angular-odata
Version:
Client side OData typescript library for Angular
180 lines • 25.9 kB
JavaScript
import { HttpHeaders, HttpResponse } from '@angular/common/http';
import { ODataEntityAnnotations, ODataEntitiesAnnotations, ODataPropertyAnnotations, } from '../annotations';
import { Types } from '../utils/types';
import { APPLICATION_JSON, ODATA_VERSION_HEADERS, CONTENT_TYPE, CACHE_CONTROL, LOCATION_HEADER, ETAG_HEADERS, ODATA_ENTITYID_HEADERS, PREFERENCE_APPLIED, } from '../constants';
import { Http } from '../utils/http';
import { ODataResponseOptions } from './options';
/**
* OData Response
*/
export class ODataResponse extends HttpResponse {
api;
resource;
constructor(init) {
super(init);
this.api = init.api;
this.resource = init.resource;
}
static fromHttpResponse(req, res) {
return new ODataResponse({
api: req.api,
resource: req.resource,
body: res.body,
headers: res.headers,
status: res.status,
statusText: res.statusText,
url: res.url || undefined,
});
}
static fromJson(req, json) {
return new ODataResponse({
api: req.api,
resource: req.resource,
body: json.body,
headers: new HttpHeaders(json.headers),
status: json.status,
statusText: json.statusText,
url: json.url || undefined,
});
}
toJson() {
return {
body: this.body,
headers: this.headers
.keys()
.map((name) => ({ [name]: this.headers.getAll(name) || [] }))
.reduce((acc, header) => Object.assign(acc, header), {}),
status: this.status,
statusText: this.statusText,
url: this.url,
};
}
_options;
get options() {
if (this._options === undefined) {
this._options = new ODataResponseOptions(this.api.options.parserOptions);
const contentType = this.headers.get(CONTENT_TYPE);
if (contentType && contentType.includes(APPLICATION_JSON)) {
const features = contentType
.split(',')
.find((p) => p.startsWith(APPLICATION_JSON));
this._options.setFeatures(features);
}
const headerKey = Http.resolveHeaderKey(this.headers, ODATA_VERSION_HEADERS);
if (headerKey) {
const version = (this.headers.get(headerKey) || '').replace(/\;/g, '');
this._options.setVersion(version);
}
const preferenceApplied = this.headers.get(PREFERENCE_APPLIED);
if (preferenceApplied) {
this._options.setPreferenceApplied(preferenceApplied);
}
const location = this.headers.get(LOCATION_HEADER);
if (location) {
this._options.setLocation(location);
}
const cacheControl = this.headers.get(CACHE_CONTROL);
if (cacheControl) {
this._options.setCache(cacheControl);
}
}
return this._options;
}
_payload;
get payload() {
if (this._payload === undefined) {
this._payload =
this.body && this.options.version === '2.0'
? this.body['d']
: this.body;
}
return this._payload;
}
_context;
get context() {
if (this._context === undefined) {
this._context = this.options.helper.context(Types.isPlainObject(this.payload) ? this.payload : {});
}
return this._context;
}
_annotations;
get annotations() {
if (this._annotations === undefined) {
const options = this.options;
this._annotations = options.helper.annotations(this.payload || {});
let key = Http.resolveHeaderKey(this.headers, ETAG_HEADERS);
if (key) {
const etag = this.headers.get(key);
if (etag)
this._annotations.set(options.helper.ODATA_ETAG, etag);
}
key = Http.resolveHeaderKey(this.headers, ODATA_ENTITYID_HEADERS);
if (key) {
const entityId = this.headers.get(key);
if (entityId)
this._annotations.set(options.helper.ODATA_ID, entityId);
}
}
return this._annotations;
}
/**
* Handle the response body as an entity
* @returns
*/
entity() {
const options = this.options;
const payload = this.payload;
const annots = new ODataEntityAnnotations(options.helper, this.annotations, this.context);
const data = payload ? annots.data(payload) : null;
let entity = (data !== null && Types.isPlainObject(data)
? options.helper.attributes(data, this.api.options.stripMetadata)
: data);
if (entity !== null)
entity = this.resource.deserialize(entity, options);
return { entity, annots };
}
/**
* Handle the response body as entities
* @returns
*/
entities() {
const options = this.options;
const payload = this.payload;
const annots = new ODataEntitiesAnnotations(options.helper, this.annotations, this.context);
let entities = payload ? annots.data(payload) : null;
if (entities !== null)
entities = this.resource.deserialize(entities, options);
return { entities, annots };
}
/**
* Handle the response body as a property
* @returns
*/
property() {
const options = this.options;
const payload = this.payload;
const annots = new ODataPropertyAnnotations(options.helper, this.annotations, this.context);
const data = payload ? annots.data(payload) : null;
let property = (data !== null && Types.isPlainObject(data)
? options.helper.attributes(data, this.api.options.stripMetadata)
: data);
if (property !== null)
property = this.resource.deserialize(property, options);
return { property, annots };
}
/**
* Handle the response body as a value
* @returns
*/
value() {
const options = this.options;
const payload = this.payload;
let value = (payload !== null && Types.isPlainObject(payload)
? options.helper.attributes(payload, this.api.options.stripMetadata)
: payload);
if (value !== null)
value = this.resource.deserialize(value, options);
return value;
}
}
//# 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{ HttpHeaders, HttpResponse } from '@angular/common/http';\nimport {\n  ODataEntityAnnotations,\n  ODataEntitiesAnnotations,\n  ODataPropertyAnnotations,\n} from '../annotations';\nimport { Types } from '../utils/types';\nimport { ODataResource } from './resource';\nimport {\n  APPLICATION_JSON,\n  ODATA_VERSION_HEADERS,\n  CONTENT_TYPE,\n  CACHE_CONTROL,\n  LOCATION_HEADER,\n  ETAG_HEADERS,\n  ODATA_ENTITYID_HEADERS,\n  PREFERENCE_APPLIED,\n} from '../constants';\nimport { ODataApi } from '../api';\nimport { ODataRequest } from './request';\nimport { Http } from '../utils/http';\nimport { ODataContext } from '../helper';\nimport { ODataResponseOptions } from './options';\n\nexport type ODataEntity<T> = {\n  entity: T | null;\n  annots: ODataEntityAnnotations<T>;\n};\n\nexport type ODataEntities<T> = {\n  entities: T[] | null;\n  annots: ODataEntitiesAnnotations<T>;\n};\n\nexport type ODataProperty<T> = {\n  property: T | null;\n  annots: ODataPropertyAnnotations<T>;\n};\n\n/**\n * OData Response\n */\nexport class ODataResponse<T> extends HttpResponse<T> {\n  readonly api: ODataApi;\n  readonly resource: ODataResource<T>;\n\n  constructor(init: {\n    api: ODataApi;\n    resource: ODataResource<T>;\n    body: T | null;\n    headers: HttpHeaders;\n    status: number;\n    statusText: string;\n    url?: string;\n  }) {\n    super(init);\n    this.api = init.api;\n    this.resource = init.resource;\n  }\n\n  static fromHttpResponse<T>(req: ODataRequest<T>, res: HttpResponse<T>) {\n    return new ODataResponse<T>({\n      api: req.api,\n      resource: req.resource,\n      body: res.body,\n      headers: res.headers,\n      status: res.status,\n      statusText: res.statusText,\n      url: res.url || undefined,\n    });\n  }\n\n  static fromJson<T>(\n    req: ODataRequest<T>,\n    json: {\n      body: T | null;\n      headers: { [name: string]: string | string[] };\n      status: number;\n      statusText: string;\n      url: string | null;\n    },\n  ) {\n    return new ODataResponse<T>({\n      api: req.api,\n      resource: req.resource,\n      body: json.body,\n      headers: new HttpHeaders(json.headers),\n      status: json.status,\n      statusText: json.statusText,\n      url: json.url || undefined,\n    });\n  }\n\n  toJson() {\n    return {\n      body: this.body,\n      headers: this.headers\n        .keys()\n        .map((name) => ({ [name]: this.headers.getAll(name) || [] }))\n        .reduce((acc, header) => Object.assign(acc, header), {}),\n      status: this.status,\n      statusText: this.statusText,\n      url: this.url,\n    };\n  }\n\n  private _options?: ODataResponseOptions;\n  get options(): ODataResponseOptions {\n    if (this._options === undefined) {\n      this._options = new ODataResponseOptions(this.api.options.parserOptions);\n      const contentType = this.headers.get(CONTENT_TYPE);\n      if (contentType && contentType.includes(APPLICATION_JSON)) {\n        const features = contentType\n          .split(',')\n          .find((p) => p.startsWith(APPLICATION_JSON)) as string;\n        this._options.setFeatures(features);\n      }\n      const headerKey = Http.resolveHeaderKey(\n        this.headers,\n        ODATA_VERSION_HEADERS,\n      );\n      if (headerKey) {\n        const version = (this.headers.get(headerKey) || '').replace(\n          /\\;/g,\n          '',\n        ) as '2.0' | '3.0' | '4.0';\n        this._options.setVersion(version);\n      }\n\n      const preferenceApplied = this.headers.get(PREFERENCE_APPLIED);\n      if (preferenceApplied) {\n        this._options.setPreferenceApplied(preferenceApplied);\n      }\n\n      const location = this.headers.get(LOCATION_HEADER);\n      if (location) {\n        this._options.setLocation(location);\n      }\n\n      const cacheControl = this.headers.get(CACHE_CONTROL);\n      if (cacheControl) {\n        this._options.setCache(cacheControl);\n      }\n    }\n    return this._options;\n  }\n\n  private _payload?: any;\n  get payload() {\n    if (this._payload === undefined) {\n      this._payload =\n        this.body && this.options.version === '2.0'\n          ? (<any>this.body)['d']\n          : this.body;\n    }\n    return this._payload;\n  }\n\n  private _context?: any;\n  get context(): ODataContext {\n    if (this._context === undefined) {\n      this._context = this.options.helper.context(\n        Types.isPlainObject(this.payload) ? this.payload : {},\n      );\n    }\n    return this._context;\n  }\n\n  private _annotations?: Map<string, any>;\n  get annotations(): Map<string, any> {\n    if (this._annotations === undefined) {\n      const options = this.options;\n      this._annotations = options.helper.annotations(this.payload || {});\n      let key = Http.resolveHeaderKey(this.headers, ETAG_HEADERS);\n      if (key) {\n        const etag = this.headers.get(key);\n        if (etag) this._annotations.set(options.helper.ODATA_ETAG, etag);\n      }\n      key = Http.resolveHeaderKey(this.headers, ODATA_ENTITYID_HEADERS);\n      if (key) {\n        const entityId = this.headers.get(key);\n        if (entityId) this._annotations.set(options.helper.ODATA_ID, entityId);\n      }\n    }\n    return this._annotations;\n  }\n\n  /**\n   * Handle the response body as an entity\n   * @returns\n   */\n  entity(): ODataEntity<T> {\n    const options = this.options;\n    const payload = this.payload;\n    const annots = new ODataEntityAnnotations<T>(\n      options.helper,\n      this.annotations,\n      this.context,\n    );\n    const data = payload ? annots.data(payload) : null;\n    let entity = (\n      data !== null && Types.isPlainObject(data)\n        ? options.helper.attributes(data, this.api.options.stripMetadata)\n        : data\n    ) as T | null;\n\n    if (entity !== null)\n      entity = this.resource.deserialize(entity, options) as T;\n    return { entity, annots };\n  }\n\n  /**\n   * Handle the response body as entities\n   * @returns\n   */\n  entities(): ODataEntities<T> {\n    const options = this.options;\n    const payload = this.payload;\n    const annots = new ODataEntitiesAnnotations<T>(\n      options.helper,\n      this.annotations,\n      this.context,\n    );\n    let entities = payload ? annots.data(payload) : null;\n    if (entities !== null)\n      entities = this.resource.deserialize(entities, options) as T[];\n    return { entities, annots };\n  }\n\n  /**\n   * Handle the response body as a property\n   * @returns\n   */\n  property(): ODataProperty<T> {\n    const options = this.options;\n    const payload = this.payload;\n    const annots = new ODataPropertyAnnotations<T>(\n      options.helper,\n      this.annotations,\n      this.context,\n    );\n    const data = payload ? (annots.data(payload) as T) : null;\n    let property = (\n      data !== null && Types.isPlainObject(data)\n        ? options.helper.attributes(\n            data as { [name: string]: any },\n            this.api.options.stripMetadata,\n          )\n        : data\n    ) as T | null;\n\n    if (property !== null)\n      property = this.resource.deserialize(property, options) as T;\n    return { property, annots };\n  }\n\n  /**\n   * Handle the response body as a value\n   * @returns\n   */\n  value(): T | null {\n    const options = this.options;\n    const payload = this.payload;\n    let value = (\n      payload !== null && Types.isPlainObject(payload)\n        ? options.helper.attributes(payload, this.api.options.stripMetadata)\n        : payload\n    ) as T | null;\n\n    if (value !== null) value = this.resource.deserialize(value, options) as T;\n    return value;\n  }\n}\n"]}