Sophtli/flashcards
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mirror of https://gitlab.cvh-server.de/skrause/flashcards.git synced 2026-03-16 07:50:15 +01:00
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formatting, small changes

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This commit is contained in:
Sophie
2026-03-06 15:48:11 +01:00
parent 527d098aa1
commit ecf0403227
22 changed files with 563 additions and 406 deletions
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176
src/database.c
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@@ -2,51 +2,40 @@
#include <stdio.h>
sqlite3 *database_connect(const char *path)
{
int rc;
gchar *file;
sqlite3 *database_connect(const char *path) {
sqlite3 *db;
file = g_build_filename(path, "cards.db", NULL);
gchar *file = g_build_filename(path, "cards.db", NULL);
int rc = sqlite3_open(file, &db);
rc = sqlite3_open(file, &db);
if (rc)
{
if (rc) {
fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
return NULL;
}
else
{
fprintf(stderr, "Opened database successfully\n");
return nullptr;
}
fprintf(stdout, "Opened database successfully\n");
g_free(file);
database_create_tables(db);
return db;
}
void database_close(sqlite3 *db)
{
sqlite3_close(db);
}
void database_close(sqlite3 *db) { sqlite3_close(db); }
void database_create_tables(sqlite3 *db)
{
int rc;
void database_create_tables(sqlite3 *db) {
sqlite3_stmt *stmt;
const char *sql;
sql = "CREATE TABLE IF NOT EXISTS `cards` ("
"`category` INTEGER NOT NULL,"
"`task` TEXT NOT NULL,"
"`solution` TEXT NOT NULL"
")";
const char *sql = "CREATE TABLE IF NOT EXISTS `cards` ("
"`id` INTEGER NOT NULL,"
"`category` INTEGER NOT NULL,"
"`task` TEXT NOT NULL,"
"`solution` TEXT NOT NULL,"
"PRIMARY KEY(`id` AUTOINCREMENT)"
")";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
int rc = sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr);
if (rc != SQLITE_OK)
{
if (rc != SQLITE_OK) {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
@@ -59,10 +48,9 @@ void database_create_tables(sqlite3 *db)
"PRIMARY KEY(`id` AUTOINCREMENT)"
")";
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, nullptr);
if (rc != SQLITE_OK)
{
if (rc != SQLITE_OK) {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
@@ -70,75 +58,86 @@ void database_create_tables(sqlite3 *db)
sqlite3_finalize(stmt);
}
void database_save_category(sqlite3 *db, const char *c)
{
int rc;
void database_save_category(sqlite3 *db, const char *c) {
sqlite3_stmt *stmt;
fprintf(stdout, "%s\n", c);
rc = sqlite3_prepare_v2(db, "INSERT INTO categories (name) VALUES(?)", -1, &stmt, 0);
int rc = sqlite3_prepare_v2(db, "INSERT INTO categories (name) VALUES(?)", -1, &stmt, nullptr);
if (rc == SQLITE_OK)
{
if (rc == SQLITE_OK) {
sqlite3_bind_text(stmt, 1, c, -1, SQLITE_STATIC);
}
else
{
} else {
printf("Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
rc = sqlite3_step(stmt);
if (rc != SQLITE_OK)
{
if (rc != SQLITE_OK) {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
sqlite3_finalize(stmt);
}
GArray *database_load_categories(sqlite3 *db)
{
GArray *categories;
int rc;
GArray *database_load_categories(sqlite3 *db) {
sqlite3_stmt *stmt;
categories = g_array_new(TRUE, FALSE, sizeof(category));
GArray *categories = g_array_new(TRUE, FALSE, sizeof(category));
int rc = sqlite3_prepare_v2(db, "SELECT * FROM categories", -1, &stmt, nullptr);
rc = sqlite3_prepare_v2(db, "SELECT * FROM categories", -1, &stmt, 0);
if (rc != SQLITE_OK)
{
if (rc != SQLITE_OK) {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
while (sqlite3_step(stmt) == SQLITE_ROW)
{
int id = sqlite3_column_int(stmt, 0);
char *name = strdup((const char *)sqlite3_column_text(stmt, 1));
category c = {id, name};
while (sqlite3_step(stmt) == SQLITE_ROW) {
category c;
c.id = sqlite3_column_int(stmt, 0);
c.name = strdup((char *) sqlite3_column_text(stmt, 1));
g_array_append_val(categories, c);
}
sqlite3_finalize(stmt);
return categories;
}
void database_save_card(sqlite3 *db, card c)
{
int rc;
void database_delete_category(sqlite3 *db, const int id) {
// delete all cards in the category
sqlite3_stmt *stmt;
int rc = sqlite3_prepare_v2(db, "DELETE FROM cards WHERE category = ?", -1, &stmt, nullptr);
if (rc == SQLITE_OK) {
sqlite3_bind_int(stmt, 1, id);
} else {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
rc = sqlite3_step(stmt);
if (rc != SQLITE_OK) {
fprintf(stderr, "Execution failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_finalize(stmt);
// delete the category
rc = sqlite3_prepare_v2(db, "DELETE FROM categories WHERE id = ?", -1, &stmt, nullptr);
if (rc == SQLITE_OK) {
sqlite3_bind_int(stmt, 1, id);
} else {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
rc = sqlite3_step(stmt);
if (rc != SQLITE_OK) {
fprintf(stderr, "Execution failed: %s\n", sqlite3_errmsg(db));
}
sqlite3_finalize(stmt);
}
void database_save_card(sqlite3 *db, card c) {
sqlite3_stmt *stmt;
fprintf(stdout, "%s: %s\n", c.task, c.solution);
rc = sqlite3_prepare_v2(db, "INSERT INTO cards VALUES(?, ?, ?)", -1, &stmt, 0);
int rc = sqlite3_prepare_v2(db, "INSERT INTO cards VALUES(?, ?, ?)", -1, &stmt, nullptr);
if (rc == SQLITE_OK)
{
if (rc == SQLITE_OK) {
sqlite3_bind_int(stmt, 0, c.category);
sqlite3_bind_text(stmt, 1, c.task, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 2, c.solution, -1, SQLITE_STATIC);
}
else
{
} else {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
@@ -146,11 +145,40 @@ void database_save_card(sqlite3 *db, card c)
sqlite3_finalize(stmt);
}
GArray *database_load_cards(sqlite3 *db)
{
GArray *cards;
GArray *database_load_cards(sqlite3 *db, int category) {
GArray *cards = g_array_new(TRUE, FALSE, sizeof(card));
cards = g_array_new(TRUE, FALSE, sizeof(card));
sqlite3_stmt *stmt;
int rc = sqlite3_prepare_v2(db, "SELECT * FROM cards WHERE category = ?", -1, &stmt, nullptr);
if (rc == SQLITE_OK) {
sqlite3_bind_int(stmt, 1, category);
} else {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
while (sqlite3_step(stmt) == SQLITE_ROW) {
card c;
c.id = sqlite3_column_int(stmt, 0);
c.category = sqlite3_column_int(stmt, 1);
c.task = strdup((char *) sqlite3_column_text(stmt, 2));
c.solution = strdup((char *) sqlite3_column_text(stmt, 3));
g_array_append_val(cards, c);
}
sqlite3_finalize(stmt);
return cards;
}
}
void database_delete_card(sqlite3 *db, const int id) {
sqlite3_stmt *stmt;
int rc = sqlite3_prepare_v2(db, "DELETE FROM cards WHERE id = ?", -1, &stmt, nullptr);
if (rc == SQLITE_OK) {
sqlite3_bind_int(stmt, 1, id);
} else {
fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
}
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}