Init

.gitignore

@@ -1,21 +1 @@
-# Generated by Cargo
-# will have compiled files and executables
-debug
-target
-
-# These are backup files generated by rustfmt
-**/*.rs.bk
-
-# MSVC Windows builds of rustc generate these, which store debugging information
-*.pdb
-
-# Generated by cargo mutants
-# Contains mutation testing data
-**/mutants.out*/
-
-# RustRover
-#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
-#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
-#  and can be added to the global gitignore or merged into this file.  For a more nuclear
-#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
+result

README.md

@@ -1 +1,26 @@
 # secret-santa
+
+## Add command to nixos
+
+```nix
+{ pkgs ? import <nixpkgs> { } }:
+
+let
+  secret-santa =
+    let
+      defaultNix = builtins.fetchurl {
+        url = "https://raw.githubusercontent.com/dolphinau/secret-santa/refs/heads/main/default.nix";
+        sha256 = "1sihdgsg84kprycsg102rj9qnwd97zwx17x2wn42q4rmn918wvvx";
+      };
+    in pkgs.callPackage defaultNix {
+      src = pkgs.fetchFromGitHub {
+        owner = "dolphinau";
+        repo = "secret-santa";
+        rev = "a9b1f880d2fa50dbdff03a51b582deacb0972d90";
+        sha256 = "sha256-v/fvJAlnMxMjlP6Z1cgHyKfno79yRSpKwY7pF0irISA=";
+      };
+    };
+  in [
+    secret-santa
+  ]
+```

default.nix

@@ -0,0 +1,49 @@
+{ pkgs ? import <nixpkgs> { }, src ? ./., subdir ? "" }:
+
+let
+  theSource = src;
+  pythonPackage = pkgs.python313Packages.buildPythonPackage {
+    pname = "secret-santa";
+    version = "1.0.0";
+    src = "${theSource}/${subdir}";
+    buildInputs = [
+      pkgs.python313Packages.setuptools
+      pkgs.python313Packages.wheel
+    ];
+    propagatedBuildInputs = [ pkgs.python313Packages.flask ];
+
+    pyproject = true;
+    build-system = [
+      pkgs.python313Packages.setuptools
+      pkgs.python313Packages.wheel
+    ];
+
+    meta = {
+      description = "Secret santa flask package";
+      license = pkgs.lib.licenses.mit;
+    };
+  };
+  pythonEnv = pkgs.python313.buildEnv.override {
+    extraLibs = [ pkgs.python313Packages.flask pythonPackage ];
+    ignoreCollisions = true;
+  };
+in
+pkgs.stdenv.mkDerivation rec {
+  name = "secret-santa";
+  propagatedBuildInputs = [ pythonEnv ];
+  src = "${theSource}/${subdir}/src";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cat > $out/bin/${name} <<EOF
+#!/bin/sh
+exec ${pythonEnv}/bin/python3 ${src}/secret_santa/main.py "\$@"
+EOF
+    chmod +x $out/bin/${name}
+  '';
+
+  meta = {
+    description = "Secret santa server application";
+    license = pkgs.lib.licenses.mit;
+  };
+}

setup.py

@@ -0,0 +1,8 @@
+from setuptools import find_packages, setup
+
+setup(
+    name="secret-santa",
+    version="1.0.0",
+    package_dir={"": "src"},
+    packages=find_packages(where="src"),
+)

src/secret_santa/main.py

@@ -0,0 +1,59 @@
+import json
+import random
+import sys
+
+from flask import Flask
+
+app = Flask(__name__)
+
+
+def check(players):
+    for player in players:
+        if (
+            "target" not in player
+            or player["target"] in player["invalid"]
+            or player["target"] == player["name"]
+        ):
+            return False
+
+    return True
+
+
+def init(input, output):
+    conf = open(input).read()
+    players = json.loads(conf)
+
+    while not check(players):
+        remaining = [x["name"] for x in players]
+        for player in players:
+            player["target"] = random.choice(remaining)
+            remaining.remove(player["target"])
+
+    open(output, "w").write(json.dumps({p["name"]: p["target"] for p in players}))
+
+
+if __name__ == "__main__":
+    if len(sys.argv) == 3:
+        conf_path = sys.argv[1]
+        out_path = sys.argv[2]
+    else:
+        print("Error: need two args <input conf> <output file>")
+        exit(1)
+
+    try:
+        players = json.loads(open(out_path).read())
+    except FileNotFoundError:
+        players = init(out_path)
+
+    @app.route("/<name>")
+    def get(name):
+        if name == "raphael":
+            return f"<p>Hello {name}!<br/>Your secret santa target is {players[name]}<br/>Eva's secret santa target is {players['eva']}</p>"
+        if name in players:
+            return (
+                f"<p>Hello {name}!<br/>Your secret santa target is {players[name]}</p>"
+            )
+        else:
+            return f"<p>Error: Player {name} not found"
+
+    app.run(debug=True)