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feat(OpenAI integration): Specify chat api url #317

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e3450a5
Clean up ChatGptController. Allow specifying OpenAiChatApiUrl in prop…
hirokiterashima Mar 19, 2026
4e65f6e
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hirokiterashima Mar 19, 2026
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26 changes: 14 additions & 12 deletions ...on/web/controllers/ChatGptcontroller.java → ...on/web/controllers/ChatGptController.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,7 @@
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.env.Environment;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.access.annotation.Secured;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
Expand All @@ -16,33 +15,36 @@
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/api")
public class ChatGptcontroller {
@RequestMapping("/api/chat-gpt")
public class ChatGptController {

@Autowired
Environment appProperties;
@Value("${openai.api.key:}")
private String openAiApiKey;

@Value("${openai.chat.api.url:https://api.openai.com/v1/chat/completions}")
private String openAiChatApiUrl;

@ResponseBody
@Secured("ROLE_USER")
@PostMapping("/chat-gpt")
@PostMapping
protected String sendChatMessage(@RequestBody String body) {
String openaiApiKey = appProperties.getProperty("OPENAI_API_KEY");
if (openaiApiKey == null || openaiApiKey.isEmpty()) {
if (openAiApiKey == null || openAiApiKey.isEmpty()) {
throw new RuntimeException("OPENAI_API_KEY is not set");
}
try {
URL url = new URL("https://api.openai.com/v1/chat/completions");
URL url = new URL(openAiChatApiUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod("POST");
connection.setRequestProperty("Authorization", "Bearer " + openaiApiKey);
connection.setRequestProperty("Authorization", "Bearer " + openAiApiKey);
connection.setRequestProperty("Content-Type", "application/json; charset=utf-8");
connection.setRequestProperty("Accept-Charset", "UTF-8");
connection.setDoOutput(true);
OutputStreamWriter writer = new OutputStreamWriter(connection.getOutputStream());
writer.write(body);
writer.flush();
writer.close();
BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream(),"ISO-8859-1"));
BufferedReader br = new BufferedReader(
new InputStreamReader(connection.getInputStream(), "UTF-8"));
String line;
StringBuffer response = new StringBuffer();
while ((line = br.readLine()) != null) {
Expand Down
3 changes: 2 additions & 1 deletion src/main/resources/application-dockerdev-sample.properties
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Expand Up @@ -217,7 +217,8 @@ system-wide-salt=secret
#speech-to-text.aws.identity-pool-id=

# OpenAI and AWS Bedrock Chat endpoints (optional)
#OPENAI_API_KEY=
#openai.api.key=
#openai.chat.api.url=
#aws.bedrock.api.key=
#aws.bedrock.runtime.endpoint=

3 changes: 2 additions & 1 deletion src/main/resources/application_sample.properties
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,7 @@ system-wide-salt=secret
#speech-to-text.aws.identity-pool-id=

# OpenAI and AWS Bedrock Chat endpoints (optional)
#OPENAI_API_KEY=
#openai.api.key=
#openai.chat.api.url=
#aws.bedrock.api.key=
#aws.bedrock.runtime.endpoint=
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