rewrote to use C++ instead of Java
This commit is contained in:
110
src/main.cpp
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110
src/main.cpp
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#include "crow.h"
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#include <pqxx/pqxx>
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#include <string>
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#include <fmt/core.h>
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using namespace std;
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int main()
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{
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crow::SimpleApp app;
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//define your endpoint at the root directory
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CROW_ROUTE(app, "/")([](){
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return "Hello world";
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});
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// CROW_ROUTE(app, "/test.json")
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// ([](){
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// pqxx::connection db("postgresql://cavecommadmin:cavecomm@localhost:5432/cavecomm");
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// pqxx::work work(db);
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// pqxx::result result = work.exec("SELECT * from public.requests;");
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// work.commit();
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// return crow::json::wvalue x({{"message", rows[0][0].as<int>();}});
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// });
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CROW_ROUTE(app, "/test")
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([](){
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pqxx::connection db("postgresql://cavecommadmin:cavecomm@localhost:5432/cavecomm");
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pqxx::work work(db);
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pqxx::result result = work.exec("SELECT * from requests;");
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work.commit();
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return result[0][0].as<string>();
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});
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CROW_ROUTE(app, "/testRequest")
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([](){
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string customerEmailAddress = "test@testmail.com";
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string freelancer = "michael";
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string templateName = "coding";
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string currencyPreference = "XMR";
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string priceUpFront = "0.36";
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string priceOnDeliver = "0.36";
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string requestDescription = "This is a test";
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string accepted = "0";
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string upFrontInvoiceID = "12424242424";
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string onDeliverInvoiceID = "329532532532";
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string upFrontPaid = "0";
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string onDeliverPaid = "0";
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string sql = fmt::format("INSERT INTO requests(id, customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid) \
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VALUES(DEFAULT, '{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}', '{7}', '{8}', '{9}', '{10}', '{11}' );", customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid );
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pqxx::connection db("postgresql://cavecommadmin:cavecomm@localhost:5432/cavecomm");
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pqxx::work work(db);
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work.exec( sql );
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work.commit();
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return crow::response(200);
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});
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CROW_ROUTE(app, "/newRequest")
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.methods("POST"_method)
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([](const crow::request& req){
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auto jsonBody = crow::json::load(req.body);
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if (!jsonBody)
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return crow::response(crow::status::BAD_REQUEST);
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/*
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* Example CURL to insert into DB:
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* curl -d '{"customerEmailAddress":"test@testmail.com","freelancer":"michael","templateName":"coding","currencyPreference":"XMR","priceUpFront":0.36,"priceOnDeliver":0.36,"requestDescription":"This is a test","accepted":false,"upFrontInvoiceID":"12424242424","onDeliverInvoiceID":"329532532532","upFrontPaid":false,"onDeliverPaid":false}' http://0.0.0.0:18080/newRequest
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*/
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string customerEmailAddress = jsonBody["customerEmailAddress"].s();
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string freelancer = jsonBody["freelancer"].s();
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string templateName = jsonBody["templateName"].s();
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string currencyPreference = jsonBody["currencyPreference"].s();
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double priceUpFront = jsonBody["priceUpFront"].d();
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double priceOnDeliver = jsonBody["priceOnDeliver"].d();
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string requestDescription = jsonBody["requestDescription"].s();
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bool accepted = jsonBody["accepted"].b();
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string upFrontInvoiceID = jsonBody["upFrontInvoiceID"].s();
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string onDeliverInvoiceID = jsonBody["onDeliverInvoiceID"].s();
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bool upFrontPaid = jsonBody["upFrontPaid"].b();
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bool onDeliverPaid = jsonBody["onDeliverPaid"].b();
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string sql = fmt::format("INSERT INTO requests(id, customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid) \
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VALUES(DEFAULT, '{0}', '{1}', '{2}', '{3}', '{4}', '{5}', '{6}', '{7}', '{8}', '{9}', '{10}', '{11}');", customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted ,upFrontInvoiceID , onDeliverInvoiceID, upFrontPaid, onDeliverPaid );
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/*
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In C++20 this would be valid:
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sql = std::format("INSERT INTO requests \
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VALUES(DEFAULT, \"{}\", \"{}\", \"{}\", \"{}\", \"{}\", \"{}\" ,\"{}\" ,\"{}\" ,\"{}\" ,\"{}\", \"{}\", \"{}\");",
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customerEmailAddress, freelancer, templateName, currencyPreference, priceUpFront, priceOnDeliver, requestDescription, accepted, upFrontInvoiceID, onDeliverInvoiceID, upFrontPaid, onDeliverPaid);
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*/
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pqxx::connection db("postgresql://cavecommadmin:cavecomm@localhost:5432/cavecomm");
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pqxx::work work(db);
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work.exec( sql );
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work.commit();
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return crow::response(200);
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});
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//set the port, set the app to run on multiple threads, and run the app
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app.port(18080).multithreaded().run();
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}
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@ -1,83 +0,0 @@
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package cavecomm;
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import io.vertx.core.Vertx;
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import io.vertx.ext.web.RoutingContext;
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import io.vertx.pgclient.PgConnectOptions;
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import io.vertx.pgclient.PgPool;
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import io.vertx.sqlclient.PoolOptions;
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import io.vertx.sqlclient.Row;
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import io.vertx.sqlclient.RowSet;
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import io.vertx.sqlclient.SqlClient;
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public class Database {
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public static final int OUTPUT_DATATYPE_JSON = 0;
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public static final int OUTPUT_DATATYPE_HTML = 1;
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public static final int OUTPUT_DATATYPE_NONE = 2;
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private final PgConnectOptions connectOptions;
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private final PoolOptions poolOptions;
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private final Vertx vertx;
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private SqlClient client;
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public Database(Vertx vertx, int port, String host, String database, String user, String password) {
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this.vertx = vertx;
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//Sets up the database Connection
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connectOptions = new PgConnectOptions()
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.setPort(port)
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.setHost(host)
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.setDatabase(database)
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.setUser(user)
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.setPassword(password);
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poolOptions = new PoolOptions();
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}
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//Executes an SQL query
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//requires further consideration of the Handling.
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public void executeQuery(String query)
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{
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createClient();
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client
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.query(query)
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.execute(ar -> {
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if (ar.succeeded()) {
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RowSet<Row> result = ar.result();
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//test output
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for (Row r : result) {
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System.out.println("row: " + r.getString("testcolumn1"));
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}
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} else {
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System.out.println("Failure: " + ar.cause().getMessage());
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}
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closeClient();
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});
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}
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//Executes an SQL query while delivering a context to handle the data
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//context output is a JSON
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public void executeQuery(String query, RoutingContext rc, int outputDataType)
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{
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createClient();
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client
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.query(query)
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.execute(ar -> {
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switch (outputDataType) {
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case OUTPUT_DATATYPE_JSON -> HandlerCollection.outputJSON(ar, rc);
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case OUTPUT_DATATYPE_HTML -> HandlerCollection.outputHTML(ar, rc);
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}
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closeClient();
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});
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}
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private void createClient()
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{
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client = PgPool.client(vertx, connectOptions, poolOptions);
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}
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private void closeClient()
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{
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System.out.println("Client Closing");
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client.close();
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}
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}
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package cavecomm;
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import io.vertx.core.AsyncResult;
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import io.vertx.core.json.JsonArray;
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import io.vertx.ext.web.RoutingContext;
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import io.vertx.sqlclient.Row;
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import io.vertx.sqlclient.RowSet;
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//Class collecting Handlers to be used instead of Complex Lmabdas
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public final class HandlerCollection {
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private HandlerCollection() {
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}
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//returns a response containing the query result as a JSON
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public static void outputJSON(AsyncResult<RowSet<Row>> ar, RoutingContext rc) {
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if (ar.succeeded()) {
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RowSet<Row> result = ar.result();
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//dump RowSet into jsonArray
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JsonArray jsonArray = new JsonArray();
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for (Row r : result) {
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jsonArray.add(r.toJson());
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}
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//sets the header to json
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rc.response().putHeader("Content-Type", "application/json; charset=UTF8")
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.end(jsonArray.encode());
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} else {
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System.out.println("Failure: " + ar.cause().getMessage());
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}
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}
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//Potentially unnecessary to exist as its own handler
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public static void outputHTML(AsyncResult<RowSet<Row>> ar, RoutingContext rc) {
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if (ar.succeeded()) {
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RowSet<Row> result = ar.result();
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//dump RowSet into jsonArray
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JsonArray jsonArray = new JsonArray();
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for (Row r : result) {
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jsonArray.add(r.toJson());
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}
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//sets the header to html
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rc.response().putHeader("Content-Type", "text/html; charset=UTF8")
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.end(jsonArray.encodePrettily());
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} else {
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System.out.println("Failure: " + ar.cause().getMessage());
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}
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}
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}
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@ -1,77 +0,0 @@
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package cavecomm;
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import io.vertx.core.AbstractVerticle;
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import io.vertx.core.MultiMap;
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import io.vertx.core.json.JsonObject;
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import io.vertx.ext.web.Router;
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public class MainVerticle extends AbstractVerticle {
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@Override
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public void start() throws Exception {
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//Template Engine / HTML Assembler
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//
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//TODO: actually make this work, for some reason io.vertx.ext.web.handler.TemplateEngine doesn't exist even though it does: https://vertx.io/docs/apidocs/io/vertx/ext/web/handler/package-summary.html
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io.vertx.ext.web.handler.TemplateEngine engine = io.vertx.reactivex.ext.web.templ.freemarker.FreeMarkerTemplateEngine.create();
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io.vertx.ext.web.handler.TemplateHandler templateHandler = io.vertx.ext.web.handler.TemplateHandler.create(engine);
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// Create a Routeir
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Router router = Router.router(vertx);
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// Mount the handler for all incoming requests at every path and HTTP method
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Database db = new Database(
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vertx,
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5432,
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"localhost",
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"testdb",
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"testuser",
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"123");
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router.get("/jsonTest").handler(rc -> {
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db.executeQuery("SELECT * FROM testtable", rc, Database.OUTPUT_DATATYPE_JSON);
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}
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);
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router.get("/htmlTest").handler(rc -> {
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db.executeQuery("SELECT * FROM testtable", rc, Database.OUTPUT_DATATYPE_HTML);
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}
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);
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router.get("/dynamic/*").handler(templateHandler);
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router.route().handler(context -> {
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// Get the address of the request
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String address = context.request().connection().remoteAddress().toString();
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// Get the query parameter "name"
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MultiMap queryParams = context.queryParams();
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String name = queryParams.contains("name") ? queryParams.get("name") : "unknown";
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// Write a json response
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context.json(
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new JsonObject()
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.put("cavecomm", name)
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.put("address", address)
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.put("message", "Hello World")
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);
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});
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// Create the HTTP server
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vertx.createHttpServer()
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// Handle every request using the router
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.requestHandler(router)
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// Start listening
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.listen(8888)
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// Print the port
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.onSuccess(server ->
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System.out.println(
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"HTTP server started on port " + server.actualPort()
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)
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);
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}
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}
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@ -1,30 +0,0 @@
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package cavecomm;
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import io.vertx.core.Vertx;
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import io.vertx.ext.unit.Async;
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import io.vertx.ext.unit.TestContext;
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import io.vertx.ext.unit.junit.RunTestOnContext;
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import io.vertx.ext.unit.junit.VertxUnitRunner;
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import org.junit.Before;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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@RunWith(VertxUnitRunner.class)
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public class TestMainVerticle {
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@Rule
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public RunTestOnContext rule = new RunTestOnContext();
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@Before
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public void deploy_verticle(TestContext testContext) {
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Vertx vertx = rule.vertx();
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vertx.deployVerticle(new MainVerticle(), testContext.asyncAssertSuccess());
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}
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@Test
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public void verticle_deployed(TestContext testContext) throws Throwable {
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Async async = testContext.async();
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async.complete();
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}
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}
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Reference in New Issue
Block a user