ngx-airbrush
Version:
Angular client for jsonapi/Graphiti backends
228 lines • 18.9 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { AttributeMetadata } from './decorators/symboles';
import { ResourceMetadataWrapper } from './resource-metadata.wrapper';
import { JsonapiConverter } from './converters/jsonapi.converter';
export class ResourceSerializer {
/**
* @param {?} model
*/
constructor(model) {
this.model = model;
this.mdwrapper = new ResourceMetadataWrapper(model);
}
/**
* @return {?}
*/
toJsonapi() {
/** @type {?} */
const result = this.serialize();
/** @type {?} */
const includeKeys = this.mdwrapper.getIncludedKeys();
/** @type {?} */
const body = new JsonapiConverter().serialize(result, includeKeys);
return body;
}
/**
* @return {?}
*/
serialize() {
/** @type {?} */
const type = this.model.type;
const [attributes, belongstos, hasManys] = this.serializeAll();
/** @type {?} */
const relationshipNames = [];
relationshipNames.push(...Object.keys(belongstos).filter((/**
* @param {?} key
* @return {?}
*/
key => belongstos.hasOwnProperty(key))));
relationshipNames.push(...Object.keys(hasManys).filter((/**
* @param {?} key
* @return {?}
*/
key => hasManys.hasOwnProperty(key))));
/** @type {?} */
const result = Object.assign({ id: this.model.id, type }, attributes, belongstos, hasManys, { relationshipNames });
if (this.model.isRelation) {
result.__method = this.model.relationMethod;
}
return result;
}
/**
* @return {?}
*/
toHash() {
/** @type {?} */
const res = { id: this.model.id, type: this.model.type };
this.mdwrapper.attributesKeys({ defined: true }).forEach((/**
* @param {?} key
* @return {?}
*/
key => res[key] = this.model[key]));
this.mdwrapper.belongsToKeys({ defined: true }).forEach((/**
* @param {?} key
* @return {?}
*/
key => res[key] = this.model[key].toHash()));
this.mdwrapper.hasManyKeys({ defined: true }).forEach((/**
* @param {?} key
* @return {?}
*/
key => {
this.model[key].forEach((/**
* @param {?} elt
* @return {?}
*/
elt => {
res[key] = res[key] || []; // no need to init res[key] if array has no elements.
res[key].push(elt.toHash());
}));
}));
return res;
}
/**
* @private
* @return {?}
*/
serializeAll() {
/** @type {?} */
const attributes = this.serializeAttributes();
/** @type {?} */
const belongstos = this.serializeBelongsTo();
/** @type {?} */
const hasManys = this.serializeHasMany();
return [attributes, belongstos, hasManys];
}
/**
* @private
* @return {?}
*/
serializeAttributes() {
/** @type {?} */
let keys = this.mdwrapper.attributesKeys({ defined: true });
keys = keys.filter((/**
* @param {?} key
* @return {?}
*/
key => this.mdwrapper.isWritable(key)));
/** @type {?} */
const attributes = this.model[AttributeMetadata];
keys = this.model.id ? keys.filter((/**
* @param {?} key
* @return {?}
*/
key => attributes[key].hasDirtyAttributes)) : keys;
/** @type {?} */
const result = {};
keys.forEach((/**
* @param {?} key
* @return {?}
*/
key => {
/** @type {?} */
const beKey = this.mdwrapper.backendPropName(key);
result[beKey] = attributes[key].serializedValue;
}));
return result;
}
/**
* @private
* @return {?}
*/
serializeBelongsTo() {
/** @type {?} */
let keys = this.mdwrapper.belongsToKeys({ defined: true });
keys = keys.filter((/**
* @param {?} key
* @return {?}
*/
key => this.mdwrapper.isWritable(key)));
// Ignore untouched relationships
keys = keys.filter((/**
* @param {?} key
* @return {?}
*/
key => this.model[key].hasBeenTouched));
/** @type {?} */
const belongstos = {};
keys.forEach((/**
* @param {?} key
* @return {?}
*/
key => {
/** @type {?} */
const sidepostable = this.mdwrapper.isSidepostable(key);
/** @type {?} */
const beKey = this.mdwrapper.backendPropName(key);
belongstos[beKey] = sidepostable ? this.model[key].serialize() : this.model[key].sideload();
if (!belongstos[beKey]) {
delete belongstos[beKey];
}
}));
return belongstos;
}
/**
* @private
* @return {?}
*/
serializeHasMany() {
/** @type {?} */
let keys = this.mdwrapper.hasManyKeys({ defined: true });
keys = keys.filter((/**
* @param {?} key
* @return {?}
*/
key => this.mdwrapper.isWritable(key)));
/** @type {?} */
const hasManys = {};
keys.forEach((/**
* @param {?} key
* @return {?}
*/
key => {
/** @type {?} */
const sidepostable = this.mdwrapper.isSidepostable(key);
/** @type {?} */
const beKey = this.mdwrapper.backendPropName(key);
hasManys[beKey] = sidepostable ?
this.model[key].filter((/**
* @param {?} elt
* @return {?}
*/
elt => elt.hasBeenTouched)).map((/**
* @param {?} elt
* @return {?}
*/
elt => elt.serialize())) :
this.model[key].filter((/**
* @param {?} elt
* @return {?}
*/
elt => elt.hasBeenTouched)).map((/**
* @param {?} elt
* @return {?}
*/
elt => elt.sideload()));
if (hasManys[beKey].length === 0) {
delete hasManys[beKey];
}
}));
return hasManys;
}
}
if (false) {
/**
* @type {?}
* @private
*/
ResourceSerializer.prototype.mdwrapper;
/**
* @type {?}
* @private
*/
ResourceSerializer.prototype.model;
}
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{ JsonapiResourceRequest } from './interfaces/jsonapi.interface';\nimport { ResourceBase } from './resource-base.model';\nimport { AttributeMetadata } from './decorators/symboles';\nimport { ResourceMetadataWrapper } from './resource-metadata.wrapper';\nimport { JsonapiConverter } from './converters/jsonapi.converter';\n\n\nexport class ResourceSerializer {\n  private mdwrapper: ResourceMetadataWrapper;\n\n  constructor(private model: ResourceBase) {\n    this.mdwrapper = new ResourceMetadataWrapper(model);\n  }\n\n  public toJsonapi(): JsonapiResourceRequest {\n    const result = this.serialize();\n    const includeKeys = this.mdwrapper.getIncludedKeys();\n\n    const body = new JsonapiConverter().serialize(result, includeKeys);\n    return body;\n  }\n\n  public serialize() {\n    const type = this.model.type;\n\n    const [attributes, belongstos, hasManys] = this.serializeAll();\n    const relationshipNames = [];\n    relationshipNames.push(...Object.keys(belongstos).filter(key => belongstos.hasOwnProperty(key)));\n    relationshipNames.push(...Object.keys(hasManys).filter(key => hasManys.hasOwnProperty(key)));\n    const result: { [attrName: string]: any; } = {\n      id: this.model.id,\n      type,\n      ...attributes,\n      ...belongstos,\n      ...hasManys,\n      relationshipNames,\n    };\n    if (this.model.isRelation) {\n      result.__method = this.model.relationMethod;\n    }\n    return result;\n  }\n\n  public toHash(): { [attrName: string]: any; } {\n    const res = { id: this.model.id, type: this.model.type };\n    this.mdwrapper.attributesKeys({ defined: true }).forEach(key => res[key] = this.model[key]);\n    this.mdwrapper.belongsToKeys({ defined: true }).forEach(key => res[key] = this.model[key].toHash());\n    this.mdwrapper.hasManyKeys({ defined: true }).forEach(key => {\n      this.model[key].forEach(elt => {\n        res[key] = res[key] || []; // no need to init res[key] if array has no elements.\n        res[key].push(elt.toHash());\n      });\n    });\n    return res;\n  }\n\n  private serializeAll(): { [attrName: string]: any; }[] {\n    const attributes = this.serializeAttributes();\n    const belongstos = this.serializeBelongsTo();\n    const hasManys = this.serializeHasMany();\n    return [attributes, belongstos, hasManys];\n  }\n\n  private serializeAttributes(): { [attrName: string]: any; } {\n    let keys = this.mdwrapper.attributesKeys({ defined: true });\n    keys = keys.filter(key => this.mdwrapper.isWritable(key));\n\n    const attributes = this.model[AttributeMetadata];\n    keys = this.model.id ? keys.filter(key => attributes[key].hasDirtyAttributes) : keys;\n    const result = {};\n    keys.forEach(key => {\n      const beKey = this.mdwrapper.backendPropName(key);\n      result[beKey] = attributes[key].serializedValue;\n    });\n    return result;\n  }\n\n  private serializeBelongsTo(): { [attrName: string]: any; } {\n    let keys = this.mdwrapper.belongsToKeys({ defined: true });\n    keys = keys.filter(key => this.mdwrapper.isWritable(key));\n\n    // Ignore untouched relationships\n    keys = keys.filter(key => this.model[key].hasBeenTouched);\n    const belongstos = {};\n    keys.forEach(key => {\n      const sidepostable = this.mdwrapper.isSidepostable(key);\n      const beKey = this.mdwrapper.backendPropName(key);\n      belongstos[beKey] = sidepostable ? this.model[key].serialize() : this.model[key].sideload();\n      if (!belongstos[beKey]) { delete belongstos[beKey]; }\n    });\n    return belongstos;\n  }\n\n  private serializeHasMany(): { [attrName: string]: any; } {\n    let keys = this.mdwrapper.hasManyKeys({ defined: true });\n    keys = keys.filter(key => this.mdwrapper.isWritable(key));\n\n    const hasManys = {};\n    keys.forEach(key => {\n      const sidepostable = this.mdwrapper.isSidepostable(key);\n      const beKey = this.mdwrapper.backendPropName(key);\n      hasManys[beKey] = sidepostable ?\n                        this.model[key].filter(elt => elt.hasBeenTouched).map(elt => elt.serialize()) :\n                        this.model[key].filter(elt => elt.hasBeenTouched).map(elt => elt.sideload());\n      if (hasManys[beKey].length === 0) { delete hasManys[beKey]; }\n    });\n    return hasManys;\n  }\n}\n"]}