From 1b93e5b16ee5bc7253f3b06639fb9e9abb46acd0 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 3 Apr 2020 21:40:51 +0300
Subject: Extract sape code into ControllerAdvice

---
 src/main/java/com/juick/www/WebApp.java | 129 ++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 src/main/java/com/juick/www/WebApp.java

(limited to 'src/main/java/com/juick/www/WebApp.java')

diff --git a/src/main/java/com/juick/www/WebApp.java b/src/main/java/com/juick/www/WebApp.java
new file mode 100644
index 00000000..a0675e6d
--- /dev/null
+++ b/src/main/java/com/juick/www/WebApp.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright (C) 2008-2019, Juick
+ *
+ * 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 com.juick.www;
+
+import com.juick.model.Message;
+import com.juick.model.Tag;
+import com.juick.model.User;
+import com.juick.service.TagService;
+import com.mitchellbosecke.pebble.PebbleEngine;
+import com.mitchellbosecke.pebble.template.PebbleTemplate;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.resource.ResourceUrlProvider;
+import org.springframework.web.util.UriComponentsBuilder;
+
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.*;
+import java.util.stream.Stream;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+@Component
+public class WebApp {
+    @Inject
+    private TagService tagService;
+    @Inject
+    private ResourceUrlProvider resourceUrlProvider;
+    @Inject
+    private PebbleEngine pebbleEngine;
+    @Value("${img_url:http://localhost:8080/i/}")
+    private String baseImagesUri;
+    UriComponentsBuilder avatarBuilder;
+
+    @PostConstruct
+    public void init() {
+        avatarBuilder = UriComponentsBuilder.fromUriString(baseImagesUri);
+    }
+
+    public List<Tag> parseTags(String tagsStr) {
+        List<Tag> tags = new ArrayList<>();
+        if (tagsStr != null && !tagsStr.isEmpty()) {
+            Stream<String> tagsList = Arrays.stream(tagsStr.split("[ \\,]"))
+                    .distinct().map( t -> {
+                if (t.startsWith("*")) {
+                    t = t.substring(1);
+                }
+                if (t.length() > 64) {
+                    t = t.substring(0, 64);
+                }
+                return t;
+            });
+            tags = tagService.getTags(tagsList, true);
+            while (tags.size() > 5) {
+                tags.remove(5);
+            }
+        }
+        return tags;
+    }
+
+    public String getStyleUrl() {
+        return resourceUrlProvider.getForLookupPath("/style.css");
+    }
+
+    public String getScriptsUrl() {
+        return resourceUrlProvider.getForLookupPath("/scripts.js");
+    }
+    public String getAvatarWebPath(User user) {
+        String avatarUri = resourceUrlProvider.getForLookupPath(String.format("/i/a/%d.png", user.getUid()));
+        if (StringUtils.isNotEmpty(avatarUri)) {
+            return avatarUri;
+        }
+        return resourceUrlProvider.getForLookupPath("/av-96.png");
+    }
+
+    public String getAvatarUrl(User user) {
+        avatarBuilder.replacePath(getAvatarWebPath(user));
+        return avatarBuilder.build().toUriString();
+    }
+    public Optional<String> renderPlaintext(String body, String messageUrl) {
+        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/plaintext");
+        Map<String, Object> context = new HashMap<>();
+        context.put("messageBody", body);
+        context.put("messageUrl", messageUrl);
+        try {
+            Writer writer = new StringWriter();
+            noteTemplate.evaluate(writer, context);
+            return Optional.of(writer.toString());
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
+
+    public Optional<String> renderHtml(String body, String messageUrl, Message msg, String hash) {
+        PebbleTemplate noteTemplate = pebbleEngine.getTemplate("email/html");
+        Map<String, Object> context = new HashMap<>();
+        context.put("messageBody", body);
+        context.put("messageUrl", messageUrl);
+        context.put("msg", msg);
+        context.put("hash", hash);
+        try {
+            Writer writer = new StringWriter();
+            noteTemplate.evaluate(writer, context);
+            return Optional.of(writer.toString());
+        } catch (IOException e) {
+            return Optional.empty();
+        }
+    }
+}
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