dc-management-sdk-js
Version:
Amplience Dynamic Content Management SDK
139 lines • 10.1 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
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function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
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}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ContentGraph = void 0;
var JsonTree_1 = require("../../utils/JsonTree");
var ContentLink_1 = require("../models/ContentLink");
/**
* Utility to assist parsing and generating Content Item graphs.
*/
var ContentGraph = /** @class */ (function () {
function ContentGraph() {
}
/**
* Extract content-link references from the body of a Content Item
* @param content
* @returns {IContentLink[]}
*/
ContentGraph.extractLinks = function (content) {
var result = new Array();
JsonTree_1.JsonTree.visit(content, function (value) {
if (ContentLink_1.ContentLink.isContentLink(value)) {
result.push(value);
}
});
return result;
};
/**
* Utility to help deeply copy a content graph. Each content item and its dependencies
* are visited using the contentItemProvider function to load the source item. The
* contentItemPicker is invoked for every Content Item giving your application an opportunity
* to either save the item to a new location (copy) or return the original (reference).
*
* The JSON body provided to the contentItemPicker function will have had any Content Links
* remapped to the newly saved Content Item.
*
* ```typescript
* const targetRepository = await client.contentRepositories.get('5b32377b4cedfd01c4503691');
* const contentIds = ['a87fd535-fb25-44ee-b687-0db72bbab721'];
*
* const idMap = await ContentGraph.deepCopy(
* contentIds,
* client.contentItems.get,
* function(item:ContentItem, body:any) {
* return targetRepository.related.contentItems.create(new ContentItem({
* label: item.label,
* body: body
* }));
* }
* );
* ```
*
* @param ids Ids of the root content items to copy
* @param contentItemProvider Function that loads content items by id
* @param contentItemPicker Function that creates or returns an existing content item that should be used in place of the original
* @returns {Promise<any>} Mapping of old content item ids to the newly created ids
*/
ContentGraph.deepCopy = function (ids, contentItemProvider, contentItemPicker) {
return __awaiter(this, void 0, void 0, function () {
var cache, mapping, processItem;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
cache = {};
mapping = {};
processItem = function (id) {
if (cache[id]) {
return cache[id];
}
else {
return (cache[id] = contentItemProvider(id)
.then(function (item) {
// visit children
var links = ContentGraph.extractLinks(item.body);
return Promise.all(links.map(function (link) { return processItem(link.id); })).then(function () { return item; });
})
.then(function (item) {
// Rewrite the body so that linked items point to the id of the copy
var body = JSON.parse(JSON.stringify(item.body));
var links = ContentGraph.extractLinks(body);
for (var _i = 0, links_1 = links; _i < links_1.length; _i++) {
var link = links_1[_i];
link.id = mapping[link.id];
}
// Let the application choose how to copy the item
var newItem = contentItemPicker(item, body);
newItem.then(function (newItemValue) {
mapping[item.id] = newItemValue.id;
});
return newItem;
}));
}
};
return [4 /*yield*/, Promise.all(ids.map(function (id) { return processItem(id); }))];
case 1:
_a.sent();
return [2 /*return*/, mapping];
}
});
});
};
return ContentGraph;
}());
exports.ContentGraph = ContentGraph;
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