValue_" + firstColumnValIndex + "_" + secondColumnValIndex + "_" + columnIndex;
parameters_2[parameterName] = secondColumnVal instanceof Object ? column.referencedColumn.getEntityValue(secondColumnVal) : secondColumnVal;
return column.databaseName + " = :" + parameterName;
}))).join(" AND ");
}))));
});
condition = conditions_2.map(function (str) { return "(" + str + ")"; }).join(" OR ");
return [4 /*yield*/, this.queryBuilder
.createQueryBuilder()
.delete()
.from(junctionMetadata_1.tableName)
.where(condition)
.setParameters(parameters_2)
.execute()];
case 3:
_a.sent();
_a.label = 4;
case 4: return [2 /*return*/];
}
});
});
};
return RelationRemover;
}());
exports.RelationRemover = RelationRemover;
//# sourceMappingURL=RelationRemover.js.map