Generalized Store System (#10201)

Content.Server/Store/Conditions/BuyerJobCondition.cs

@@ -0,0 +1,63 @@
+using Content.Server.Mind.Components;
+using Content.Server.Roles;
+using Content.Shared.Roles;
+using Content.Shared.Store;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype.Set;
+
+namespace Content.Server.Store.Conditions;
+
+/// <summary>
+/// Allows a store entry to be filtered out based on the user's job.
+/// Supports both blacklists and whitelists
+/// </summary>
+public sealed class BuyerJobCondition : ListingCondition
+{
+    /// <summary>
+    /// A whitelist of jobs prototypes that can purchase this listing. Only one needs to be found.
+    /// </summary>
+    [DataField("whitelist", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<JobPrototype>))]
+    public HashSet<string>? Whitelist;
+
+    /// <summary>
+    /// A blacklist of job prototypes that can purchase this listing. Only one needs to be found.
+    /// </summary>
+    [DataField("blacklist", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<JobPrototype>))]
+    public HashSet<string>? Blacklist;
+
+    public override bool Condition(ListingConditionArgs args)
+    {
+        var ent = args.EntityManager;
+
+        if (!ent.TryGetComponent<MindComponent>(args.Buyer, out var mind) || mind.Mind == null)
+            return true; //this is for things like surplus crate
+
+        if (Blacklist != null)
+        {
+            foreach (var role in mind.Mind.AllRoles)
+            {
+                if (role is not Job job)
+                    continue;
+
+                if (Blacklist.Contains(job.Prototype.ID))
+                    return false;
+            }
+        }
+
+        if (Whitelist != null)
+        {
+            var found = false;
+            foreach (var role in mind.Mind.AllRoles)
+            {
+                if (role is not Job job)
+                    continue;
+
+                if (Whitelist.Contains(job.Prototype.ID))
+                    found = true;
+            }
+            if (!found)
+                return false;
+        }
+
+        return true;
+    }
+}