@terabits/grapi
Version:
Grapi Schema Generator For GraphQL Server
159 lines (158 loc) • 8.61 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
var dataModel_1 = require("../dataModel");
var lodash_1 = require("../lodash");
var baseType_1 = __importDefault(require("./baseType"));
var orderInput_1 = __importDefault(require("./orderInput"));
var whereInput_1 = __importDefault(require("./whereInput"));
var parsePaginationFromArgs = function (args) {
if (!args) {
return null;
}
return (0, lodash_1.pick)(args, ['first', 'last', 'skip', 'take', 'before', 'after']);
};
var QueryPlugin = (function () {
function QueryPlugin() {
}
QueryPlugin.prototype.setPlugins = function (plugins) {
this.whereInputPlugin = plugins.find(function (plugin) { return plugin instanceof whereInput_1["default"]; });
this.orderInputPlugin = plugins.find(function (plugin) { return plugin instanceof orderInput_1["default"]; });
this.baseTypePlugin = plugins.find(function (plugin) { return plugin instanceof baseType_1["default"]; });
};
QueryPlugin.prototype.visitModel = function (model, context) {
var root = context.root;
var modelType = this.baseTypePlugin.getTypename(model);
if (model.isObjectType()) {
var queryName = QueryPlugin.createObjectQueryName(model);
root.addQuery("".concat(queryName, ": ").concat(modelType));
return;
}
var directives = model.getDirectives(dataModel_1.DirectiveModelAction.Read);
var findOneQueryName = QueryPlugin.createFindOneQueryName(model);
var whereUniqueInputName = this.whereInputPlugin.getWhereUniqueInputName(model);
root.addQuery("".concat(findOneQueryName, "( where: ").concat(whereUniqueInputName, "! ): ").concat(modelType, "!").concat(directives));
var findManyQueryName = QueryPlugin.createFindQueryName(model);
var whereInputName = this.whereInputPlugin.getWhereInputName(model);
var orderInputName = this.orderInputPlugin.getOrderInputName(model);
var argsOnFindMany = [
"where: ".concat(whereInputName),
"first: Int",
"last: Int",
"skip: Int",
"take: Int",
"before: String",
"after: String",
"orderBy: ".concat(orderInputName)
];
root.addQuery("".concat(findManyQueryName, " ( ").concat(argsOnFindMany.join(","), " ): [ ").concat(modelType, " ! ] !").concat(directives));
};
QueryPlugin.prototype.resolveInQuery = function (_a) {
var _b, _c;
var _this = this;
var model = _a.model, dataSource = _a.dataSource;
if (model.isObjectType()) {
var queryName = QueryPlugin.createObjectQueryName(model);
return _b = {},
_b[queryName] = function () { return __awaiter(_this, void 0, void 0, function () {
var response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, dataSource.getMap()];
case 1:
response = _a.sent();
return [2, (0, lodash_1.isEmpty)(response) ? {} : response];
}
});
}); },
_b;
}
var findOneQueryName = QueryPlugin.createFindOneQueryName(model);
var findManyQueryName = QueryPlugin.createFindQueryName(model);
return _c = {},
_c[findOneQueryName] = function (root, args, context) { return __awaiter(_this, void 0, void 0, function () {
var where, data;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
where = this.whereInputPlugin.parseUniqueWhere(args.where);
if ((0, lodash_1.isUndefined)(where) === false && (0, lodash_1.isEmpty)(where)) {
throw new Error("You provided an invalid argument for the where selector on ".concat((0, lodash_1.capitalize)(model.getName()), ". Please provide exactly one unique field and value."));
}
return [4, dataSource.findOne({ where: where }, context)];
case 1:
data = _a.sent();
if (data) {
return [2, data];
}
throw new Error("No Node for the model ".concat((0, lodash_1.capitalize)(model.getName()), " with unique field."));
}
});
}); },
_c[findManyQueryName] = function (root, args, context) { return __awaiter(_this, void 0, void 0, function () {
var where, pagination, orderBy, response;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
where = this.whereInputPlugin.parseWhere(args.where, model);
pagination = parsePaginationFromArgs(args);
orderBy = this.orderInputPlugin.parseOrder(args.orderBy);
return [4, dataSource.find({ where: where, pagination: pagination, orderBy: orderBy }, context)];
case 1:
response = _a.sent();
return [2, response.data];
}
});
}); },
_c;
};
QueryPlugin.createObjectQueryName = function (model) {
return model.getNamings().singular;
};
QueryPlugin.createFindQueryName = function (model) {
return model.getNamings().plural;
};
QueryPlugin.createFindOneQueryName = function (model) {
return model.getNamings().singular;
};
return QueryPlugin;
}());
exports["default"] = QueryPlugin;