ngx-indexed-database
Version:
<div align="center"> <img src="https://w3c.github.io/IndexedDB/logo-db.svg" width="120"/> </div> <h1 align="center">ngx-indexed-database</h1>
85 lines • 14.4 kB
JavaScript
import { __awaiter } from "tslib";
import { Injectable } from '@angular/core';
import { InvalidArgumentsException } from "../exceptions/InvalidArgumentsException";
import { HelperUtils } from "../utils/helper.utils";
import { PrimaryKeysCountException } from "../exceptions/PrimaryKeysCountException";
import { IndexedDBKeysDataType } from "../enums/IndexedDBKeysDataType";
import { NgxIndexedDatabaseStoreSchemaService } from "./ngx-indexed-database-store-schema.service";
import { SCHEMA_STORE_NAME } from "../constants/schema-store.constant";
import { InvalidStoreNameException } from "../exceptions/InvalidStoreNameException";
import { areIdentical } from "../utils/is-equal.utils";
import * as i0 from "@angular/core";
import * as i1 from "./ngx-indexed-database-store-schema.service";
export class NgxIndexedDatabaseService {
constructor(_ngxIndexedDatabaseStoreSchemaService) {
this._ngxIndexedDatabaseStoreSchemaService = _ngxIndexedDatabaseStoreSchemaService;
}
static getInstance() {
if (!this._instance) {
this._instance = new NgxIndexedDatabaseService(new NgxIndexedDatabaseStoreSchemaService());
}
return this._instance;
}
createStore(dbName, storeName, storeSchema) {
var _a;
return __awaiter(this, void 0, void 0, function* () {
if (!dbName || !storeName) {
throw new InvalidArgumentsException();
}
if (storeName === SCHEMA_STORE_NAME) {
throw new InvalidStoreNameException();
}
const primaryKeys = HelperUtils.getIndexedDBStoreSchemaPrimaryKeys(storeSchema);
if (primaryKeys.length !== 1) {
throw new PrimaryKeysCountException();
}
yield this._ngxIndexedDatabaseStoreSchemaService.defineSchemasStore(dbName);
const alreadyExistingSchema = yield this._ngxIndexedDatabaseStoreSchemaService.getStoreSchema(dbName, storeName);
const ifSchemasIdentical = areIdentical(alreadyExistingSchema, storeSchema);
if (ifSchemasIdentical) {
return { success: true };
}
if (alreadyExistingSchema && !ifSchemasIdentical) {
yield this.deleteStore(dbName, storeName);
}
const version = (yield HelperUtils.getDatabaseVersion(dbName)) + 1;
const indexedDBOpenRequest = indexedDB.open(dbName, version);
yield HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onupgradeneeded');
const database = indexedDBOpenRequest.result;
const store = database.createObjectStore(storeName, { keyPath: primaryKeys[0] });
for (const attribute in storeSchema) {
if ([IndexedDBKeysDataType.STRING, IndexedDBKeysDataType.INTEGER].includes(storeSchema[attribute].datatype)) {
store.createIndex(attribute, attribute, { unique: ((_a = storeSchema[attribute]) === null || _a === void 0 ? void 0 : _a.unique) || false });
}
}
yield HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onsuccess', 'onerror');
database === null || database === void 0 ? void 0 : database.close();
yield this._ngxIndexedDatabaseStoreSchemaService.modifySchemaStore(dbName, storeName, storeSchema);
return { success: true };
});
}
deleteStore(dbName, storeName) {
return __awaiter(this, void 0, void 0, function* () {
if (!dbName || !storeName) {
throw new InvalidArgumentsException();
}
const version = (yield HelperUtils.getDatabaseVersion(dbName)) + 1;
const indexedDBOpenRequest = indexedDB.open(dbName, version);
yield HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onupgradeneeded');
const database = indexedDBOpenRequest.result;
database.deleteObjectStore(storeName);
yield this._ngxIndexedDatabaseStoreSchemaService.removeStoreSchema(dbName, storeName);
database === null || database === void 0 ? void 0 : database.close();
return { success: true };
});
}
}
NgxIndexedDatabaseService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.2.16", ngImport: i0, type: NgxIndexedDatabaseService, deps: [{ token: i1.NgxIndexedDatabaseStoreSchemaService }], target: i0.ɵɵFactoryTarget.Injectable });
NgxIndexedDatabaseService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "12.2.16", ngImport: i0, type: NgxIndexedDatabaseService, providedIn: 'root' });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.2.16", ngImport: i0, type: NgxIndexedDatabaseService, decorators: [{
type: Injectable,
args: [{
providedIn: 'root'
}]
}], ctorParameters: function () { return [{ type: i1.NgxIndexedDatabaseStoreSchemaService }]; } });
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{ Injectable } from '@angular/core';\nimport {IndexedDBStoreSchema} from \"../models/IndexedDBStoreSchema\";\nimport {InvalidArgumentsException} from \"../exceptions/InvalidArgumentsException\";\nimport {HelperUtils} from \"../utils/helper.utils\";\nimport {PrimaryKeysCountException} from \"../exceptions/PrimaryKeysCountException\";\nimport {IndexedDBKeysDataType} from \"../enums/IndexedDBKeysDataType\";\nimport {NgxIndexedDatabaseStoreSchemaService} from \"./ngx-indexed-database-store-schema.service\";\nimport {SCHEMA_STORE_NAME} from \"../constants/schema-store.constant\";\nimport {InvalidStoreNameException} from \"../exceptions/InvalidStoreNameException\";\nimport {areIdentical} from \"../utils/is-equal.utils\";\n\n@Injectable({\n  providedIn: 'root'\n})\nexport class NgxIndexedDatabaseService {\n  private static _instance: NgxIndexedDatabaseService;\n\n  constructor(private _ngxIndexedDatabaseStoreSchemaService: NgxIndexedDatabaseStoreSchemaService) { }\n\n  public static getInstance(): NgxIndexedDatabaseService {\n    if (!this._instance) {\n      this._instance = new NgxIndexedDatabaseService(new NgxIndexedDatabaseStoreSchemaService());\n    }\n    return this._instance;\n  }\n\n  public async createStore(dbName: string, storeName: string, storeSchema: IndexedDBStoreSchema): Promise<{ success: boolean }> {\n    if (!dbName || !storeName) {\n      throw new InvalidArgumentsException();\n    }\n    if (storeName === SCHEMA_STORE_NAME) {\n      throw new InvalidStoreNameException();\n    }\n    const primaryKeys = HelperUtils.getIndexedDBStoreSchemaPrimaryKeys(storeSchema);\n    if (primaryKeys.length !== 1) {\n      throw new PrimaryKeysCountException();\n    }\n\n    await this._ngxIndexedDatabaseStoreSchemaService.defineSchemasStore(dbName);\n    const alreadyExistingSchema = await this._ngxIndexedDatabaseStoreSchemaService.getStoreSchema(dbName, storeName);\n    const ifSchemasIdentical = areIdentical(alreadyExistingSchema, storeSchema);\n\n    if (ifSchemasIdentical) {\n      return { success: true };\n    }\n\n    if (alreadyExistingSchema && !ifSchemasIdentical) {\n      await this.deleteStore(dbName, storeName);\n    }\n\n    const version = (await HelperUtils.getDatabaseVersion(dbName)) + 1;\n    const indexedDBOpenRequest: IDBOpenDBRequest = indexedDB.open(dbName, version);\n\n    await HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onupgradeneeded');\n    const database: IDBDatabase = indexedDBOpenRequest.result;\n    const store: IDBObjectStore = database.createObjectStore(storeName, { keyPath: primaryKeys[0] });\n    for (const attribute in storeSchema) {\n      if ([IndexedDBKeysDataType.STRING, IndexedDBKeysDataType.INTEGER].includes(storeSchema[attribute].datatype)) {\n        store.createIndex(attribute, attribute, { unique: storeSchema[attribute]?.unique || false });\n      }\n    }\n\n    await HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onsuccess', 'onerror');\n    database?.close();\n\n    await this._ngxIndexedDatabaseStoreSchemaService.modifySchemaStore(dbName, storeName, storeSchema);\n\n    return { success: true };\n  }\n\n  public async deleteStore(dbName: string, storeName: string): Promise<{ success: boolean }>  {\n    if (!dbName || !storeName) {\n      throw new InvalidArgumentsException();\n    }\n\n    const version = (await HelperUtils.getDatabaseVersion(dbName)) + 1;\n    const indexedDBOpenRequest: IDBOpenDBRequest = indexedDB.open(dbName, version);\n\n    await HelperUtils.promisifyIndexedDBRequest(indexedDBOpenRequest, 'onupgradeneeded');\n    const database: IDBDatabase = indexedDBOpenRequest.result;\n    database.deleteObjectStore(storeName);\n    await this._ngxIndexedDatabaseStoreSchemaService.removeStoreSchema(dbName, storeName);\n    database?.close();\n\n    return { success: true };\n  }\n}\n"]}