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feature/05-exercise-encyclopedia #4

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sphinxen merged 28 commits from feature/05-exercise-encyclopedia into main 2026-03-06 12:29:20 +01:00
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1 changed files with 40 additions and 40 deletions
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backend/src/utils/gemini-fallback.js
+40 -40
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@@ -1,15 +1,15 @@
/**
* Gemini API with Multi-Tier Fallback
* Tries: Gemini → OpenCode → OpenRouter
* Tries: Gemini → OpenRouter → OpenCode
*/
const fetch = require('node-fetch');
const GEMINI_API_KEY = process.env.GOOGLE_API_KEY;
const OPENCODE_API_KEY = process.env.OPENCODE_API_KEY;
const OPENCODE_BASE_URL = process.env.OPENCODE_BASE_URL || 'https://api.opencode.com/v1';
const OPENROUTER_API_KEY = process.env.OPENROUTER_API_KEY;
const OPENROUTER_BASE_URL = process.env.OPENROUTER_BASE_URL || 'https://openrouter.ai/api/v1';
const OPENCODE_API_KEY = process.env.OPENCODE_API_KEY;
const OPENCODE_BASE_URL = process.env.OPENCODE_BASE_URL || 'https://api.opencode.com/v1';
async function generateWithFallback(prompt, options = {}) {
console.log('🤖 Generating content...');
@@ -46,40 +46,10 @@ async function generateWithFallback(prompt, options = {}) {
}
}
// Tier 2: Fallback to OpenCode
if (OPENCODE_API_KEY) {
try {
console.log('📍 Tier 2: Attempting OpenCode API...');
const response = await fetch(`${OPENCODE_BASE_URL}/chat/completions`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${OPENCODE_API_KEY}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({
model: options.model || 'gpt-4',
messages: [{ role: 'user', content: prompt }],
temperature: options.temperature || 0.7,
max_tokens: options.maxTokens || 2048
})
});
if (response.ok) {
const data = await response.json();
console.log('✅ OpenCode API success');
return { success: true, provider: 'opencode', data };
}
console.warn(`OpenCode error: ${response.status}, trying next fallback...`);
} catch (err) {
console.warn(`OpenCode failed: ${err.message}`);
}
}
// Tier 3: Fallback to OpenRouter
// Tier 2: Fallback to OpenRouter (billigare, mer flexibel)
if (OPENROUTER_API_KEY) {
try {
console.log('📍 Tier 3: Attempting OpenRouter API...');
console.log('📍 Tier 2: Attempting OpenRouter API...');
const response = await fetch(`${OPENROUTER_BASE_URL}/chat/completions`, {
method: 'POST',
headers: {
@@ -101,20 +71,50 @@ async function generateWithFallback(prompt, options = {}) {
return { success: true, provider: 'openrouter', data };
}
throw new Error(`OpenRouter error: ${response.status}`);
console.warn(`OpenRouter error: ${response.status}, trying next fallback...`);
} catch (err) {
console.error(`OpenRouter failed: ${err.message}`);
console.warn(`OpenRouter failed: ${err.message}`);
}
}
throw new Error('All generation APIs failed (Gemini → OpenCode → OpenRouter)');
// Tier 3: Fallback to OpenCode (sista försöket)
if (OPENCODE_API_KEY) {
try {
console.log('📍 Tier 3: Attempting OpenCode API...');
const response = await fetch(`${OPENCODE_BASE_URL}/chat/completions`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${OPENCODE_API_KEY}`,
'Content-Type': 'application/json'
},
body: JSON.stringify({
model: options.model || 'gpt-4',
messages: [{ role: 'user', content: prompt }],
temperature: options.temperature || 0.7,
max_tokens: options.maxTokens || 2048
})
});
if (response.ok) {
const data = await response.json();
console.log('✅ OpenCode API success');
return { success: true, provider: 'opencode', data };
}
throw new Error(`OpenCode error: ${response.status}`);
} catch (err) {
console.error(`OpenCode failed: ${err.message}`);
}
}
throw new Error('All generation APIs failed (Gemini → OpenRouter → OpenCode)');
}
module.exports = {
generateWithFallback,
getAvailableProviders: () => ({
gemini: !!GEMINI_API_KEY,
opencode: !!OPENCODE_API_KEY,
openrouter: !!OPENROUTER_API_KEY
openrouter: !!OPENROUTER_API_KEY,
opencode: !!OPENCODE_API_KEY
})
};