MCDO fixes

add groups to individuals stuff

don't show your own data lmao

don't allow to share to not joined groups

fix shared bug maybe

fucking braces

improve CharaDataGetShared()

remove unnecessary double-query on get shared data

optimize

remove shit

MareSynchronosServer/MareSynchronosShared/Migrations/20250627204223_AllowedGroup.cs

@@ -0,0 +1,98 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace MareSynchronosServer.Migrations
+{
+    /// <inheritdoc />
+    public partial class AllowedGroup : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "pk_chara_data_allowance",
+                table: "chara_data_allowance");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "allowed_user_uid",
+                table: "chara_data_allowance",
+                type: "character varying(10)",
+                nullable: true,
+                oldClrType: typeof(string),
+                oldType: "character varying(10)");
+
+            migrationBuilder.AddColumn<long>(
+                name: "id",
+                table: "chara_data_allowance",
+                type: "bigint",
+                nullable: false,
+                defaultValue: 0L)
+                .Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            migrationBuilder.AddColumn<string>(
+                name: "allowed_group_gid",
+                table: "chara_data_allowance",
+                type: "character varying(20)",
+                nullable: true);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "pk_chara_data_allowance",
+                table: "chara_data_allowance",
+                columns: new[] { "parent_id", "parent_uploader_uid", "id" });
+
+            migrationBuilder.CreateIndex(
+                name: "ix_chara_data_allowance_allowed_group_gid",
+                table: "chara_data_allowance",
+                column: "allowed_group_gid");
+
+            migrationBuilder.AddForeignKey(
+                name: "fk_chara_data_allowance_groups_allowed_group_gid",
+                table: "chara_data_allowance",
+                column: "allowed_group_gid",
+                principalTable: "groups",
+                principalColumn: "gid",
+                onDelete: ReferentialAction.Cascade);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "fk_chara_data_allowance_groups_allowed_group_gid",
+                table: "chara_data_allowance");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "pk_chara_data_allowance",
+                table: "chara_data_allowance");
+
+            migrationBuilder.DropIndex(
+                name: "ix_chara_data_allowance_allowed_group_gid",
+                table: "chara_data_allowance");
+
+            migrationBuilder.DropColumn(
+                name: "id",
+                table: "chara_data_allowance");
+
+            migrationBuilder.DropColumn(
+                name: "allowed_group_gid",
+                table: "chara_data_allowance");
+
+            migrationBuilder.AlterColumn<string>(
+                name: "allowed_user_uid",
+                table: "chara_data_allowance",
+                type: "character varying(10)",
+                nullable: false,
+                defaultValue: "",
+                oldClrType: typeof(string),
+                oldType: "character varying(10)",
+                oldNullable: true);
+
+            migrationBuilder.AddPrimaryKey(
+                name: "pk_chara_data_allowance",
+                table: "chara_data_allowance",
+                columns: new[] { "parent_id", "parent_uploader_uid", "allowed_user_uid" });
+        }
+    }
+}