diff options
Diffstat (limited to 'src/plugins/Youtube.cpp')
| -rw-r--r-- | src/plugins/Youtube.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/plugins/Youtube.cpp b/src/plugins/Youtube.cpp new file mode 100644 index 0000000..6cc4ac6 --- /dev/null +++ b/src/plugins/Youtube.cpp @@ -0,0 +1,120 @@ +#include "../../plugins/Youtube.hpp" +#include <quickmedia/HtmlSearch.h> +#include <json/reader.h> +#include <string.h> + +namespace QuickMedia { + static bool begins_with(const char *str, const char *begin_with) { + return strncmp(str, begin_with, strlen(begin_with)) == 0; + } + + SearchResult Youtube::search(const std::string &text, std::vector<std::unique_ptr<BodyItem>> &result_items, Page &next_page) { + next_page = Page::SEARCH_RESULT; + std::string url = "https://youtube.com/results?search_query="; + url += url_param_encode(text); + + std::string website_data; + if(download_to_string(url, website_data) != DownloadResult::OK) + return SearchResult::NET_ERR; + + QuickMediaHtmlSearch html_search; + int result = quickmedia_html_search_init(&html_search, website_data.c_str()); + if(result != 0) + goto cleanup; + + result = quickmedia_html_find_nodes_xpath(&html_search, "//h3[class=\"yt-lockup-title\"]/a", + [](QuickMediaHtmlNode *node, void *userdata) { + auto *result_items = (std::vector<std::unique_ptr<BodyItem>>*)userdata; + const char *href = quickmedia_html_node_get_attribute_value(node, "href"); + const char *title = quickmedia_html_node_get_attribute_value(node, "title"); + // Checking for watch?v helps skipping ads + if(href && title && begins_with(href, "/watch?v=")) { + auto item = std::make_unique<BodyItem>(title); + item->url = std::string("https://www.youtube.com") + href; + result_items->push_back(std::move(item)); + } + }, &result_items); + + cleanup: + quickmedia_html_search_deinit(&html_search); + return result == 0 ? SearchResult::OK : SearchResult::ERR; + } + + static void iterate_suggestion_result(const Json::Value &value, const std::string &search_text, std::vector<std::unique_ptr<BodyItem>> &result_items) { + if(value.isArray()) { + for(const Json::Value &child : value) { + iterate_suggestion_result(child, search_text, result_items); + } + } else if(value.isString()) { + std::string title = value.asString(); + if(title != search_text) { + auto item = std::make_unique<BodyItem>(title); + result_items.push_back(std::move(item)); + } + } + } + + SuggestionResult Youtube::update_search_suggestions(const std::string &text, std::vector<std::unique_ptr<BodyItem>> &result_items) { + result_items.push_back(std::make_unique<BodyItem>(text)); + std::string url = "https://clients1.google.com/complete/search?client=youtube&hl=en&gl=us&q="; + url += url_param_encode(text); + + std::string server_response; + if(download_to_string(url, server_response) != DownloadResult::OK) + return SuggestionResult::NET_ERR; + + size_t json_start = server_response.find_first_of('('); + if(json_start == std::string::npos) + return SuggestionResult::ERR; + ++json_start; + + size_t json_end = server_response.find_last_of(')'); + if(json_end == std::string::npos) + return SuggestionResult::ERR; + + if(json_end == 0 || json_start >= json_end) + return SuggestionResult::ERR; + --json_end; + + Json::Value json_root; + Json::CharReaderBuilder json_builder; + std::unique_ptr<Json::CharReader> json_reader(json_builder.newCharReader()); + std::string json_errors; + if(json_reader->parse(&server_response[json_start], &server_response[json_end], &json_root, &json_errors)) { + fprintf(stderr, "Youtube suggestions json error: %s\n", json_errors.c_str()); + return SuggestionResult::ERR; + } + + iterate_suggestion_result(json_root, text, result_items); + return SuggestionResult::OK; + } + + std::vector<std::unique_ptr<BodyItem>> Youtube::get_related_media(const std::string &url) { + std::vector<std::unique_ptr<BodyItem>> result_items; + + std::string website_data; + if(download_to_string(url, website_data) != DownloadResult::OK) + return result_items; + + QuickMediaHtmlSearch html_search; + int result = quickmedia_html_search_init(&html_search, website_data.c_str()); + if(result != 0) + goto cleanup; + + result = quickmedia_html_find_nodes_xpath(&html_search, "//ul[class=\"video-list\"]//div[class=\"content-wrapper\"]/a", + [](QuickMediaHtmlNode *node, void *userdata) { + auto *result_items = (std::vector<std::unique_ptr<BodyItem>>*)userdata; + const char *href = quickmedia_html_node_get_attribute_value(node, "href"); + // TODO: Also add title for related media + if(href && begins_with(href, "/watch?v=")) { + auto item = std::make_unique<BodyItem>(""); + item->url = std::string("https://www.youtube.com") + href; + result_items->push_back(std::move(item)); + } + }, &result_items); + + cleanup: + quickmedia_html_search_deinit(&html_search); + return result_items; + } +}
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