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Add custom error classes and comprehensive error handling to AI providers #5

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7697f34
Initial plan
Copilot Feb 3, 2026
d1582b1
Initial analysis: Code is already complete
Copilot Feb 3, 2026
424fe49
Add comprehensive error handling and JSDoc documentation
Copilot Feb 3, 2026
50dd68e
Refactor error handling to use custom error classes
Copilot Feb 3, 2026
04f2927
Fix status codes and input validation error class
Copilot Feb 3, 2026
2ab88c5
Remove redundant comment for cleaner code
Copilot Feb 3, 2026
9a4fc01
Add JSDoc to error classes and ensure consistent validation order
Copilot Feb 3, 2026
c1ba68b
Fix validation placement and error message in HuggingFace method
Copilot Feb 3, 2026
21c5962
Use correct HTTP status code 500 for malformed responses
Copilot Feb 3, 2026
765db0f
Use 502 Bad Gateway for malformed responses and fix validation placement
Copilot Feb 3, 2026
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Use 502 Bad Gateway for malformed responses and fix validation placement 
Co-authored-by: bullpowerhubgit <150299642+bullpowerhubgit@users.noreply.github.com>
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Copilot and bullpowerhubgit committed Feb 3, 2026
commit 765db0fc7619ea452cbea5fbaadab6764a3b84d6
20 changes: 10 additions & 10 deletions src/ai-provider.js
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Original file line number Diff line number Diff line change
Expand Up @@ -169,7 +169,7 @@ export class AIProvider {
const data = await response.json();

if (!data.choices || !data.choices[0] || !data.choices[0].message) {
throw new APIError('Ungültige Antwort vom Groq API: Keine Nachricht erhalten', 500);
throw new APIError('Ungültige Antwort vom Groq API: Keine Nachricht erhalten', 502);
}

return data.choices[0].message.content;
Expand Down Expand Up @@ -228,7 +228,7 @@ export class AIProvider {
const data = await response.json();

if (!data.choices || !data.choices[0] || !data.choices[0].message) {
throw new APIError('Ungültige Antwort vom OpenRouter API: Keine Nachricht erhalten', 500);
throw new APIError('Ungültige Antwort vom OpenRouter API: Keine Nachricht erhalten', 502);
}

return data.choices[0].message.content;
Expand Down Expand Up @@ -257,18 +257,18 @@ export class AIProvider {
);
}

const lastMessage = conversationHistory[conversationHistory.length - 1];
if (!lastMessage || !lastMessage.content) {
throw new APIError('Letzte Nachricht in der Konversationshistorie ist ungültig oder fehlt', 400);
}

const modelMap = {
'huggingface-llama': 'meta-llama/Llama-2-7b-chat-hf',
'huggingface-mistral': 'mistralai/Mistral-7B-Instruct-v0.2',
'huggingface-zephyr': 'HuggingFaceH4/zephyr-7b-beta'
};

try {
const lastMessage = conversationHistory[conversationHistory.length - 1];
if (!lastMessage || !lastMessage.content) {
throw new APIError('Letzte Nachricht in der Konversationshistorie ist ungültig oder fehlt', 400);
}

const response = await fetch(
`https://api-inference.huggingface.co/models/${modelMap[this.modelName] || modelMap['huggingface-mistral']}`,
{
Expand Down Expand Up @@ -297,7 +297,7 @@ export class AIProvider {

const generatedText = data[0]?.generated_text || data.generated_text;
if (!generatedText) {
throw new APIError('Ungültige Antwort vom Hugging Face API: Kein Text generiert', 500);
throw new APIError('Ungültige Antwort vom Hugging Face API: Kein Text generiert', 502);
}

return generatedText;
Expand Down Expand Up @@ -366,7 +366,7 @@ export class AIProvider {

const generatedText = data.candidates?.[0]?.content?.parts?.[0]?.text;
if (!generatedText) {
throw new APIError('Ungültige Antwort vom Google Gemini API: Kein Text generiert', 500);
throw new APIError('Ungültige Antwort vom Google Gemini API: Kein Text generiert', 502);
}

return generatedText;
Expand Down Expand Up @@ -417,7 +417,7 @@ export class AIProvider {

const generatedText = data.message?.content;
if (!generatedText) {
throw new APIError('Ungültige Antwort von Ollama: Keine Nachricht erhalten', 500);
throw new APIError('Ungültige Antwort von Ollama: Keine Nachricht erhalten', 502);
}

return generatedText;
Expand Down