diff options
Diffstat (limited to 'src/Utilities/GetEssen.cpp')
| -rw-r--r-- | src/Utilities/GetEssen.cpp | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/src/Utilities/GetEssen.cpp b/src/Utilities/GetEssen.cpp new file mode 100644 index 0000000..56742cc --- /dev/null +++ b/src/Utilities/GetEssen.cpp @@ -0,0 +1,250 @@ +// +// Created by max on 18.12.18. +// + +#include "Utilities/GetEssen.hpp" + + +using namespace boost::posix_time; + +void returnEssen(Mongoose::Request &request, Mongoose::JsonResponse &response){ + std::cout << "mensa was called\n"; + mensa Mensa_ID; + std::string mensa_name = request.get("argument1", "adlershof"); + std::string offset_request = request.get("argument2", "0"); + + + if(mensa_name == "adlershof"){ + Mensa_ID = mensa::Adlershof; + } else if(mensa_name == "nord"){ + Mensa_ID = mensa::Nord; + }else if (mensa_name == "sued" || mensa_name == "süd"){ + Mensa_ID = mensa::Sued; + } + + int offset = std::stoi(offset_request); + + + response["success"] = "1"; + response["session"] = "NULL"; + response["text"] = getEssen(Mensa_ID, offset); + + +} + +bool db_update_mensa_message(const int& mensaID, const ptime& mensaDatum, const string& message){ + sqdb::Db db("../main.sqlite"); + string newTime = to_simple_string(ptime(second_clock::local_time())); + string mensaDatumString = to_string(mensaDatum.date().year()) + "-" + mensaDatum.date().month().as_short_string() + "-" + to_string(mensaDatum.date().day().as_number()); + sqdb::QueryStr str; + db.Query(str.Format(SQDB_MAKE_TEXT("update mensa set Message = '%s', LastModified = '%s' where ID = %i and Datum = '%s';"), message.c_str(), newTime.c_str(), mensaID, mensaDatumString.c_str())).Next(); + return true; +} + +bool db_insert_mensa_message(const int& mensaID, const ptime& mensaDatum, const string& message){ + sqdb::Db db("../main.sqlite"); + string newTime = to_simple_string(ptime(second_clock::local_time())); + string mensaDatumString = to_string(mensaDatum.date().year()) + "-" + mensaDatum.date().month().as_short_string() + "-" + to_string(mensaDatum.date().day().as_number()); + sqdb::QueryStr str; + db.Query(str.Format(SQDB_MAKE_TEXT("insert into mensa values(%i, '%s', '%s', '%s');"), mensaID, message.c_str(), mensaDatumString.c_str(), newTime.c_str())).Next(); + return true; +} + +Mensa_Essen db_get_mensa_message(const int& mensaID, const ptime& mensaDatum) { + Mensa_Essen out; + sqdb::Db db("../main.sqlite"); + + sqdb::QueryStr str; + string mensaDatumString = to_string(mensaDatum.date().year()) + "-" + mensaDatum.date().month().as_short_string() + "-" + to_string(mensaDatum.date().day().as_number()); + sqdb::Statement s = db.Query(str.Format(SQDB_MAKE_TEXT("SELECT * from mensa WHERE Datum = '%s' AND ID = %i;"), mensaDatumString.c_str(), mensaID )); + + try { + if(s.Next()) { + int ID = s.GetField(0); + string Message = s.GetField(1); + string Datum = s.GetField(2); + string LastModified = s.GetField(3); + + + ptime LMDate(time_from_string(LastModified)); + + out.ID = ID; + out.Message = Message; + out.Datum = mensaDatum; + out.LastModified = LMDate; + return out; + } + } catch (sqdb::Exception &exception){ + log("Error code: " + to_string(exception.GetErrorCode()) + " Error Message: " + exception.GetErrorMsg() + "\n"); + } + out.ID = -2; + return out; + +} + +string getEssen(const int mensa_ID, const int offset) { + Mensa_Essen Essen; + if (offset >= 0) { + + if (offset > 28) { + return "Ich fühle mich geschmeichelt, dass du denkst, dass ich so weit in die Zukunft gucken kann (0 bis 28 Tage)"; + } + + ptime datumNow = second_clock::local_time(); + ptime datumEssen = datumNow + (boost::gregorian::days(offset)); + + Essen = db_get_mensa_message(mensa_ID, datumEssen); + if (Essen.ID == -2) { // SQL got nothing back :/ + //log("sql got nothing back!"); + if (downloadMensaFile(mensa_ID, datumEssen) != CURLE_OK){ + log("Error downloading file"); + return "Error downloading file!"; + } + db_insert_mensa_message(mensa_ID, datumEssen, read_mensa_message_from_file(mensa_ID)); + Essen = db_get_mensa_message(mensa_ID, datumEssen); + + string out; + switch (Essen.ID) { + case mensa::Adlershof : + out = "<b>Mensa Adlershof</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + case mensa ::Nord: + out = "<b>Mensa Nord</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + case mensa::Sued : + out = "<b>Mensa Sued</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + default: + out = "Mensa Unbekannt am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + + } + out += Essen.Message; + out += "\n (Stand: " + to_simple_string(Essen.LastModified) + ")\n"; + + return out; + } + + if (Essen.LastModified + hours(2) < datumNow) { //LastModified is more than 2 hours old + if (downloadMensaFile(mensa_ID, datumEssen) != CURLE_OK) { + return "Error downloading file!"; + } + + db_update_mensa_message(mensa_ID, datumEssen, read_mensa_message_from_file(mensa_ID)); + Essen = db_get_mensa_message(mensa_ID, datumEssen); + } + string out; + switch (Essen.ID) { + case mensa::Adlershof : + out = "<b>Mensa Adlershof</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + case mensa::Nord : + out = "<b>Mensa Nord</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + case mensa::Sued : + out = "<b>Mensa Sued</b> am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + default: + out = "Mensa Unbekannt am " + to_string(Essen.Datum.date().day().as_number()) + "." + to_string(Essen.Datum.date().month().as_number()) + "." + to_string(Essen.Datum.date().year()) + ":"; + break; + + } + out += Essen.Message; + out += "\n (Stand: " + to_simple_string(Essen.LastModified) + ")\n"; + return out; + } else return "Wer denkst du bin ich? Ein Zeitreisender?\nIch kann zwar in die Zukunft gucken, aber nur 28 Tage"; + +} + +string read_mensa_message_from_file(const int& mensa_id_file) { + string s; + string out; + bool serious = false; + + std::ifstream inFile(std::to_string(mensa_id_file)); + while (std::getline(inFile, s)) { + //out += mensa; + if (s.find("15.png") != string::npos && serious) { + string vegan; + + int vegan_byte[4] = {0xF0, 0x9F, 0x8C, 0xB1}; + for (int i : vegan_byte) { + vegan += (char) i; + } + + out += vegan; + } + + if (s.find("1.png") != string::npos && serious) { + string vegetarian; + + int vegetarian_byte[4] = {0xF0, 0x9F, 0x8C, 0xBD}; + for (int i : vegetarian_byte) { + vegetarian += (char) i; + } + + out += vegetarian; + } + if (s.find("splIcon") != string::npos && serious && s.find("1.png") == string::npos && + s.find("15.png") == string::npos) { + string emptyEmoji; + int emptyEmoji_byte[6] = {0xE2, 0x98, 0xA3, 0xEF, 0xB8, 0x8F}; + for (int i : emptyEmoji_byte) { + emptyEmoji += (char) i; + } + + out += emptyEmoji; + } + + if (s.find("splGroup\"") != string::npos) { //Getting the Category of the Meal + for (int i = 0, j = 0; (unsigned) i < s.length(); ++i) { + if (s.at(i) == '>') { + j = i + 1; + } + if (s.at(i) == '<' && j != 0) { + s = s.substr(j, i - j); + j = 0; + } + + } + serious = (s == "Aktionen" || s == "Essen" || s == "Beilagen"); + if (serious) { + out += "\n<b>" + s + "</b>\n"; + } + } + if (s.find("class=\"bold\"") != string::npos && serious) { //Getting the Meal + for (int i = 0, j = 0; (unsigned) i < s.length(); ++i) { + if (s.at(i) == '>') { + j = i + 1; + //logStatus("Zeichen > gefunden in Position" + std::to_string(i)); + } + if (s.at(i) == '<' && j != 0) { + s = s.substr(j, i - j); + j = 0; + } + + } + + out += "\t" + s; + } + + if (s.find("euro;") != string::npos && serious) { //geting the price of each Meal + for (int i = 0, j = 0; (unsigned) i < s.length(); ++i) { + if (s.at(i) == ';') { + j = i + 1; + } + if (s.at(i) == '/') { + s = s.substr(j, i - j); + j = 0; + } + } + out += "\t<b>" + s + "</b>€\n"; + } + } + + if (out.empty()) { + return "Heute kein Essen"; + } + return out; + +} |