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fix: restore RunPod proxy for Nano Banana image generation 

Direct Gemini API calls are geo-blocked in Germany. Must use
RunPod US proxy endpoint to bypass the restriction.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Jeff Emmett 2025-12-23 16:26:22 -05:00
parent e011fb0c46
commit 3309f7e5de
1 changed files with 41 additions and 24 deletions
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65
app/api/zine/generate-page/route.ts
View File

@ -102,20 +102,26 @@ async function generateImageWithGemini(
style: string
): Promise<string> {
const apiKey = process.env.GEMINI_API_KEY;
const runpodApiKey = process.env.RUNPOD_API_KEY;
const runpodEndpointId = process.env.RUNPOD_GEMINI_ENDPOINT_ID || "ntqjz8cdsth42i";
if (!apiKey) {
throw new Error("GEMINI_API_KEY not configured");
}
// Try Gemini 2.5 Flash Image (Nano Banana) - the correct image generation model
if (!runpodApiKey) {
throw new Error("RUNPOD_API_KEY not configured - required for Gemini proxy in Germany");
}
// Use RunPod US proxy to call Gemini (bypasses geo-restriction in Germany)
try {
const result = await generateWithGeminiNanoBanana(prompt, apiKey);
const result = await generateWithRunPodGeminiProxy(prompt, apiKey, runpodApiKey, runpodEndpointId);
if (result) {
console.log("✅ Generated image with Gemini 2.5 Flash Image (Nano Banana)");
console.log("✅ Generated image with Nano Banana via RunPod proxy");
return result;
}
} catch (error) {
console.error("Gemini Nano Banana error:", error);
console.error("RunPod Gemini proxy error:", error);
}
// Final fallback: Create styled placeholder
@ -123,39 +129,50 @@ async function generateImageWithGemini(
return createStyledPlaceholder(outline, style);
}
// Gemini 2.5 Flash Image (Nano Banana) - Google's image generation model
async function generateWithGeminiNanoBanana(prompt: string, apiKey: string): Promise<string | null> {
const apiUrl = `https://generativelanguage.googleapis.com/v1beta/models/gemini-2.0-flash-exp-image-generation:generateContent?key=${apiKey}`;
// Nano Banana via RunPod US proxy (bypasses geo-restrictions in Germany)
async function generateWithRunPodGeminiProxy(
prompt: string,
apiKey: string,
runpodApiKey: string,
endpointId: string
): Promise<string | null> {
const runpodUrl = `https://api.runpod.ai/v2/${endpointId}/runsync`;
console.log("Calling Gemini 2.0 Flash Image Generation API...");
console.log("Calling Nano Banana (gemini-2.0-flash-exp-image-generation) via RunPod US proxy...");
const response = await fetch(apiUrl, {
const response = await fetch(runpodUrl, {
method: "POST",
headers: { "Content-Type": "application/json" },
headers: {
"Content-Type": "application/json",
"Authorization": `Bearer ${runpodApiKey}`,
},
body: JSON.stringify({
contents: [
{
parts: [
{ text: prompt }
]
}
],
generationConfig: {
responseModalities: ["IMAGE", "TEXT"],
}
input: {
api_key: apiKey,
model: "gemini-2.0-flash-exp-image-generation",
contents: [
{
parts: [{ text: prompt }],
},
],
generationConfig: {
responseModalities: ["IMAGE", "TEXT"],
},
},
}),
});
if (!response.ok) {
const errorText = await response.text();
console.error("Gemini Image API error:", response.status, errorText);
console.error("RunPod API error:", response.status, errorText);
return null;
}
const data = await response.json();
const result = await response.json();
const data = result.output || result;
if (data.error) {
console.error("Gemini Image error:", JSON.stringify(data.error));
console.error("Gemini API error via RunPod:", JSON.stringify(data.error));
return null;
}
@ -163,7 +180,7 @@ async function generateWithGeminiNanoBanana(prompt: string, apiKey: string): Pro
const parts = data.candidates?.[0]?.content?.parts || [];
for (const part of parts) {
if (part.inlineData?.mimeType?.startsWith("image/")) {
console.log("✅ Successfully received image from Gemini Image API");
console.log("✅ Successfully received image from Nano Banana via RunPod");
return part.inlineData.data;
}
}