本文整理匯總了TypeScript中rev-models/lib/operations/operationresult.ModelOperationResult類的典型用法代碼示例。如果您正苦於以下問題：TypeScript ModelOperationResult類的具體用法？TypeScript ModelOperationResult怎麽用？TypeScript ModelOperationResult使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了ModelOperationResult類的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
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;
}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;
}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 });
}
//.........這裏部分代碼省略.........