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add struct for data

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3eef8a28f26fb2bcc514e6f1938929a1f931762 2023-02-04 21:09:05 -05:00
parent cdddf8d602
commit 80f49120f3
1 changed files with 67 additions and 48 deletions
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115
CourseOfferingsScraper.cpp
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@ -7,26 +7,41 @@
#include<dist/jsoncpp.cpp>
namespace fs = std::filesystem;
using course_handler_t = void(const Json::Value&,const std::string&,Json::Value&);
void handle_term(const fs::directory_entry&,Json::Value&);
void handle_term_dirs(const std::set<fs::directory_entry>&,Json::Value&);
void handle_prefix(const Json::Value&,const std::string&,Json::Value&,course_handler_t*);
void handle_course(const Json::Value&,const std::string&,Json::Value&);
void handle_course_summer(const Json::Value&,const std::string&,Json::Value&);
void handle_attribute(const std::string&,Json::Value&);
void handle_attributes(const Json::Value&,Json::Value&);
void handle_sections(const Json::Value&,Json::Value&);
void handle_instructors(const Json::Value&,std::unordered_set<std::string>&);
void handle_multiple_instructors(const std::string&,std::unordered_set<std::string>&);
struct quatalog_data_t {
Json::Value terms_offered;
Json::Value prerequisites;
};
using course_handler_t = void(const Json::Value&,const std::string&,quatalog_data_t&,const Json::Value&);
void handle_term_dirs(const std::set<fs::directory_entry>&,quatalog_data_t&);
void handle_term(const fs::directory_entry& term_entry,quatalog_data_t&);
void handle_prefix(const Json::Value&,const std::string&,quatalog_data_t&,const Json::Value&,course_handler_t*);
void handle_course(const Json::Value&,const std::string&,quatalog_data_t&,const Json::Value&);
void handle_course_summer(const Json::Value&,const std::string&,quatalog_data_t&,const Json::Value&);
void handle_everything(const Json::Value& sections,
const Json::Value& title,
Json::Value& course_term,
Json::Value&);
void handle_sections(const Json::Value& sections,
Json::Value& course_term);
void handle_instructors(const Json::Value& section,
std::unordered_set<std::string>& instructors);
void handle_multiple_instructors(const std::string& instructor_str,
std::unordered_set<std::string>& instructors);
void handle_attributes(const Json::Value& section,
Json::Value& course_term);
void handle_attribute(const std::string& attribute,
Json::Value& attributes);
int main(const int argc,const char** argv) {
if(argc < 2) {
if(argc < 3) {
std::cerr << "Bad number of arguments " << argc << std::endl;
return EXIT_FAILURE;
}
const auto data_dir_path = fs::path(argv[1]);
const auto& data_dir_path = fs::path(argv[1]);
const std::string& terms_offered_filename = std::string(argv[2]);
if(!fs::is_directory(data_dir_path)) {
std::cerr << "Data dir argument " << data_dir_path << " is not a directory" << std::endl;
return EXIT_FAILURE;
@ -40,29 +55,29 @@ int main(const int argc,const char** argv) {
}
// Begin JSON manipulation
Json::Value terms_offered;
terms_offered["all_terms"] = Json::arrayValue;
handle_term_dirs(term_dirs,terms_offered);
quatalog_data_t data;
handle_term_dirs(term_dirs,data); //terms_offered,prerequisites);
std::cout << terms_offered << std::endl;
std::fstream terms_offered_file{terms_offered_filename,std::ios::out};
terms_offered_file << data.terms_offered << std::endl;
terms_offered_file.close();
return EXIT_SUCCESS;
}
void handle_term_dirs(const std::set<fs::directory_entry>& term_dirs,
Json::Value& terms_offered) {
quatalog_data_t& data) {
for(auto term : term_dirs) {
if(!fs::is_directory(term)) {
continue;
}
handle_term(term,terms_offered);
handle_term(term,data);
}
}
void handle_term(const fs::directory_entry& term_entry,
Json::Value& terms_offered) {
void handle_term(const fs::directory_entry& term_entry,quatalog_data_t& data) {
const fs::path dir = term_entry.path();
const auto dirname = dir.string();
const auto term = dir.stem().string();
@ -72,10 +87,12 @@ void handle_term(const fs::directory_entry& term_entry,
std::fstream prereqs_file{prereqs_filename,std::ios::in};
std::cerr << "Processing term " << term << "..." << std::endl;
terms_offered["all_terms"].append(term);
data.terms_offered["all_terms"].append(term);
Json::Value courses;
Json::Value prereqs;
courses_file >> courses;
prereqs_file >> prereqs;
course_handler_t* course_handler;
if(term.substr(4,2) == "05") {
@ -84,13 +101,17 @@ void handle_term(const fs::directory_entry& term_entry,
course_handler = handle_course;
}
for(auto& prefix : courses) {
handle_prefix(prefix,term,terms_offered,course_handler);
handle_prefix(prefix,term,data,prereqs,course_handler);
}
courses_file.close();
prereqs_file.close();
}
void handle_prefix(const Json::Value& prefix,
const std::string& term,
Json::Value& terms_offered,
quatalog_data_t& data,
const Json::Value& prereqs,
course_handler_t course_handler) {
#ifdef DEBUG
std::cerr << "\tProcessing prefix "
@ -101,28 +122,26 @@ void handle_prefix(const Json::Value& prefix,
<< std::endl;
#endif
for(auto& course : prefix["courses"]) {
course_handler(course,term,terms_offered);
course_handler(course,term,data,prereqs);
}
}
void handle_course(const Json::Value& course,
const std::string& term,
Json::Value& terms_offered) {
quatalog_data_t& data,
const Json::Value& prereqs) {
const auto course_code = course["id"].asString();
auto& course_term = terms_offered[course_code][term];
course_term["title"] = course["title"];
auto& course_term = data.terms_offered[course_code][term];
const Json::Value& sections = course["sections"];
handle_sections(sections,course_term);
handle_attributes(course["sections"][0],course_term);
handle_everything(sections,course["title"],course_term,data.prerequisites);
}
void handle_course_summer(const Json::Value& course,
const std::string& term,
Json::Value& terms_offered) {
quatalog_data_t& data,
const Json::Value& prereqs) {
const auto course_code = course["id"].asString();
// sections[0]: Full term sections
@ -158,29 +177,29 @@ void handle_course_summer(const Json::Value& course,
sections[subterm].append(section);
}
auto& course_terms = terms_offered[course_code];
auto& course_terms = data.terms_offered[course_code];
// Forgive the repeated code; it's not that much of a mess
if(subterm0) {
Json::Value& course_term = course_terms[term];
course_term["title"] = course["title"];
handle_sections(sections[0],course_term);
handle_attributes(sections[0][0],course_term);
handle_everything(sections[0],course["title"],course_terms[term],data.prerequisites);
} else {
if(subterm1) {
Json::Value& course_term = course_terms[term+"02"];
course_term["title"] = course["title"];
handle_sections(sections[1],course_term);
handle_attributes(sections[1][0],course_term);
handle_everything(sections[1],course["title"],course_terms[term+"02"],data.prerequisites);
} if(subterm2) {
Json::Value& course_term = course_terms[term+"03"];
course_term["title"] = course["title"];
handle_sections(sections[2],course_term);
handle_attributes(sections[2][0],course_term);
handle_everything(sections[2],course["title"],course_terms[term+"03"],data.prerequisites);
}
}
}
void handle_everything(const Json::Value& sections,
const Json::Value& title,
Json::Value& course_term,
Json::Value& course_prerequisites) {
course_term["title"] = title;
handle_sections(sections,course_term);
handle_attributes(sections[0],course_term);
//handle_prereqs(sections[0],course_prerequisites);
}
void handle_sections(const Json::Value& sections,
Json::Value& course_term) {
int credMin = Json::Value::maxInt, credMax = 0;