SRSoftware/OpenCloudCal
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working on event detail page

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Signed-off-by: Stephan Richter <s.richter@srsoftware.de>
This commit is contained in:
StephanRichter
2024-12-26 19:28:24 +01:00
parent 9f806637c2
commit a90627d976
14 changed files with 178 additions and 59 deletions
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de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/ApiHandler.java
-81
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@@ -1,81 +0,0 @@
/* © SRSoftware 2024 */
package de.srsoftware.cal.app;
import static de.srsoftware.tools.Optionals.nullable;
import static java.lang.System.Logger;
import static java.lang.System.Logger.Level.WARNING;
import static java.lang.System.getLogger;
import com.sun.net.httpserver.HttpExchange;
import de.srsoftware.cal.api.Appointment;
import de.srsoftware.cal.db.Database;
import de.srsoftware.tools.Error;
import de.srsoftware.tools.PathHandler;
import de.srsoftware.tools.Payload;
import de.srsoftware.tools.Result;
import java.io.IOException;
import java.sql.SQLException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Map;
import org.json.JSONObject;
public class ApiHandler extends PathHandler {
private static final Logger LOG = getLogger(ApiHandler.class.getSimpleName());
private final Database db;
public ApiHandler(Database db) {
this.db = db;
}
@Override
public boolean doGet(String path, HttpExchange ex) throws IOException {
var params = queryParam(ex);
return switch (path) {
case "/event" -> loadEvent(ex,params);
case "/events/list" -> listEvents(ex,params);
default -> notFound(ex);
};
}
private boolean listEvents(HttpExchange ex, Map<String, String> params) throws IOException {
var start = nullable(params.get("start")).map(ApiHandler::toLocalDateTime).orElse(null);
var end = nullable(params.get("end")).map(ApiHandler::toLocalDateTime).orElse(null);
try {
return sendContent(ex,db.list(start, end).stream().map(Appointment::json).toList());
} catch (SQLException e) {
LOG.log(WARNING,"Failed to fetch events (start = {0}, end = {1}!",start,end,e);
}
return notFound(ex);
}
private boolean loadEvent(HttpExchange ex, Map<String, String> params) throws IOException {
var id = params.get("id");
if (id != null) try {
return sendContent(ex,db.loadEvent(Long.parseLong(id)).map(ApiHandler::toJson));
} catch (NumberFormatException | IOException nfe){
return sendContent(ex, Error.format("%s is not a numeric event id!",id));
}
return sendContent(ex,Error.of("ID missing"));
}
private static Result<JSONObject> toJson(Result<Appointment> appointmentResult) {
var opt = appointmentResult.optional();
return opt.isEmpty() ? transform(appointmentResult) :
Payload.of(opt.get().json());
}
private static <T> Result<T> transform(Result<?> res) {
return res instanceof Error<?> err ? err.transform() : Error.format("Invalid parameter: %s", res.getClass().getSimpleName());
}
private static LocalDateTime toLocalDateTime(String dateString) {
try {
return LocalDate.parse(dateString + "-01", DateTimeFormatter.ISO_LOCAL_DATE).atTime(0, 0);
} catch (Exception e) {
return null;
}
}
}
de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/Application.java
+3
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@@ -4,6 +4,9 @@ package de.srsoftware.cal.app;
import static java.lang.System.Logger.Level.*;
import com.sun.net.httpserver.HttpServer;
import de.srsoftware.cal.ApiHandler;
import de.srsoftware.cal.IndexHandler;
import de.srsoftware.cal.StaticHandler;
import de.srsoftware.cal.db.Database;
import de.srsoftware.cal.db.MariaDB;
import de.srsoftware.configuration.Configuration;
de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/IndexHandler.java
-22
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@@ -1,22 +0,0 @@
/* © SRSoftware 2024 */
package de.srsoftware.cal.app;
import com.sun.net.httpserver.HttpExchange;
import de.srsoftware.tools.PathHandler;
import java.io.IOException;
public class IndexHandler extends PathHandler {
PathHandler staticPages;
public IndexHandler(PathHandler staticPages) {
this.staticPages = staticPages;
}
@Override
public boolean doGet(String path, HttpExchange ex) throws IOException {
switch (path) {
case "/":
return staticPages.doGet("/index", ex);
}
return super.doGet(path, ex);
}
}
de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/StaticHandler.java
-38
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@@ -1,38 +0,0 @@
/* © SRSoftware 2024 */
package de.srsoftware.cal.app;
import com.sun.net.httpserver.HttpExchange;
import de.srsoftware.tools.PathHandler;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Optional;
public class StaticHandler extends PathHandler {
private final Optional<String> staticPath;
public StaticHandler(Optional<String> staticPath) {
this.staticPath = staticPath;
}
@Override
public boolean doGet(String path, HttpExchange ex) throws IOException {
if (!path.contains(".")) path += ".html";
if (path.startsWith("/")) path = path.substring(1);
var url = getClass().getClassLoader().getResource(path);
if (staticPath.isPresent()) {
var file = Path.of(staticPath.get()).resolve(path).toFile();
if (file.exists() && file.isFile()) url = file.toURI().toURL();
}
if (url == null) return notFound(ex);
var conn = url.openConnection();
var mime = conn.getContentType();
try (var input = conn.getInputStream()) {
var bos = new ByteArrayOutputStream();
input.transferTo(bos);
ex.getResponseHeaders().add(CONTENT_TYPE, mime);
return sendContent(ex, bos.toByteArray());
}
}
}