Process markdown in AI responses

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

@@ -23,6 +23,7 @@ import android.content.Context;
 import android.content.SharedPreferences;
 import android.text.Spannable;
 import android.text.SpannableStringBuilder;
+import android.text.Spanned;
 import android.text.TextUtils;
 
 import androidx.preference.PreferenceManager;
@@ -43,7 +44,7 @@ public class AI {
         return (OpenAI.isAvailable(context) || Gemini.isAvailable(context));
     }
 
-    static String completeChat(Context context, long id, CharSequence body, long template) throws JSONException, IOException {
+    static Spanned completeChat(Context context, long id, CharSequence body, long template) throws JSONException, IOException {
         String reply = null;
         if (body == null || TextUtils.isEmpty(body.toString().trim())) {
             body = "?";
@@ -74,6 +75,7 @@ public class AI {
             prompt = JsoupEx.parse(html).body().text();
         }
 
+        StringBuilder sb = new StringBuilder();
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
         if (OpenAI.isAvailable(context)) {
             String model = prefs.getString("openai_model", OpenAI.DEFAULT_MODEL);
@@ -100,7 +102,6 @@ public class AI {
             OpenAI.Message[] completions = OpenAI.completeChat(context,
                     model, messages.toArray(new OpenAI.Message[0]), temperature, 1);
 
-            StringBuilder sb = new StringBuilder();
             for (OpenAI.Message completion : completions)
                 for (OpenAI.Content content : completion.getContent())
                     if (OpenAI.CONTENT_TEXT.equals(content.getType())) {
@@ -110,7 +111,6 @@ public class AI {
                                 .replaceAll("^\\n+", "")
                                 .replaceAll("\\n+$", ""));
                     }
-            return sb.toString();
         } else if (Gemini.isAvailable(context)) {
             String model = prefs.getString("gemini_model", Gemini.DEFAULT_MODEL);
             float temperature = prefs.getFloat("gemini_temperature", Gemini.DEFAULT_TEMPERATURE);
@@ -129,7 +129,6 @@ public class AI {
             Gemini.Message[] completions = Gemini.generate(context,
                     model, messages.toArray(new Gemini.Message[0]), temperature, 1);
 
-            StringBuilder sb = new StringBuilder();
             for (Gemini.Message completion : completions)
                 for (String result : completion.getContent()) {
                     if (sb.length() > 0)
@@ -138,9 +137,10 @@ public class AI {
                             .replaceAll("^\\n+", "")
                             .replaceAll("\\n+$", ""));
                 }
-            return sb.toString();
         } else
             throw new IllegalArgumentException("No AI available");
+
+        return HtmlHelper.fromHtml(Markdown.toHtml(sb.toString()), context);
     }
 
     static String getSummarizePrompt(Context context) {

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

@@ -2699,7 +2699,7 @@ public class FragmentCompose extends FragmentBase {
         args.putCharSequence("body", body);
         args.putLong("template", template == null ? -1L : template);
 
-        new SimpleTask<String>() {
+        new SimpleTask<Spanned>() {
             @Override
             protected void onPreExecute(Bundle args) {
                 chatting = true;
@@ -2713,7 +2713,7 @@ public class FragmentCompose extends FragmentBase {
             }
 
             @Override
-            protected String onExecute(Context context, Bundle args) throws Throwable {
+            protected Spanned onExecute(Context context, Bundle args) throws Throwable {
                 long id = args.getLong("id");
                 CharSequence body = args.getCharSequence("body");
                 long template = args.getLong("template");
@@ -2722,7 +2722,7 @@ public class FragmentCompose extends FragmentBase {
             }
 
             @Override
-            protected void onExecuted(Bundle args, String completion) {
+            protected void onExecuted(Bundle args, Spanned completion) {
                 if (completion == null)
                     return;
 
@@ -2742,7 +2742,8 @@ public class FragmentCompose extends FragmentBase {
                 if (index > 0 && edit.charAt(index - 1) != '\n')
                     edit.insert(index++, "\n");
 
-                edit.insert(index, completion + "\n");
+                edit.insert(index, "\n");
+                edit.insert(index, completion);
                 etBody.setSelection(index + completion.length() + 1);
 
                 StyleHelper.markAsInserted(edit, index, index + completion.length() + 1);