Add /users/:id/illustrations
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parent
f6447d9ec5
commit
5c594b6301
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@ -24,7 +24,7 @@ add_link_options(${FLAGS})
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add_executable(${PROJECT_NAME} main.cpp misc.cpp config.cpp servehelper.cpp pixivclient.cpp blankie/serializer.cpp blankie/escape.cpp blankie/murl.cpp
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routes/home.cpp routes/css.cpp routes/users/common.cpp routes/users/users.cpp)
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routes/home.cpp routes/css.cpp routes/users/common.cpp routes/users/users.cpp routes/users/illustrations.cpp)
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set_target_properties(${PROJECT_NAME}
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PROPERTIES
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CXX_STANDARD 20
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@ -52,5 +52,5 @@ std::string Element::serialize() const {
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}; // namespace blankie
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static inline bool is_autoclosing_tag(const char* tag) {
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return !strncmp(tag, "link", 5) || !strncmp(tag, "meta", 5) || !strncmp(tag, "img", 4);
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return !strncmp(tag, "link", 5) || !strncmp(tag, "meta", 5) || !strncmp(tag, "img", 4) || !strncmp(tag, "br", 3);
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}
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15
main.cpp
15
main.cpp
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@ -31,6 +31,9 @@ int main(int argc, char** argv) {
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server.Get("/users/(\\d+)", [&](const httplib::Request& req, httplib::Response& res) {
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users_route(req, res, config, pixiv_client);
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});
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server.Get("/users/(\\d+)/illustrations", [&](const httplib::Request& req, httplib::Response& res) {
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user_illustrations_route(req, res, config, pixiv_client);
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});
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server.Get("/member\\.php", [&](const httplib::Request& req, httplib::Response& res) {
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std::string id = req.get_param_value("id");
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@ -52,18 +55,6 @@ int main(int argc, char** argv) {
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});
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#ifndef NDEBUG
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// TODO remove
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server.Get("/debug/userillusts", [&](const httplib::Request& req, httplib::Response& res) {
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std::vector<uint64_t> illusts = pixiv_client.get_illusts(2583663);
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std::string output;
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for (uint64_t i : illusts) {
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output += std::to_string(i);
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output += '\n';
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}
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res.set_content(std::move(output), "text/plain");
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});
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server.Get("/debug/exception/known", [](const httplib::Request& req, httplib::Response& res) {
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throw std::runtime_error("awoo");
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});
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@ -51,6 +51,10 @@ void css_route(const httplib::Request& req, httplib::Response& res) {
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margin-left: .5em;
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}
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.center {
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text-align: center;
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}
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.error {
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text-align: center;
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background-color: var(--error-background-color);
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@ -8,3 +8,4 @@ class PixivClient; // forward declaration from ../pixivclient.h
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void home_route(const httplib::Request& req, httplib::Response& res, const Config& config);
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void css_route(const httplib::Request& req, httplib::Response& res);
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void users_route(const httplib::Request& req, httplib::Response& res, const Config& config, PixivClient& pixiv_client);
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void user_illustrations_route(const httplib::Request& req, httplib::Response& res, const Config& config, PixivClient& pixiv_client);
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@ -0,0 +1,113 @@
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#include <utility>
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#include "../routes.h"
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#include "../../servehelper.h"
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#include "../../pixivclient.h"
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#include "common.h"
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static inline uint64_t to_ull(const std::string& str);
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static Element generate_pager(size_t page, size_t items, size_t items_per_page);
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static inline Element generate_content(const std::vector<uint64_t>& illust_ids, size_t page, size_t items_per_page);
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static inline size_t page_count(size_t items, size_t items_per_page);
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static inline std::pair<size_t, size_t> page_to_offsets(size_t page, size_t items, size_t items_per_page);
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void user_illustrations_route(const httplib::Request& req, httplib::Response& res, const Config& config, PixivClient& pixiv_client) {
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uint64_t user_id = to_ull(req.matches[1].str());
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uint64_t page = req.has_param("p") ? to_ull(req.get_param_value("p")) - 1 : 0;
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User user;
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std::vector<uint64_t> illust_ids;
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try {
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user = pixiv_client.get_user(user_id);
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illust_ids = pixiv_client.get_illusts(user_id);
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} catch (const PixivException& e) {
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if (e.status == 404) {
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res.status = 404;
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serve_error(req, res, config, "404: User not found", e.what());
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} else {
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res.status = 500;
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serve_error(req, res, config, "500: Internal server error", "Failed to fetch user information", e.what());
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}
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return;
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} catch (const std::exception& e) {
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res.status = 500;
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serve_error(req, res, config, "500: Internal server error", "Failed to fetch user information", e.what());
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return;
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}
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const constexpr size_t items_per_page = 18; // on pixiv touch
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Element body("body", {
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generate_user_header(std::move(user), config),
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generate_pager(page, illust_ids.size(), items_per_page),
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Element("br"),
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generate_content(std::move(illust_ids), page, items_per_page),
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generate_pager(page, illust_ids.size(), items_per_page)
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});
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(void)page_to_offsets;
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serve(req, res, config, user.display_name + " illustrations", std::move(body));
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}
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static inline uint64_t to_ull(const std::string& str) {
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char* endptr;
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errno = 0;
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uint64_t res = strtoull(str.c_str(), &endptr, 10);
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if (res == ULLONG_MAX && errno == ERANGE) {
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throw std::overflow_error(str + " is too big");
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} else if (endptr[0] != '\0') {
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throw std::invalid_argument(str + " contains trailing text or is not an integer");
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}
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return res;
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}
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static Element generate_pager(size_t page, size_t items, size_t items_per_page) {
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using namespace std::string_literals;
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size_t total_pages = page_count(items, items_per_page);
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auto link = [](std::string href, const char* text, bool add_link) {
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Element b("b");
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if (add_link) {
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b.nodes.push_back(Element("a", {{"href", std::move(href)}}, {text}));
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} else {
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b.nodes.push_back(text);
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}
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return b;
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};
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return Element("div", {{"class", "center"}}, {
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link("?p=1", "First", page != 0), " ",
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link("?p="s + std::to_string(page), "Prev", page != 0), " ",
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std::to_string(page + 1), "/", std::to_string(total_pages), " ",
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link("?p="s + std::to_string(page + 2), "Next", page + 1 < total_pages), " ",
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link("?p="s + std::to_string(total_pages), "Last", page + 1 < total_pages)
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});
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}
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static inline Element generate_content(const std::vector<uint64_t>& illust_ids, size_t page, size_t items_per_page) {
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// TODO be real
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Element ul("ul");
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std::pair<size_t, size_t> illust_ids_offsets = page_to_offsets(page, illust_ids.size(), items_per_page);
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ul.nodes.reserve(items_per_page);
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for (size_t i = illust_ids_offsets.first; i < illust_ids_offsets.second; i++) {
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ul.nodes.push_back(Element("li", {
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std::to_string(illust_ids[i])
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}));
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}
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return ul;
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}
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static inline size_t page_count(size_t items, size_t items_per_page) {
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size_t ret = items / items_per_page;
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if (items % items_per_page != 0) {
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ret++;
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}
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return ret;
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}
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static inline std::pair<size_t, size_t> page_to_offsets(size_t page, size_t items, size_t items_per_page) {
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size_t start_offset = page * items_per_page;
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size_t end_offset = start_offset + items_per_page;
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return {items > start_offset ? start_offset : items, items > end_offset ? end_offset : items};
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}
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