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#include "dbhandling.h"
#include "enum.h"
void exit_with_error(sqlite3 *db, const char *msg)
{
fprintf(stderr, "%s: %s\n", msg, sqlite3_errmsg(db));
sqlite3_close(db);
exit(69);
}
/*
TODO: write function for preparing the statement
Should take entry_t *entry, args_e target (,args_e mode?)
I already differentiate the mode in main, so passing it here
would be redundant. Find another solution.
*/
/*POSSIBLE OTHER SOLUTION:
TODO: try to get rid of args_e target and args_e mode and instead
use a flag. 3 possible tables with 3 different modes = 9 bits. Maybe
do 16bits in preparation for additional modes and tables. Not sure how
to go about setting them, though... that will be one hell of an
if-else block, lmao.
*/
void select_from_table(sqlite3 *db, args_e target, entry_t *entry)
{
char *sql;
int rc;
int found = 0;
const unsigned char *name, *author, *value, *status;
const char *type;
printf("Name: ");
fgets(entry->name, MAX_NAME_LEN, stdin);
// remove newline char, otherwise it messes with the query
entry->name[strcspn(entry->name, "\n")] = 0;
char *query_param = malloc(strlen(entry->name));
switch (target) {
case ANIME:
type = "Episode";
sql = "SELECT * FROM anime WHERE name LIKE ?1 ORDER BY id;";
break;
case MANGA:
type = "Chapter";
sql = "SELECT * FROM manga WHERE name LIKE ?1 ORDER BY id;";
break;
case BOOK:
type = "Chapter";
sql = "SELECT * FROM book WHERE name LIKE ?1 OR author LIKE ?1 ORDER BY id;";
break;
default:
fprintf(stderr, "table does not exist...\n");
sqlite3_close(db);
exit(69);
}
sqlite3_stmt *stmt;
snprintf(query_param, strlen(entry->name) + 2, "%s%%", entry->name);
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
if (rc != SQLITE_OK) {
exit_with_error(db, "failure fetching data: ");
}
sqlite3_bind_text(stmt, 1, query_param, -1, SQLITE_TRANSIENT);
if (target == BOOK) {
while(sqlite3_step(stmt) == SQLITE_ROW) {
name = sqlite3_column_text(stmt, 1);
author = sqlite3_column_text(stmt, 2);
value = sqlite3_column_text(stmt, 3);
status = sqlite3_column_text(stmt, 4);
printf("%s - %s, %s %s, %s\n", author, name, type, value, status);
found = 1;
}
} else {
while(sqlite3_step(stmt) == SQLITE_ROW) {
name = sqlite3_column_text(stmt, 1);
value = sqlite3_column_text(stmt, 2);
status = sqlite3_column_text(stmt, 3);
printf("%s, %s %s, %s\n", name, type, value, status);
found = 1;
}
}
if (!found) {
printf("no entry found...\n");
}
sqlite3_finalize(stmt);
free(query_param);
}
void update_entry(sqlite3 *db, args_e target, entry_t *entry)
{
char *sql;
int rc;
int res;
sqlite3_stmt *stmt;
printf("Name: ");
fgets(entry->name, MAX_NAME_LEN, stdin);
entry->name[strcspn(entry->name, "\n")] = 0;
// status is currently never NULL, so the if-else makes no sense
// would be addressed by the TODO: switching to flags
// i'll just keep it as is for now...
switch (target) {
case ANIME:
printf("Episode: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
if (entry->status == NULL) {
sql = "UPDATE anime SET episode=?1 WHERE name=?2;";
} else {
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "UPDATE anime SET episode=?1, status=?2 WHERE name=?3;";
}
break;
case MANGA:
printf("Chapter: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
if (entry->status == NULL) {
sql = "UPDATE manga SET chapter=?1 WHERE name=?2;";
} else {
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "UPDATE manga SET chapter=?1, status=?2 WHERE name=?3;";
}
break;
case BOOK:
printf("Chapter: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
if (entry->status == NULL) {
sql = "UPDATE book SET chapter=?1 WHERE name=?2;";
} else {
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "UPDATE book SET chapter=?1, status=?2 WHERE name=?3;";
}
break;
default:
fprintf(stderr, "table does not exist...\n");
sqlite3_close(db);
exit(69);
}
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
if (rc != SQLITE_OK) {
exit_with_error(db, "failure fetching data: ");
}
if (entry->status == NULL) {
sqlite3_bind_text(stmt, 1, entry->value, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 2, entry->name, -1, SQLITE_STATIC);
} else {
sqlite3_bind_text(stmt, 1, entry->value, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 2, entry->status, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 3, entry->name, -1, SQLITE_STATIC);
}
rc = sqlite3_step(stmt);
res = sqlite3_changes(db);
if (!res) {
printf("no entry found...\n");
}
sqlite3_finalize(stmt);
}
void add_entry(sqlite3 *db, args_e target, entry_t *entry)
{
char *sql;
int rc;
sqlite3_stmt *stmt;
printf("Name: ");
fgets(entry->name, MAX_NAME_LEN, stdin);
entry->name[strcspn(entry->name, "\n")] = 0;
switch (target) {
case ANIME:
printf("Episode: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "INSERT INTO anime (name, episode, status) VALUES (?1, ?2, ?3);";
break;
case MANGA:
printf("Chapter: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "INSERT INTO manga (name, chapter, status) VALUES (?1, ?2, ?3);";
break;
case BOOK:
printf("Author: ");
fgets(entry->author, MAX_AUTHOR_LEN, stdin);
entry->author[strcspn(entry->author, "\n")] = 0;
printf("Chapter: ");
fgets(entry->value, MAX_VALUE_LEN, stdin);
entry->value[strcspn(entry->value, "\n")] = 0;
printf("Status: ");
fgets(entry->status, MAX_STATUS_LEN, stdin);
entry->status[strcspn(entry->status, "\n")] = 0;
sql = "INSERT INTO book (name, author, chapter, status) VALUES (?1, ?2, ?3, ?4);";
break;
default:
fprintf(stderr, "table does not exist...\n");
sqlite3_close(db);
exit(69);
}
rc = sqlite3_prepare_v2(db, sql, -1, &stmt, 0);
if (rc != SQLITE_OK) {
exit_with_error(db, "failure fetching data: ");
}
if (target == BOOK) {
sqlite3_bind_text(stmt, 1, entry->name, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 2, entry->author, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 3, entry->value, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 4, entry->status, -1, SQLITE_STATIC);
} else {
sqlite3_bind_text(stmt, 1, entry->name, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 2, entry->value, -1, SQLITE_STATIC);
sqlite3_bind_text(stmt, 3, entry->status, -1, SQLITE_STATIC);
}
rc = sqlite3_step(stmt);
printf("Entry %s added!\n", entry->name);
sqlite3_finalize(stmt);
}
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