✨ import sessions from DOAG

Signed-off-by: Marcus Fihlon <[email protected]>

pom.xml

@@ -155,6 +155,11 @@
             <version>4.8.3</version>
             <optional>true</optional>
         </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <version>20240303</version>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>

src/main/java/swiss/fihlon/apus/conference/Session.java

@@ -0,0 +1,22 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.conference;
+
+import java.time.LocalDateTime;
+
+public record Session(String id, LocalDateTime date, String title, String speaker) { }

src/main/java/swiss/fihlon/apus/conference/SessionImportException.java

@@ -0,0 +1,26 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.conference;
+
+import org.jetbrains.annotations.NotNull;
+
+public class SessionImportException extends RuntimeException {
+    public SessionImportException(@NotNull final Exception e) {
+        super(e);
+    }
+}

src/main/java/swiss/fihlon/apus/conference/doag/ConferenceAPI.java

@@ -0,0 +1,98 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.conference.doag;
+
+import org.jetbrains.annotations.NotNull;
+import org.springframework.boot.configurationprocessor.json.JSONArray;
+import org.springframework.boot.configurationprocessor.json.JSONException;
+import org.springframework.boot.configurationprocessor.json.JSONObject;
+import swiss.fihlon.apus.conference.Session;
+import swiss.fihlon.apus.conference.SessionImportException;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+public final class ConferenceAPI {
+
+    private final String location;
+
+    public ConferenceAPI(@NotNull final String location) {
+        this.location = location;
+    }
+
+    public List<Session> getSessions() {
+        final ArrayList<Session> sessions = new ArrayList<>();
+        try {
+            final String json = getJSON();
+            final JSONObject jsonObject = new JSONObject(json);
+            final JSONObject schedule = jsonObject.getJSONObject("schedule");
+            final JSONObject conference = schedule.getJSONObject("conference");
+            final String acronym = conference.getString("acronym");
+            final JSONArray days = conference.getJSONArray("days");
+            for (int dayCounter = 0; dayCounter < days.length(); dayCounter++) {
+                final JSONObject day = days.getJSONObject(dayCounter);
+                final LocalDate date = LocalDate.parse(day.getString("date"));
+                final JSONObject rooms = day.getJSONObject("rooms");
+                final Iterator<String> roomKeys = rooms.keys();
+                while (roomKeys.hasNext()) {
+                    final String roomKey = roomKeys.next();
+                    final JSONArray slots = rooms.getJSONArray(roomKey);
+                    for (int slotCounter = 0; slotCounter < slots.length(); slotCounter++) {
+                        final JSONObject slot = slots.getJSONObject(slotCounter);
+                        final String type = slot.getString("type");
+                        if (!"lecture".equalsIgnoreCase(type)) {
+                            continue;
+                        }
+                        final LocalTime time = LocalTime.parse(slot.getString("start"));
+                        final JSONArray persons = slot.getJSONArray("persons");
+                        final ArrayList<String> speakers = new ArrayList<>(persons.length());
+                        for (int personCounter = 0; personCounter < persons.length(); personCounter++) {
+                            final JSONObject person = persons.getJSONObject(personCounter);
+                            final String publicName = person.getString("public_name");
+                            speakers.add(publicName);
+                        }
+                        final Session session = new Session(
+                                String.format("%s:%d", acronym, slot.getInt("id")),
+                                LocalDateTime.of(date, time),
+                                slot.getString("title"),
+                                String.join(", ", speakers));
+                        sessions.add(session);
+                    }
+                }
+            }
+        } catch (IOException | URISyntaxException | JSONException e) {
+            throw new SessionImportException(e);
+        }
+        return sessions;
+    }
+
+    private String getJSON() throws IOException, URISyntaxException {
+        try (InputStream in = new URI(location).toURL().openStream()) {
+            return new String(in.readAllBytes(), StandardCharsets.UTF_8);
+        }
+    }
+}

src/main/java/swiss/fihlon/apus/conference/doag/Schedule.java

@@ -0,0 +1,21 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.conference.doag;
+
+public record Schedule(String baseUrl) {
+}

src/test/java/swiss/fihlon/apus/conference/doag/ConferenceAPITest.java

@@ -0,0 +1,37 @@
+/*
+ * Apus - A social wall for conferences with additional features.
+ * Copyright (C) Marcus Fihlon and the individual contributors to Apus.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published
+ * by the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package swiss.fihlon.apus.conference.doag;
+
+import org.junit.jupiter.api.Test;
+import swiss.fihlon.apus.conference.Session;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ConferenceAPITest {
+
+    @Test
+    void importViaHttps() {
+        final String location = "file:src/test/resources/DOAG.json";
+        final ConferenceAPI conferenceAPI = new ConferenceAPI(location);
+        final List<Session> sessions = conferenceAPI.getSessions();
+        assertEquals(159, sessions.size());
+    }
+
+}