質問編集履歴
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@@ -98,7 +98,7 @@
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return await admin.firestore() の行にポインタを置いてデバッグすると、1周目だと、
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「path」という変数には、 (2) ['
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「path」という変数には、 (2) ['users', 'user1'] という配列、
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→これは、ルートノードからのパス構成を配列を持っている理解です。
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@@ -120,6 +120,188 @@
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### 参考コード(そのまま貼り付け)
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```ここに言語を入力
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const admin = require('../functions/node_modules/firebase-admin');
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const serviceAccount = require("./service-key.json");
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admin.initializeApp({
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credential: admin.credential.cert(serviceAccount),
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databaseURL: "https://<your-database-name>.firebaseio.com"
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});
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const data = require("./fakedb.json");
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/**
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* Data is a collection if
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* - it has a odd depth
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* - contains only objects or contains no objects.
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*/
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function isCollection(data, path, depth) {
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if (
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typeof data != 'object' ||
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data == null ||
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data.length === 0 ||
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isEmpty(data)
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) {
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return false;
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}
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for (const key in data) {
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if (typeof data[key] != 'object' || data[key] == null) {
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// If there is at least one non-object item in the data then it cannot be collection.
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return false;
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}
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}
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return true;
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}
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// Checks if object is empty.
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function isEmpty(obj) {
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for(const key in obj) {
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if(obj.hasOwnProperty(key)) {
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return false;
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}
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}
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return true;
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}
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async function upload(data, path) {
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return await admin.firestore()
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.doc(path.join('/'))
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.set(data)
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.then(() => console.log(`Document ${path.join('/')} uploaded.`))
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.catch(() => console.error(`Could not write document ${path.join('/')}.`));
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}
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/**
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*
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*/
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async function resolve(data, path = []) {
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if (path.length > 0 && path.length % 2 == 0) {
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// Document's length of path is always even, however, one of keys can actually be a collection.
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// Copy an object.
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const documentData = Object.assign({}, data);
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for (const key in data) {
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// Resolve each collection and remove it from document data.
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if (isCollection(data[key], [...path, key])) {
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// Remove a collection from the document data.
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delete documentData[key];
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// Resolve a colleciton.
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resolve(data[key], [...path, key]);
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}
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}
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// If document is empty then it means it only consisted of collections.
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if (!isEmpty(documentData)) {
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// Upload a document free of collections.
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await upload(documentData, path);
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}
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} else {
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// Collection's length of is always odd.
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for (const key in data) {
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// Resolve each collection.
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await resolve(data[key], [...path, key]);
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}
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}
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}
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resolve(data);
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```
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123
305
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以上、ヒントになりうることのご教示だけでも大変ありがたい現状です。
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124
306
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125
307
|
何卒よろしくお願いいたします。
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