init backend

hackens_orga/backend/admin.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from .models import Agent, BudgetGroup, BudgetLine
+
+admin.site.register(Agent)
+admin.site.register(BudgetGroup)
+admin.site.register(BudgetLine)

hackens_orga/backend/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class BackendConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'backend'

hackens_orga/backend/migrations/0001_initial.py

@@ -0,0 +1,47 @@
+# Generated by Django 3.2.16 on 2023-01-16 14:17
+
+import datetime
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Agent',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('user', models.OneToOneField(null=True, on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='BudgetGroup',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('description', models.TextField(blank=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='BudgetLine',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('amount', models.DecimalField(decimal_places=2, max_digits=12)),
+                ('comment', models.TextField(blank=True)),
+                ('date', models.DateField(default=datetime.date.today)),
+                ('facture', models.FileField(blank=True, null=True, upload_to='factures/')),
+                ('title', models.CharField(max_length=255)),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='backend.agent')),
+                ('group', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='backend.budgetgroup')),
+            ],
+        ),
+    ]

hackens_orga/backend/models.py

@@ -0,0 +1,33 @@
+from datetime import date
+
+from django.contrib.auth.models import User
+from django.db import models
+
+
+class BudgetLine(models.Model):
+    amount = models.DecimalField(max_digits=12, decimal_places=2)
+    author = models.ForeignKey("Agent", on_delete=models.PROTECT)
+    comment = models.TextField(blank=True)
+    date = models.DateField(default=date.today)
+    facture = models.FileField(upload_to="factures/", null=True, blank=True)
+    group = models.ForeignKey("BudgetGroup", on_delete=models.CASCADE)
+    title = models.CharField(max_length=255)
+
+    def __str__(self):
+        return f"BudgetLine_{self.title}_{self.amount}€"
+
+
+class Agent(models.Model):
+    name = models.CharField(max_length=255)
+    user = models.OneToOneField(User, on_delete=models.CASCADE, null=True)
+
+    def __str__(self):
+        return f"Agent_{self.name}"
+
+
+class BudgetGroup(models.Model):
+    name = models.CharField(max_length=255)
+    description = models.TextField(blank=True)
+
+    def __str__(self):
+        return f"BudgetGroup_{self.name}"

hackens_orga/backend/serializers.py

@@ -0,0 +1,29 @@
+from rest_framework import serializers
+
+from .models import Agent, BudgetGroup, BudgetLine
+
+
+class AgentSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Agent
+        fields = "__all__"
+
+
+class BudgetGroupSerializer(serializers.ModelSerializer):
+    total = serializers.SerializerMethodField()
+
+    def get_total(self, obj):
+        tot = 0
+        for i in obj.budgetline_set.all():
+            tot += i.amount
+        return tot
+
+    class Meta:
+        model = BudgetGroup
+        fields = "__all__"
+
+
+class BudgetLineSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = BudgetLine
+        fields = "__all__"

hackens_orga/backend/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

hackens_orga/backend/urls.py

@@ -0,0 +1,15 @@
+"""backend URL Configuration
+"""
+
+from rest_framework import routers
+
+from .views import AgentViewSet, BudgetGroupViewSet, BudgetLineViewSet
+
+router = routers.DefaultRouter()
+
+router.register(r"agent", AgentViewSet)
+router.register(r"budgetgroup", BudgetGroupViewSet)
+router.register(r"budgetline", BudgetLineViewSet)
+
+app_name = "orga-backend"
+urlpatterns = router.urls

hackens_orga/backend/views.py

@@ -0,0 +1,25 @@
+from django.shortcuts import render
+from rest_framework import viewsets
+from rest_framework.permissions import IsAuthenticatedOrReadOnly
+
+from .models import Agent, BudgetGroup, BudgetLine
+from .serializers import (AgentSerializer, BudgetGroupSerializer,
+                          BudgetLineSerializer)
+
+
+class AgentViewSet(viewsets.ModelViewSet):
+    queryset = Agent.objects.all()
+    serializer_class = AgentSerializer
+    permission_class = [IsAuthenticatedOrReadOnly]
+
+
+class BudgetGroupViewSet(viewsets.ModelViewSet):
+    queryset = BudgetGroup.objects.all()
+    serializer_class = BudgetGroupSerializer
+    permission_class = [IsAuthenticatedOrReadOnly]
+
+
+class BudgetLineViewSet(viewsets.ModelViewSet):
+    queryset = BudgetLine.objects.all()
+    serializer_class = BudgetLineSerializer
+    permission_class = [IsAuthenticatedOrReadOnly]

hackens_orga/hackens_orga/asgi.py

@@ -0,0 +1,16 @@
+"""
+ASGI config for hackens_orga project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'hackens_orga.settings')
+
+application = get_asgi_application()

hackens_orga/hackens_orga/settings.py

@@ -0,0 +1,138 @@
+"""
+Django settings for hackens_orga project.
+
+Generated by 'django-admin startproject' using Django 3.2.16.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.2/ref/settings/
+"""
+
+from pathlib import Path
+
+# Build paths inside the project like this: BASE_DIR / 'subdir'.
+BASE_DIR = Path(__file__).resolve().parent.parent
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = "django-insecure-d4qh9v-en$&f%$j$jyhqkn_th#ow-e22bs^stx(n33sg-eyfhd"
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+    "django.contrib.admin",
+    "django.contrib.auth",
+    "django.contrib.contenttypes",
+    "django.contrib.sessions",
+    "django.contrib.messages",
+    "django.contrib.staticfiles",
+    "rest_framework",
+    "backend",
+    "django_extensions",
+]
+
+MIDDLEWARE = [
+    "django.middleware.security.SecurityMiddleware",
+    "django.contrib.sessions.middleware.SessionMiddleware",
+    "django.middleware.common.CommonMiddleware",
+    "django.middleware.csrf.CsrfViewMiddleware",
+    "django.contrib.auth.middleware.AuthenticationMiddleware",
+    "django.contrib.messages.middleware.MessageMiddleware",
+    "django.middleware.clickjacking.XFrameOptionsMiddleware",
+]
+
+ROOT_URLCONF = "hackens_orga.urls"
+
+TEMPLATES = [
+    {
+        "BACKEND": "django.template.backends.django.DjangoTemplates",
+        "DIRS": [],
+        "APP_DIRS": True,
+        "OPTIONS": {
+            "context_processors": [
+                "django.template.context_processors.debug",
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.contrib.messages.context_processors.messages",
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = "hackens_orga.wsgi.application"
+
+# Django-rest-framework
+# https://www.django-rest-framework.org/
+
+REST_FRAMEWORK = {
+    # Use Django's standard `django.contrib.auth` permissions,
+    # or allow read-only access for unauthenticated users.
+    "DEFAULT_PERMISSION_CLASSES": [
+        "rest_framework.permissions.DjangoModelPermissionsOrAnonReadOnly"
+    ]
+}
+
+# Database
+# https://docs.djangoproject.com/en/3.2/ref/settings/#databases
+
+DATABASES = {
+    "default": {
+        "ENGINE": "django.db.backends.sqlite3",
+        "NAME": BASE_DIR / "db.sqlite3",
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
+    },
+    {
+        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.2/topics/i18n/
+
+LANGUAGE_CODE = "en-us"
+
+TIME_ZONE = "Europe/Paris"
+
+USE_I18N = False
+
+USE_L10N = False
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/3.2/howto/static-files/
+
+STATIC_URL = "/static/"
+
+# Default primary key field type
+# https://docs.djangoproject.com/en/3.2/ref/settings/#default-auto-field
+
+DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

hackens_orga/hackens_orga/urls.py

@@ -0,0 +1,23 @@
+"""hackens_orga URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.2/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import include, path
+
+urlpatterns = [
+    path("admin/", admin.site.urls),
+    path("api-auth/", include("rest_framework.urls", namespace="rest_framework")),
+    path("api/", include("backend.urls")),
+]

hackens_orga/hackens_orga/wsgi.py

@@ -0,0 +1,16 @@
+"""
+WSGI config for hackens_orga project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'hackens_orga.settings')
+
+application = get_wsgi_application()

hackens_orga/manage.py

@@ -0,0 +1,22 @@
+#!/nix/store/xzyq7h4cmjkr596010w5x6icrc918cgr-python3-3.10.9/bin/python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'hackens_orga.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

nix/default.nix

@@ -0,0 +1,6 @@
+# nix/default.nix
+{ pkgs ? import <nixpkgs> {} }:
+let
+  sources = import ./sources.nix;
+in
+import sources.nixpkgs { }

nix/drf-knox.nix

@@ -0,0 +1,20 @@
+{ djangorestframework, cryptography, django, fetchPypi, buildPythonPackage }:
+buildPythonPackage rec {
+  pname = "djangorestframework-knox";
+  version = "4.2.0";
+
+  src = fetchPypi {
+    pname = "django-rest-knox";
+    inherit version;
+    sha256 = "sha256-RZXx3CPW5Br3k55fLY/a9q3gp0plYhjntWaD21Vm/Mk=";
+  };
+
+  propagatedBuildInputs = [
+    django
+    djangorestframework
+    cryptography
+  ];
+
+  # Test raises django.core.exceptions.ImproperlyConfigured
+  doCheck = false;
+}

nix/sources.json

@@ -0,0 +1,14 @@
+{
+    "nixpkgs": {
+        "branch": "nixos-22.05",
+        "description": "Nix Packages collection",
+        "homepage": "",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "0874168639713f547c05947c76124f78441ea46c",
+        "sha256": "0gw5l5bj3zcgxhp7ki1jafy6sl5nk4vr43hal94lhi15kg2vfmfy",
+        "type": "tarball",
+        "url": "https://github.com/NixOS/nixpkgs/archive/0874168639713f547c05947c76124f78441ea46c.tar.gz",
+        "url_template": "https://github.com/<owner>/<repo>/archive/<rev>.tar.gz"
+    }
+}

nix/sources.nix

@@ -0,0 +1,194 @@
+# This file has been generated by Niv.
+
+let
+
+  #
+  # The fetchers. fetch_<type> fetches specs of type <type>.
+  #
+
+  fetch_file = pkgs: name: spec:
+    let
+      name' = sanitizeName name + "-src";
+    in
+      if spec.builtin or true then
+        builtins_fetchurl { inherit (spec) url sha256; name = name'; }
+      else
+        pkgs.fetchurl { inherit (spec) url sha256; name = name'; };
+
+  fetch_tarball = pkgs: name: spec:
+    let
+      name' = sanitizeName name + "-src";
+    in
+      if spec.builtin or true then
+        builtins_fetchTarball { name = name'; inherit (spec) url sha256; }
+      else
+        pkgs.fetchzip { name = name'; inherit (spec) url sha256; };
+
+  fetch_git = name: spec:
+    let
+      ref =
+        if spec ? ref then spec.ref else
+          if spec ? branch then "refs/heads/${spec.branch}" else
+            if spec ? tag then "refs/tags/${spec.tag}" else
+              abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!";
+      submodules = if spec ? submodules then spec.submodules else false;
+      submoduleArg =
+        let
+          nixSupportsSubmodules = builtins.compareVersions builtins.nixVersion "2.4" >= 0;
+          emptyArgWithWarning =
+            if submodules == true
+            then
+              builtins.trace
+                (
+                  "The niv input \"${name}\" uses submodules "
+                  + "but your nix's (${builtins.nixVersion}) builtins.fetchGit "
+                  + "does not support them"
+                )
+                {}
+            else {};
+        in
+          if nixSupportsSubmodules
+          then { inherit submodules; }
+          else emptyArgWithWarning;
+    in
+      builtins.fetchGit
+        ({ url = spec.repo; inherit (spec) rev; inherit ref; } // submoduleArg);
+
+  fetch_local = spec: spec.path;
+
+  fetch_builtin-tarball = name: throw
+    ''[${name}] The niv type "builtin-tarball" is deprecated. You should instead use `builtin = true`.
+        $ niv modify ${name} -a type=tarball -a builtin=true'';
+
+  fetch_builtin-url = name: throw
+    ''[${name}] The niv type "builtin-url" will soon be deprecated. You should instead use `builtin = true`.
+        $ niv modify ${name} -a type=file -a builtin=true'';
+
+  #
+  # Various helpers
+  #
+
+  # https://github.com/NixOS/nixpkgs/pull/83241/files#diff-c6f540a4f3bfa4b0e8b6bafd4cd54e8bR695
+  sanitizeName = name:
+    (
+      concatMapStrings (s: if builtins.isList s then "-" else s)
+        (
+          builtins.split "[^[:alnum:]+._?=-]+"
+            ((x: builtins.elemAt (builtins.match "\\.*(.*)" x) 0) name)
+        )
+    );
+
+  # The set of packages used when specs are fetched using non-builtins.
+  mkPkgs = sources: system:
+    let
+      sourcesNixpkgs =
+        import (builtins_fetchTarball { inherit (sources.nixpkgs) url sha256; }) { inherit system; };
+      hasNixpkgsPath = builtins.any (x: x.prefix == "nixpkgs") builtins.nixPath;
+      hasThisAsNixpkgsPath = <nixpkgs> == ./.;
+    in
+      if builtins.hasAttr "nixpkgs" sources
+      then sourcesNixpkgs
+      else if hasNixpkgsPath && ! hasThisAsNixpkgsPath then
+        import <nixpkgs> {}
+      else
+        abort
+          ''
+            Please specify either <nixpkgs> (through -I or NIX_PATH=nixpkgs=...) or
+            add a package called "nixpkgs" to your sources.json.
+          '';
+
+  # The actual fetching function.
+  fetch = pkgs: name: spec:
+
+    if ! builtins.hasAttr "type" spec then
+      abort "ERROR: niv spec ${name} does not have a 'type' attribute"
+    else if spec.type == "file" then fetch_file pkgs name spec
+    else if spec.type == "tarball" then fetch_tarball pkgs name spec
+    else if spec.type == "git" then fetch_git name spec
+    else if spec.type == "local" then fetch_local spec
+    else if spec.type == "builtin-tarball" then fetch_builtin-tarball name
+    else if spec.type == "builtin-url" then fetch_builtin-url name
+    else
+      abort "ERROR: niv spec ${name} has unknown type ${builtins.toJSON spec.type}";
+
+  # If the environment variable NIV_OVERRIDE_${name} is set, then use
+  # the path directly as opposed to the fetched source.
+  replace = name: drv:
+    let
+      saneName = stringAsChars (c: if isNull (builtins.match "[a-zA-Z0-9]" c) then "_" else c) name;
+      ersatz = builtins.getEnv "NIV_OVERRIDE_${saneName}";
+    in
+      if ersatz == "" then drv else
+        # this turns the string into an actual Nix path (for both absolute and
+        # relative paths)
+        if builtins.substring 0 1 ersatz == "/" then /. + ersatz else /. + builtins.getEnv "PWD" + "/${ersatz}";
+
+  # Ports of functions for older nix versions
+
+  # a Nix version of mapAttrs if the built-in doesn't exist
+  mapAttrs = builtins.mapAttrs or (
+    f: set: with builtins;
+    listToAttrs (map (attr: { name = attr; value = f attr set.${attr}; }) (attrNames set))
+  );
+
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/lists.nix#L295
+  range = first: last: if first > last then [] else builtins.genList (n: first + n) (last - first + 1);
+
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L257
+  stringToCharacters = s: map (p: builtins.substring p 1 s) (range 0 (builtins.stringLength s - 1));
+
+  # https://github.com/NixOS/nixpkgs/blob/0258808f5744ca980b9a1f24fe0b1e6f0fecee9c/lib/strings.nix#L269
+  stringAsChars = f: s: concatStrings (map f (stringToCharacters s));
+  concatMapStrings = f: list: concatStrings (map f list);
+  concatStrings = builtins.concatStringsSep "";
+
+  # https://github.com/NixOS/nixpkgs/blob/8a9f58a375c401b96da862d969f66429def1d118/lib/attrsets.nix#L331
+  optionalAttrs = cond: as: if cond then as else {};
+
+  # fetchTarball version that is compatible between all the versions of Nix
+  builtins_fetchTarball = { url, name ? null, sha256 }@attrs:
+    let
+      inherit (builtins) lessThan nixVersion fetchTarball;
+    in
+      if lessThan nixVersion "1.12" then
+        fetchTarball ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
+      else
+        fetchTarball attrs;
+
+  # fetchurl version that is compatible between all the versions of Nix
+  builtins_fetchurl = { url, name ? null, sha256 }@attrs:
+    let
+      inherit (builtins) lessThan nixVersion fetchurl;
+    in
+      if lessThan nixVersion "1.12" then
+        fetchurl ({ inherit url; } // (optionalAttrs (!isNull name) { inherit name; }))
+      else
+        fetchurl attrs;
+
+  # Create the final "sources" from the config
+  mkSources = config:
+    mapAttrs (
+      name: spec:
+        if builtins.hasAttr "outPath" spec
+        then abort
+          "The values in sources.json should not have an 'outPath' attribute"
+        else
+          spec // { outPath = replace name (fetch config.pkgs name spec); }
+    ) config.sources;
+
+  # The "config" used by the fetchers
+  mkConfig =
+    { sourcesFile ? if builtins.pathExists ./sources.json then ./sources.json else null
+    , sources ? if isNull sourcesFile then {} else builtins.fromJSON (builtins.readFile sourcesFile)
+    , system ? builtins.currentSystem
+    , pkgs ? mkPkgs sources system
+    }: rec {
+      # The sources, i.e. the attribute set of spec name to spec
+      inherit sources;
+
+      # The "pkgs" (evaluated nixpkgs) to use for e.g. non-builtin fetchers
+      inherit pkgs;
+    };
+
+in
+mkSources (mkConfig {}) // { __functor = _: settings: mkSources (mkConfig settings); }

shell.nix

@@ -0,0 +1,14 @@
+{ pkgs ? import ./nix {} }:
+pkgs.mkShell {
+  buildInputs = [
+    (pkgs.python310.withPackages (ps: [
+      ps.django
+      ps.black
+      ps.isort
+      ps.djangorestframework
+      ps.django-extensions
+      #ps.django_guardian
+      #(ps.callPackage ./nix/drf-knox.nix {})
+    ]))
+  ];
+}