92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
#include "../../include/database.h"
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#include "../../include/package.h"
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#include "../../include/error.h"
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#include "../../include/util.h"
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#include <sqlite3.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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char *queries[] = {
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// QUERY_CREATE_PACKAGE_TABLE
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"CREATE TABLE IF NOT EXISTS packages (" \
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" name TEXT PRIMARY KEY NOT NULL," \
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" version TEXT NOT NULL," \
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" desc TEXT NOT NULL," \
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" size INT NOT NULL," \
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" depends TEXT NOT NULL);",
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// QUERY_INSERT_PACKAGE_SINGLE
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"INSERT INTO packages VALUES (?, ?, ?, ?, ?)",
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// QUERY_SELECT_PACKAGE_SINGLE_1
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"SELECT * FROM packages WHERE name = ?",
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// QUERY_SELECT_PACKAGE_SINGLE_2
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"SELECT * FROM packages WHERE name = ? AND version = ?",
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// QUERY_DELETE_PACKAGE_SINGLE
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"DELETE FROM packages WHERE name = ?",
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// QUERY_SELECT_PACKAGE_ALL
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"SELECT * FROM packages",
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};
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lm_database_t *lm_database_new(char *path){
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lm_database_t *db = malloc(sizeof(lm_database_t));
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char *err = NULL;
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bzero(db, sizeof(lm_database_t));
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if(exists(path, NULL) && (is_file(path) || !can_read(path))){
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lm_error_set(LM_ERR_DbCantAccess);
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return NULL;
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}
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if(!exists(path, NULL) && !mkdir_ifnot(path, 0755)){
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lm_error_set(LM_ERR_DbCantAccess);
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return NULL;
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}
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size_t pathlen = strlen(path);
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char packagesdb[pathlen+15];
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join(packagesdb, path, "packages.db");
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if(sqlite3_open(packagesdb, &db->sql)){
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pdebug(__func__, "(%s) failed to open databse: %s", packagesdb, sqlite3_errmsg(db->sql));
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lm_error_set(LM_ERR_DbSqlOpenFail);
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return NULL;
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}
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if(can_write(path) && sqlite3_exec(db->sql, queries[QUERY_CREATE_TABLE], NULL, 0, &err) != SQLITE_OK){
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pdebug(__func__, "(%s) failed to create packages table: %s", packagesdb, err);
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lm_error_set(LM_ERR_DbSqlCreateFail);
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sqlite3_free(err);
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db->sql = NULL;
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}
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db->dir = strdup(path);
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return db;
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}
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void lm_database_free(lm_database_t *db){
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if(NULL != db->st)
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sqlite3_finalize(db->st);
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if(NULL != db->filesp)
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fclose(db->filesp);
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sqlite3_close(db->sql);
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free(db->dir);
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free(db);
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}
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bool lm_database_step_all(sqlite3_stmt *st){
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int rc = 0;
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while((rc = sqlite3_step(st)) == SQLITE_ROW)
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continue;
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return rc == SQLITE_DONE;
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}
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