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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <glib/gprintf.h>
#include "db.h"
sqlite3 *db = NULL;
void db_close();
static int db_create_tables() {
char *errmsg;
int rc;
rc = sqlite3_exec(db,
"create table directory ("
" id integer not null,"
" parent integer null,"
" name varchar(255),"
" primary key (id)"
");"
"create table wallpaper ("
" id integer not null,"
" dirid integer not null,"
" filepath text not null,"
" size integer not null,"
" width integer not null,"
" height integer not null,"
" primary key (id)"
");"
"create table tag ("
" id integer not null,"
" name varchar(100) not null,"
" primary key (id)"
");"
"create table walltags ("
" wallid integer not null,"
" tagid integer not null,"
" primary key (wallid, tagid)"
");",
NULL, NULL, &errmsg);
if(rc != SQLITE_OK) {
fprintf(stderr, "db_create_tables failed: %s\n", errmsg);
sqlite3_free(errmsg);
return 0;
}
return 1;
}
int db_open() {
int rc;
int configfound;
char *dbfile;
char *configdir;
configdir = g_strdup_printf("%s/walls", g_get_user_config_dir());
if(access(configdir, F_OK) == -1 && g_mkdir_with_parents(configdir, 0700) == -1) {
g_free(configdir);
return 0;
}
g_free(configdir);
dbfile = g_strdup_printf("%s/walls/db", g_get_user_config_dir());
printf("db file: %s\n", dbfile);
configfound = access(dbfile, F_OK) == 0;
rc = sqlite3_open(dbfile, &db);
g_free(dbfile);
if(rc != SQLITE_OK) {
return 0;
}
if(!configfound && !db_create_tables()) {
db_close();
return 0;
}
return 1;
}
void db_close() {
if(db) {
sqlite3_close(db);
db = NULL;
}
}
sqlite_uint64 db_add_directory(const char *path, sqlite_uint64 parent) {
sqlite3_stmt *stmt;
int rc;
if(parent) {
rc = sqlite3_prepare_v2(db, "INSERT INTO directory (name, parent) VALUES (?, ?)", -1, &stmt, NULL);
} else {
rc = sqlite3_prepare_v2(db, "INSERT INTO directory (name) VALUES (?)", -1, &stmt, NULL);
}
if(rc != SQLITE_OK) {
return 0;
}
rc = sqlite3_bind_text(stmt, 1, path, -1, SQLITE_STATIC);
if(rc != SQLITE_OK) {
return 0;
}
if(parent) {
rc = sqlite3_bind_int(stmt, 2, parent);
if(rc != SQLITE_OK) {
return 0;
}
}
rc = sqlite3_step(stmt);
sqlite3_finalize(stmt);
if(rc == SQLITE_DONE) {
return sqlite3_last_insert_rowid(db);
} else {
return 0;
}
}
sqlite_uint64 db_get_directory(const char *path) {
sqlite3_stmt *stmt;
int rc;
sqlite_uint64 dirid;
rc = sqlite3_prepare_v2(db, "SELECT id FROM directory WHERE name = ? LIMIT 1", -1, &stmt, NULL);
if(rc != SQLITE_OK) {
return 0;
}
rc = sqlite3_bind_text(stmt, 1, path, -1, SQLITE_STATIC);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_step(stmt);
if(rc == SQLITE_ROW) {
dirid = sqlite3_column_int64(stmt, 0);
sqlite3_finalize(stmt);
return dirid;
}
sqlite3_finalize(stmt);
return 0;
}
int db_get_top_level_directories(GArray **array) {
struct directory_t temp, *temp2;
sqlite3_stmt *stmt;
int rc;
rc = sqlite3_prepare_v2(db, "SELECT id, name FROM directory WHERE parent ISNULL ORDER BY name", -1, &stmt, NULL);
if(rc != SQLITE_OK) {
return 0;
}
*array = g_array_new(TRUE, FALSE, sizeof(struct directory_t));
while((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
temp.name = g_strdup(sqlite3_column_text(stmt, 1));
temp.dirid = sqlite3_column_int64(stmt, 0);
g_array_append_val(*array, temp);
}
sqlite3_finalize(stmt);
if(rc != SQLITE_DONE) {
for(int i = 0; (*array)->len; i++) {
temp2 = &g_array_index(*array, struct directory_t, i);
g_free(temp2->name);
}
g_array_free(*array, TRUE);
return 0;
}
return 1;
}
int db_get_directories(sqlite_uint64 parent, GArray **array) {
struct directory_t temp, *temp2;
sqlite3_stmt *stmt;
int rc;
rc = sqlite3_prepare_v2(db, "SELECT id, name FROM directory WHERE parent = ? ORDER BY name", -1, &stmt, NULL);
if(rc != SQLITE_OK) {
return 0;
}
rc = sqlite3_bind_int64(stmt, 1, parent);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
*array = g_array_new(TRUE, FALSE, sizeof(struct directory_t));
while((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
temp.name = g_strdup(sqlite3_column_text(stmt, 1));
temp.dirid = sqlite3_column_int64(stmt, 0);
g_array_append_val(*array, temp);
}
sqlite3_finalize(stmt);
if(rc != SQLITE_DONE) {
for(int i = 0; i < (*array)->len; i++) {
temp2 = &g_array_index(*array, struct directory_t, i);
g_free(temp2->name);
}
g_array_free(*array, TRUE);
return 0;
}
return 1;
}
sqlite_uint64 db_add_wallpaper(const char *filepath, sqlite_uint64 dirid, int size, int width, int height) {
sqlite3_stmt *stmt;
int rc;
rc = sqlite3_prepare_v2(db, "INSERT INTO wallpaper (dirid, filepath, size, width, height) VALUES (?, ?, ?, ?, ?)", -1, &stmt, NULL);
if(rc != SQLITE_OK) {
return 0;
}
rc = sqlite3_bind_int64(stmt, 1, dirid);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_bind_text(stmt, 2, filepath, -1, SQLITE_STATIC);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_bind_int(stmt, 3, size);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_bind_int(stmt, 4, width);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_bind_int(stmt, 5, height);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
rc = sqlite3_step(stmt);
sqlite3_finalize(stmt);
if(rc == SQLITE_DONE) {
return sqlite3_last_insert_rowid(db);
} else {
return 0;
}
}
int db_get_wallpapers(sqlite_uint64 dirid, GArray **array) {
struct wallpaper_t temp, *temp2;
sqlite3_stmt *stmt;
int rc;
rc = sqlite3_prepare_v2(db, "SELECT id, filepath, size, width, height FROM wallpaper WHERE dirid = ? ORDER BY filepath", -1, &stmt, NULL);
if(rc != SQLITE_OK) {
return 0;
}
rc = sqlite3_bind_int64(stmt, 1, dirid);
if(rc != SQLITE_OK) {
sqlite3_finalize(stmt);
return 0;
}
*array = g_array_new(TRUE, FALSE, sizeof(struct wallpaper_t));
while((rc = sqlite3_step(stmt)) == SQLITE_ROW) {
temp.filepath = g_strdup(sqlite3_column_text(stmt, 1));
temp.id = sqlite3_column_int64(stmt, 1);
temp.size = sqlite3_column_int(stmt, 2);
temp.width = sqlite3_column_int(stmt, 3);
temp.height = sqlite3_column_int(stmt, 4);
g_array_append_val(*array, temp);
}
sqlite3_finalize(stmt);
if(rc != SQLITE_DONE) {
for(int i = 0; i < (*array)->len; i++) {
temp2 = &g_array_index(*array, struct wallpaper_t, i);
g_free(temp2->filepath);
}
return 0;
}
return 1;
}
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