• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号

TypeScript operationresult.ModelOperationResult类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了TypeScript中rev-models/lib/operations/operationresult.ModelOperationResult的典型用法代码示例。如果您正苦于以下问题:TypeScript ModelOperationResult类的具体用法?TypeScript ModelOperationResult怎么用?TypeScript ModelOperationResult使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了ModelOperationResult类的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1: Error

    /**
     * @private
     */
    async update<T extends IModel>(manager: ModelManager, model: T, params: IUpdateParams, result: ModelOperationResult<T, IUpdateMeta>): Promise<ModelOperationResult<T, IUpdateMeta>> {
        if (!params.where) {
            throw new Error(`update() requires the 'where' option to be set.`);
        }

        let meta = manager.getModelMeta(model);
        const mongoQuery = convertQuery(manager, meta.ctor, params.where);

        const fieldUpdates: IKeyMap<any> = {};
        params.fields!.forEach((fieldName) => {
            const field = meta.fieldsByName[fieldName];
            if (field.options.stored && typeof model[fieldName] != 'undefined') {
                let value = field.toBackendValue(manager, model[fieldName]);
                if (typeof value != 'undefined') {
                    fieldUpdates[fieldName] = value;
                }
            }
        });

        const colName = this._getCollectionName(meta);
        const updateResult = await this.db.collection(colName).updateMany(mongoQuery, { $set: fieldUpdates });

        result.setMeta({ totalCount: updateResult.matchedCount });
        return result;
    }
开发者ID:RevFramework,项目名称:rev-framework,代码行数:28,代码来源:backend.ts


示例2: new

 /**
  * @private
  */
 async read<T extends IModel>(manager: ModelManager, model: new() => T, options: IReadOptions, result: ModelOperationResult<T, IReadMeta>): Promise<ModelOperationResult<T, IReadMeta>> {
     const meta = manager.getModelMeta(model);
     const query = this._buildGraphQLQuery(manager, meta, options);
     const httpResult = await this._getGraphQLQueryResult(query);
     if (!httpResult.data.data
         || !httpResult.data.data[meta.name]
         || !(httpResult.data.data[meta.name].results instanceof Array)) {
         throw this._createHttpError('GraphQL response did not contain the expected model results', httpResult);
     }
     const returnedData = httpResult.data.data[meta.name].results;
     result.results = [];
     returnedData.forEach((record: any) => {
         result.results!.push(this._hydrateRecordWithRelated(manager, meta, record, options.related));
     });
     const returnedMeta = httpResult.data.data[meta.name].meta;
     result.setMeta(returnedMeta);
     return result;
 }
开发者ID:RevFramework,项目名称:rev-framework,代码行数:21,代码来源:backend.ts


示例3: new

    /**
     * @private
     */
    async read<T extends IModel>(manager: ModelManager, model: new() => T, params: IReadParams, result: ModelOperationResult<T, IReadMeta>): Promise<ModelOperationResult<T, IReadMeta>> {
        const meta = manager.getModelMeta(model);
        const colName = this._getCollectionName(meta);

        const mongoQuery = convertQuery(manager, model, params.where);

        const records = await this.db.collection(colName)
            .find(mongoQuery)
            .sort(this._convertOrderBy(params.orderBy))
            .skip(params.offset)
            .limit(params.limit)
            .toArray();

        const primaryKeyValues: any[] = [];
        const foreignKeyValues: IForeignKeyValues = {};
        const rawValues: IRawValues = [];
        const relatedFieldNames = getOwnRelatedFieldNames(params.related);

        result.results = [];
        records.forEach((record) => {

            const modelInstance = manager.hydrate(meta.ctor, record);
            result.results!.push(modelInstance);

            if (meta.primaryKey) {
                primaryKeyValues.push(modelInstance[meta.primaryKey]);
            }

            // TODO: Refactor this into a method shared with InMemoryBackend (and future backends)
            if (relatedFieldNames) {
                for (let fieldName of relatedFieldNames) {
                    let field = meta.fieldsByName[fieldName];
                    let keyValue = record[fieldName];
                    if (field instanceof fields.RelatedModelField) {
                        if (!(fieldName in foreignKeyValues)) {
                            foreignKeyValues[fieldName] = [];
                        }
                        if (typeof keyValue != 'undefined' && keyValue !== null) {
                            modelInstance[fieldName] = keyValue;
                            if (foreignKeyValues[fieldName].indexOf(keyValue) == -1) {
                                foreignKeyValues[fieldName].push(keyValue);
                            }
                        }
                        else {
                            modelInstance[fieldName] = null;
                        }
                    }
                }
            }

            if (params.rawValues) {
                let rawValueObj: IRawValueRow = {};
                for (let fieldName of params.rawValues) {
                    rawValueObj[fieldName] = record[fieldName];
                }
                rawValues.push(rawValueObj);
            }
        });

        // TODO: Refactor this into a method shared with InMemoryBackend (and future backends)
        if (relatedFieldNames) {
            // Get related record data
            const related = await Promise.all([
                getRelatedModelInstances(manager, meta, foreignKeyValues, params),
                getRelatedModelListInstances(manager, meta, primaryKeyValues, params)
            ]);
            const [relatedModelInstances, relatedModelListInstances] = related;

            for (let instance of result.results) {
                for (let fieldName of relatedFieldNames) {
                    let field = meta.fieldsByName[fieldName];
                    if (field instanceof fields.RelatedModelField) {
                        if (instance[fieldName] !== null
                            && relatedModelInstances[fieldName]
                            && relatedModelInstances[fieldName][instance[fieldName]]) {
                                instance[fieldName] = relatedModelInstances[fieldName][instance[fieldName]];
                        }
                        else {
                            instance[fieldName] = null;
                        }
                    }
                    else if (field instanceof fields.RelatedModelListField) {
                        if (relatedModelListInstances[fieldName]
                            && relatedModelListInstances[fieldName][instance[meta.primaryKey!]]) {
                                instance[fieldName] = relatedModelListInstances[fieldName][instance[meta.primaryKey!]];
                        }
                        else {
                            instance[fieldName] = [];
                        }
                    }
                }
            }
        }

        if (params.rawValues) {
            result.setMeta({ rawValues });
        }
//.........这里部分代码省略.........
开发者ID:RevFramework,项目名称:rev-framework,代码行数:101,代码来源:backend.ts



注:本文中的rev-models/lib/operations/operationresult.ModelOperationResult类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
TypeScript rimraf.default函数代码示例发布时间:2022-05-25
下一篇:
TypeScript rev-models.ModelManager类代码示例发布时间:2022-05-25
热门推荐
热门话题
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap