🎉 init: 小龙的工作空间

2026-06-06 10:40:48 +08:00
commit a188ee1426
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+// Auto-generated Pet service
+import { queryAll, queryOne, execute } from "../db/client.js";
+import type { Pet, CreatePetInput, UpdatePetInput } from "../types/index.js";
+
+export class PetService {
+  /** List all pets */
+  list(): Pet[] {
+    return queryAll<Pet>("SELECT * FROM pets ORDER BY created_at DESC");
+  }
+
+  /** Get by ID */
+  getById(id: string): Pet | undefined {
+    return queryOne<Pet>("SELECT * FROM pets WHERE id = ?", [id]);
+  }
+
+  /** Create */
+  create(input: CreatePetInput): Pet {
+    const id = crypto.randomUUID();
+    const now = new Date().toISOString();
+    const hasCreatedAt = true;
+    const hasUpdatedAt = false;
+    const cols = ["id", "owner_id", "name", "species", "breed", "birth_date", "weight_kg", "avatar_url", "created_at"];
+    const placeholders = cols.map(() => "?").join(", ");
+    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];
+
+    execute(`INSERT INTO pets (${cols.join(", ")}) VALUES (${placeholders})`, values);
+    return this.getById(id)!;
+  }
+
+  /** Update */
+  update(id: string, input: UpdatePetInput): Pet | undefined {
+    const existing = this.getById(id);
+    if (!existing) return undefined;
+
+    const sets: string[] = [];
+    const values: unknown[] = [];
+    if (input.ownerId !== undefined) { sets.push("owner_id = ?"); values.push(input.ownerId); }
+    if (input.name !== undefined) { sets.push("name = ?"); values.push(input.name); }
+    if (input.species !== undefined) { sets.push("species = ?"); values.push(input.species); }
+    if (input.breed !== undefined) { sets.push("breed = ?"); values.push(input.breed); }
+    if (input.birthDate !== undefined) { sets.push("birth_date = ?"); values.push(input.birthDate); }
+    if (input.weightKg !== undefined) { sets.push("weight_kg = ?"); values.push(input.weightKg); }
+    if (input.avatarUrl !== undefined) { sets.push("avatar_url = ?"); values.push(input.avatarUrl); }
+
+    if (sets.length === 0) return existing;
+
+    
+
+    values.push(id);
+    execute(`UPDATE pets SET ${sets.join(", ")} WHERE id = ?`, values);
+    return this.getById(id)!;
+  }
+
+  /** Delete */
+  delete(id: string): boolean {
+    const result = execute("DELETE FROM pets WHERE id = ?", [id]);
+    return result.changes > 0;
+  }
+}