com.wellsandwhistles.android.redditsp.reddit.things.RedditSubreddit.java Source code

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Here is the source code for com.wellsandwhistles.android.redditsp.reddit.things.RedditSubreddit.java

Source

package com.wellsandwhistles.android.redditsp.reddit.things;

/** This file was either copied or modified from https://github.com/QuantumBadger/RedReader
 * under the Free Software Foundation General Public License version 3*/

import android.os.Parcel;
import android.os.Parcelable;
import org.apache.commons.lang3.StringEscapeUtils;
import com.wellsandwhistles.android.redditsp.common.General;
import com.wellsandwhistles.android.redditsp.common.UnexpectedInternalStateException;
import com.wellsandwhistles.android.redditsp.io.WritableObject;

import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RedditSubreddit implements Parcelable, Comparable<RedditSubreddit>, WritableObject<String> {

    public String getKey() {
        try {
            return getCanonicalName();
        } catch (InvalidSubredditNameException e) {
            throw new UnexpectedInternalStateException(String.format(Locale.US, "Cannot save subreddit '%s'", url));
        }
    }

    public long getTimestamp() {
        return downloadTime;
    }

    @WritableObjectVersion
    public static int DB_VERSION = 1;

    public static final class InvalidSubredditNameException extends Exception {
        public InvalidSubredditNameException(String subredditName) {
            super(String.format(Locale.US, "Invalid subreddit name '%s'.",
                    subredditName == null ? "NULL" : subredditName));
        }
    }

    @WritableField
    public String header_img, header_title;
    @WritableField
    public String description, description_html, public_description;
    @WritableField
    public String id, name, title, display_name, url;
    @WritableField
    public long created, created_utc;
    @WritableField
    public Integer accounts_active, subscribers;
    @WritableField
    public boolean over18;

    @WritableObjectTimestamp
    public long downloadTime;

    private static final Pattern NAME_PATTERN = Pattern.compile("(/)?(r/)?([\\w\\+\\-\\.:]+)/?");

    public RedditSubreddit(CreationData creationData) {
        this();
        downloadTime = creationData.timestamp;
    }

    public static String stripRPrefix(String name) throws InvalidSubredditNameException {
        final Matcher matcher = NAME_PATTERN.matcher(name);
        if (matcher.matches()) {
            return matcher.group(3);
        } else {
            throw new InvalidSubredditNameException(name);
        }
    }

    /**
     * @param name a subreddit name in the form "subreddit", "r/subreddit" or "/r/subreddit" (case-insensitive)
     * @return a subreddit name in the form "/r/subreddit" (lower-cased)
     * @throws InvalidSubredditNameException if {@code name} is null or not in the expected format
     */
    public static String getCanonicalName(String name) throws InvalidSubredditNameException {
        return "/r/" + General.asciiLowercase(stripRPrefix(name));
    }

    public String getCanonicalName() throws InvalidSubredditNameException {
        return getCanonicalName(url);
    }

    public static String getDisplayNameFromCanonicalName(String canonicalName) {
        return canonicalName.substring(3);
    }

    public int describeContents() {
        return 0;
    }

    public void writeToParcel(final Parcel out, final int flags) {
        out.writeString(header_img);
        out.writeString(header_title);
        out.writeString(description);
        out.writeString(description_html);
        out.writeString(public_description);
        out.writeString(id);
        out.writeString(name);
        out.writeString(title);
        out.writeString(display_name);
        out.writeString(url);
        out.writeLong(created);
        out.writeLong(created_utc);
        out.writeInt(accounts_active == null ? -1 : accounts_active);
        out.writeInt(subscribers == null ? -1 : subscribers);
        out.writeInt(over18 ? 1 : 0);
    }

    public RedditSubreddit() {
    }

    public RedditSubreddit(String url, String title, final boolean isSortable) {
        this.url = url;
        this.title = title;
    }

    public RedditSubreddit(final Parcel parcel) {
        header_img = parcel.readString();
        header_title = parcel.readString();
        description = parcel.readString();
        description_html = parcel.readString();
        public_description = parcel.readString();
        id = parcel.readString();
        name = parcel.readString();
        title = parcel.readString();
        display_name = parcel.readString();
        url = parcel.readString();
        created = parcel.readLong();
        created_utc = parcel.readLong();

        accounts_active = parcel.readInt();
        subscribers = parcel.readInt();

        if (accounts_active < 0)
            accounts_active = null;
        if (subscribers < 0)
            subscribers = null;

        over18 = parcel.readInt() == 1;
    }

    public static final Parcelable.Creator<RedditSubreddit> CREATOR = new Parcelable.Creator<RedditSubreddit>() {
        public RedditSubreddit createFromParcel(final Parcel in) {
            return new RedditSubreddit(in);
        }

        public RedditSubreddit[] newArray(final int size) {
            return new RedditSubreddit[size];
        }
    };

    public int compareTo(final RedditSubreddit another) {
        return General.asciiLowercase(display_name).compareTo(General.asciiLowercase(another.display_name));
    }

    public String getSidebarHtml(boolean nightMode) {
        final String unescaped = StringEscapeUtils.unescapeHtml4(description_html);

        final StringBuilder result = new StringBuilder(unescaped.length() + 512);

        result.append("<html>");

        result.append("<head>");
        result.append("<meta name=\"viewport\" content=\"width=device-width, user-scalable=yes\">");

        if (nightMode) {
            result.append("<style>");
            result.append("body {color: white; background-color: black;}");
            result.append("a {color: #3399FF; background-color: 000033;}");
            result.append("</style>");
        }

        result.append("</head>");

        result.append("<body>");
        result.append(unescaped);
        result.append("</body>");

        result.append("</html>");

        return result.toString();
    }
}