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feat: enhance image generation handling and normalize response structure in AI service

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This commit is contained in:
shni
2025-10-04 03:25:09 -05:00
parent a6c47cca5e
commit bff0bbb993
2 changed files with 41 additions and 37 deletions
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5
src/commands/messages/AI/image.ts
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@@ -46,8 +46,7 @@ export const command: CommandMessage = {
return; return;
} }
//@ts-ignore (message.channel as any)?.sendTyping?.().catch(() => {});
await message.channel.sendTyping().catch(() => {});
const result = await aiService.generateImage(prompt, { size }); const result = await aiService.generateImage(prompt, { size });
await message.reply({ await message.reply({
@@ -55,7 +54,7 @@ export const command: CommandMessage = {
files: [{ attachment: result.data, name: result.fileName }] files: [{ attachment: result.data, name: result.fileName }]
}); });
} catch (error: any) { } catch (error: any) {
logger.error('Error generando imagen:', error); logger.error(error, 'Error generando imagen');
await message.reply({ content: `❌ Error generando imagen: ${error?.message || 'Error desconocido'}` }); await message.reply({ content: `❌ Error generando imagen: ${error?.message || 'Error desconocido'}` });
} }
} }

69
src/core/services/AIService.ts
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@@ -1378,59 +1378,64 @@ Responde de forma directa y útil:`;
throw new Error('El SDK moderno (@google/genai) no está inicializado'); throw new Error('El SDK moderno (@google/genai) no está inicializado');
} }
// Mapear tamaño a hints simples (si el modelo los admite)
const sizeHint = options?.size ?? 'square';
const mimeType = options?.mimeType ?? 'image/png'; const mimeType = options?.mimeType ?? 'image/png';
try { try {
// Llamada flexible usando any para compatibilidad de tipos entre versiones const res: any = await (this.genAIv2 as any).models.generateContent({
const res: any = await (this.genAIv2 as any).models.generateImages({
model: 'gemini-2.5-flash-image', model: 'gemini-2.5-flash-image',
// La API moderna acepta `contents` o `prompt` según versión; usamos ambos por compatibilidad
contents: prompt, contents: prompt,
prompt, prompt,
config: { config: {
// Algunos despliegues soportan indicar formato de salida
responseMimeType: mimeType, responseMimeType: mimeType,
// Hints de tamaño en metadatos si aplica responseModalities: ['IMAGE'],
// Nota: si no es soportado, el backend lo ignorará sin fallar
aspectRatio: sizeHint === 'portrait' ? '9:16' : sizeHint === 'landscape' ? '16:9' : '1:1',
} }
}); });
// Intentar obtener el primer resultado de imagen en varias formas comunes // Normalize response shape
let imageDataBase64: string | undefined; const response = res?.response ?? res;
let resultMime: string = mimeType; const candidates = response?.candidates ?? [];
let fileName = `gen_${Date.now()}.${mimeType.includes('png') ? 'png' : mimeType.includes('jpeg') ? 'jpg' : 'img'}`; const parts = candidates[0]?.content?.parts ?? [];
let base64: string | undefined;
let outMime: string | undefined;
const imgPart = parts.find((p: any) => p?.inlineData?.data || p?.imageData?.data || p?.media?.data);
if (imgPart?.inlineData?.data) {
base64 = imgPart.inlineData.data;
outMime = imgPart.inlineData.mimeType;
} else if (imgPart?.imageData?.data) {
base64 = imgPart.imageData.data;
outMime = imgPart.imageData.mimeType;
} else if (imgPart?.media?.data) {
base64 = imgPart.media.data;
outMime = imgPart.media.mimeType;
}
if (!base64) {
// Try other top-level shapes
if (res?.image?.data) { if (res?.image?.data) {
imageDataBase64 = res.image.data; base64 = res.image.data;
resultMime = res.image.mimeType ?? resultMime; outMime = res.image.mimeType;
} else if (Array.isArray(res?.images) && res.images.length > 0) { } else if (Array.isArray(res?.images) && res.images.length > 0) {
// Some SDKs return { images: [{ data, mimeType }] } const first = res.images[0];
imageDataBase64 = res.images[0].data ?? res.images[0].inlineData?.data; base64 = first.data || first.b64Data || first.inlineData?.data;
resultMime = res.images[0].mimeType ?? res.images[0].inlineData?.mimeType ?? resultMime; outMime = first.mimeType || first.inlineData?.mimeType;
} else if (res?.response?.candidates?.[0]?.content?.parts) { } else if (response?.media?.data) {
// Fallback: imagen como inlineData en parts base64 = response.media.data;
const parts = res.response.candidates[0].content.parts; outMime = response.media.mimeType;
const imgPart = parts.find((p: any) => p.inlineData && p.inlineData.data);
if (imgPart) {
imageDataBase64 = imgPart.inlineData.data;
resultMime = imgPart.inlineData.mimeType ?? resultMime;
} }
} }
if (!imageDataBase64) { if (!base64) {
throw new Error('No se recibió imagen del modelo'); throw new Error('No se recibió imagen del modelo');
} }
const buffer = Buffer.from(imageDataBase64, 'base64'); const finalMime = outMime || mimeType;
// Ajustar nombre de archivo segun mimetype real let fileName = `gen_${Date.now()}.img`;
if (resultMime.includes('png')) fileName = fileName.replace(/\.[^.]+$/, '.png'); if (finalMime.includes('png')) fileName = fileName.replace(/\.img$/, '.png');
else if (resultMime.includes('jpeg') || resultMime.includes('jpg')) fileName = fileName.replace(/\.[^.]+$/, '.jpg'); else if (finalMime.includes('jpeg') || finalMime.includes('jpg')) fileName = fileName.replace(/\.img$/, '.jpg');
else if (resultMime.includes('webp')) fileName = fileName.replace(/\.[^.]+$/, '.webp'); else if (finalMime.includes('webp')) fileName = fileName.replace(/\.img$/, '.webp');
return { data: buffer, mimeType: resultMime, fileName }; return { data: Buffer.from(base64, 'base64'), mimeType: finalMime, fileName };
} catch (e) { } catch (e) {
const msg = this.parseAPIError(e); const msg = this.parseAPIError(e);
throw new Error(msg); throw new Error(msg);