Added summarize rule action

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

@@ -616,6 +616,8 @@ public class AdapterRule extends RecyclerView.Adapter<AdapterRule.ViewHolder> {
                     return R.string.title_rule_url;
                 case EntityRule.TYPE_SILENT:
                     return R.string.title_rule_silent;
+                case EntityRule.TYPE_SUMMARIZE:
+                    return R.string.title_rule_summarize;
                 default:
                     throw new IllegalArgumentException("Unknown action type=" + type);
             }

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

@@ -64,6 +64,7 @@ import com.sun.mail.pop3.POP3Store;
 
 import org.json.JSONArray;
 import org.json.JSONException;
+import org.json.JSONObject;
 
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
@@ -3136,6 +3137,7 @@ class Core {
                 if (!message.content)
                     throw new IllegalArgumentException("Message without content id=" + rule.id + ":" + rule.name);
 
+                rule.async = true;
                 rule.execute(context, message, null);
             }
 

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

@@ -38,6 +38,7 @@ import androidx.annotation.NonNull;
 import androidx.preference.PreferenceManager;
 import androidx.room.Entity;
 import androidx.room.ForeignKey;
+import androidx.room.Ignore;
 import androidx.room.Index;
 import androidx.room.PrimaryKey;
 
@@ -118,6 +119,9 @@ public class EntityRule {
     public Integer applied = 0;
     public Long last_applied;
 
+    @Ignore
+    public boolean async;
+
     static final int TYPE_SEEN = 1;
     static final int TYPE_UNSEEN = 2;
     static final int TYPE_MOVE = 3;
@@ -138,6 +142,7 @@ public class EntityRule {
     static final int TYPE_NOTES = 18;
     static final int TYPE_URL = 19;
     static final int TYPE_SILENT = 20;
+    static final int TYPE_SUMMARIZE = 21;
 
     static final String ACTION_AUTOMATION = BuildConfig.APPLICATION_ID + ".AUTOMATION";
     static final String EXTRA_RULE = "rule";
@@ -679,6 +684,8 @@ public class EntityRule {
                 return onActionUrl(context, message, jaction, html);
             case TYPE_SILENT:
                 return onActionSilent(context, message, jaction);
+            case TYPE_SUMMARIZE:
+                return onActionSummarize(context, message, jaction);
             default:
                 throw new IllegalArgumentException("Unknown rule type=" + type + " name=" + name);
         }
@@ -781,6 +788,8 @@ public class EntityRule {
                 return;
             case TYPE_SILENT:
                 return;
+            case TYPE_SUMMARIZE:
+                return;
             default:
                 throw new IllegalArgumentException("Unknown rule type=" + type);
         }
@@ -1554,6 +1563,22 @@ public class EntityRule {
         return true;
     }
 
+    private boolean onActionSummarize(Context context, EntityMessage message, JSONObject jargs) throws JSONException, IOException {
+        DB db = DB.getInstance(context);
+
+        if (!this.async && this.id != null) {
+            EntityOperation.queue(context, message, EntityOperation.RULE, this.id);
+            return true;
+        }
+
+        message.preview = AI.getSummaryText(context, message);
+
+        db.message().setMessageContent(message.id, message.content, message.language, message.plain_only, message.preview, message.warning);
+        db.message().setMessageNotifying(message.id, 0);
+
+        return true;
+    }
+
     private static Calendar getRelativeCalendar(boolean all, int minutes, long reference) {
         int d = minutes / (24 * 60);
         int h = minutes / 60 % 24;

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

@@ -670,6 +670,8 @@ public class FragmentRule extends FragmentBase {
             actions.add(new Action(EntityRule.TYPE_COPY, getString(R.string.title_rule_copy)));
         actions.add(new Action(EntityRule.TYPE_DELETE, getString(R.string.title_rule_delete)));
         actions.add(new Action(EntityRule.TYPE_ANSWER, getString(R.string.title_rule_answer)));
+        if (AI.isAvailable(getContext()))
+            actions.add(new Action(EntityRule.TYPE_SUMMARIZE, getString(R.string.title_rule_summarize)));
         actions.add(new Action(EntityRule.TYPE_TTS, getString(R.string.title_rule_tts)));
         actions.add(new Action(EntityRule.TYPE_SOUND, getString(R.string.title_rule_sound)));
         actions.add(new Action(EntityRule.TYPE_AUTOMATION, getString(R.string.title_rule_automation)));

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

@@ -2035,6 +2035,7 @@
     <string name="title_rule_delete">Delete permanently</string>
     <string name="title_rule_sound">Play sound</string>
     <string name="title_rule_silent">Silent notification</string>
+    <string name="title_rule_summarize">Summarize</string>
 
     <string name="title_rule_caption">Edit rule</string>
     <string name="title_rule_title">Rule applies to</string>