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feat: implement image size configuration and enhance image response handling in AI service

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shni
2025-10-04 03:43:36 -05:00
parent bff0bbb993
commit ada1ef6829
1 changed files with 47 additions and 30 deletions
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77
src/core/services/AIService.ts
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@@ -1379,53 +1379,65 @@ Responde de forma directa y útil:`;
}
const mimeType = options?.mimeType ?? 'image/png';
const size = options?.size ?? 'square';
const imageSize = size === 'portrait' ? '9:16' : size === 'landscape' ? '16:9' : '1:1';
try {
const res: any = await (this.genAIv2 as any).models.generateContent({
// Preferir generateImages (SDK moderno) cuando está disponible
const res: any = await (this.genAIv2 as any).models.generateImages({
model: 'gemini-2.5-flash-image',
contents: prompt,
prompt,
config: {
responseMimeType: mimeType,
responseModalities: ['IMAGE'],
imageSize,
}
});
// Normalize response shape
const response = res?.response ?? res;
const candidates = response?.candidates ?? [];
const parts = candidates[0]?.content?.parts ?? [];
// Respuesta típica: { images: [{ data, mimeType }] }
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 (Array.isArray(res?.images) && res.images.length > 0) {
const first = res.images[0];
base64 = first?.data || first?.b64Data || first?.inlineData?.data;
outMime = first?.mimeType || first?.inlineData?.mimeType;
}
// Fallbacks para formas alternativas
if (!base64 && res?.image?.data) {
base64 = res.image.data;
outMime = res.image.mimeType;
}
// Fallback a generateContent si generateImages no retorna 'images'
if (!base64) {
// Try other top-level shapes
if (res?.image?.data) {
base64 = res.image.data;
outMime = res.image.mimeType;
} else if (Array.isArray(res?.images) && res.images.length > 0) {
const first = res.images[0];
base64 = first.data || first.b64Data || first.inlineData?.data;
outMime = first.mimeType || first.inlineData?.mimeType;
} else if (response?.media?.data) {
base64 = response.media.data;
outMime = response.media.mimeType;
const alt: any = await (this.genAIv2 as any).models.generateContent({
model: 'gemini-2.5-flash-image',
contents: prompt,
config: {
responseMimeType: mimeType,
responseModalities: ['IMAGE'],
imageSize,
}
});
const response = alt?.response ?? alt;
const candidates = response?.candidates ?? [];
const parts = candidates[0]?.content?.parts ?? [];
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) {
logger.error({ res }, 'Respuesta de imagen sin datos de imagen');
throw new Error('No se recibió imagen del modelo');
}
@@ -1437,8 +1449,13 @@ Responde de forma directa y útil:`;
return { data: Buffer.from(base64, 'base64'), mimeType: finalMime, fileName };
} catch (e) {
const msg = this.parseAPIError(e);
throw new Error(msg);
// Log completo del error original para depuración
logger.error(e as any, 'Fallo en generateImage');
const parsed = this.parseAPIError(e);
const original = getErrorMessage(e);
// Conservar mensaje original si el parser no aporta más contexto
const message = parsed === 'Error temporal del servicio de IA. Intenta de nuevo' ? original : parsed;
throw new Error(message || parsed);
}
}
}