database-builder
Version:
Library to assist in creating and maintaining SQL commands.
231 lines (230 loc) • 10.9 kB
JavaScript
;
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return extendStatics(d, b);
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throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
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function __() { this.constructor = d; }
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Object.defineProperty(exports, "__esModule", { value: true });
exports.WebSqlDatabaseAdapter = void 0;
var core_1 = require("../core");
var base_database_adapter_1 = require("./base-database.adapter");
/**
* WARNING: Only for test app
* Because WebSQL will no longer be implemented:
* https://dev.w3.org/html5/webdatabase/
*
* Adapter for https://dev.w3.org/html5/webdatabase/
*
* Example usage:
*
* `new WebSqlDatabaseAdapter(this);`
*
* PS: 'this' is instance Browser, with method 'openDatabase'
* @export
* @class WebSqlDatabaseAdapter
* @implements {DatabaseCreatorContract}
*/
var WebSqlDatabaseAdapter = /** @class */ (function (_super) {
__extends(WebSqlDatabaseAdapter, _super);
function WebSqlDatabaseAdapter(_creator) {
var _this = _super.call(this) || this;
_this._creator = _creator;
return _this;
}
WebSqlDatabaseAdapter.prototype.createDatabaseNative = function (config) {
var databaseNative =
/**
* o método "openDatabase" precisa de 4 parametros:
* 0: o nome do banco de dados
* 1: a versão
* 2: a descrição
* 3: o tamanho estimado (em bytes)
*/
this._creator.openDatabase(config.name, "1.0", config.name, 200000);
// de qualquer forma, sempre teste que o objeto foi instanciado direito antes de usá-lo
if (!databaseNative) {
throw new core_1.DatabaseBuilderError("Não foi possivel iniciar o banco de dados no Browser!");
}
return Promise.resolve(databaseNative);
};
WebSqlDatabaseAdapter.prototype.convertToExecuteSql = function (databaseNative) {
var _this = this;
return function (sql, values) {
return new Promise(function (executeSqlResolve, executeSqlReject) {
if (sql.toUpperCase().indexOf("TRANSACTION") > -1
||
sql.toUpperCase().indexOf("COMMIT") > -1
||
sql.toUpperCase().indexOf("ROLLBACK") > -1
// ||
// sql.toUpperCase().indexOf("SAVEPOINT") > -1
// ||
// sql.toUpperCase().indexOf("RELEASE") > -1
) {
_this.ignoreExecuteSql(sql, values)
.then(function (result) { return executeSqlResolve(result); })
.catch(function (err) { return executeSqlReject(err); });
}
else {
databaseNative.transaction(function (transaction) {
return _this.executeSql(transaction, sql, values)
.then(function (result) { return executeSqlResolve(result); })
.catch(function (err) { return executeSqlReject(err); });
});
}
});
};
};
WebSqlDatabaseAdapter.prototype.convertToTransaction = function (databaseNative) {
var _this = this;
return function (fn) {
return databaseNative.transaction(function (transaction) {
fn({
executeSql: function (sql, values) {
return _this.executeSql(transaction, sql, values);
}
});
});
};
};
WebSqlDatabaseAdapter.prototype.convertToSqlBatch = function (databaseNative) {
var _this = this;
return function (sqlStatements) {
return _this.batch(databaseNative, sqlStatements, true);
};
};
WebSqlDatabaseAdapter.prototype.executeSql = function (transaction, sql, values) {
return new Promise(function (resolve, reject) {
transaction.executeSql(sql, Array.isArray(values) ? values : [], function (_t, r) { return resolve(r); }, function (_t, err) {
reject(err);
// It is need to return truely to rollback in the transaction
// https://stackoverflow.com/a/21993115/2290538
return true;
});
});
};
WebSqlDatabaseAdapter.prototype.ignoreExecuteSql = function (sql, values) {
return new Promise(function (resolve, _reject) {
// tslint:disable-next-line: no-console
console.warn("command sql ignored: '".concat(sql, "', values: ").concat(values));
resolve({});
});
};
WebSqlDatabaseAdapter.prototype.batch = function (database, sqlStatements, runInTransaction) {
if (!sqlStatements || sqlStatements.constructor !== Array) {
throw Error("sqlBatch expects an array");
}
var batchList = [];
for (var _i = 0, sqlStatements_1 = sqlStatements; _i < sqlStatements_1.length; _i++) {
var st = sqlStatements_1[_i];
if (st.constructor === Array) {
if (st.length === 0) {
throw Error("sqlBatch array element of zero (0) length");
}
batchList.push({
sql: st[0],
params: st.length === 0 ? [] : st[1]
});
}
else {
batchList.push({
sql: st,
params: []
});
}
}
return this.executeBatchs(database, batchList, runInTransaction);
};
WebSqlDatabaseAdapter.prototype.executeBatchs = function (databaseNative, batchs, runInTransaction) {
return __awaiter(this, void 0, void 0, function () {
var result, transaction, _i, batchs_1, batch, _a, _b;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
result = [];
return [4 /*yield*/, this.transaction(databaseNative)];
case 1:
transaction = _c.sent();
_i = 0, batchs_1 = batchs;
_c.label = 2;
case 2:
if (!(_i < batchs_1.length)) return [3 /*break*/, 5];
batch = batchs_1[_i];
_b = (_a = result).push;
return [4 /*yield*/, this.executeSql(transaction, batch.sql, batch.params)];
case 3:
_b.apply(_a, [_c.sent()]);
_c.label = 4;
case 4:
_i++;
return [3 /*break*/, 2];
case 5: return [2 /*return*/, result];
}
});
});
};
WebSqlDatabaseAdapter.prototype.transaction = function (databaseNative) {
var _this = this;
return new Promise(function (resolve, reject) {
try {
databaseNative.transaction(function (transaction) { return __awaiter(_this, void 0, void 0, function () {
return __generator(this, function (_a) {
resolve(transaction);
return [2 /*return*/];
});
}); });
}
catch (error) {
reject(error);
}
});
};
return WebSqlDatabaseAdapter;
}(base_database_adapter_1.BaseDatabaseAdapter));
exports.WebSqlDatabaseAdapter = WebSqlDatabaseAdapter;