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Add REST API for Caruna/Helen parser

This commit is contained in:
John Ahlroos 2021-07-02 10:54:37 +03:00
parent 51acb20cdd
commit b1f4a74152
Signed by: john
GPG Key ID: 258D0F70DB84CD5D
5 changed files with 114 additions and 2 deletions
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8
composite-parsers/src/main/java/com/devsoap/parsers/composites/CarunaHelenParser.java
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@ -1,5 +1,6 @@
package com.devsoap.parsers.composites;
import java.io.PrintStream;
import java.nio.file.Path;
import java.util.HashSet;
import java.util.Map;
@ -10,7 +11,10 @@ public class CarunaHelenParser {
public static void main(String[] args) {
var carunaFile = Path.of(args[0]);
var helenFile = Path.of(args[1]);
run(carunaFile, helenFile, System.out);
}
public static void run(Path carunaFile, Path helenFile, PrintStream result) {
var carunaPeriods = com.devsoap.parsers.caruna.Parser.parse(carunaFile);
var nightSiirto = carunaPeriods.entrySet().stream()
.collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().transferNightKwh));
@ -18,7 +22,7 @@ public class CarunaHelenParser {
.collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().transferDayKwh));
var helenPeriods = com.devsoap.parsers.helen.Parser.parse(helenFile, daySiirto, nightSiirto);
System.out.println("Kuukausi,Perusmaksu (energia),Perusmaksu (siirto),Päiväenergia (kWh),Päiväenergia " +
result.println("Kuukausi,Perusmaksu (energia),Perusmaksu (siirto),Päiväenergia (kWh),Päiväenergia " +
"(EUR),Yöenergia (kWh),Yöenergia (EUR),Päiväsiirto (kWh),Päiväsiirto (EUR),Yösiirto (kWh)" +
",Yösiirto (EUR),Vero");
@ -33,7 +37,7 @@ public class CarunaHelenParser {
hp.nightEnergyEur, cp.transferDayKwh, cp.transferDayTotal, cp.transferNightKwh,
cp.transferNightTotal, cp.tax);
csv = csv.replace(",0,",",,").replace(",0.00",",");
System.out.println(csv);
result.println(csv);
});
}
}

12
composite-parsers/src/main/resources/com/devsoap/parsers/composites/upload.html Normal file
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@ -0,0 +1,12 @@
<meta charset="UTF-8">
<html>
<body>
<form method="post" enctype="multipart/form-data">
<label for="carunaFile">Caruna File:</label>
<input type="file" id="carunaFile" name="caruna.pdf" />
<label for="helenFile">Helen File:</label>
<input type="file" id="helenFile" name="helen.pfd" />
<input type="submit" value="Submit files">
</form>
</body>
</html>

11
rest-api/build.gradle Normal file
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@ -0,0 +1,11 @@
dependencies {
implementation 'io.javalin:javalin:3.13.8'
implementation "org.thymeleaf:thymeleaf:3.0.11.RELEASE"
implementation project(':composite-parsers')
implementation 'org.apache.logging.log4j:log4j-core:2.11.0'
implementation 'org.apache.logging.log4j:log4j-slf4j-impl:2.11.0'
}
application.mainClass='com.devsoap.parsers.api.Api'

84
rest-api/src/main/java/com/devsoap/parsers/api/Api.java Normal file
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@ -0,0 +1,84 @@
package com.devsoap.parsers.api;
import com.devsoap.parsers.composites.CarunaHelenParser;
import io.javalin.Javalin;
import io.javalin.http.Context;
import io.javalin.http.UploadedFile;
import org.apache.log4j.Logger;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.core.config.Configurator;
import org.apache.logging.log4j.core.config.builder.api.ConfigurationBuilderFactory;
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardCopyOption;
import java.util.function.Consumer;
import static io.javalin.apibuilder.ApiBuilder.*;
public class Api {
static {
var logBuilder = ConfigurationBuilderFactory.newConfigurationBuilder();
logBuilder.add(logBuilder.newAppender("stdout", "Console"));
var rootLogger = logBuilder.newRootLogger(Level.INFO);
rootLogger.add(logBuilder.newAppenderRef("stdout"));
logBuilder.add(rootLogger);
Configurator.initialize(logBuilder.build());
}
private static final Logger LOGGER = Logger.getLogger(Api.class);
public static void main(String[] args) {
var app = Javalin.create().start(7000);
app.routes(() -> {
get(ctx -> { ctx.result("PDF Parsers REST API"); });
path("parsers", () -> {
path(CarunaHelenParser.class.getSimpleName(), () -> {
get(ctx -> ctx.render(renderParserStaticPage(CarunaHelenParser.class, "upload.html")));
post(ctx -> {
withUploadedFile(ctx.uploadedFiles().get(1), carunaFile -> {
withUploadedFile(ctx.uploadedFiles().get(0), helenFile -> {
var resultStream = new ByteArrayOutputStream();
try (var result = new PrintStream(resultStream)) {
CarunaHelenParser.run(carunaFile, helenFile, result);
}
renderReport(ctx, new ByteArrayInputStream(resultStream.toByteArray()),
"caruna-helen-report.csv");
});
});
});
});
});
});
}
private static void withUploadedFile(UploadedFile fileUpload, Consumer<Path> processor) {
try {
var file = Files.createTempFile(fileUpload.getFilename(), fileUpload.getExtension());
Files.copy(fileUpload.getContent(), file, StandardCopyOption.REPLACE_EXISTING);
try {
processor.accept(file);
} finally {
file.toFile().delete();
}
} catch (IOException e) {
LOGGER.error("Failed to process file " + fileUpload.getFilename(), e);
return;
}
}
private static void renderReport(Context context, InputStream result, String filename) {
context.result(result)
.header("Content-Type", "text/csv; charset=utf-8")
.header("Content-Disposition","inline; filename=\""+filename+"\"");
}
private static String renderParserStaticPage(Class<?> clazz, String page) {
var folder = clazz.getPackageName().replace(".", "/");
return folder + "/" + page;
}
}

1
settings.gradle
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@ -18,4 +18,5 @@ include 'caruna-invoice'
include 'helen-invoice'
include 'composite-parsers'
include 'plugsurfing-invoice'
include 'rest-api'