sequelize-typescript
Version:
Decorators and some other extras for sequelize (v3 + v4)
64 lines • 2.69 kB
JavaScript
;
var __assign = (this && this.__assign) || Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
var association_1 = require("../../services/association");
var ModelNotInitializedError_1 = require("../errors/ModelNotInitializedError");
var BaseAssociation = /** @class */ (function () {
function BaseAssociation(associatedClassGetter) {
this.associatedClassGetter = associatedClassGetter;
}
BaseAssociation.prototype.getAssociatedClass = function () {
var modelClass = this.associatedClassGetter();
if (!modelClass.isInitialized) {
throw new ModelNotInitializedError_1.ModelNotInitializedError(modelClass, {
cause: 'before association can be resolved.'
});
}
return modelClass;
};
BaseAssociation.prototype.init = function (model, sequelize) {
if (!this._options) {
this._options = this.getPreparedOptions(model, sequelize);
}
};
BaseAssociation.prototype.getSequelizeOptions = function () {
if (!this._options) {
throw new Error("Association need to be initialized with a sequelize instance");
}
return this._options;
};
BaseAssociation.prototype.getForeignKeyOptions = function (relatedClass, classWithForeignKey, foreignKey) {
var foreignKeyOptions = {};
if (typeof foreignKey === 'string') {
foreignKeyOptions.name = foreignKey;
}
else if (foreignKey && typeof foreignKey === 'object') {
foreignKeyOptions = __assign({}, foreignKey);
}
if (!foreignKeyOptions.name) {
var foreignKeys = association_1.getForeignKeys(classWithForeignKey.prototype) || [];
for (var _i = 0, foreignKeys_1 = foreignKeys; _i < foreignKeys_1.length; _i++) {
var key = foreignKeys_1[_i];
if (key.relatedClassGetter() === relatedClass) {
foreignKeyOptions.name = key.foreignKey;
break;
}
}
if (!foreignKeyOptions.name) {
throw new Error("Foreign key for \"" + relatedClass.name + "\" is missing " +
("on \"" + classWithForeignKey.name + "\"."));
}
}
return foreignKeyOptions;
};
return BaseAssociation;
}());
exports.BaseAssociation = BaseAssociation;
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