Initial commit

src/database.c

@@ -0,0 +1,133 @@
+#include "database.h"
+
+#include <stdio.h>
+#include <sqlite3.h>
+
+sqlite3 *db;
+
+void database_connect(const char *path)
+{
+    // char *zErrMsg = 0;
+
+    int rc;
+
+    gchar *file = g_build_filename(path, "cards.db", NULL);
+    rc = sqlite3_open(file, &db);
+
+    if (rc)
+    {
+        fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
+        return;
+    }
+    else
+    {
+        fprintf(stderr, "Opened database successfully\n");
+    }
+    g_free(file);
+}
+
+void database_close()
+{
+    sqlite3_close(db);
+}
+
+void database_create_tables()
+{
+    int rc;
+    sqlite3_stmt *stmt;
+
+    char *sql = "CREATE TABLE IF NOT EXISTS `cards` ("
+                "`category`	INTEGER NOT NULL,"
+                "`task`	TEXT NOT NULL,"
+                "`solution`	TEXT NOT NULL"
+                ")";
+
+    rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
+
+    if (rc != SQLITE_OK)
+    {
+        fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
+    }
+
+    sqlite3_step(stmt);
+    sqlite3_finalize(stmt);
+
+    sql = "CREATE TABLE IF NOT EXISTS `categories` ("
+          "`id`	INTEGER NOT NULL,"
+          "`name`	TEXT NOT NULL,"
+          "PRIMARY KEY(`id` AUTOINCREMENT)"
+          ")";
+
+    rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
+
+    if (rc != SQLITE_OK)
+    {
+        fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
+    }
+
+    sqlite3_step(stmt);
+    sqlite3_finalize(stmt);
+}
+
+void database_save_category()
+{
+}
+
+GArray *database_load_categories()
+{
+    GArray *categories = g_array_new(TRUE, FALSE, sizeof(category));
+
+    int rc;
+    sqlite3_stmt *stmt;
+
+    rc = sqlite3_prepare_v2(db, "SELECT * FROM categories", -1, &stmt, 0);
+
+    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);
+        const unsigned char *temp_name = sqlite3_column_text(stmt, 1);
+
+        char *name = g_new0(char, strlen(temp_name));
+        strcpy(name, temp_name);
+        category c = {id, name};
+        g_array_append_val(categories, c);
+    }
+
+    sqlite3_finalize(stmt);
+    return categories;
+}
+
+void database_save_card(card c)
+{
+    int rc;
+    sqlite3_stmt *stmt;
+
+    fprintf(stdout, "%s: %s\n", c.task, c.solution);
+    rc = sqlite3_prepare_v2(db, "INSERT INTO cards VALUES(?, ?, ?)", -1, &stmt, 0);
+
+    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
+    {
+        fprintf(stderr, "Failed to execute statement: %s\n", sqlite3_errmsg(db));
+    }
+
+    sqlite3_step(stmt);
+    sqlite3_finalize(stmt);
+}
+
+GArray *database_load_cards()
+{
+    GArray *cards = g_array_new(TRUE, FALSE, sizeof(card));
+
+    return cards;
+}