aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/com/juick/server/configuration/WwwAppConfiguration.java
blob: 66f1d8ce3141dab5223e2082be63a7f8da362dc8 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*
 * Copyright (C) 2008-2017, 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.server.configuration;

import com.juick.server.www.HelpService;
import com.juick.service.TagService;
import com.juick.service.UserService;
import com.mitchellbosecke.pebble.PebbleEngine;
import com.mitchellbosecke.pebble.extension.FormatterExtension;
import com.mitchellbosecke.pebble.loader.ClasspathLoader;
import com.mitchellbosecke.pebble.loader.Loader;
import com.mitchellbosecke.pebble.spring.PebbleViewResolver;
import com.mitchellbosecke.pebble.spring.extension.SpringExtension;
import org.apache.commons.codec.CharEncoding;
import org.commonmark.ext.autolink.AutolinkExtension;
import org.commonmark.node.Link;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.html.HtmlRenderer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.caffeine.CaffeineCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.CacheControl;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.resource.VersionResourceResolver;

import javax.inject.Inject;
import java.net.MalformedURLException;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.concurrent.TimeUnit;

/**
 * Created by aalexeev on 11/22/16.
 */
@Configuration
@EnableCaching
public class WwwAppConfiguration implements WebMvcConfigurer {
    @Inject
    private UserService userService;
    @Inject
    private TagService tagService;
    @Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
    private String imgDir;
    @Bean
    public CacheManager cacheManager() {
        return new CaffeineCacheManager("help", "users_by_name", "discussions", "messages", "replies", "popular_tags");
    }

    @Bean
    public HelpService helpService() {
        return new HelpService("help");
    }

    @Bean
    public Parser cmParser() {
        return Parser.builder().extensions(Collections.singletonList(AutolinkExtension.create())).build();
    }
    @Bean
    public HtmlRenderer helpRenderer() {
        return HtmlRenderer.builder()
                .attributeProviderFactory(context -> (node, tagName, attributes) -> {
                    if (node instanceof Link) {
                        Link link = (Link) node;
                        if (link.getDestination().startsWith("/")) {
                            String destination = "/" + helpService().getHelpPath() + link.getDestination();
                            link.setDestination(destination);
                            attributes.put("href", destination);
                        }
                    }
                })
                .build();
    }
    @Bean
    public Loader templateLoader() {
        return new ClasspathLoader();
    }

    @Bean
    public SpringExtension springExtension() {
        return new SpringExtension();
    }

    @Bean
    public PebbleEngine pebbleEngine() {
        boolean devToolsArePresent = false;
        try {
            Class.forName("org.springframework.boot.devtools.livereload.Connection");
            devToolsArePresent = true;
        } catch (ClassNotFoundException e) {
            // release mode
        }
        return new PebbleEngine.Builder()
                .loader(this.templateLoader())
                .cacheActive(!devToolsArePresent)
                .extension(springExtension())
                .extension(new FormatterExtension())
                .newLineTrimming(false)
                .strictVariables(true)
                .build();
    }

    @Bean
    public ViewResolver viewResolver() {
        PebbleViewResolver viewResolver = new PebbleViewResolver();
        viewResolver.setPrefix("templates");
        viewResolver.setSuffix(".html");
        viewResolver.setPebbleEngine(pebbleEngine());
        viewResolver.setCharacterEncoding(CharEncoding.UTF_8);
        return viewResolver;
    }
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        try {
            registry
                    .addResourceHandler("/**", "/i/a/**")
                    .addResourceLocations("classpath:/static/", Paths.get(imgDir, "/a/").toUri().toURL().toString())
                    .setCacheControl(CacheControl.maxAge(365, TimeUnit.DAYS))
                    .resourceChain(false)
                    .addResolver(new VersionResourceResolver().addContentVersionStrategy("/**", "/i/a/**"));
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
    }
}