iu9-ca-web-chat/src/web_chat/initialize.cpp

95 lines
4.0 KiB
C++

#include "actions.h"
#include <engine_engine_number_9/baza_throw.h>
#include "str_fields_check.h"
#include <sqlite3.h>
#include <engine_engine_number_9/os_utils.h>
#include <find_db.h>
#include <unistd.h>
#include <assert.h>
void sqlite_single_statement(sqlite3* db_hand, const std::string& req_statement) {
sqlite3_stmt* stmt_obj = NULL;
int ret = sqlite3_prepare_v2(db_hand, req_statement.c_str(), -1, &stmt_obj, NULL);
een9_ASSERT(ret == 0, "Can't compile request expression");
assert(sqlite3_errcode(db_hand) == SQLITE_OK);
struct Guard1{sqlite3_stmt*& r; ~Guard1(){if (sqlite3_finalize(r) != 0) {abort();}}} guard1{stmt_obj};
while (true) {
ret = sqlite3_step(stmt_obj);
if (ret == SQLITE_DONE)
break;
if (ret != SQLITE_ROW) {
printf("sqlite_row error!!!\n");
printf("%s\n", sqlite3_errmsg(db_hand));
break;
}
int cc = sqlite3_column_count(stmt_obj);
std::vector<int> types(cc);
for (int i = 0; i < cc; i++) {
types[i] = sqlite3_column_type(stmt_obj, i);
}
printf("Column: |");
for (int i = 0; i < cc; i++) {
switch (types[i]) {
#define ccase(tname) case SQLITE_ ## tname: printf(" " #tname " |"); break;
ccase(INTEGER)
ccase(FLOAT)
ccase(BLOB)
ccase(NULL)
case SQLITE3_TEXT:
printf(" TEXT |"); break;
default:
een9_THROW("AAAAAA");
}
}
printf("\n");
printf("Values: | ");
for (int i = 0; i < cc; i++) {
if (types[i] == SQLITE_INTEGER) {
printf("%ld | ", sqlite3_column_int64(stmt_obj, i));
} else if (types[i] == SQLITE_FLOAT) {
printf("%lf | ", sqlite3_column_double(stmt_obj, i));
} else if (types[i] == SQLITE_BLOB) {
const void* blob = sqlite3_column_blob(stmt_obj, i);
een9_ASSERT(sqlite3_errcode(db_hand) == SQLITE_OK, "oom in sqlite3_column_blob");
size_t sz = sqlite3_column_bytes(stmt_obj, i);
printf("Blob of size %s | ", sz);
} else if (types[i] == SQLITE_NULL) {
printf("NULL | ");
} else {
const unsigned char* text = sqlite3_column_text(stmt_obj, i);
een9_ASSERT(sqlite3_errcode(db_hand) != SQLITE_NOMEM, "oom in sqlite3_column_text");
printf("%s | ", (const char*)text);
// todo: THIS F. B.S. IS NOT SAFE
}
}
printf("\n");
}
printf("Request steps are done\n");
}
void initialize_website(const json::JSON& config, const std::string& root_pw) {
printf("Initialization...\n");
een9_ASSERT(check_password(root_pw), "Bad root password");
std::string db_path;
int ret;
ret = find_db_sqlite_file_path(config, db_path);
een9_ASSERT(ret == 0, "Invalid settings[\"database\"] field");
if (een9::isRegularFile(db_path)) {
// todo: plaese, don't do this
ret = unlink(db_path.c_str());
een9_ASSERT_pl(ret == 0);
}
een9_ASSERT(!een9::isRegularFile(db_path), "Database file exists prior to initialization. "
"Can't preceed withut harming existing data");
sqlite3* db_hand = NULL;
ret = sqlite3_open(db_path.c_str(), &db_hand);
een9_ASSERT(ret == 0, "Can't open database");
assert(sqlite3_errcode(db_hand) == SQLITE_OK);
struct Guard1{sqlite3*& dhp; ~Guard1(){if (sqlite3_close(dhp) != 0) {abort();}}} guard1{db_hand};
sqlite_single_statement(db_hand, "CREATE TABLE tb(a INT, b INT)");
sqlite_single_statement(db_hand, "INSERT INTO tb(a) VALUES (111)");
sqlite_single_statement(db_hand, "INSERT INTO tb(b) VALUES ('yaeyahiyagdohzghz5echp')");
sqlite_single_statement(db_hand, "INSERT INTO tb(a, b) VALUES (1123123, 'string')");
sqlite_single_statement(db_hand, "SELECT * FROM tb");
// todo: actually write something
}