kopia lustrzana https://gitlab.com/tomaszg/geostat
362 wiersze
12 KiB
C++
362 wiersze
12 KiB
C++
#include "ocdb.h"
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#include "debug.h"
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#include "okapi.h"
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#include <string>
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#include <fstream>
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#include <map>
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#include <sqlite3.h>
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#include <nlohmann/json.hpp>
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using json = nlohmann::json;
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// using namespace std::literals::string_literals;
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OCdb::OCdb(std::string db_file) {
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int res;
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res = sqlite3_open(db_file.c_str(), &db);
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if (res != SQLITE_OK) {
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Debug(1) << sqlite3_errmsg(db);
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throw 1;
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}
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if (!request("CREATE TABLE IF NOT EXISTS revision (revision INTEGER PRIMARY KEY);") ||
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!request("CREATE TABLE IF NOT EXISTS caches (code TEXT PRIMARY KEY, name TEXT, location TEXT, type TEXT, status TEXT, size TEXT, difficulty REAL, terrain REAL, country TEXT, region TEXT, owner TEXT);") ||
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!request("CREATE TABLE IF NOT EXISTS logs (uuid TEXT PRIMARY KEY, cache_code TEXT, date TEXT, user TEXT, type TEXT);"))
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throw 1;
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if (!read_revision()) {
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Debug(1) << "Error reading database revision, database may be corrupt or empty.\n";
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throw 1;
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}
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}
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OCdb::~OCdb() {
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sqlite3_close(db);
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}
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bool OCdb::request(std::string req) {
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int res;
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res = sqlite3_prepare_v2(db, req.c_str(), req.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << req << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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res = sqlite3_step(stmt);
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if (res != SQLITE_DONE) {
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Debug(1) << "Request \"" << req << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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sqlite3_finalize(stmt);
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return 1;
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}
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bool OCdb::init(std::string dump_path) {
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request("DELETE FROM caches;");
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request("DELETE FROM logs;");
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request("DELETE FROM revision;");
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std::ifstream file(dump_path + "index.json");
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json j;
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file >> j;
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revision = j["revision"];
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request("BEGIN TRANSACTION;");
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request("INSERT INTO revision VALUES (" + std::to_string(revision) + ");");
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for (auto& el : j["data_files"].items()) {
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init_part(dump_path + el.value().get<std::string>());
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}
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request("COMMIT;");
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return 1;
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}
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bool OCdb::init_part(std::string json_file) {
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Debug(2) << "Processing file: " << json_file << '\n';
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std::ifstream file(json_file);
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json j;
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file >> j;
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Debug(5) << "File: " << json_file << " read.\n";
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for (auto& el : j.items()) {
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parse_item(el.value());
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}
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return 1;
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}
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bool OCdb::update(Okapi& oc) {
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Debug(2) << "Fetching changelog since revision " << revision << ".\n";
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std::string output = oc.get_changelog_json(revision);
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json j = json::parse(output);
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request("BEGIN TRANSACTION;");
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for (auto& el : j["changelog"].items()) {
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parse_item(el.value());
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}
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set_revision(j["revision"]);
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request("COMMIT;");
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if (j["more"])
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update(oc);
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return 1;
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}
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bool OCdb::parse_item(json j) {
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if (j.count("object_type") > 0 && j["object_type"] == "geocache") {
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if (j.count("change_type") > 0 && j["change_type"] == "replace") {
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Debug(5) << "Inserting/updating cache " << j["object_key"]["code"].get<std::string>() << ".\n";
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// if (j["object_key"]["code"] != j["data"]["code"]) {
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// Debug(1) << "Code change " << j["object_key"]["code"] << " -> " << j["data"]["code"] <<'\n';
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// }
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update_cache(j);
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}
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else if (j.count("change_type") > 0 && j["change_type"] == "delete") {
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Debug(2) << "Deleting cache " << j["object_key"]["code"].get<std::string>() << ".\n";
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std::string sql = "DELETE FROM caches WHERE code='" + j["object_key"]["code"].get<std::string>() + "';";
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request(sql);
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}
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else {
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Debug(1) << "Incorrect change type: " << j["change_type"] << ".\n";
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}
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}
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else if (j.count("object_type") > 0 && j["object_type"] == "log") {
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if (j["change_type"] == "replace") {
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Debug(3) << "Updating log " << j["object_key"]["uuid"] << ".\n";
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update_log(j);
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}
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else if (j.count("change_type") > 0 && j["change_type"] == "delete") {
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Debug(2) << "Deleting log " << j["object_key"]["uuid"] << ".\n";
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std::string sql = "DELETE FROM logs WHERE uuid='" + j["object_key"]["uuid"].get<std::string>() + "';";
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request(sql);
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}
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else {
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Debug(1) << "Incorrect change type: " << j["change_type"] << ".\n";
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}
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}
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else {
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Debug(1) << "Incorrect object type: " << j["object_type"] << ".\n";
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}
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return 1;
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}
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bool OCdb::update_cache(json j) {
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// (code TEXT PRIMARY KEY, name TEXT, location TEXT, type TEXT, status TEXT, size TEXT, difficulty REAL, terrain REAL, country TEXT, region TEXT, owner TEXT)
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std::map<std::string, std::string> fields;
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std::map<std::string, float> fields2;
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int res;
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std::string code = j["object_key"]["code"].get<std::string>();
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if (j["data"]["names"].count("pl") > 0 && !j["data"]["names"]["pl"].is_null())
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fields["name"] = j["data"]["names"]["pl"].get<std::string>();
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else if (j["data"]["names"].count("en") > 0 && !j["data"]["names"]["en"].is_null())
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fields["name"] = j["data"]["names"]["en"].get<std::string>();
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if (j["data"].count("location") > 0 && !j["data"]["location"].is_null())
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fields["location"] = j["data"]["location"].get<std::string>();
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if (j["data"].count("type") > 0 && !j["data"]["type"].is_null())
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fields["type"] = j["data"]["type"].get<std::string>();
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if (j["data"].count("status") > 0 && !j["data"]["status"].is_null())
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fields["status"] = j["data"]["status"].get<std::string>();
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if (j["data"].count("size2") > 0 && !j["data"]["size2"].is_null())
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fields["size"] = j["data"]["size2"].get<std::string>();
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if (j["data"].count("difficulty") > 0 && !j["data"]["difficulty"].is_null())
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fields2["difficulty"] = j["data"]["difficulty"].get<float>();
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if (j["data"].count("terrain") > 0 && !j["data"]["terrain"].is_null())
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fields2["terrain"] = j["data"]["terrain"].get<float>();
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if (j["data"].count("country") > 0 && !j["data"]["country"].is_null())
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fields["country"] = j["data"]["country"].get<std::string>();
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if (j["data"].count("region") > 0 && !j["data"]["region"].is_null())
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fields["region"] = j["data"]["region"].get<std::string>();
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else if (j["data"].count("state") > 0 && !j["data"]["state"].is_null())
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fields["region"] = j["data"]["state"].get<std::string>();
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if (j["data"]["owner"].count("uuid") > 0 && !j["data"]["owner"]["uuid"].is_null())
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fields["owner"] = j["data"]["owner"]["uuid"].get<std::string>();
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if (fields.empty() && fields2.empty())
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return 2;
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std::string sql = "INSERT INTO caches (code,";
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for (auto& i : fields)
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sql += i.first + ',';
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for (auto& i : fields2)
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sql += i.first + ',';
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sql.pop_back();
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sql += ") VALUES ('" + code + "',";
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for (__attribute__((unused)) auto& i : fields)
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sql += "?,";
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for (__attribute__((unused)) auto& i : fields2)
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sql += "?,";
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sql.pop_back();
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sql += ") ON CONFLICT(code) DO UPDATE SET ";
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for (auto& i : fields)
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sql += i.first + "=excluded." + i.first + ',';
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for (auto& i : fields2)
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sql += i.first + "=excluded." + i.first + ',';
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sql.pop_back();
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sql += ';';
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res = sqlite3_prepare_v2(db, sql.c_str(), sql.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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int n = 1;
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for (auto& i : fields) {
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sqlite3_bind_text(stmt, n++, i.second.c_str(), -1, nullptr);
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}
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for (auto& i : fields2) {
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sqlite3_bind_double(stmt, n++, i.second);
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}
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res = sqlite3_step(stmt);
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if (res != SQLITE_DONE) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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sqlite3_finalize(stmt);
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return 1;
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}
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bool OCdb::update_log(json j) {
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// logs (uuid TEXT PRIMARY KEY, cache_code TEXT, date TEXT, user TEXT, type TEXT);"))
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std::map<std::string, std::string> fields;
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int res;
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std::string uuid = j["object_key"]["uuid"].get<std::string>();
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if (j["data"].count("cache_code") > 0 && !j["data"]["cache_code"].is_null())
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fields["cache_code"] = j["data"]["cache_code"].get<std::string>();
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if (j["data"].count("date") > 0 && !j["data"]["date"].is_null())
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fields["date"] = j["data"]["date"].get<std::string>();
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if (j["data"]["user"].count("uuid") > 0 && !j["data"]["user"]["uuid"].is_null())
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fields["user"] = j["data"]["user"]["uuid"].get<std::string>();
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if (j["data"].count("type") > 0 && !j["data"]["type"].is_null())
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fields["type"] = j["data"]["type"].get<std::string>();
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if (fields.empty())
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return 2;
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std::string sql = "INSERT INTO logs (uuid,";
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for (auto& i : fields)
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sql += i.first + ',';
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sql.pop_back();
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sql += ") VALUES ('" + uuid + "',";
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for (__attribute__((unused)) auto& i : fields)
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sql += "?,";
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sql.pop_back();
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sql += ") ON CONFLICT(uuid) DO UPDATE SET ";
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for (auto& i : fields)
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sql += i.first + "=excluded." + i.first + ',';
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sql.pop_back();
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sql += ';';
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res = sqlite3_prepare_v2(db, sql.c_str(), sql.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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int n = 1;
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for (auto& i : fields) {
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sqlite3_bind_text(stmt, n++, i.second.c_str(), -1, nullptr);
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}
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res = sqlite3_step(stmt);
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if (res != SQLITE_DONE) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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sqlite3_finalize(stmt);
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return 1;
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}
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bool OCdb::read_revision() {
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int res;
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std::string sql = "SELECT revision FROM revision;";
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res = sqlite3_prepare_v2(db, sql.c_str(), sql.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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res = sqlite3_step(stmt);
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if (res != SQLITE_ROW) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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return 0;
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}
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revision = sqlite3_column_int(stmt, 0);
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sqlite3_finalize(stmt);
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Debug(2) << "Revision: " << revision << '\n';
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return 1;
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}
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Caches OCdb::get_user_caches_not_found(std::string uuid) {
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int res;
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Caches cc;
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Cache c;
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std::string sql = "SELECT code, location FROM caches WHERE status = 'Available' AND NOT EXISTS (SELECT cache_code FROM logs WHERE cache_code = code AND type = 'Found it' and user = ?);";
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res = sqlite3_prepare_v2(db, sql.c_str(), sql.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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throw 0;
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}
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sqlite3_bind_text(stmt, 1, uuid.c_str(), -1, nullptr);
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res = sqlite3_step(stmt);
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while (res == SQLITE_ROW) {
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c.code = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 0));
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c.pos = get_lat_lon(reinterpret_cast<const char*>(sqlite3_column_text(stmt, 1)));
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cc.insert(c);
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res = sqlite3_step(stmt);
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}
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if (res != SQLITE_DONE) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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throw 0;
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}
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sqlite3_finalize(stmt);
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return cc;
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}
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Caches OCdb::get_user_caches(std::string uuid, __attribute__((unused)) int count) {
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int res;
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Caches cc;
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Cache c;
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//code TEXT PRIMARY KEY, name TEXT, location TEXT, type TEXT, status TEXT, size TEXT, difficulty REAL, terrain REAL, country TEXT, region TEXT, owner TEXT)
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std::string sql = "SELECT code, location, type, size, difficulty, terrain, country, region, owner FROM caches WHERE EXISTS (SELECT cache_code FROM logs WHERE cache_code = code AND type = 'Found it' and user = ?);";
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res = sqlite3_prepare_v2(db, sql.c_str(), sql.length() + 1, &stmt, NULL);
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if (res != SQLITE_OK) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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throw 0;
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}
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sqlite3_bind_text(stmt, 1, uuid.c_str(), -1, nullptr);
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res = sqlite3_step(stmt);
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while (res == SQLITE_ROW) {
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c.code = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 0));
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c.pos = get_lat_lon(reinterpret_cast<const char*>(sqlite3_column_text(stmt, 1)));
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c.type = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 2));
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c.size = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 3));
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c.diff = sqlite3_column_double(stmt, 4);
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c.terr = sqlite3_column_double(stmt, 5);
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// c.country = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 6));
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c.region = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 7));
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c.owner_uuid = reinterpret_cast<const char*>(sqlite3_column_text(stmt, 8)); // TODO: we don't know owner's nick
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cc.insert(c);
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res = sqlite3_step(stmt);
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}
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if (res != SQLITE_DONE) {
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Debug(1) << "Request \"" << sql << "\" failed:\n" << sqlite3_errmsg(db);
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throw 0;
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}
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// sqlite3_finalize(stmt);
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return cc;
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}
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int OCdb::get_revision() {
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return revision;
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}
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void OCdb::set_revision(int rev) {
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revision = rev;
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request("UPDATE revision SET revision = " + std::to_string(revision) + ';');
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}
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