Source code

001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.util.placeholders;
020
021import com.google.common.base.Function;
022import com.google.common.base.Preconditions;
023import com.google.common.collect.Maps;
024import com.google.inject.Inject;
025import com.google.inject.Singleton;
026import com.plotsquared.core.PlotSquared;
027import com.plotsquared.core.configuration.Settings;
028import com.plotsquared.core.configuration.caption.LocaleHolder;
029import com.plotsquared.core.configuration.caption.TranslatableCaption;
030import com.plotsquared.core.player.MetaDataAccess;
031import com.plotsquared.core.player.PlayerMetaDataKeys;
032import com.plotsquared.core.player.PlotPlayer;
033import com.plotsquared.core.plot.Plot;
034import com.plotsquared.core.plot.flag.GlobalFlagContainer;
035import com.plotsquared.core.plot.flag.PlotFlag;
036import com.plotsquared.core.plot.flag.implementations.DoneFlag;
037import com.plotsquared.core.plot.flag.implementations.ServerPlotFlag;
038import com.plotsquared.core.util.EventDispatcher;
039import com.plotsquared.core.util.PlayerManager;
040import com.plotsquared.core.util.query.PlotQuery;
041import net.kyori.adventure.text.Component;
042import org.checkerframework.checker.nullness.qual.NonNull;
043import org.checkerframework.checker.nullness.qual.Nullable;
044
045import java.math.BigDecimal;
046import java.math.RoundingMode;
047import java.text.SimpleDateFormat;
048import java.util.Collection;
049import java.util.Collections;
050import java.util.Locale;
051import java.util.Map;
052import java.util.Set;
053import java.util.TimeZone;
054import java.util.UUID;
055import java.util.concurrent.TimeUnit;
056import java.util.function.BiFunction;
057import java.util.stream.Collectors;
058
059/**
060 * Registry that contains {@link Placeholder placeholders}
061 */
062@Singleton
063public final class PlaceholderRegistry {
064
065    private final Map<String, Placeholder> placeholders;
066    private final EventDispatcher eventDispatcher;
067
068    @Inject
069    public PlaceholderRegistry(final @NonNull EventDispatcher eventDispatcher) {
070        this.placeholders = Maps.newHashMap();
071        this.eventDispatcher = eventDispatcher;
072        this.registerDefault();
073    }
074
075    /**
076     * Converts a {@link Component} into a legacy-formatted string.
077     *
078     * @param caption      the caption key.
079     * @param localeHolder the locale holder to get the component for
080     * @return a legacy-formatted string.
081     */
082    private static String legacyComponent(TranslatableCaption caption, LocaleHolder localeHolder) {
083        return PlotSquared.platform().toLegacyPlatformString(caption.toComponent(localeHolder).asComponent());
084    }
085
086    private void registerDefault() {
087        final GlobalFlagContainer globalFlagContainer = GlobalFlagContainer.getInstance();
088        for (final PlotFlag<?, ?> flag : globalFlagContainer.getRecognizedPlotFlags()) {
089            this.registerPlaceholder(new PlotFlagPlaceholder(flag, true));
090            this.registerPlaceholder(new PlotFlagPlaceholder(flag, false));
091        }
092        GlobalFlagContainer.getInstance().subscribe((flag, type) -> {
093            this.registerPlaceholder(new PlotFlagPlaceholder(flag, true));
094            this.registerPlaceholder(new PlotFlagPlaceholder(flag, false));
095        });
096        this.createPlaceholder("world_name", player -> player.getLocation().getWorldName());
097        this.createPlaceholder("has_plot", player -> player.getPlotCount() > 0 ? "true" : "false");
098        this.createPlaceholder("allowed_plot_count", (player) -> {
099            if (player.getAllowedPlots() >= Integer.MAX_VALUE) { // Beautifies cases with '*' permission
100                return legacyComponent(TranslatableCaption.of("info.infinite"), player);
101            }
102            return Integer.toString(player.getAllowedPlots());
103        });
104        this.createPlaceholder("base_plot_count", player -> Integer.toString(PlotQuery.newQuery()
105                .ownedBy(player)
106                .whereBasePlot()
107                .thatPasses(plot -> !DoneFlag.isDone(plot))
108                .count())
109        );
110        this.createPlaceholder("plot_count", player -> Integer.toString(player.getPlotCount()));
111        this.createPlaceholder("currentplot_alias", (player, plot) -> {
112            if (plot.getAlias().isEmpty()) {
113                return legacyComponent(TranslatableCaption.of("info.none"), player);
114            }
115            return plot.getAlias();
116        });
117        this.createPlaceholder("currentplot_owner", (player, plot) -> {
118            if (plot.getFlag(ServerPlotFlag.class)) {
119                return legacyComponent(TranslatableCaption.of("info.server"), player);
120            }
121            final UUID plotOwner = plot.getOwnerAbs();
122            if (plotOwner == null) {
123                return legacyComponent(TranslatableCaption.of("generic.generic_unowned"), player);
124            }
125            try {
126                return PlotSquared.platform().playerManager().getUsernameCaption(plotOwner)
127                        .get(Settings.UUID.BLOCKING_TIMEOUT, TimeUnit.MILLISECONDS).getComponent(player);
128            } catch (final Exception ignored) {
129            }
130            return legacyComponent(TranslatableCaption.of("info.unknown"), player);
131        });
132        this.createPlaceholder("currentplot_owners", (player, plot) -> {
133            if (plot.getFlag(ServerPlotFlag.class)) {
134                return legacyComponent(TranslatableCaption.of("info.server"), player);
135            }
136            final Set<UUID> plotOwners = plot.getOwners();
137            if (plotOwners.isEmpty()) {
138                return legacyComponent(TranslatableCaption.of("generic.generic_unowned"), player);
139            }
140            return plotOwners.stream().map(PlotSquared.platform().playerManager()::getUsernameCaption).map(f -> {
141                try {
142                    return f.get(Settings.UUID.BLOCKING_TIMEOUT, TimeUnit.MILLISECONDS).getComponent(player);
143                } catch (final Exception ignored) {
144                    return legacyComponent(TranslatableCaption.of("info.unknown"), player);
145                }
146            }).collect(Collectors.joining(", "));
147        });
148        this.createPlaceholder("currentplot_members", (player, plot) -> {
149            if (plot.getMembers().isEmpty() && plot.getTrusted().isEmpty()) {
150                return legacyComponent(TranslatableCaption.of("info.none"), player);
151            }
152            return String.valueOf(plot.getMembers().size() + plot.getTrusted().size());
153        });
154        this.createPlaceholder("currentplot_members_added", (player, plot) -> {
155            if (plot.getMembers().isEmpty()) {
156                return legacyComponent(TranslatableCaption.of("info.none"), player);
157            }
158            return String.valueOf(plot.getMembers().size());
159        });
160        this.createPlaceholder("currentplot_members_trusted", (player, plot) -> {
161            if (plot.getTrusted().isEmpty()) {
162                return legacyComponent(TranslatableCaption.of("info.none"), player);
163            }
164            return String.valueOf(plot.getTrusted().size());
165        });
166        this.createPlaceholder("currentplot_members_denied", (player, plot) -> {
167            if (plot.getDenied().isEmpty()) {
168                return legacyComponent(TranslatableCaption.of("info.none"), player);
169            }
170            return String.valueOf(plot.getDenied().size());
171        });
172        this.createPlaceholder("currentplot_members_trusted_list", (player, plot) -> {
173            if (plot.getTrusted().isEmpty()) {
174                return legacyComponent(TranslatableCaption.of("info.none"), player);
175            }
176            return PlotSquared.platform().toLegacyPlatformString(
177                    PlayerManager.getPlayerList(plot.getTrusted(), player));
178        });
179        this.createPlaceholder("currentplot_members_added_list", (player, plot) -> {
180            if (plot.getMembers().isEmpty()) {
181                return legacyComponent(TranslatableCaption.of("info.none"), player);
182            }
183            return PlotSquared.platform().toLegacyPlatformString(
184                    PlayerManager.getPlayerList(plot.getMembers(), player));
185        });
186        this.createPlaceholder("currentplot_members_denied_list", (player, plot) -> {
187            if (plot.getDenied().isEmpty()) {
188                return legacyComponent(TranslatableCaption.of("info.none"), player);
189            }
190            return PlotSquared.platform().toLegacyPlatformString(
191                    PlayerManager.getPlayerList(plot.getDenied(), player));
192        });
193        this.createPlaceholder("currentplot_creationdate", (player, plot) -> {
194            if (plot.getTimestamp() == 0 || !plot.hasOwner()) {
195                return legacyComponent(TranslatableCaption.of("info.unknown"), player);
196            }
197            long creationDate = plot.getTimestamp();
198            SimpleDateFormat sdf = new SimpleDateFormat(Settings.Timeformat.DATE_FORMAT);
199            sdf.setTimeZone(TimeZone.getTimeZone(Settings.Timeformat.TIME_ZONE));
200            return sdf.format(creationDate);
201        });
202        this.createPlaceholder("currentplot_can_build", (player, plot) ->
203                plot.isAdded(player.getUUID()) ? "true" : "false");
204        this.createPlaceholder("currentplot_x", (player, plot) -> Integer.toString(plot.getId().getX()));
205        this.createPlaceholder("currentplot_y", (player, plot) -> Integer.toString(plot.getId().getY()));
206        this.createPlaceholder("currentplot_xy", (player, plot) -> plot.getId().toString());
207        this.createPlaceholder("currentplot_rating", (player, plot) -> {
208            if (Double.isNaN(plot.getAverageRating())) {
209                return legacyComponent(TranslatableCaption.of("placeholder.nan"), player);
210            }
211            BigDecimal roundRating = BigDecimal.valueOf(plot.getAverageRating()).setScale(2, RoundingMode.HALF_UP);
212            if (!Settings.General.SCIENTIFIC) {
213                return String.valueOf(roundRating);
214            } else {
215                return Double.toString(plot.getAverageRating());
216            }
217        });
218        this.createPlaceholder("currentplot_biome", (player, plot) -> plot.getBiomeSynchronous().toString());
219        this.createPlaceholder("currentplot_size", (player, plot) -> String.valueOf(plot.getConnectedPlots().size()));
220        this.createPlaceholder("total_grants", player -> {
221            try (final MetaDataAccess<Integer> metaDataAccess = player.accessPersistentMetaData(PlayerMetaDataKeys.PERSISTENT_GRANTED_PLOTS)) {
222                return Integer.toString(metaDataAccess.get().orElse(0));
223            }
224        });
225    }
226
227    /**
228     * Create a functional placeholder
229     *
230     * @param key                 Placeholder key
231     * @param placeholderFunction Placeholder generator. Cannot return null
232     */
233    @SuppressWarnings("ALL")
234    public void createPlaceholder(
235            final @NonNull String key,
236            final @NonNull Function<PlotPlayer<?>, String> placeholderFunction
237    ) {
238        this.registerPlaceholder(new Placeholder(key) {
239            @Override
240            public @NonNull String getValue(final @NonNull PlotPlayer<?> player) {
241                return placeholderFunction.apply(player);
242            }
243        });
244    }
245
246    /**
247     * Create a functional placeholder
248     *
249     * @param key                 Placeholder key
250     * @param placeholderFunction Placeholder generator. Cannot return null
251     */
252    public void createPlaceholder(
253            final @NonNull String key,
254            final @NonNull BiFunction<PlotPlayer<?>, Plot, String> placeholderFunction
255    ) {
256        this.registerPlaceholder(new PlotSpecificPlaceholder(key) {
257            @Override
258            public @NonNull String getValue(final @NonNull PlotPlayer<?> player, final @NonNull Plot plot) {
259                return placeholderFunction.apply(player, plot);
260            }
261        });
262    }
263
264    /**
265     * Register a placeholder
266     *
267     * @param placeholder Placeholder instance
268     */
269    public void registerPlaceholder(final @NonNull Placeholder placeholder) {
270        final Placeholder previous = this.placeholders
271                .put(
272                        placeholder.getKey().toLowerCase(Locale.ENGLISH),
273                        Preconditions.checkNotNull(placeholder, "Placeholder may not be null")
274                );
275        if (previous == null) {
276            this.eventDispatcher.callGenericEvent(new PlaceholderAddedEvent(placeholder));
277        }
278    }
279
280    /**
281     * Get a placeholder instance from its key
282     *
283     * @param key Placeholder key
284     * @return Placeholder value
285     */
286    public @Nullable Placeholder getPlaceholder(final @NonNull String key) {
287        return this.placeholders.get(
288                Preconditions.checkNotNull(key, "Key may not be null").toLowerCase(Locale.ENGLISH));
289    }
290
291    /**
292     * Get the placeholder value evaluated for a player, and catch and deal with any problems
293     * occurring while doing so
294     *
295     * @param key    Placeholder key
296     * @param player Player to evaluate for
297     * @return Replacement value
298     */
299    public @NonNull String getPlaceholderValue(
300            final @NonNull String key,
301            final @NonNull PlotPlayer<?> player
302    ) {
303        final Placeholder placeholder = getPlaceholder(key);
304        if (placeholder == null) {
305            return "";
306        }
307        String placeholderValue = "";
308        try {
309            placeholderValue = placeholder.getValue(player);
310            // If a placeholder for some reason decides to be disobedient, we catch it here
311            if (placeholderValue == null) {
312                new RuntimeException(String
313                        .format("Placeholder '%s' returned null for player '%s'", placeholder.getKey(),
314                                player.getName()
315                        )).printStackTrace();
316            }
317        } catch (final Exception exception) {
318            new RuntimeException(String
319                    .format("Placeholder '%s' failed to evalulate for player '%s'",
320                            placeholder.getKey(), player.getName()
321                    ), exception).printStackTrace();
322        }
323        return placeholderValue;
324    }
325
326    /**
327     * Get all placeholders
328     *
329     * @return Unmodifiable collection of placeholders
330     */
331    public @NonNull Collection<Placeholder> getPlaceholders() {
332        return Collections.unmodifiableCollection(this.placeholders.values());
333    }
334
335    /**
336     * Event called when a new {@link Placeholder} has been added
337     */
338    public record PlaceholderAddedEvent(
339            Placeholder placeholder
340    ) {
341
342    }
343
344}