devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/__internal/data/odata/m_context.js)
* Version: 24.2.6
* Build date: Mon Mar 17 2025
*
* Copyright (c) 2012 - 2025 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import "../../../common/data/odata/query_adapter";
import RequestDispatcher from "../../../common/data/odata/request_dispatcher";
import ODataStore from "../../../common/data/odata/store";
import Class from "../../../core/class";
import {
Deferred,
when
} from "../../../core/utils/deferred";
import {
extend
} from "../../../core/utils/extend";
import {
each
} from "../../../core/utils/iterator";
import {
isDefined,
isPlainObject
} from "../../../core/utils/type";
import {
errors,
handleError
} from "../m_errors";
import {
escapeServiceOperationParams,
formatFunctionInvocationUrl
} from "./m_utils";
const ODataContext = Class.inherit({
ctor(options) {
this._requestDispatcher = new RequestDispatcher(options);
this._errorHandler = options.errorHandler;
each(options.entities || [], ((entityAlias, entityOptions) => {
this[entityAlias] = new ODataStore(extend({}, options, {
url: `${this._requestDispatcher.url}/${encodeURIComponent(entityOptions.name||entityAlias)}`
}, entityOptions))
}))
},
get(operationName, params) {
return this.invoke(operationName, params, "GET")
},
invoke(operationName) {
let params = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : {};
let httpMethod = arguments.length > 2 && void 0 !== arguments[2] ? arguments[2] : "POST";
httpMethod = httpMethod.toLowerCase();
const d = new Deferred;
let url = `${this._requestDispatcher.url}/${encodeURIComponent(operationName)}`;
let payload;
if (4 === this.version()) {
if ("get" === httpMethod) {
url = formatFunctionInvocationUrl(url, escapeServiceOperationParams(params, this.version()));
params = null
} else if ("post" === httpMethod) {
payload = params;
params = null
}
}
when(this._requestDispatcher.sendRequest(url, httpMethod, escapeServiceOperationParams(params, this.version()), payload)).done((r => {
if (isPlainObject(r) && operationName in r) {
r = r[operationName]
}
d.resolve(r)
})).fail(this._errorHandler).fail(handleError).fail(d.reject);
return d.promise()
},
objectLink(entityAlias, key) {
const store = this[entityAlias];
if (!store) {
throw errors.Error("E4015", entityAlias)
}
if (!isDefined(key)) {
return null
}
return {
__metadata: {
uri: store._byKeyUrl(key)
}
}
},
version() {
return this._requestDispatcher.version
}
});
export default ODataContext;