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#define DBFILE "probotic_data.sqlite"
#define stmt_prepare(stmt) \
sqlite3_prepare_v2(connection, stmt ## _template, -1, &stmt, NULL)
VARDECL char const * db = DBFILE;
VARDECL sqlite3 * connection = NULL;
DECL void DBERR(const int l){
if(l != SQLITE_OK && l != SQLITE_ROW && l != SQLITE_DONE)
{
fprintf(stderr,
"sqlite (%d): %s\n",
sqlite3_errcode(connection), sqlite3_errmsg(connection));
exit(DB_ERROR);
}
}
DECL int
api_init(void)
{
DBERR(sqlite3_open_v2(db, &connection, SQLITE_OPEN_READWRITE, NULL));
// dont you fucking dare to remove this spacing
DBERR(stmt_prepare(remind_stmt));
DBERR(stmt_prepare(set_repo_stmt));
DBERR(stmt_prepare(get_nth_id_stmt));
DBERR(stmt_prepare(new_assignment_stmt));
DBERR(stmt_prepare(purge_assignments_stmt));
DBERR(stmt_prepare(is_no_assignment_stmt));
return 0;
}
DECL void
api_rope(void)
{
DBERR(sqlite3_finalize(remind_stmt));
DBERR(sqlite3_finalize(set_repo_stmt));
DBERR(sqlite3_finalize(get_nth_id_stmt));
DBERR(sqlite3_finalize(new_assignment_stmt));
DBERR(sqlite3_finalize(purge_assignments_stmt));
DBERR(sqlite3_finalize(is_no_assignment_stmt));
sqlite3_close(connection);
}
DECL void
rope(void)
{
if (session)
{ irc_destroy_session(session); }
api_rope();
}
DECL char *
remind(char * who)
{
char * r;
char * title;
char * desc;
char * repo;
DBERR(sqlite3_reset(remind_stmt));
DBERR(sqlite3_bind_text(remind_stmt, 1, who, -1, SQLITE_STATIC));
const int i = sqlite3_step(remind_stmt);
DBERR(i);
if (i == SQLITE_ROW)
{
title = (char *) sqlite3_column_text(remind_stmt, 0);
title = strdup(title);
desc = (char *) sqlite3_column_text(remind_stmt, 1);
if (desc) { desc = strdup(desc); } else { desc = ""; }
repo = (char *) sqlite3_column_text(remind_stmt, 3);
if (repo) { repo = strdup(repo); } else { repo = "<no link available>"; }
asprintf(&r,
IRC_RED "%s: " IRC_YELLOW "%s" IRC_GREEN
" (@" IRC_BLUE "%s" IRC_GREEN ")" IRC_STOP,
title, desc, repo);
}
else
{
r = strdup(IRC_RED "No current assignment." IRC_STOP);
}
return r;
}
DECL void
set_repo(char const * const who,
char const * const link)
{
DBERR(sqlite3_reset(set_repo_stmt));
DBERR(sqlite3_bind_text(set_repo_stmt, 1, link, -1, SQLITE_STATIC));
DBERR(sqlite3_bind_text(set_repo_stmt, 2, who, -1, SQLITE_STATIC));
DBERR(sqlite3_step(set_repo_stmt));
}
DECL int
rtos(void * data,
int argc,
char** argv,
char** colname
){
(void) colname;
char ** r = (char**)data;
size_t data_len = 0;
for(int i = 0; i < argc; i++)
{
if(argv[i])
{
data_len += strlen(argv[i]);
}
else
{
/* strlen("NULL") == 4 */
data_len += 4;
}
/* strlen("|") * 2 == 2 */
data_len += 2;
}
++data_len;
*r = (char *)calloc(data_len, sizeof(char));
for(int i = 0; i < argc; i++){
strcat(*r, "|");
if(argv[i]){
strcat(*r, argv[i]);
}
else
{
strcat(*r, "NULL");
}
}
strcat(*r, "|\n");
return 0;
}
DECL char *
dump()
{
char* errmsg;
char* r = NULL;
DBERR(sqlite3_exec(connection, dump_stmt, rtos, &r, &errmsg));
return r;
}
DECL char *
raw(char const * const sql)
{
char* errmsg;
char *r = NULL;
sqlite3_exec(connection, sql, rtos, &r, &errmsg);
if (errmsg){
free(r);
r = errmsg;
} else { strcat(r, "\00"); }
return r;
}
DECL int
get_project_count_callback(void* data, int argc, char** argv, char** colname)
{
(void)argc;
(void)colname;
int* count = (int*)data;
*count = atoi(argv[0]);
return 0;
}
DECL int
get_project_count()
{
int r = 0;
char const * sql = "SELECT COUNT(*) FROM project;";
DBERR(sqlite3_exec(connection, sql, get_project_count_callback, &r, NULL));
return r;
}
DECL int
get_nth_id(const int i)
{
int r;
DBERR(sqlite3_reset(get_nth_id_stmt));
DBERR(sqlite3_bind_int(get_nth_id_stmt, 1, i));
DBERR(sqlite3_step(get_nth_id_stmt));
r = sqlite3_column_int(get_nth_id_stmt, 0);
return r;
}
DECL void
new_assignment(char const * const who, const int project)
{
DBERR(sqlite3_reset(new_assignment_stmt));
DBERR(sqlite3_bind_text(new_assignment_stmt, 1, who, -1, SQLITE_STATIC));
DBERR(sqlite3_bind_int(new_assignment_stmt, 2, project));
DBERR(sqlite3_step(new_assignment_stmt));
}
DECL void
random_assign(char const * const who)
{
int i = rand() % get_project_count();
i = get_nth_id(i);
new_assignment(who, i);
}
DECL void
purge_assignments(char const * const who)
{
DBERR(sqlite3_reset(purge_assignments_stmt));
DBERR(sqlite3_bind_text(purge_assignments_stmt, 1, who, -1, SQLITE_STATIC));
DBERR(sqlite3_step(purge_assignments_stmt));
}
DECL int
is_no_assignment(char const * const who){
DBERR(sqlite3_reset(is_no_assignment_stmt));
DBERR(sqlite3_bind_text(is_no_assignment_stmt, 1, who, -1, SQLITE_STATIC));
const int e = sqlite3_step(is_no_assignment_stmt);
DBERR(e);
return (e == SQLITE_DONE);
}
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