From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 17 Jun 2017 16:30:44 -0400
Subject: [PATCH] Profile Lookup Events

Adds a Pre Lookup Event and a Post Lookup Event so that plugins may prefill in profile data, and cache the responses from
profiles that had to be looked up.

diff --git a/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java b/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..2ad2782aafe76f8b10565c0f0419d6b9c665b267
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java
@@ -0,0 +1,48 @@
+package com.destroystokyo.paper.event.profile;
+
+import com.destroystokyo.paper.profile.PlayerProfile;
+import org.bukkit.Bukkit;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Allows a plugin to be notified anytime AFTER a Profile has been looked up from the Mojang API
+ * This is an opportunity to view the response and potentially cache things.
+ * <p>
+ * No guarantees are made about thread execution context for this event. If you need to know, check
+ * {@link Event#isAsynchronous()}
+ */
+public class LookupProfileEvent extends Event {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    @NotNull private final PlayerProfile profile;
+
+    @ApiStatus.Internal
+    public LookupProfileEvent(@NotNull PlayerProfile profile) {
+        super(!Bukkit.isPrimaryThread());
+        this.profile = profile;
+    }
+
+    /**
+     * @return The profile that was recently looked up. This profile can be mutated
+     */
+    @NotNull
+    public PlayerProfile getPlayerProfile() {
+        return this.profile;
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java b/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java
new file mode 100644
index 0000000000000000000000000000000000000000..3f73ec52f9b581001bef3a19a5f1533dfa474356
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java
@@ -0,0 +1,112 @@
+package com.destroystokyo.paper.event.profile;
+
+import com.destroystokyo.paper.profile.ProfileProperty;
+import org.bukkit.Bukkit;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Allows a plugin to intercept a Profile Lookup for a Profile by name
+ * <p>
+ * At the point of event fire, the UUID and properties are unset.
+ * <p>
+ * If a plugin sets the UUID, and optionally the properties, the API call to look up the profile may be skipped.
+ * <p>
+ * No guarantees are made about thread execution context for this event. If you need to know, check
+ * {@link Event#isAsynchronous()}
+ */
+public class PreLookupProfileEvent extends Event {
+
+    private static final HandlerList HANDLER_LIST = new HandlerList();
+
+    @NotNull private final String name;
+
+    private UUID uuid;
+    @NotNull private Set<ProfileProperty> properties = new HashSet<>();
+
+    @ApiStatus.Internal
+    public PreLookupProfileEvent(@NotNull String name) {
+        super(!Bukkit.isPrimaryThread());
+        this.name = name;
+    }
+
+    /**
+     * @return Name of the profile
+     */
+    @NotNull
+    public String getName() {
+        return this.name;
+    }
+
+    /**
+     * If this value is left {@code null} by the completion of the event call, then the server will
+     * trigger a call to the Mojang API to look up the UUID (Network Request), and subsequently, fire a
+     * {@link LookupProfileEvent}
+     *
+     * @return The UUID of the profile if it has already been provided by a plugin
+     */
+    @Nullable
+    public UUID getUUID() {
+        return this.uuid;
+    }
+
+    /**
+     * Sets the UUID for this player name. This will skip the initial API call to find the players UUID.
+     * <p>
+     * However, if Profile Properties are needed by the server, you must also set them or else an API call might still be made.
+     *
+     * @param uuid the UUID to set for the profile or {@code null} to reset
+     */
+    public void setUUID(@Nullable UUID uuid) {
+        this.uuid = uuid;
+    }
+
+    /**
+     * @return The currently pending pre-populated properties.
+     * Any property in this Set will be automatically prefilled on this Profile
+     */
+    @NotNull
+    public Set<ProfileProperty> getProfileProperties() {
+        return this.properties;
+    }
+
+    /**
+     * Clears any existing pre-populated properties and uses the supplied properties
+     * Any property in this Set will be automatically prefilled on this Profile
+     *
+     * @param properties The properties to add
+     */
+    public void setProfileProperties(@NotNull Set<ProfileProperty> properties) {
+        this.properties = new HashSet<>();
+        this.properties.addAll(properties);
+    }
+
+    /**
+     * Adds any properties currently missing to the pre-populated properties set, replacing any that already were set.
+     * Any property in this Set will be automatically prefilled on this Profile
+     *
+     * @param properties The properties to add
+     */
+    public void addProfileProperties(@NotNull Set<ProfileProperty> properties) {
+        this.properties.addAll(properties);
+    }
+
+    @NotNull
+    @Override
+    public HandlerList getHandlers() {
+        return HANDLER_LIST;
+    }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return HANDLER_LIST;
+    }
+
+}