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@synerty/vortexjs

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Custom observable data serialisation and routing based on Angular 2+

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import { Inject, Injectable } from "@angular/core"; import { TupleStorageServiceABC, } from "./TupleStorageServiceABC"; import { TupleOfflineStorageNameService } from "./TupleOfflineStorageNameService"; import { SqlFactoryService } from "../storage-api/sql-api-factory"; import * as i0 from "@angular/core"; import * as i1 from "../storage-api/sql-api-factory"; // ---------------------------------------------------------------------------- const createTable = `CREATE TABLE IF NOT EXISTS tuples ( tupleSelector TEXT, dateTime REAL, payload TEXT, PRIMARY KEY (tupleSelector) )`; const dropTable = `DROP TABLE IF NOT EXISTS tuples`; const deleteBySelectorSql = `DELETE FROM tuples WHERE tupleSelector = ?`; const deleteByDateSql = `DELETE FROM tuples WHERE dateTime < ?`; const insertSql = `INSERT OR REPLACE INTO tuples (tupleSelector, dateTime, payload) VALUES (?, ?, ?)`; const selectSql = `SELECT tupleSelector, dateTime, payload FROM tuples WHERE tupleSelector = ?`; export class TupleStorageWebSqlService extends TupleStorageServiceABC { webSqlFactory; name; webSql; constructor(webSqlFactory, name) { super(name); this.webSqlFactory = webSqlFactory; this.name = name; this.webSql = webSqlFactory.createApi(this.dbName, [createTable]); } open() { return this.webSql.open(); } async isOpen() { return await this.webSql.isOpen(); } async close() { await this.webSql.close(); } async truncateStorage() { await this.webSql.execute([{ sql: dropTable }]); await this.webSql.execute([{ sql: createTable }]); } async loadTuplesEncoded(tupleSelector) { const bindParams = [tupleSelector.toOrderedJsonStr()]; const rows = await this.webSql.query({ sql: selectSql, bindParams: bindParams, }); if (!rows?.length) { return null; } return rows[0].payload; } async saveTuplesEncoded(tupleSelector, vortexMsg, retries = 0) { // The payload is a convenient way to serialise and compress the data const tupleSelectorStr = tupleSelector.toOrderedJsonStr(); const bindParams = [tupleSelectorStr, Date.now(), vortexMsg]; await this.webSql.execute([{ sql: insertSql, bindParams: bindParams }]); } async batchSaveTuplesEncoded(data) { const txData = []; for (const data_ of data) { txData.push({ sql: insertSql, bindParams: [ data_.tupleSelector.toOrderedJsonStr(), Date.now(), data_.vortexMsg, ], }); } await this.webSql.execute(txData); return Promise.resolve(undefined); } async deleteTuples(tupleSelector, retries = 0) { const tupleSelectorStr = tupleSelector.toOrderedJsonStr(); await this.webSql.execute([ { sql: deleteBySelectorSql, bindParams: [tupleSelectorStr], }, ]); } async deleteOldTuples(deleteDataBeforeDate, retries = 0) { await this.webSql.execute([ { sql: deleteByDateSql, bindParams: [deleteDataBeforeDate.getTime()], }, ]); } static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TupleStorageWebSqlService, deps: [{ token: SqlFactoryService }, { token: TupleOfflineStorageNameService }], target: i0.ɵɵFactoryTarget.Injectable }); static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TupleStorageWebSqlService }); } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TupleStorageWebSqlService, decorators: [{ type: Injectable }], ctorParameters: function () { return [{ type: i1.SqlFactoryService, decorators: [{ type: Inject, args: [SqlFactoryService] }] }, { type: undefined, decorators: [{ type: Inject, args: [TupleOfflineStorageNameService] }] }]; } }); //# 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{ TupleSelector } from \"../TupleSelector\";\nimport { Inject, Injectable } from \"@angular/core\";\nimport {\n    TupleStorageBatchSaveArguments,\n    TupleStorageServiceABC,\n} from \"./TupleStorageServiceABC\";\nimport { TupleOfflineStorageNameService } from \"./TupleOfflineStorageNameService\";\nimport { SqlFactoryService } from \"../storage-api/sql-api-factory\";\nimport { SqlApiABC, SqlExecuteData } from \"../storage-api/sql-api-abc\";\n\n// ----------------------------------------------------------------------------\nconst createTable = `CREATE TABLE IF NOT EXISTS tuples\n     (\n        tupleSelector TEXT,\n        dateTime REAL,\n        payload TEXT,\n        PRIMARY KEY (tupleSelector)\n     )`;\n\nconst dropTable = `DROP TABLE IF NOT EXISTS tuples`;\n\nconst deleteBySelectorSql = `DELETE\n                 FROM tuples\n                 WHERE tupleSelector = ?`;\n\nconst deleteByDateSql = `DELETE\n                 FROM tuples\n                 WHERE dateTime < ?`;\n\nconst insertSql = `INSERT OR REPLACE INTO tuples\n                 (tupleSelector, dateTime, payload)\n                 VALUES (?, ?, ?)`;\n\nconst selectSql = `SELECT tupleSelector, dateTime, payload\n                 FROM tuples\n                 WHERE tupleSelector = ?`;\n\n@Injectable()\nexport class TupleStorageWebSqlService extends TupleStorageServiceABC {\n    private webSql: SqlApiABC;\n\n    constructor(\n        @Inject(SqlFactoryService) private webSqlFactory: SqlFactoryService,\n        @Inject(TupleOfflineStorageNameService) public name\n    ) {\n        super(name);\n        this.webSql = webSqlFactory.createApi(this.dbName, [createTable]);\n    }\n\n    open(): Promise<void> {\n        return this.webSql.open();\n    }\n\n    async isOpen(): Promise<boolean> {\n        return await this.webSql.isOpen();\n    }\n\n    async close(): Promise<void> {\n        await this.webSql.close();\n    }\n\n    async truncateStorage(): Promise<void> {\n        await this.webSql.execute([{ sql: dropTable }]);\n        await this.webSql.execute([{ sql: createTable }]);\n    }\n\n    async loadTuplesEncoded(\n        tupleSelector: TupleSelector\n    ): Promise<string | null> {\n        const bindParams = [tupleSelector.toOrderedJsonStr()];\n\n        const rows: any[] = await this.webSql.query({\n            sql: selectSql,\n            bindParams: bindParams,\n        });\n        if (!rows?.length) {\n            return null;\n        }\n        return rows[0].payload;\n    }\n\n    async saveTuplesEncoded(\n        tupleSelector: TupleSelector,\n        vortexMsg: string,\n        retries = 0\n    ): Promise<void> {\n        // The payload is a convenient way to serialise and compress the data\n        const tupleSelectorStr = tupleSelector.toOrderedJsonStr();\n        const bindParams = [tupleSelectorStr, Date.now(), vortexMsg];\n\n        await this.webSql.execute([{ sql: insertSql, bindParams: bindParams }]);\n    }\n\n    async batchSaveTuplesEncoded(\n        data: TupleStorageBatchSaveArguments[]\n    ): Promise<void> {\n        const txData: SqlExecuteData[] = [];\n        for (const data_ of data) {\n            txData.push({\n                sql: insertSql,\n                bindParams: [\n                    data_.tupleSelector.toOrderedJsonStr(),\n                    Date.now(),\n                    data_.vortexMsg,\n                ],\n            });\n        }\n\n        await this.webSql.execute(txData);\n        return Promise.resolve(undefined);\n    }\n\n    async deleteTuples(\n        tupleSelector: TupleSelector,\n        retries = 0\n    ): Promise<void> {\n        const tupleSelectorStr = tupleSelector.toOrderedJsonStr();\n\n        await this.webSql.execute([\n            {\n                sql: deleteBySelectorSql,\n                bindParams: [tupleSelectorStr],\n            },\n        ]);\n    }\n\n    async deleteOldTuples(\n        deleteDataBeforeDate: Date,\n        retries = 0\n    ): Promise<void> {\n        await this.webSql.execute([\n            {\n                sql: deleteByDateSql,\n                bindParams: [deleteDataBeforeDate.getTime()],\n            },\n        ]);\n    }\n}\n"]}