Add method to search machines with limit and offset

Implemented `findMany` method to fetch machines based on a search field, applying limit and offset for pagination. Includes console logs for tracking search parameters and results.

apps/backend/src/app/authors/authors.controller.ts

@@ -29,7 +29,7 @@ export class AuthorsController {
 
 	@UseGuards(AdminGuard)
 	@Delete(":autor")
-	async deleteAuthor(@Param("machineId") machineId: string) {}
+	async deleteAuthor(@Param("author") author: string) {}
 
 	//TODO Patch
 

apps/backend/src/app/machines/machines.service.ts

@@ -1,11 +1,35 @@
 import { Injectable } from "@nestjs/common";
 import { DbService } from "apps/backend/src/app/db/db.service";
+import { MachinesTable } from "apps/backend/src/app/db/schema";
+import { ilike } from "drizzle-orm";
 
 @Injectable()
 export class MachinesService {
 	constructor(private readonly database: DbService) {}
 
-	//TODO a method to fetch machines in the database by a specific search with limit, offset and a search field (can be blank)
+	/**
+	 * Finds and returns a list of machines based on the given search parameters.
+	 *
+	 * @param {number} limit - The maximum number of machines to return.
+	 * @param {number} offset - The number of machines to skip before starting to collect the result set.
+	 * @param {string} searchField - The field to search within the machine names.
+	 *
+	 * @return {Promise<Array>} A promise that resolves to an array of found machines.
+	 */
+	async findMany(limit: number, offset: number, searchField: string) {
+		console.log(`Searching machines. \nSearch : ${searchField}`);
+		const machines = await this.database
+			.use()
+			.select()
+			.from(MachinesTable)
+			.where(ilike(MachinesTable.machineName, String(`%${searchField}%`)))
+			.limit(limit)
+			.offset(offset)
+			.prepare("findMachineByName")
+			.execute();
+		console.log(`Found ${machines.length} machines.`);
+		return machines;
+	}
 
 	//TODO The method to create a machine