feat: add timer CRUD and DML helpers

client/src/db/crud/timerCrud.ts

@@ -1,5 +1,6 @@
+import { QueryResult } from "@tauri-apps/plugin-sql";
 import { getDb } from "@/db/initDb";
-import { SELECT_TIMERS, SELECT_TIMER } from "@/db/dml/timerDML";
+import { SELECT_TIMERS, SELECT_TIMER, INSERT_TIMER, UPDATE_TIMER, DELETE_TIMER } from "@/db/dml/timerDML";
 import { TimersRow, TimerRow } from "@/types/timerType";
 
 
@@ -9,8 +10,58 @@ export async function getTimers(): Promise<TimersRow[]> {
   return await db.select<TimersRow[]>(SELECT_TIMERS);
 }
 
-/* Получает таймер по его id **/
+/** Получает таймер по его id */
 export async function getTimer(TimerId: number): Promise<TimerRow> {
   const db = await getDb();
-  return await db.select<TimerRow>(SELECT_TIMER, [TimerId]);
+  const rows = await db.select<TimerRow[]>(SELECT_TIMER, [TimerId]);
+
+  if (!Array.isArray(rows) || rows.length === 0) {
+    throw new Error('Таймер не найден');
+  }
+
+  return rows[0];
+}
+
+/** Создаёт новый таймер */
+export async function createTimer(
+  title: string, 
+  pomodoroTime: number, 
+  breakTime: number, 
+  breakLongTime: number, 
+  countPomodoro: number
+): Promise<QueryResult> {
+  const db = await getDb();
+  return await db.execute(INSERT_TIMER, [
+    title, 
+    pomodoroTime, 
+    breakTime, 
+    breakLongTime, 
+    countPomodoro
+  ]);
+}
+
+/** Обновляет таймер */
+export async function updateTimer(
+  TimerId: number,
+  title: string,
+  pomodoroTime: number,
+  breakTime: number,
+  breakLongTime: number,
+  countPomodoro: number
+): Promise<QueryResult> {
+  const db = await getDb();
+  return await db.execute(UPDATE_TIMER, [
+    title,
+    pomodoroTime,
+    breakTime,
+    breakLongTime,
+    countPomodoro,
+    TimerId
+  ]);
+}
+
+/** Удаляет таймер */
+export async function deleteTimer(TimerId: number): Promise<QueryResult> {
+  const db = await getDb();
+  return await db.execute(DELETE_TIMER, [TimerId]);
 }

client/src/db/dml/timerDML.ts

@@ -5,3 +5,6 @@ export const INSERT_SEED_DB = `
   ('Timer mini example', 10, 3, 15, 2), ('Timer max example', 90, 10, 40, 8)
 `
 export const SELECT_TIMER = 'SELECT * FROM timer WHERE id = ?'
+export const INSERT_TIMER = 'INSERT INTO timer (title, pomodoro_time, break_time, break_long_time, count_pomodoro) VALUES (?, ?, ?, ?, ?)'
+export const UPDATE_TIMER = 'UPDATE timer SET title = ?, pomodoro_time = ?, break_time = ?, break_long_time = ?, count_pomodoro = ? WHERE id = ?'
+export const DELETE_TIMER = 'DELETE FROM timer WHERE id = ?'