大海
60 lines
2.3 KiB
TypeScript
60 lines
2.3 KiB
TypeScript
// Auto-generated Pet service
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import { queryAll, queryOne, execute } from "../db/client.js";
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import type { Pet, CreatePetInput, UpdatePetInput } from "../types/index.js";
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export class PetService {
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/** List all pets */
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list(): Pet[] {
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return queryAll<Pet>("SELECT * FROM pets ORDER BY created_at DESC");
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}
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/** Get by ID */
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getById(id: string): Pet | undefined {
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return queryOne<Pet>("SELECT * FROM pets WHERE id = ?", [id]);
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}
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/** Create */
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create(input: CreatePetInput): Pet {
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const id = crypto.randomUUID();
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const now = new Date().toISOString();
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const hasCreatedAt = true;
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const hasUpdatedAt = false;
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const cols = ["id", "owner_id", "name", "species", "breed", "birth_date", "weight_kg", "avatar_url", "created_at"];
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const placeholders = cols.map(() => "?").join(", ");
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const values = [id, input.ownerId ?? null, input.name ?? null, input.species ?? null, input.breed ?? null, input.birthDate ?? null, input.weightKg ?? null, input.avatarUrl ?? null, now];
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execute(`INSERT INTO pets (${cols.join(", ")}) VALUES (${placeholders})`, values);
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return this.getById(id)!;
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}
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/** Update */
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update(id: string, input: UpdatePetInput): Pet | undefined {
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const existing = this.getById(id);
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if (!existing) return undefined;
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const sets: string[] = [];
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const values: unknown[] = [];
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if (input.ownerId !== undefined) { sets.push("owner_id = ?"); values.push(input.ownerId); }
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if (input.name !== undefined) { sets.push("name = ?"); values.push(input.name); }
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if (input.species !== undefined) { sets.push("species = ?"); values.push(input.species); }
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if (input.breed !== undefined) { sets.push("breed = ?"); values.push(input.breed); }
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if (input.birthDate !== undefined) { sets.push("birth_date = ?"); values.push(input.birthDate); }
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if (input.weightKg !== undefined) { sets.push("weight_kg = ?"); values.push(input.weightKg); }
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if (input.avatarUrl !== undefined) { sets.push("avatar_url = ?"); values.push(input.avatarUrl); }
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if (sets.length === 0) return existing;
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values.push(id);
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execute(`UPDATE pets SET ${sets.join(", ")} WHERE id = ?`, values);
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return this.getById(id)!;
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}
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/** Delete */
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delete(id: string): boolean {
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const result = execute("DELETE FROM pets WHERE id = ?", [id]);
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return result.changes > 0;
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}
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}
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