dynamodb-dashboard
Version:
GUI Dashboard for local or remote DynamoDB
529 lines (526 loc) • 28.4 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _lodash = require("lodash");
var _aws = _interopRequireDefault(require("../config/aws"));
var _dynamodb = require("../utils/dynamodb");
var _dynamodb2 = require("../constants/dynamodb");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
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var ItemServiceProvider = exports["default"] = /*#__PURE__*/function () {
/**
* @param {AWS} _AWS_
*/
function ItemServiceProvider() {
var _AWS_ = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : _aws["default"];
_classCallCheck(this, ItemServiceProvider);
this.AWS = _AWS_;
}
// https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Scan.html
// https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Query.html
/**
*
* @param {"scan"|"query"} operation
* @param {string} tableName
* @param {object} conditions
*
* @returns {Promise<object>}
*/
return _createClass(ItemServiceProvider, [{
key: "fetch",
value: function () {
var _fetch = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee(operation, tableName, conditions) {
var options,
params,
items,
scannedCount,
intermediateExclusiveStartKey,
response,
slice,
item,
indices,
_args = arguments;
return _regeneratorRuntime().wrap(function _callee$(_context) {
while (1) switch (_context.prev = _context.next) {
case 0:
options = _args.length > 3 && _args[3] !== undefined ? _args[3] : {};
params = _objectSpread({
TableName: tableName
}, conditions);
items = [];
scannedCount = 0; // Slice
intermediateExclusiveStartKey = params.ExclusiveStartKey;
case 5:
_context.next = 7;
return this.AWS.document[operation](params, options);
case 7:
response = _context.sent;
// AWS.document.scan(...), AWS.document.query(...)
scannedCount += response.ScannedCount;
items.push.apply(items, _toConsumableArray(response.Items));
params.ExclusiveStartKey = response.LastEvaluatedKey;
// Slice
intermediateExclusiveStartKey || (intermediateExclusiveStartKey = response.LastEvaluatedKey);
if (!(items.length >= params.Limit)) {
_context.next = 14;
break;
}
return _context.abrupt("break", 15);
case 14:
if (params.ExclusiveStartKey) {
_context.next = 5;
break;
}
case 15:
/* Slice
* eg:
* Limit = 10
* intermediateExclusiveStartKey = g
* items = [...[a,b,c,d,e,f,g], ...[h,i,j,k,l]]
* slice = [a,b,c,d,e,f,g,h,i,j]
* ExclusiveStartKey = pick(j, Object.keys(g))
*/
slice = items.slice(0, params.Limit);
if (items.length > slice.length) {
item = slice.at(-1);
indices = Object.keys(intermediateExclusiveStartKey);
params.ExclusiveStartKey = (0, _lodash.pick)(item, indices);
}
return _context.abrupt("return", {
Items: slice.map(function (item) {
return (0, _dynamodb.serialize)(item);
}),
Count: slice.length,
ScannedCount: scannedCount,
LastEvaluatedKey: params.ExclusiveStartKey
});
case 18:
case "end":
return _context.stop();
}
}, _callee, this);
}));
function fetch(_x, _x2, _x3) {
return _fetch.apply(this, arguments);
}
return fetch;
}()
/**
* @param {string} tableName
* @param {object} keys
*
* @returns {Promise<object>}
*/
}, {
key: "get",
value: (function () {
var _get = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee2(tableName, keys) {
var params, response;
return _regeneratorRuntime().wrap(function _callee2$(_context2) {
while (1) switch (_context2.prev = _context2.next) {
case 0:
params = {
TableName: tableName,
Key: keys
};
_context2.next = 3;
return this.AWS.document.get(params);
case 3:
response = _context2.sent;
response.Item = (0, _dynamodb.serialize)(response.Item);
return _context2.abrupt("return", response);
case 6:
case "end":
return _context2.stop();
}
}, _callee2, this);
}));
function get(_x4, _x5) {
return _get.apply(this, arguments);
}
return get;
}()
/**
* A single call to BatchWriteItem can transmit up to 16MB of data over the network, consisting of up to 25 item put or delete operations.
*
* @param {string} tableName
* @param {Array<object>} items
*
* @returns {Promise<Array<object>>}
*/
)
}, {
key: "destroy",
value: (function () {
var _destroy = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee3(tableName, items) {
var chunks, requests, response;
return _regeneratorRuntime().wrap(function _callee3$(_context3) {
while (1) switch (_context3.prev = _context3.next) {
case 0:
chunks = (0, _lodash.chunk)(items, 25);
requests = chunks.map(function (chunkedItem) {
return {
RequestItems: _defineProperty({}, tableName, chunkedItem)
};
});
_context3.next = 4;
return Promise.all(requests.map(this.AWS.document.batchWrite.bind(this.AWS.document)));
case 4:
response = _context3.sent;
return _context3.abrupt("return", response);
case 6:
case "end":
return _context3.stop();
}
}, _callee3, this);
}));
function destroy(_x6, _x7) {
return _destroy.apply(this, arguments);
}
return destroy;
}()
/**
* @param {string} tableName
* @param {object} conditions
* @param {function} callback
*
* @returns {Promise<{ Count: number, ScannedCount: number }>}
*/
)
}, {
key: "all",
value: (function () {
var _all = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee5(tableName, conditions) {
var callback,
count,
scannedCount,
params,
operation,
response,
_args5 = arguments;
return _regeneratorRuntime().wrap(function _callee5$(_context5) {
while (1) switch (_context5.prev = _context5.next) {
case 0:
callback = _args5.length > 2 && _args5[2] !== undefined ? _args5[2] : /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee4() {
return _regeneratorRuntime().wrap(function _callee4$(_context4) {
while (1) switch (_context4.prev = _context4.next) {
case 0:
case "end":
return _context4.stop();
}
}, _callee4);
}));
count = 0;
scannedCount = 0;
params = _objectSpread(_objectSpread({}, conditions), {}, {
Limit: 10000,
TableName: tableName
});
operation = Boolean(params.KeyConditionExpression) ? _dynamodb2.OPERATIONS.QUERY : _dynamodb2.OPERATIONS.SCAN;
case 5:
_context5.next = 7;
return this.AWS.document[operation](params);
case 7:
response = _context5.sent;
_context5.next = 10;
return callback(tableName, response.Items);
case 10:
count += response.Items.length;
scannedCount += response.ScannedCount;
params.ExclusiveStartKey = response.LastEvaluatedKey;
case 13:
if (params.ExclusiveStartKey) {
_context5.next = 5;
break;
}
case 14:
return _context5.abrupt("return", {
Count: count,
ScannedCount: scannedCount
});
case 15:
case "end":
return _context5.stop();
}
}, _callee5, this);
}));
function all(_x8, _x9) {
return _all.apply(this, arguments);
}
return all;
}()
/**
* @param {string} tableName
* @param {object} schema
* @param {object} body
*
* @returns {Promise<object>}
*/
)
}, {
key: "create",
value: (function () {
var _create = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee6(tableName, schema, body) {
var options,
params,
response,
_args6 = arguments;
return _regeneratorRuntime().wrap(function _callee6$(_context6) {
while (1) switch (_context6.prev = _context6.next) {
case 0:
options = _args6.length > 3 && _args6[3] !== undefined ? _args6[3] : {};
params = {
Item: body,
TableName: tableName,
ConditionExpression: schema.map(function (key) {
return "attribute_not_exists(#".concat(key, ")");
}).join(" AND "),
ExpressionAttributeNames: (0, _lodash.fromPairs)(schema.map(function (key) {
return ["#".concat(key), key];
}))
};
_context6.next = 4;
return this.AWS.document.put(params, options);
case 4:
response = _context6.sent;
return _context6.abrupt("return", response);
case 6:
case "end":
return _context6.stop();
}
}, _callee6, this);
}));
function create(_x0, _x1, _x10) {
return _create.apply(this, arguments);
}
return create;
}()
/**
* @param {string} tableName
* @param {object} schema
* @param {{ ref: object, body: object }} param
*
* @returns {Promise<object>}
*/
)
}, {
key: "update",
value: (function () {
var _update = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee7(tableName, schema, _ref2) {
var ref, body, _yield$this$AWS$docum, Item, params, response;
return _regeneratorRuntime().wrap(function _callee7$(_context7) {
while (1) switch (_context7.prev = _context7.next) {
case 0:
ref = _ref2.ref, body = _ref2.body;
_context7.next = 3;
return this.AWS.document.get({
Key: ref,
TableName: tableName
});
case 3:
_yield$this$AWS$docum = _context7.sent;
Item = _yield$this$AWS$docum.Item;
params = {
Key: ref,
TableName: tableName,
Item: (0, _dynamodb.deserialize)(Item, body),
ConditionExpression: schema.map(function (key) {
return "attribute_exists(#".concat(key, ")");
}).join(" AND "),
ExpressionAttributeNames: (0, _lodash.fromPairs)(schema.map(function (key) {
return ["#".concat(key), key];
}))
};
_context7.next = 8;
return this.AWS.document.put(params);
case 8:
response = _context7.sent;
return _context7.abrupt("return", response);
case 10:
case "end":
return _context7.stop();
}
}, _callee7, this);
}));
function update(_x11, _x12, _x13) {
return _update.apply(this, arguments);
}
return update;
}()
/**
* @param {string} tableName
* @param {object} schema
* @param {{ ref: object, body: object }} param
*
* @returns {Promise<object>}
*/
)
}, {
key: "transactUpdate",
value: (function () {
var _transactUpdate = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee8(tableName, schema, _ref3) {
var ref, body, _yield$this$AWS$docum2, Item, response;
return _regeneratorRuntime().wrap(function _callee8$(_context8) {
while (1) switch (_context8.prev = _context8.next) {
case 0:
ref = _ref3.ref, body = _ref3.body;
_context8.next = 3;
return this.AWS.document.get({
TableName: tableName,
Key: ref
});
case 3:
_yield$this$AWS$docum2 = _context8.sent;
Item = _yield$this$AWS$docum2.Item;
response = this.AWS.document.transactWrite({
TransactItems: [{
Delete: {
Key: ref,
TableName: tableName
}
}, {
Put: {
Item: (0, _dynamodb.deserialize)(Item, body),
TableName: tableName,
Key: (0, _lodash.pick)(body, schema),
ConditionExpression: schema.map(function (key) {
return "attribute_not_exists(#".concat(key, ")");
}).join(" AND "),
ExpressionAttributeNames: (0, _lodash.fromPairs)(schema.map(function (key) {
return ["#".concat(key), key];
}))
}
}]
});
return _context8.abrupt("return", response);
case 7:
case "end":
return _context8.stop();
}
}, _callee8, this);
}));
function transactUpdate(_x14, _x15, _x16) {
return _transactUpdate.apply(this, arguments);
}
return transactUpdate;
}()
/**
* @param {string} tableName
* @param {object} conditions
*
* @returns {Promise<{ Count: number, ScannedCount: number }>}
*/
)
}, {
key: "count",
value: (function () {
var _count = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee9(tableName, conditions) {
var response;
return _regeneratorRuntime().wrap(function _callee9$(_context9) {
while (1) switch (_context9.prev = _context9.next) {
case 0:
_context9.next = 2;
return this.all(tableName, conditions);
case 2:
response = _context9.sent;
return _context9.abrupt("return", response);
case 4:
case "end":
return _context9.stop();
}
}, _callee9, this);
}));
function count(_x17, _x18) {
return _count.apply(this, arguments);
}
return count;
}()
/**
* @param {string} tableName
* @param {object} conditions
*
* @returns {Promise<{ Count: number, ScannedCount: number }>}
*/
)
}, {
key: "truncate",
value: (function () {
var _truncate = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee1(tableName, schema, conditions) {
var _this = this;
var destroyer, response;
return _regeneratorRuntime().wrap(function _callee1$(_context1) {
while (1) switch (_context1.prev = _context1.next) {
case 0:
destroyer = /*#__PURE__*/function () {
var _ref4 = _asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee0(tableName, items) {
var requests, response;
return _regeneratorRuntime().wrap(function _callee0$(_context0) {
while (1) switch (_context0.prev = _context0.next) {
case 0:
requests = items.map(function (item) {
return {
DeleteRequest: {
Key: (0, _lodash.pick)(item, schema)
}
};
});
_context0.next = 3;
return _this.destroy(tableName, requests);
case 3:
response = _context0.sent;
return _context0.abrupt("return", response);
case 5:
case "end":
return _context0.stop();
}
}, _callee0);
}));
return function destroyer(_x22, _x23) {
return _ref4.apply(this, arguments);
};
}();
_context1.next = 3;
return this.all(tableName, conditions, destroyer);
case 3:
response = _context1.sent;
return _context1.abrupt("return", response);
case 5:
case "end":
return _context1.stop();
}
}, _callee1, this);
}));
function truncate(_x19, _x20, _x21) {
return _truncate.apply(this, arguments);
}
return truncate;
}())
}]);
}();