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Finish the REST example.

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master
Chunting Gu 7 years ago
parent 97d9403c1b
commit f921256a33
3 changed files with 136 additions and 64 deletions
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16
compile_commands.json
Unescape Escape View File

@ -96,13 +96,13 @@
},
{
"directory": "/home/adam/github/webcc/build/src/webcc",
"command": "/usr/bin/c++ -DBOOST_ASIO_NO_DEPRECATED -DWEBCC_DEBUG_OUTPUT -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -std=c++11 -o CMakeFiles/webcc.dir/soap_client.cc.o -c /home/adam/github/webcc/src/webcc/soap_client.cc",
"file": "/home/adam/github/webcc/src/webcc/soap_client.cc"
"command": "/usr/bin/c++ -DBOOST_ASIO_NO_DEPRECATED -DWEBCC_DEBUG_OUTPUT -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -std=c++11 -o CMakeFiles/webcc.dir/soap_server.cc.o -c /home/adam/github/webcc/src/webcc/soap_server.cc",
"file": "/home/adam/github/webcc/src/webcc/soap_server.cc"
},
{
"directory": "/home/adam/github/webcc/build/src/webcc",
"command": "/usr/bin/c++ -DBOOST_ASIO_NO_DEPRECATED -DWEBCC_DEBUG_OUTPUT -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -std=c++11 -o CMakeFiles/webcc.dir/soap_server.cc.o -c /home/adam/github/webcc/src/webcc/soap_server.cc",
"file": "/home/adam/github/webcc/src/webcc/soap_server.cc"
"command": "/usr/bin/c++ -DBOOST_ASIO_NO_DEPRECATED -DWEBCC_DEBUG_OUTPUT -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -std=c++11 -o CMakeFiles/webcc.dir/soap_client.cc.o -c /home/adam/github/webcc/src/webcc/soap_client.cc",
"file": "/home/adam/github/webcc/src/webcc/soap_client.cc"
},
{
"directory": "/home/adam/github/webcc/build/third_party/jsoncpp",
@ -111,13 +111,13 @@
},
{
"directory": "/home/adam/github/webcc/build/example/rest_book_server",
"command": "/usr/bin/c++ -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -I/home/adam/github/webcc/third_party/jsoncpp -std=c++11 -o CMakeFiles/rest_book_server.dir/book_services.cc.o -c /home/adam/github/webcc/example/rest_book_server/book_services.cc",
"file": "/home/adam/github/webcc/example/rest_book_server/book_services.cc"
"command": "/usr/bin/c++ -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -I/home/adam/github/webcc/third_party/jsoncpp -std=c++11 -o CMakeFiles/rest_book_server.dir/main.cc.o -c /home/adam/github/webcc/example/rest_book_server/main.cc",
"file": "/home/adam/github/webcc/example/rest_book_server/main.cc"
},
{
"directory": "/home/adam/github/webcc/build/example/rest_book_server",
"command": "/usr/bin/c++ -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -I/home/adam/github/webcc/third_party/jsoncpp -std=c++11 -o CMakeFiles/rest_book_server.dir/main.cc.o -c /home/adam/github/webcc/example/rest_book_server/main.cc",
"file": "/home/adam/github/webcc/example/rest_book_server/main.cc"
"command": "/usr/bin/c++ -DWEBCC_ENABLE_SOAP -I/home/adam/include -I/home/adam/github/webcc/src -I/home/adam/github/webcc/third_party -I/home/adam/github/webcc/third_party/jsoncpp -std=c++11 -o CMakeFiles/rest_book_server.dir/book_services.cc.o -c /home/adam/github/webcc/example/rest_book_server/book_services.cc",
"file": "/home/adam/github/webcc/example/rest_book_server/book_services.cc"
},
{
"directory": "/home/adam/github/webcc/build/example/rest_book_client",

111
example/rest_book_client/main.cc
Unescape Escape View File

@ -99,30 +99,44 @@ public:
return true;
}
};
////////////////////////////////////////////////////////////////////////////////
bool UpdateBook(const std::string& id,
const std::string& title,
double price) {
Json::Value root(Json::objectValue);
// root["id"] = id; // NOTE: ID is already in the URL.
root["title"] = title;
root["price"] = price;
std::string g_host;
std::string g_port;
Json::StreamWriterBuilder builder;
std::string book_json = Json::writeString(builder, root);
void ListBooks() {
std::cout << "List books" << std::endl;
webcc::HttpResponse http_response;
if (!Request(webcc::kHttpPost, "/books/" + id, book_json, &http_response)) {
return false;
}
BookListClient client(g_host, g_port);
std::cout << http_response.status() << std::endl;
client.ListBooks();
}
return true;
}
void CreateBook(const std::string& id,
const std::string& title,
double price) {
std::cout << "Create book: " << id << " " << title << " " << price << std::endl;
bool DeleteBook(const std::string& id) {
webcc::HttpResponse http_response;
if (!Request(webcc::kHttpDelete, "/books/" + id, "", &http_response)) {
return false;
}
BookListClient client(g_host, g_port);
std::cout << http_response.content() << std::endl;
client.CreateBook(id, title, price);
}
return true;
}
};
////////////////////////////////////////////////////////////////////////////////
std::string g_host;
std::string g_port;
void Help(const char* argv0) {
std::cout << "Usage: " << argv0 << " <host> <port>" << std::endl;
@ -132,16 +146,28 @@ void Help(const char* argv0) {
std::string GetUserInput() {
char input[256];
std::size_t length = 0;
do {
// std::size_t length = 0;
// do {
std::cout << ">> ";
std::cin.getline(input, 256);
length = strlen(input);
} while (length == 0);
// length = strlen(input);
// } while (length == 0);
return input;
}
bool ParseJsonInput(const std::string& input, Json::Value* root) {
Json::CharReaderBuilder builder;
std::stringstream stream(input);
std::string errs;
if (Json::parseFromStream(builder, stream, root, &errs)) {
return true;
} else {
std::cerr << errs << std::endl;
return false;
}
}
int main(int argc, char* argv[]) {
if (argc != 3) {
Help(argv[0]);
@ -152,14 +178,16 @@ int main(int argc, char* argv[]) {
g_port = argv[2];
// Type commands to execute actions.
// Commands: list, create, update, remove
// Commands: list, create, detail, update, delete and exit.
// Examples:
// >> list
// >> create 1 { "title": "1984", "price": 12.3 }
// >> detail 1
// >> update 1 { "price": 32 }
// >> update 1 { "title": "1Q84", "price": 32.1 }
// >> delete 1
// >> exit
// A very naive implementation of interaction mode.
while (true) {
std::string input = GetUserInput();
boost::trim(input);
@ -177,7 +205,8 @@ int main(int argc, char* argv[]) {
}
if (command == "list") {
ListBooks();
BookListClient client(g_host, g_port);
client.ListBooks();
continue;
}
@ -189,21 +218,39 @@ int main(int argc, char* argv[]) {
if (command == "create") {
std::string json = input.substr(i);
std::cout << "json:" << json << std::endl;
Json::Value root;
Json::CharReaderBuilder builder;
std::string errs;
if (Json::parseFromStream(builder, std::stringstream(json), &root, &errs)) {
CreateBook(id, root["title"].asString(), root["price"].asDouble());
} else {
std::cerr << errs << std::endl;
if (ParseJsonInput(json, &root)) {
BookListClient client(g_host, g_port);
client.CreateBook(id, root["title"].asString(), root["price"].asDouble());
}
continue;
}
if (command == "update") {
std::string json = input.substr(i);
Json::Value root;
if (ParseJsonInput(json, &root)) {
BookDetailClient client(g_host, g_port);
client.UpdateBook(id, root["title"].asString(), root["price"].asDouble());
}
continue;
}
if (command == "detail") {
BookDetailClient client(g_host, g_port);
client.GetBook(id);
continue;
}
if (command == "delete") {
BookDetailClient client(g_host, g_port);
client.DeleteBook(id);
continue;
}
}
//BookDetailClient book_detail_client(host, port);
//book_detail_client.GetBook("1");
return 0;
}

73
example/rest_book_server/book_services.cc
Unescape Escape View File

@ -57,6 +57,15 @@ public:
return false;
}
bool UpdateBook(const Book& book) {
auto it = FindBook(book.id);
if (it != books_.end()) {
it->title = book.title;
it->price = book.price;
}
return false;
}
bool DeleteBook(const std::string& id) {
auto it = FindBook(id);
@ -75,6 +84,12 @@ private:
[&id](const Book& book) { return book.id == id; });
}
std::list<Book>::iterator FindBook(const std::string& id) {
return std::find_if(books_.begin(),
books_.end(),
[&id](Book& book) { return book.id == id; });
}
private:
std::list<Book> books_;
};
@ -83,6 +98,23 @@ static BookStore g_book_store;
////////////////////////////////////////////////////////////////////////////////
static bool BookFromJson(const std::string& json, Book* book) {
Json::Value root;
Json::CharReaderBuilder builder;
std::stringstream stream(json);
std::string errs;
if (!Json::parseFromStream(builder, stream, &root, &errs)) {
std::cerr << errs << std::endl;
return false;
}
book->id = root["id"].asString();
book->title = root["title"].asString();
book->price = root["price"].asDouble();
return true;
}
bool BookListService::Handle(const std::string& http_method,
const std::vector<std::string>& url_sub_matches,
const std::string& request_content,
@ -103,22 +135,11 @@ bool BookListService::Handle(const std::string& http_method,
if (http_method == webcc::kHttpPost) {
// Add a new book.
Json::Value root;
Json::CharReaderBuilder builder;
std::stringstream stream(request_content);
std::string errs;
if (!Json::parseFromStream(builder, stream, &root, &errs)) {
std::cerr << errs << std::endl;
return false;
}
Book book;
book.id = root["id"].asString();
book.title = root["title"].asString();
book.price = root["price"].asDouble();
return g_book_store.AddBook(book);
if (BookFromJson(request_content, &book)) {
return g_book_store.AddBook(book);
}
return false;
}
return false;
@ -138,20 +159,24 @@ bool BookDetailService::Handle(const std::string& http_method,
if (http_method == webcc::kHttpGet) {
const Book& book = g_book_store.GetBook(book_id);
if (book.IsNull()) {
return false;
if (!book.IsNull()) {
Json::StreamWriterBuilder builder;
*response_content = Json::writeString(builder, book.ToJson());
return true;
}
Json::StreamWriterBuilder builder;
*response_content = Json::writeString(builder, book.ToJson());
return true;
return false;
} else if (http_method == webcc::kHttpPost) {
// Update a book.
Book book;
if (BookFromJson(request_content, &book)) {
book.id = book_id;
return g_book_store.UpdateBook(book);
}
return false;
} else if (http_method == webcc::kHttpDelete) {
return g_book_store.DeleteBook(book_id);
}
return false;

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