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migrate to c++, all layers done except for data access

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odweta
2026-08-13 21:32:30 +02:00
parent 4389466d40
commit 3b8c6f00f5
25 changed files with 228 additions and 242 deletions
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cli/.gitignore
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### IntelliJ IDEA ###
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Kotlin ###
.kotlin
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store
cli/.idea/.gitignore
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# Default ignored files
/shelf/
/workspace.xml
cli/.idea/codeStyles/Project.xml
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<component name="ProjectCodeStyleConfiguration">
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<JetCodeStyleSettings>
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cli/.idea/codeStyles/codeStyleConfig.xml
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<component name="ProjectCodeStyleConfiguration">
<state>
<option name="USE_PER_PROJECT_SETTINGS" value="true" />
</state>
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cli/.idea/inspectionProfiles/Project_Default.xml
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<component name="InspectionProjectProfileManager">
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<inspection_tool class="ReplaceUntilWithRangeUntil" enabled="true" level="WEAK WARNING" enabled_by_default="true" />
</profile>
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cli/.idea/kotlinc.xml
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
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<option name="jvmTarget" value="1.8" />
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<option name="apiVersion" value="2.4" />
<option name="languageVersion" value="2.4" />
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cli/.idea/libraries/KotlinJavaRuntime.xml
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cli/.idea/misc.xml
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cli/.idea/modules.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<module fileurl="file://$PROJECT_DIR$/cli.iml" filepath="$PROJECT_DIR$/cli.iml" />
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cli/.idea/vcs.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
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cli/cli.iml
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<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
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</module>
cli/dao.cpp
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#include <cstdlib>
#include <vector>
#include "include/dao.h"
using namespace std;
void Dao::populate_env() {
this->api_key = getenv("FRONTEND_API_KEY");
this->db_url = getenv("DB_URL");
}
ticket_t Dao::fetch_ticket_create(string title, string description) {
}
vector<ticket_t> Dao::fetch_ticket_get_all() {
}
vector<ticket_t> Dao::fetch_ticket_get_by_status(string status) {
}
ticket_t Dao::fetch_ticket_get_by_id(unsigned long id) {
}
cli/handler.cpp
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#include <string>
#include <vector>
#include "include/handler.h"
#include "include/printer.h"
#include "include/dao.h"
using namespace std;
/** TODO: error propagation?? (now always returns 0) */
int handle_create(Dao *dao, string title, string description) {
ticket_t t = dao->fetch_ticket_create(title, description);
vector<ticket_t> tickets;
tickets.push_back(t);
print_tickets(tickets);
return 0;
}
int handle_list(Dao *dao) {
vector<ticket_t> tickets = dao->fetch_ticket_get_all();
print_tickets(tickets);
return 0;
}
int handle_list(Dao *dao, string status) {
vector<ticket_t> tickets = dao->fetch_ticket_get_by_status(status);
print_tickets(tickets);
return 0;
}
int handle_detail(Dao *dao, unsigned long id) {
ticket_t t = dao->fetch_ticket_get_by_id(id);
vector<ticket_t> tickets;
tickets.push_back(t);
print_tickets(tickets);
return 0;
}
cli/include/dao.h
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#ifndef DAO_H
#define DAO_H
#include <string>
#include <vector>
#include "ticket.h"
using namespace std;
class Dao {
public:
string api_key;
string db_url;
void populate_env();
ticket_t fetch_ticket_create(string title, string description);
vector<ticket_t> fetch_ticket_get_all();
vector<ticket_t> fetch_ticket_get_by_status(string status);
ticket_t fetch_ticket_get_by_id(unsigned long id);
};
#endif // DAO_H
cli/include/handler.h
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#ifndef HANDLER_H
#define HANDLER_H
#include <string>
#include "dao.h"
using namespace std;
int handle_create(Dao *dao, string title, string description);
int handle_list(Dao *dao);
int handle_list(Dao *dao, string status);
int handle_detail(Dao *dao, unsigned long id);
#endif // HANDLER_H
cli/include/parser.h
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#ifndef PARSER_H
#define PARSER_H
#include "dao.h"
int parse_args(Dao *dao, int argc, char *argv[]);
#endif // PARSER_H
cli/include/printer.h
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#ifndef PRINTER_H
#define PRINTER_H
#include <vector>
#include "ticket.h"
using namespace std;
void print_tickets(vector<ticket_t> tickets);
#endif // PRINTER_H
cli/include/ticket.h
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#ifndef TICKET_H
#define TICKET_H
#include <string>
#include <ctime>
using namespace std;
typedef struct {
unsigned long id;
string title;
string description;
string status;
string created_at;
string updated_at;
} ticket_t;
#endif // TICKET_H
cli/main.cpp
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#include "include/parser.h"
#include "include/dao.h"
int main(int argc, char *argv[], char *envp[]) {
Dao *dao = new Dao();
dao->populate_env();
int retval = parse_args(dao, argc, argv);
delete dao;
}
cli/parser.cpp
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#include <cstring>
#include <iostream>
#include <stdlib.h>
#include <string>
#include "include/parser.h"
#include "include/handler.h"
using namespace std;
void show_usage() {
cout << "usage:\n"
"these env vars have to be set: FRONTEND_API_KEY, DB_URL"
"tickets create <title> <description>\n"
"tickets list [-status <status>]\n"
"tickets detail <id>" << endl;
}
#define show_usage_and_die() show_usage(); return 1;
int parse_args(Dao *dao, int argc, char *argv[]) {
if (argc == 1) { // not enough args
show_usage_and_die();
}
if (strcmp(argv[1], "create") == 0) { // creating a ticket
if (argc != 4) {
show_usage_and_die();
}
return handle_create(dao, argv[2], argv[3]); // title and description
}
if (strcmp(argv[1], "list") == 0) { // listing tickets (optional filter by status)
if (argc != 2 || argc != 4) {
show_usage_and_die();
}
if (argc == 4) {
if (strcmp(argv[2], "-status") == 0) {
return handle_list(dao, argv[3]); // the status text
}
}
// now we know that argc == 2
// -> handle list (get all tickets)
return handle_list(dao);
}
if (strcmp(argv[1], "detail") == 0) {
if (argc != 3) {
show_usage_and_die();
}
int ticket_id = atoi(argv[2]);
return handle_detail(dao, ticket_id); // ticket id
}
return 0;
}
cli/printer.cpp
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#include <iostream>
#include "include/printer.h"
void print_tickets(vector<ticket_t> tickets) {
for (ticket_t t : tickets) {
cout << "/------+-------\n"
"|Ticket| id: " << t.id << "\n"
"+------/ title: " << t.title << "\n"
"| description: " << t.description << "\n"
"| status: " << t.status << "\n"
"| created at: " << t.created_at << "\n"
"| updated at: " << t.updated_at << "\n"
"\\--------------" << endl;
}
}
cli/src/Main.kt
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/**
* TICKETS
*
* a Linux cli for the mini ticket system written in C
* features:
* - create a ticket
* `tickets create <title> <description>`
* - list all tickets (or filter by status)
* `tickets list --status=(open|in_progress|closed)`
* - detail of one ticket
* `tickets detail <id>`
*/
fun showUsage() {
println("usage:\n" +
" tickets create <title> <description>\n" +
" tickets list --status (open|in_progress|closed)\n" +
" tickets detail <id>\n")
}
fun parseCreate(title: String, description: String) {
println("CREATE: creating a ticket with\n" +
"title='$title'\n" +
"description='$description'")
}
fun parseList(status: String) {
println("LIST: listing items with status '$status'")
}
fun parseDetail(id: Int) {
println("ID: the id i got is $id\ngoodbye!")
}
fun main(args: Array<String>) {
// only program name
if (args.isEmpty()) {
showUsage()
return
} // args.size > 1
// status filter or no filter
if (args[0] == "list") {
if (args.size >= 3 && args[1] == "--status") {
parseList(args[2])
} else {
parseList("")
}
return
}
if (args.size >= 2 && args[0] == "detail") {
val id = args[1].toIntOrNull()
if (id == null) {
showUsage()
return
} else {
parseDetail(id)
}
return
}
if (args.size >= 3 && args[0] == "create") {
parseCreate(args[1], args[2])
} else {
showUsage()
return
}
}
cli/src/Ticket.kt
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import java.util.Date
/** ticket model */
data class Ticket(
val title: String,
val description: String,
val status: String,
val createdAt: Date,
val updatedAt: Date
)
cli/test/ArgsParseTest.kt
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import org.junit.jupiter.api.Assertions.*
import org.junit.jupiter.api.Test
class ArgsParseTest {
@Test
fun parseCreate() {
}
@Test
fun parseList() {
}
@Test
fun parseDetail() {
}
}
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