154 lines
7.2 KiB
C++
154 lines
7.2 KiB
C++
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#include<fstream>
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#include<iostream>
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#include<filesystem>
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#include<json/json.h>
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#include"common.h"
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struct quatalog_data_t {
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Json::Value terms_offered;
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Json::Value prerequisites;
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Json::Value list_of_terms;
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Json::Value catalog;
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};
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bool create_dir_if_not_exist(const fs::path&);
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void generate_course_page(const std::string&,const quatalog_data_t&,std::ostream&);
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void generate_list(const Json::Value&,const std::string&,const std::string&,const quatalog_data_t&,std::ostream& os);
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std::string get_course_title(const std::string&,const quatalog_data_t&);
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int main(const int argc,
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const char** argv) {
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if(argc != 6) {
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std::cerr << "Bad number of arguments (" << argc << ")" << std::endl;
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std::cerr << "Usage: " << argv[0]
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<< " <terms_offered_file>"
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<< " <prerequisites_file>"
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<< " <list_of_terms_file>"
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<< " <catalog_file>"
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<< " <out_directory>"
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<< std::endl;
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return EXIT_FAILURE;
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}
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const auto& terms_offered_filename = std::string(argv[1]);
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const auto& prerequisites_filename = std::string(argv[2]);
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const auto& list_of_terms_filename = std::string(argv[3]);
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const auto& catalog_filename = std::string(argv[4]);
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const auto& out_dir_path = fs::path(argv[5]);
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if(!create_dir_if_not_exist(out_dir_path)) {
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std::cerr << "What" << std::endl;
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return EXIT_FAILURE;
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}
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std::fstream terms_offered_file{terms_offered_filename,std::ios::in};
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std::fstream prerequisites_file{prerequisites_filename,std::ios::in};
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std::fstream list_of_terms_file{list_of_terms_filename,std::ios::in};
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std::fstream catalog_file{catalog_filename,std::ios::in};
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quatalog_data_t quatalog_data;
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terms_offered_file >> quatalog_data.terms_offered;
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prerequisites_file >> quatalog_data.prerequisites;
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list_of_terms_file >> quatalog_data.list_of_terms;
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catalog_file >> quatalog_data.catalog;
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generate_course_page("LGHT-4830",quatalog_data,std::cout);
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generate_course_page("MATH-4150",quatalog_data,std::cout);
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}
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bool create_dir_if_not_exist(const fs::path& path) {
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if(fs::exists(path)) {
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if(!fs::is_directory(path)) {
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std::cerr << "out_directory argument "
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<< path
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<< "is not a directory"
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<< std::endl;
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return false;
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}
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return true;
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}
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return fs::create_directory(path);
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}
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void generate_course_page(const std::string& course_id,
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const quatalog_data_t& quatalog_data,
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std::ostream& os) {
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std::string course_name, description;
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const auto& catalog_entry = quatalog_data.catalog[course_id];
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const auto& prereqs_entry = quatalog_data.prerequisites[course_id];
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const auto& terms_offered = quatalog_data.terms_offered[course_id];
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const auto& latest_term = terms_offered["latest_term"].asString();
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const auto& credits = terms_offered[latest_term]["credits"];
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const int credMin = credits["min"].asInt();
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const int credMax = credits["max"].asInt();
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const auto& credit_string = (credMin == credMax) ? std::to_string(credMin) : (std::to_string(credMin) + "-" + std::to_string(credMax));
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if(catalog_entry) {
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course_name = catalog_entry["name"].asString();
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description = catalog_entry["description"].asString();
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} else {
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course_name = terms_offered[latest_term]["name"].asString();
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description = "This course is not in the most recent catalog."
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"It may have been discontinued, or had its course "
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"code changed.";
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}
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const auto& mid_digits = course_id.substr(6,2);
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if(mid_digits == "96" || mid_digits == "97") {
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course_name = "Topics in " + course_id.substr(0,4);
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description = "Course codes between X960 and X979 are for topics courses. "
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"They are often recycled and used for new/experimental courses.";
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}
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os << R"R(<html>
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<head>
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<title>)R" << course_id << " - " << course_name << R"R(</title>"
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</head>
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<body>
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<div id="cd-flex">
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<div id="course-info-container">
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<h1 id="name">)R" << course_name << R"R(</h1>
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<h2 id="code">)R" << course_id << R"R(</h2>
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<p>)R" << description << R"R(</p>
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<div id="cattrs-container">
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<span id="credits-pill" class="attr-pill">
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<span>)R" << credit_string << " " << (credMax == 1 ? "credit" : "credits") << R"R(</span>
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</span>
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</div>)R" << '\n';
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generate_list(prereqs_entry["cross_listings"],"Cross-listed with:","crosslist",quatalog_data,os);
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generate_list(prereqs_entry["corequisites"],"Corequisites:","coreq",quatalog_data,os);
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os << R"R( </div>
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</div>
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</body>
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</html>)R" << std::endl;
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}
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std::string get_course_title(const std::string& course_id,const quatalog_data_t& quatalog_data) {
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const auto& catalog_entry = quatalog_data.catalog[course_id];
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const auto& terms_offered = quatalog_data.terms_offered[course_id];
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const auto& latest_term = terms_offered["latest_term"].asString();
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if(catalog_entry) {
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return catalog_entry["name"].asString();
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} else {
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return terms_offered[latest_term]["name"].asString();
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}
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}
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void generate_list(const Json::Value& list,const std::string& list_name,const std::string& css_prefix,const quatalog_data_t& qlog,std::ostream& os) {
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if(!list.empty()) {
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os << R"R( <div id=")R" << css_prefix << R"R(-container" class="hidden">
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<div id=")R" << css_prefix << R"R(-title" class="rel-info-title">
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)R" << list_name << R"R(
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</div>
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<div id=")R" << css_prefix << R"R(-classes" class="rel-info-courses">)R";
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for(const auto& cl : list) {
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const auto& clstr = cl.asString();
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os << R"R(
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<a class="course-pill" href=")R" << clstr
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<< R"R(.html">)R"
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<< clstr << " " << get_course_title(clstr,qlog)
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<< "</a>\n";
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}
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os << " </div>\n";
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os << " </div>\n";
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}
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}
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