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#include "../../plugins/MediaGeneric.hpp"
#include "../../include/StringUtils.hpp"
#include <quickmedia/HtmlSearch.h>
namespace QuickMedia {
using HtmlPathCallback = std::function<void(QuickMediaHtmlNode*)>;
static int quickmedia_html_find_nodes_xpath(QuickMediaHtmlSearch *self, const char *xpath, HtmlPathCallback callback) {
return quickmedia_html_find_nodes_xpath(self, xpath, [](QuickMediaHtmlNode *node, void *userdata) {
HtmlPathCallback *callback = (HtmlPathCallback*)userdata;
(*callback)(node);
}, &callback);
}
static const char* html_attr_or_inner_text(QuickMediaHtmlNode *node, const char *field_name) {
if(strcmp(field_name, "text") == 0)
return quickmedia_html_node_get_text(node);
else
return quickmedia_html_node_get_attribute_value(node, field_name);
}
static void body_items_prepend_website_url(BodyItems &body_items, const std::string &website_url) {
for(auto &body_item : body_items) {
if(string_starts_with(body_item->url, "//"))
body_item->url = "https://" + body_item->url.substr(2);
else if(string_starts_with(body_item->url, "/"))
body_item->url = website_url + body_item->url.substr(1);
if(string_starts_with(body_item->thumbnail_url, "//"))
body_item->thumbnail_url = "https://" + body_item->thumbnail_url.substr(2);
else if(string_starts_with(body_item->thumbnail_url, "/"))
body_item->thumbnail_url = website_url + body_item->thumbnail_url.substr(1);
}
}
static PluginResult fetch_page_results(const std::string &url, const std::string &website_url, const std::vector<MediaTextQuery> &text_queries, const std::vector<MediaThumbnailQuery> &thumbnail_queries, MediaRelatedCustomHandler *custom_handler, BodyItems &result_items) {
std::vector<CommandArg> args;
if(!website_url.empty())
args.push_back({ "-H", "referer: " + website_url });
std::string website_data;
if(download_to_string(url, website_data, args, true) != DownloadResult::OK)
return PluginResult::NET_ERR;
if(website_data.empty())
return PluginResult::OK;
if(custom_handler && *custom_handler) {
std::vector<MediaRelatedItem> media_related_items = (*custom_handler)(website_data);
for(MediaRelatedItem &media_related_item : media_related_items) {
auto body_item = BodyItem::create(strip(media_related_item.title));
body_item->url = std::move(media_related_item.url);
body_item->thumbnail_url = std::move(media_related_item.thumbnail_url);
result_items.push_back(std::move(body_item));
}
body_items_prepend_website_url(result_items, website_url);
return PluginResult::OK;
}
QuickMediaHtmlSearch html_search;
int result = quickmedia_html_search_init(&html_search, website_data.c_str());
if(result != 0)
goto cleanup;
for(const MediaTextQuery &text_query : text_queries) {
if(!text_query.html_query || !text_query.title_field) {
assert(false);
result = -1;
goto cleanup;
}
result = quickmedia_html_find_nodes_xpath(&html_search, text_query.html_query, [&text_query, &result_items](QuickMediaHtmlNode *node) {
const char *title_value = html_attr_or_inner_text(node, text_query.title_field);
const char *url_value = html_attr_or_inner_text(node, text_query.url_field);
if(title_value && url_value && (!text_query.url_contains || strstr(url_value, text_query.url_contains))) {
std::string field1_fixed = strip(title_value);
html_unescape_sequences(field1_fixed);
auto item = BodyItem::create(std::move(field1_fixed));
item->url = strip(url_value);
result_items.push_back(std::move(item));
}
});
if(result != 0)
goto cleanup;
}
for(const MediaThumbnailQuery &thumbnail_query : thumbnail_queries) {
assert(thumbnail_query.html_query && thumbnail_query.field_name);
if(thumbnail_query.html_query && thumbnail_query.field_name) {
size_t index = 0;
result = quickmedia_html_find_nodes_xpath(&html_search, thumbnail_query.html_query, [&thumbnail_query, &result_items, &index](QuickMediaHtmlNode *node) {
const char *field_value = html_attr_or_inner_text(node, thumbnail_query.field_name);
if(index < result_items.size() && field_value && (!thumbnail_query.field_contains || strstr(field_value, thumbnail_query.field_contains))) {
result_items[index]->thumbnail_url = strip(field_value);
++index;
}
});
if(result != 0)
goto cleanup;
}
}
body_items_prepend_website_url(result_items, website_url);
cleanup:
quickmedia_html_search_deinit(&html_search);
if(result == 0) {
return PluginResult::OK;
} else {
result_items.clear();
return PluginResult::ERR;
}
}
MediaGenericSearchPage::MediaGenericSearchPage(Program *program, const char *website_url, sf::Vector2i thumbnail_max_size) :
Page(program), website_url(website_url ? website_url : ""), thumbnail_max_size(thumbnail_max_size)
{
if(!this->website_url.empty()) {
if(this->website_url.back() != '/')
this->website_url.push_back('/');
}
}
SearchResult MediaGenericSearchPage::search(const std::string &str, BodyItems &result_items) {
return plugin_result_to_search_result(get_page(str, 0, result_items));
}
PluginResult MediaGenericSearchPage::get_page(const std::string &str, int page, BodyItems &result_items) {
std::string url = search_query.search_template;
string_replace_all(url, "%s", url_param_encode(str));
string_replace_all(url, "%p", std::to_string(search_query.page_start + page));
return fetch_page_results(url, website_url, text_queries, thumbnail_queries, nullptr, result_items);
}
PluginResult MediaGenericSearchPage::submit(const std::string&, const std::string &url, std::vector<Tab> &result_tabs) {
result_tabs.push_back(Tab{nullptr, std::make_unique<MediaGenericVideoPage>(program, this, url), nullptr});
return PluginResult::OK;
}
PluginResult MediaGenericSearchPage::get_related_media(const std::string &url, BodyItems &result_items) {
return fetch_page_results(url, website_url, related_media_text_queries, related_media_thumbnail_queries, &related_custom_handler, result_items);
}
MediaGenericSearchPage& MediaGenericSearchPage::search_handler(const char *search_template, int page_start) {
search_query.search_template = search_template;
search_query.page_start = page_start;
return *this;
}
MediaGenericSearchPage& MediaGenericSearchPage::text_handler(std::vector<MediaTextQuery> queries) {
text_queries = std::move(queries);
return *this;
}
MediaGenericSearchPage& MediaGenericSearchPage::thumbnail_handler(std::vector<MediaThumbnailQuery> queries) {
thumbnail_queries = std::move(queries);
return *this;
}
MediaGenericSearchPage& MediaGenericSearchPage::related_media_text_handler(std::vector<MediaTextQuery> queries) {
related_media_text_queries = std::move(queries);
related_custom_handler = nullptr;
return *this;
}
MediaGenericSearchPage& MediaGenericSearchPage::related_media_thumbnail_handler(std::vector<MediaThumbnailQuery> queries) {
related_media_thumbnail_queries = std::move(queries);
related_custom_handler = nullptr;
return *this;
}
MediaGenericSearchPage& MediaGenericSearchPage::related_media_custom_handler(MediaRelatedCustomHandler handler) {
related_custom_handler = handler;
related_media_text_queries.clear();
related_media_thumbnail_queries.clear();
return *this;
}
PluginResult MediaGenericRelatedPage::submit(const std::string&, const std::string &url, std::vector<Tab> &result_tabs) {
result_tabs.push_back(Tab{nullptr, std::make_unique<MediaGenericVideoPage>(program, search_page, url), nullptr});
return PluginResult::OK;
}
BodyItems MediaGenericVideoPage::get_related_media(const std::string &url, std::string&) {
BodyItems result_items;
search_page->get_related_media(url, result_items);
return result_items;
}
std::unique_ptr<Page> MediaGenericVideoPage::create_search_page(Program*, int &search_delay) {
search_delay = 500; // TODO: Make configurable?
return std::make_unique<MediaGenericSearchPage>(*search_page);
}
std::unique_ptr<RelatedVideosPage> MediaGenericVideoPage::create_related_videos_page(Program *program, const std::string&, const std::string&) {
return std::make_unique<MediaGenericRelatedPage>(program, search_page);
}
}
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