From d99741d10d3690909d6547fd5ca357b618e0197b Mon Sep 17 00:00:00 2001
From: "Jill \"oatmealine\" Monoids" <oatmealine@disroot.org>
Date: Thu, 5 Jan 2023 16:43:45 +0300
Subject: [PATCH] gauntlets

---
 db/migrations/14_gauntlets.sql      | 14 ++++++++++++++
 src/endpoints/levels/getLevels.cr   |  6 ++++--
 src/endpoints/packs/getGauntlets.cr | 24 ++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 2 deletions(-)
 create mode 100644 db/migrations/14_gauntlets.sql
 create mode 100644 src/endpoints/packs/getGauntlets.cr

diff --git a/db/migrations/14_gauntlets.sql b/db/migrations/14_gauntlets.sql
new file mode 100644
index 0000000..2ac101b
--- /dev/null
+++ b/db/migrations/14_gauntlets.sql
@@ -0,0 +1,14 @@
+-- +migrate up
+CREATE TABLE gauntlets (
+  id  SERIAL  PRIMARY KEY
+);
+
+CREATE TABLE gauntlet_links (
+  idx          INTEGER  NOT NULL  DEFAULT 0, -- solely for ordering purposes
+  gauntlet_id  INTEGER  NOT NULL  REFERENCES gauntlets(id),
+  level_id     INTEGER  NOT NULL  REFERENCES levels(id)
+);
+
+-- +migrate down
+DROP TABLE gauntlets;
+DROP TABLE gauntlet_links;
\ No newline at end of file
diff --git a/src/endpoints/levels/getLevels.cr b/src/endpoints/levels/getLevels.cr
index 89b7c3c..1f25918 100644
--- a/src/endpoints/levels/getLevels.cr
+++ b/src/endpoints/levels/getLevels.cr
@@ -75,7 +75,9 @@ CrystalGauntlet.endpoints["/getGJLevels21.php"] = ->(context : HTTP::Server::Con
     queryParams << "levels.stars is null"
   end
   if params["gauntlet"]?
-    # todo
+    order = "gauntlet_links.idx asc"
+    joins << "left join gauntlet_links on gauntlet_links.level_id = levels.id"
+    queryParams << "gauntlet_id = #{params["gauntlet"].to_i}"
   end
   if params["len"]?
     # todo
@@ -108,7 +110,7 @@ CrystalGauntlet.endpoints["/getGJLevels21.php"] = ->(context : HTTP::Server::Con
   end
 
   # level search type
-  case params["type"]
+  case params["type"]?
   when "0", "15", nil # default sort (gdw is 15)
     order = "likes desc"
   when "1" # most downloaded
diff --git a/src/endpoints/packs/getGauntlets.cr b/src/endpoints/packs/getGauntlets.cr
new file mode 100644
index 0000000..036c7cf
--- /dev/null
+++ b/src/endpoints/packs/getGauntlets.cr
@@ -0,0 +1,24 @@
+require "uri"
+
+include CrystalGauntlet
+
+mappacks_per_page = 10
+
+CrystalGauntlet.endpoints["/getGJGauntlets21.php"] = ->(context : HTTP::Server::Context): String {
+  params = URI::Params.parse(context.request.body.not_nil!.gets_to_end)
+  LOG.debug { params.inspect }
+
+  gauntlets = [] of String
+  checksum_str = [] of String
+
+  DATABASE.query_all("select id from gauntlets", as: {Int32}).each() do |id|
+    levels = DATABASE.query_all("select level_id from gauntlet_links where gauntlet_id = ? order by idx", id, as: {Int32}).join(",")
+    gauntlets << Format.fmt_hash({
+      1 => id,
+      3 => levels
+    })
+    checksum_str << (id.to_s + levels)
+  end
+
+  return gauntlets.join("|") + "#" + Hashes.gen_solo_2(checksum_str.join(""))
+}