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qwen/nodejs/node_modules/sequelize/lib/associations/has-one.js

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+"use strict";
+var __defProp = Object.defineProperty;
+var __defProps = Object.defineProperties;
+var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
+var __getOwnPropSymbols = Object.getOwnPropertySymbols;
+var __hasOwnProp = Object.prototype.hasOwnProperty;
+var __propIsEnum = Object.prototype.propertyIsEnumerable;
+var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
+var __spreadValues = (a, b) => {
+  for (var prop in b || (b = {}))
+    if (__hasOwnProp.call(b, prop))
+      __defNormalProp(a, prop, b[prop]);
+  if (__getOwnPropSymbols)
+    for (var prop of __getOwnPropSymbols(b)) {
+      if (__propIsEnum.call(b, prop))
+        __defNormalProp(a, prop, b[prop]);
+    }
+  return a;
+};
+var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
+const Utils = require("./../utils");
+const Helpers = require("./helpers");
+const _ = require("lodash");
+const Association = require("./base");
+const Op = require("../operators");
+class HasOne extends Association {
+  constructor(source, target, options) {
+    super(source, target, options);
+    this.associationType = "HasOne";
+    this.isSingleAssociation = true;
+    this.foreignKeyAttribute = {};
+    if (this.as) {
+      this.isAliased = true;
+      this.options.name = {
+        singular: this.as
+      };
+    } else {
+      this.as = this.target.options.name.singular;
+      this.options.name = this.target.options.name;
+    }
+    if (_.isObject(this.options.foreignKey)) {
+      this.foreignKeyAttribute = this.options.foreignKey;
+      this.foreignKey = this.foreignKeyAttribute.name || this.foreignKeyAttribute.fieldName;
+    } else if (this.options.foreignKey) {
+      this.foreignKey = this.options.foreignKey;
+    }
+    if (!this.foreignKey) {
+      this.foreignKey = Utils.camelize([
+        Utils.singularize(this.options.as || this.source.name),
+        this.source.primaryKeyAttribute
+      ].join("_"));
+    }
+    if (this.options.sourceKey && !this.source.rawAttributes[this.options.sourceKey]) {
+      throw new Error(`Unknown attribute "${this.options.sourceKey}" passed as sourceKey, define this attribute on model "${this.source.name}" first`);
+    }
+    this.sourceKey = this.sourceKeyAttribute = this.options.sourceKey || this.source.primaryKeyAttribute;
+    this.sourceKeyField = this.source.rawAttributes[this.sourceKey].field || this.sourceKey;
+    this.sourceKeyIsPrimary = this.sourceKey === this.source.primaryKeyAttribute;
+    this.associationAccessor = this.as;
+    this.options.useHooks = options.useHooks;
+    if (this.target.rawAttributes[this.foreignKey]) {
+      this.identifierField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
+    }
+    const singular = _.upperFirst(this.options.name.singular);
+    this.accessors = {
+      get: `get${singular}`,
+      set: `set${singular}`,
+      create: `create${singular}`
+    };
+  }
+  _injectAttributes() {
+    const newAttributes = {
+      [this.foreignKey]: __spreadValues({
+        type: this.options.keyType || this.source.rawAttributes[this.sourceKey].type,
+        allowNull: true
+      }, this.foreignKeyAttribute)
+    };
+    if (this.options.constraints !== false) {
+      const target = this.target.rawAttributes[this.foreignKey] || newAttributes[this.foreignKey];
+      this.options.onDelete = this.options.onDelete || (target.allowNull ? "SET NULL" : "CASCADE");
+      this.options.onUpdate = this.options.onUpdate || "CASCADE";
+    }
+    Helpers.addForeignKeyConstraints(newAttributes[this.foreignKey], this.source, this.target, this.options, this.sourceKeyField);
+    Utils.mergeDefaults(this.target.rawAttributes, newAttributes);
+    this.target.refreshAttributes();
+    this.identifierField = this.target.rawAttributes[this.foreignKey].field || this.foreignKey;
+    Helpers.checkNamingCollision(this);
+    return this;
+  }
+  mixin(obj) {
+    const methods = ["get", "set", "create"];
+    Helpers.mixinMethods(this, obj, methods);
+  }
+  async get(instances, options) {
+    const where = {};
+    let Target = this.target;
+    let instance;
+    options = Utils.cloneDeep(options);
+    if (Object.prototype.hasOwnProperty.call(options, "scope")) {
+      if (!options.scope) {
+        Target = Target.unscoped();
+      } else {
+        Target = Target.scope(options.scope);
+      }
+    }
+    if (Object.prototype.hasOwnProperty.call(options, "schema")) {
+      Target = Target.schema(options.schema, options.schemaDelimiter);
+    }
+    if (!Array.isArray(instances)) {
+      instance = instances;
+      instances = void 0;
+    }
+    if (instances) {
+      where[this.foreignKey] = {
+        [Op.in]: instances.map((_instance) => _instance.get(this.sourceKey))
+      };
+    } else {
+      where[this.foreignKey] = instance.get(this.sourceKey);
+    }
+    if (this.scope) {
+      Object.assign(where, this.scope);
+    }
+    options.where = options.where ? { [Op.and]: [where, options.where] } : where;
+    if (instances) {
+      const results = await Target.findAll(options);
+      const result = {};
+      for (const _instance of instances) {
+        result[_instance.get(this.sourceKey, { raw: true })] = null;
+      }
+      for (const _instance of results) {
+        result[_instance.get(this.foreignKey, { raw: true })] = _instance;
+      }
+      return result;
+    }
+    return Target.findOne(options);
+  }
+  async set(sourceInstance, associatedInstance, options) {
+    options = __spreadProps(__spreadValues({}, options), { scope: false });
+    const oldInstance = await sourceInstance[this.accessors.get](options);
+    const alreadyAssociated = oldInstance && associatedInstance && this.target.primaryKeyAttributes.every((attribute) => oldInstance.get(attribute, { raw: true }) === (associatedInstance.get ? associatedInstance.get(attribute, { raw: true }) : associatedInstance));
+    if (oldInstance && !alreadyAssociated) {
+      oldInstance[this.foreignKey] = null;
+      await oldInstance.save(__spreadProps(__spreadValues({}, options), {
+        fields: [this.foreignKey],
+        allowNull: [this.foreignKey],
+        association: true
+      }));
+    }
+    if (associatedInstance && !alreadyAssociated) {
+      if (!(associatedInstance instanceof this.target)) {
+        const tmpInstance = {};
+        tmpInstance[this.target.primaryKeyAttribute] = associatedInstance;
+        associatedInstance = this.target.build(tmpInstance, {
+          isNewRecord: false
+        });
+      }
+      Object.assign(associatedInstance, this.scope);
+      associatedInstance.set(this.foreignKey, sourceInstance.get(this.sourceKeyAttribute));
+      return associatedInstance.save(options);
+    }
+    return null;
+  }
+  async create(sourceInstance, values, options) {
+    values = values || {};
+    options = options || {};
+    if (this.scope) {
+      for (const attribute of Object.keys(this.scope)) {
+        values[attribute] = this.scope[attribute];
+        if (options.fields) {
+          options.fields.push(attribute);
+        }
+      }
+    }
+    values[this.foreignKey] = sourceInstance.get(this.sourceKeyAttribute);
+    if (options.fields) {
+      options.fields.push(this.foreignKey);
+    }
+    return await this.target.create(values, options);
+  }
+  verifyAssociationAlias(alias) {
+    if (typeof alias === "string") {
+      return this.as === alias;
+    }
+    if (alias && alias.singular) {
+      return this.as === alias.singular;
+    }
+    return !this.isAliased;
+  }
+}
+module.exports = HasOne;
+//# sourceMappingURL=has-one.js.map