EpicKnarvik97/PlotSquared
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feat: rewrite database interactions

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The goal of this PR is to completely re-write how PlotSquared interacts with databases. This will be achieved using Flyway, JDBI and new architectural principles.
This commit is contained in:
Alexander Söderberg 2022-05-09 19:05:24 +02:00
parent 16e26b910c
commit 86c54bf04c
13 changed files with 331 additions and 10 deletions
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4
Core/build.gradle.kts
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@ -37,6 +37,10 @@ dependencies {
// Logging
compileOnlyApi(libs.log4j)
// Records are cool. Builders are cooler
compileOnly(libs.recordBuilderProcessor)
annotationProcessor(libs.recordBuilderProcessor)
// Other libraries
api(libs.prtree)
api(libs.aopalliance)

8
Core/src/main/java/com/plotsquared/core/player/PlotRole.java Normal file
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@ -0,0 +1,8 @@
package com.plotsquared.core.player;
public enum PlotRole {
OWNER,
HELPER,
TRUSTED,
DENIED,
}

18
Core/src/main/java/com/plotsquared/core/plot/Plot.java
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@ -290,14 +290,14 @@ public class Plot {
* @param area the plot's PlotArea
* @param merged an array giving merged plots
* @param timestamp when the plot was created
* @param temp value representing whatever DBManager needs to to. Do not touch tbh.
* @param temp value representing whatever DBManager needs it to. Do not touch tbh.
*/
public Plot(
@NonNull PlotId id,
UUID owner,
HashSet<UUID> trusted,
HashSet<UUID> members,
HashSet<UUID> denied,
Set<UUID> trusted,
Set<UUID> members,
Set<UUID> denied,
String alias,
BlockLoc position,
Collection<PlotFlag<?, ?>> flags,
@ -310,9 +310,9 @@ public class Plot {
this.area = area;
this.owner = owner;
this.settings = new PlotSettings();
this.members = members;
this.trusted = trusted;
this.denied = denied;
this.members = new HashSet<>(members);
this.trusted = new HashSet<>(trusted);
this.denied = new HashSet<>(denied);
this.settings.setAlias(alias);
this.settings.setPosition(position);
this.settings.setMerged(merged);
@ -321,9 +321,7 @@ public class Plot {
if (area != null) {
this.flagContainer.setParentContainer(area.getFlagContainer());
if (flags != null) {
for (PlotFlag<?, ?> flag : flags) {
this.flagContainer.addFlag(flag);
}
flags.forEach(this.flagContainer::addFlag);
}
}
PlotSquared.platform().injector().injectMembers(this);

56
Core/src/main/java/com/plotsquared/core/plot/PlotService.java Normal file
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@ -0,0 +1,56 @@
package com.plotsquared.core.plot;
import com.plotsquared.core.repository.PlotRepository;
import com.plotsquared.core.repository.PlotRoleRepository;
import com.plotsquared.core.repository.PlotSettingsRepository;
import com.plotsquared.core.repository.dbo.PlotSettingsDBOBuilder;
import org.checkerframework.checker.nullness.qual.NonNull;
import javax.inject.Inject;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;
public final class PlotService {
private static final String PLOT_SETTINGS_DEFAULT_POSITION = "default";
private final PlotRepository plotRepository;
private final PlotSettingsRepository plotSettingsRepository;
private final PlotRoleRepository plotRoleRepository;
@Inject
public PlotService(
final @NonNull PlotRepository plotRepository,
final @NonNull PlotSettingsRepository plotSettingsRepository,
final @NonNull PlotRoleRepository plotRoleRepository
) {
this.plotRepository = plotRepository;
this.plotSettingsRepository = plotSettingsRepository;
this.plotRoleRepository = plotRoleRepository;
}
/**
* Returns a list containing all the plots in the given {@code plotArea}.
*
* @param plotArea the area
* @return all plots in the area
*/
public @NonNull Collection<Plot> getPlotsInArea(final @NonNull PlotArea plotArea) {
return this.plotRepository.getPlotsInArea(plotArea.getId())
.map(plotDBO -> {
final var settings = this.plotSettingsRepository.findById(plotDBO)
.orElseGet(() -> PlotSettingsDBOBuilder.builder()
.plot(plotDBO)
.position(PLOT_SETTINGS_DEFAULT_POSITION)
.build()
);
return plotDBO.toPlot(
plotArea,
settings,
this.plotRoleRepository.findAllFor(plotDBO),
List.of()
);
}).collect(Collectors.toList());
}
}

21
Core/src/main/java/com/plotsquared/core/repository/PlotRepository.java Normal file
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@ -0,0 +1,21 @@
package com.plotsquared.core.repository;
import com.plotsquared.core.plot.PlotId;
import com.plotsquared.core.repository.dbo.PlotDBO;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.stream.Stream;
/**
* {@link Repository} storing {@link PlotDBO plots} identified by their respective {@link PlotId}.
*/
public interface PlotRepository extends Repository<PlotDBO, Integer> {
/**
* Returns all plots in the given {@code area}.
*
* @param area the plot area
* @return a stream with all plots in the given area.
*/
@NonNull Stream<PlotDBO> getPlotsInArea(@NonNull String area);
}

12
Core/src/main/java/com/plotsquared/core/repository/PlotRoleRepository.java Normal file
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@ -0,0 +1,12 @@
package com.plotsquared.core.repository;
import com.plotsquared.core.repository.dbo.PlotDBO;
import com.plotsquared.core.repository.dbo.PlotRoleDBO;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.List;
public interface PlotRoleRepository extends Repository<PlotRoleDBO, PlotRoleDBO.Key> {
List<PlotRoleDBO> findAllFor(@NonNull PlotDBO plotDBO);
}

8
Core/src/main/java/com/plotsquared/core/repository/PlotSettingsRepository.java Normal file
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@ -0,0 +1,8 @@
package com.plotsquared.core.repository;
import com.plotsquared.core.repository.dbo.PlotDBO;
import com.plotsquared.core.repository.dbo.PlotSettingsDBO;
public interface PlotSettingsRepository extends Repository<PlotSettingsDBO, PlotDBO> {
}

28
Core/src/main/java/com/plotsquared/core/repository/Repository.java Normal file
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@ -0,0 +1,28 @@
package com.plotsquared.core.repository;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.Optional;
/**
* Generic object repository.
*
* @param <T> the type of object stored in the repository.
* @param <U> the type used to identify objects stored in the repository.
*/
public interface Repository<@NonNull T, @NonNull U> {
/**
* Saves the given object.
*
* @param object {@code the object}.
*/
void save(T object);
/**
* Finds the object by its {@code id}.
*
* @param id the id
*/
@NonNull Optional<T> findById(U id);
}

65
Core/src/main/java/com/plotsquared/core/repository/dbo/PlotDBO.java Normal file
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@ -0,0 +1,65 @@
package com.plotsquared.core.repository.dbo;
import com.plotsquared.core.location.BlockLoc;
import com.plotsquared.core.plot.Plot;
import com.plotsquared.core.plot.PlotArea;
import com.plotsquared.core.plot.PlotId;
import com.plotsquared.core.plot.flag.PlotFlag;
import io.soabase.recordbuilder.core.RecordBuilder;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.time.Instant;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Objects;
import java.util.Set;
import java.util.UUID;
@RecordBuilder
public record PlotDBO(
@Nullable Integer id,
int plotIdX,
int plotIdZ,
@NonNull String world,
@NonNull UUID owner,
@NonNull Instant timestamp
) {
public @NonNull Plot toPlot(
final @NonNull PlotArea plotArea,
final @NonNull PlotSettingsDBO plotSettingsDBO,
final @NonNull Collection<PlotRoleDBO> plotRoles,
final @NonNull Collection<PlotFlag<?, ?>> flags
) {
final PlotId plotId = PlotId.of(this.plotIdX(), this.plotIdZ());
final int id = Objects.requireNonNull(id(), "id may not be null");
final Set<UUID> trusted = new HashSet<>();
final Set<UUID> members = new HashSet<>();
final Set<UUID> denied = new HashSet<>();
for (final PlotRoleDBO plotRole : plotRoles) {
switch (plotRole.plotRole()) {
case TRUSTED -> trusted.add(plotRole.userId());
case HELPER -> members.add(plotRole.userId());
case DENIED -> denied.add(plotRole.userId());
}
}
return new Plot(
plotId,
this.owner(),
Collections.unmodifiableSet(trusted),
Collections.unmodifiableSet(members),
Collections.unmodifiableSet(denied),
plotSettingsDBO.alias(),
BlockLoc.fromString(plotSettingsDBO.position()),
flags,
plotArea,
plotSettingsDBO.unwrapMerged(),
this.timestamp().toEpochMilli(),
id
);
}
}

22
Core/src/main/java/com/plotsquared/core/repository/dbo/PlotRoleDBO.java Normal file
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@ -0,0 +1,22 @@
package com.plotsquared.core.repository.dbo;
import com.plotsquared.core.player.PlotRole;
import io.soabase.recordbuilder.core.RecordBuilder;
import org.checkerframework.checker.nullness.qual.NonNull;
import java.util.UUID;
@RecordBuilder
public record PlotRoleDBO(
@NonNull PlotDBO plot,
@NonNull UUID userId,
@NonNull PlotRole plotRole
) {
public @NonNull Key key() {
return new Key(this.plot(), this.userId());
}
public record Key(@NonNull PlotDBO plot, @NonNull UUID userId) {
}
}

29
Core/src/main/java/com/plotsquared/core/repository/dbo/PlotSettingsDBO.java Normal file
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@ -0,0 +1,29 @@
package com.plotsquared.core.repository.dbo;
import io.soabase.recordbuilder.core.RecordBuilder;
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
@RecordBuilder
public record PlotSettingsDBO(
@NonNull PlotDBO plot,
@Nullable String alias,
Integer merged,
@NonNull String position
) {
/**
* Unwraps {@link #merged()} into an array indicating whether the plot is merged in
* any given cardinal direction. The indices of the array correspond to the ordinals of
* {@link com.plotsquared.core.location.Direction}.
*
* @return unwrapped merged status
*/
public boolean@NonNull [] unwrapMerged() {
final boolean[] merged = new boolean[4];
for (int i = 0; i < 4; i++) {
merged[3 - i] = (this.merged() & 1 << i) != 0;
}
return merged;
}
}

68
Core/src/main/resources/migrations/mysql/R__01_create_tables.sql Normal file
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@ -0,0 +1,68 @@
create table if not exists ${prefix}plot(
id int(11) not null auto_increment,
plot_id_x int(11) not null,
plot_id_z int(11) not null,
world varchar(45) not null,
owner varchar(40) not null,
timestamp timestamp not null default current_timestamp,
primary key (id)
) engine=InnoDB default charset=utf8 auto_increment=0;
-- TODO: Migrating existing data to this table.
create table if not exists ${prefix}plot_role(
plot_id int(11) not null,
user_id varchar(45) not null,
role enum('helper', 'trusted', 'denied') not null,
foreign key (plot_id) references ${prefix}plot(id) on delete cascade,
primary key (plot_id, user_id)
) engine=InnoDB default charset=utf8 auto_increment=0;
create table if not exists ${prefix}plot_comments(
world varchar(45) not null,
comment varchar(45) not null,
inbox varchar(45) not null,
timestamp int(11) not null,
sender varchar(45) not null
) engine=InnoDB default charset=utf8 auto_increment=0;
-- TODO: Look into what to do with this one...
-- Most data is now found in flags.
create table if not exists ${prefix}plot_settings(
plot_plot_id int(11) not null,
biome varchar(45) default 'FOREST', -- Unused. Moved to flags.
rain int(1) default 0, -- Unused. Moved to flags.
custom_time tinyint(1) default 0, -- Unused. Moved to flags.
time int(11) default 8000, -- Unused. Moved to flags.
deny_entry tinyint(1) default 0, -- Unused. Moved to flags.
alias varchar(50) default null,
merged int(11) default null,
position varchar(50) not null default 'default',
foreign key (plot_plot_id) references ${prefix}plot(id) on delete cascade,
primary key (plot_plot_id)
) engine=InnoDB default charset=utf8;
-- TODO: Look into adding foreign keys to this.
create table if not exists ${prefix}plot_rating(
plot_plot_id int(11) not null,
rating int(2) not null,
player varchar(45) not null
) engine=InnoDB default charset=utf8;
-- TODO: Drop the key and make the player ID the key instead.
create table if not exists ${prefix}player_meta(
meta_id int(11) not null auto_increment,
uuid varchar(45) not null,
key varchar(32) not null,
value blob not null,
primary key (meta_id)
) engine=InnoDB default charset=utf8 auto_increment=0;
-- TODO: Drop the ID and make (plot_id, flag) the new primary key.
create table if not exists ${prefix}plot_flags(
id int(11) not null auto_increment primary key,
plot_id int(11) not null,
flag varchar(64),
value varchar(512),
foreign key (plot_id) references ${prefix}plot(id) on delete cascade,
unique (plot_id, flag)
) engine=InnoDB default charset=utf8 auto_increment=0;

2
gradle/libs.versions.toml
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@ -36,6 +36,7 @@ paperlib = "1.0.7"
squirrelid = "0.3.1"
serverlib = "2.3.1"
http4j = "1.3"
record-builder-processor = "33"
# Gradle plugins
shadow = "7.1.2"
@ -86,6 +87,7 @@ arkitektonika = { group = "com.intellectualsites.arkitektonika", name = "Arkitek
http4j = { group = "com.intellectualsites.http", name = "HTTP4J", version.ref = "http4j" }
paster = { group = "com.intellectualsites.paster", name = "Paster", version.ref = "paster" }
guava = { group = "com.google.guava", name = "guava", version.ref = "guava" }
recordBuilderProcessor = { group = "io.soabase.record-builder", name = "record-builder-processor", version.ref = "record-builder-processor" }
[plugins]
shadow = { id = "com.github.johnrengelman.shadow", version.ref = "shadow" }