OpenAI: added temperature option

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -2450,8 +2450,9 @@ public class FragmentCompose extends FragmentBase {
 
                 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
                 String model = prefs.getString("openai_model", "gpt-3.5-turbo");
+                float temperatur = prefs.getFloat("openai_temperature", 1.0f);
 
-                return OpenAI.completeChat(context, model, result.toArray(new OpenAI.Message[0]), 1);
+                return OpenAI.completeChat(context, model, result.toArray(new OpenAI.Message[0]), temperatur, 1);
             }
 
             @Override

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -145,6 +145,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private TextView tvOpenAiPrivacy;
     private TextInputLayout tilOpenAi;
     private EditText etOpenAiModel;
+    private TextView tvOpenAiTemperature;
+    private SeekBar sbOpenAiTemperature;
     private ImageButton ibOpenAi;
     private SwitchCompat swUpdates;
     private TextView tvGithubPrivacy;
@@ -269,7 +271,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             "deepl_enabled",
             "vt_enabled", "vt_apikey",
             "send_enabled", "send_host",
-            "openai_enabled", "openai_apikey", "openai_model",
+            "openai_enabled", "openai_apikey", "openai_model", "openai_temperature",
             "updates", "weekly", "beta", "show_changelog", "announcements",
             "crash_reports", "cleanup_attachments",
             "watchdog", "experiments", "main_log", "main_log_memory", "protocol", "log_level", "debug", "leak_canary",
@@ -376,6 +378,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         tvOpenAiPrivacy = view.findViewById(R.id.tvOpenAiPrivacy);
         tilOpenAi = view.findViewById(R.id.tilOpenAi);
         etOpenAiModel = view.findViewById(R.id.etOpenAiModel);
+        tvOpenAiTemperature = view.findViewById(R.id.tvOpenAiTemperature);
+        sbOpenAiTemperature = view.findViewById(R.id.sbOpenAiTemperature);
         ibOpenAi = view.findViewById(R.id.ibOpenAi);
         swUpdates = view.findViewById(R.id.swUpdates);
         tvGithubPrivacy = view.findViewById(R.id.tvGithubPrivacy);
@@ -940,6 +944,23 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             }
         });
 
+        sbOpenAiTemperature.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
+            @Override
+            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
+                prefs.edit().putFloat("openai_temperature", progress / 10f).apply();
+            }
+
+            @Override
+            public void onStartTrackingTouch(SeekBar seekBar) {
+                // Do nothing
+            }
+
+            @Override
+            public void onStopTrackingTouch(SeekBar seekBar) {
+                // Do nothing
+            }
+        });
+
         ibOpenAi.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -2304,6 +2325,11 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         swOpenAi.setChecked(prefs.getBoolean("openai_enabled", false));
         tilOpenAi.getEditText().setText(prefs.getString("openai_apikey", null));
         etOpenAiModel.setText(prefs.getString("openai_model", null));
+
+        float temperature = prefs.getFloat("openai_temperature", 1f);
+        tvOpenAiTemperature.setText(getString(R.string.title_advanced_openai_temperature, NF.format(temperature)));
+        sbOpenAiTemperature.setProgress(Math.round(temperature * 10));
+
         swUpdates.setChecked(prefs.getBoolean("updates", true));
         swCheckWeekly.setChecked(prefs.getBoolean("weekly", Helper.hasPlayStore(getContext())));
         swCheckWeekly.setEnabled(swUpdates.isChecked());

app/src/main/java/eu/faircode/email/OpenAI.java

@@ -53,7 +53,7 @@ public class OpenAI {
         return (enabled && !TextUtils.isEmpty(apikey));
     }
 
-    static Message[] completeChat(Context context, String model, Message[] messages, int n) throws JSONException, IOException {
+    static Message[] completeChat(Context context, String model, Message[] messages, Float temperature, int n) throws JSONException, IOException {
         // https://platform.openai.com/docs/guides/chat/introduction
         // https://platform.openai.com/docs/api-reference/chat/create
 
@@ -68,6 +68,8 @@ public class OpenAI {
         JSONObject jquestion = new JSONObject();
         jquestion.put("model", model);
         jquestion.put("messages", jmessages);
+        if (temperature != null)
+            jquestion.put("temperature", temperature);
         jquestion.put("n", n);
         JSONObject jresponse = call(context, "v1/chat/completions", jquestion);
 

app/src/main/res/layout/fragment_options_misc.xml

@@ -633,6 +633,31 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/tvOpenAiModel" />
 
+                <TextView
+                    android:id="@+id/tvOpenAiTemperature"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_openai_temperature"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/etOpenAiModel" />
+
+                <SeekBar
+                    android:id="@+id/sbOpenAiTemperature"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:max="20"
+                    android:min="0"
+                    android:progress="10"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvOpenAiTemperature" />
+
                 <ImageButton
                     android:id="@+id/ibOpenAi"
                     android:layout_width="wrap_content"
@@ -641,7 +666,7 @@
                     android:contentDescription="@string/title_info"
                     android:tooltipText="@string/title_info"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/etOpenAiModel"
+                    app:layout_constraintTop_toBottomOf="@id/sbOpenAiTemperature"
                     app:srcCompat="@drawable/twotone_info_24" />
 
                 <androidx.appcompat.widget.SwitchCompat
@@ -892,7 +917,7 @@
                     android:id="@+id/grpOpenAi"
                     android:layout_width="0dp"
                     android:layout_height="0dp"
-                    app:constraint_referenced_ids="swOpenAi,tvOpenAiPrivacy,tilOpenAi,ibOpenAi" />
+                    app:constraint_referenced_ids="swOpenAi,tvOpenAiPrivacy,tilOpenAi,ibOpenAi,etOpenAiModel,tvOpenAiTemperature,sbOpenAiTemperature" />
 
                 <androidx.constraintlayout.widget.Group
                     android:id="@+id/grpUpdates"

app/src/main/res/values/strings.xml

@@ -795,6 +795,7 @@
     <string name="title_advanced_send">\'Send\' integration</string>
     <string name="title_advanced_openai">OpenAI (ChatGPT) integration</string>
     <string name="title_advanced_openai_model">Model</string>
+    <string name="title_advanced_openai_temperature">Temperature: %1$s</string>
     <string name="title_advanced_sdcard">I want to use an sdcard</string>
     <string name="title_advanced_watchdog">Periodically check if FairEmail is still active</string>
     <string name="title_advanced_updates">Check for GitHub updates</string>