afvalcalendar: Host enschede afvalcalendar

configuration/default.nix

@@ -14,6 +14,7 @@
     "${modulesPath}/profiles/minimal.nix"
     (import ../modules)
 
+    ./services/afvalcalendar.nix
     ./services/backups.nix
     ./services/battery-manager.nix
     ./services/conduit.nix

configuration/services/afvalcalendar.nix

@@ -0,0 +1,67 @@
+{
+  pkgs,
+  config,
+  ...
+}: {
+  systemd.services.afvalcalendar = {
+    description = "Enschede afvalcalendar -> ical converter";
+    wantedBy = ["multi-user.target"];
+    after = ["network.target"];
+
+    script = ''
+      ${pkgs.local.afvalcalendar}/bin/afvalcalendar > /srv/afvalcalendar/afvalcalendar.ical
+    '';
+
+    startAt = "daily";
+
+    serviceConfig = {
+      DynamicUser = true;
+      ProtectHome = true; # Override the default (read-only)
+      PrivateDevices = true;
+      PrivateIPC = true;
+      PrivateUsers = true;
+      ProtectHostname = true;
+      ProtectClock = true;
+      ProtectKernelTunables = true;
+      ProtectKernelModules = true;
+      ProtectKernelLogs = true;
+      ProtectControlGroups = true;
+      RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
+      RestrictNamespaces = true;
+      LockPersonality = true;
+      MemoryDenyWriteExecute = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      SystemCallArchitectures = "native";
+      SystemCallFilter = ["@system-service" "~@privileged @resources @setuid @keyring"];
+
+      Umask = 0002;
+      SupplementaryGroups = "afvalcalendar-hosting";
+
+      ReadWritePaths = "/srv/afvalcalendar";
+    };
+  };
+
+  services.nginx.virtualHosts."afvalcalendar.${config.services.nginx.domain}" = {
+    forceSSL = true;
+    enableACME = true;
+    enableHSTS = true;
+
+    root = "/srv/afvalcalendar";
+  };
+
+  users.groups.afvalcalendar-hosting = {};
+  systemd.tmpfiles.settings."10-afvalcalendar" = {
+    "/srv/afvalcalendar".d = {
+      user = "nginx";
+      group = "afvalcalendar-hosting";
+      mode = "0775";
+    };
+
+    "/srv/afvalcalendar/afvalcalendar.ical".f = {
+      user = "nginx";
+      group = "afvalcalendar-hosting";
+      mode = "0775";
+    };
+  };
+}

pkgs/afvalcalendar/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "afvalcalendar"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+icalendar = "0.16.0"
+serde = { version = "1.0.195", features = ["derive"] }
+tokio = { version = "1.35.1", features = ["macros", "rt-multi-thread"] }
+reqwest = { version = "0.11", features = ["cookies", "json"] }
+chrono = { version = "0.4.34", features = ["serde"] }
+serde_json = "1.0.114"
+serde_repr = "0.1.18"
+hostname = "0.3.1"

pkgs/afvalcalendar/default.nix

@@ -0,0 +1,20 @@
+{
+  pkgs,
+  rustPlatform,
+  ...
+}:
+rustPlatform.buildRustPackage {
+  pname = "afvalcalendar";
+  version = "0.1.0";
+  src = ./.;
+
+  nativeBuildInputs = with pkgs; [
+    pkg-config
+  ];
+
+  buildInputs = with pkgs; [
+    openssl
+  ];
+
+  cargoHash = "sha256-JXx6aUKdKbUTBCwlBw5i1hZy8ofCfSrhLCwFzqdA8cI=";
+}

pkgs/afvalcalendar/src/calendar.rs

@@ -0,0 +1,43 @@
+use chrono::{Duration, NaiveDate};
+use icalendar::{Alarm, Calendar, Component, Event, EventLike, Property};
+
+use crate::trash::TrashType;
+
+pub(crate) fn calendar_from_pickup_dates(dates: Vec<(TrashType, NaiveDate)>) -> Calendar {
+    let mut ical = Calendar::new();
+    ical.name("Twente Milieu Afvalkalender");
+
+    let events = dates.iter().map(|date| {
+        let description = match date.0 {
+            TrashType::Grey => "Restafval wordt opgehaald",
+            TrashType::Green => "GFT wordt opgehaald",
+            TrashType::Paper => "Papier wordt opgehaald",
+            TrashType::Packages => "Verpakkingen worden opgehaald",
+        };
+
+        let color = Property::new(
+            "COLOR",
+            match date.0 {
+                TrashType::Grey => "darkgray",
+                TrashType::Green => "darkgreen",
+                TrashType::Paper => "royalblue",
+                TrashType::Packages => "darkorange",
+            },
+        );
+
+        let reminder = Alarm::display(description, -Duration::hours(5));
+
+        Event::new()
+            .all_day(date.1)
+            .summary(description)
+            .append_property(color)
+            .alarm(reminder)
+            .done()
+    });
+
+    for event in events {
+        ical.push(event);
+    }
+
+    ical.done()
+}

pkgs/afvalcalendar/src/main.rs

@@ -0,0 +1,10 @@
+mod calendar;
+mod trash;
+
+#[tokio::main]
+async fn main() {
+    let dates = trash::get_pickup_dates().await.unwrap();
+    let calendar = calendar::calendar_from_pickup_dates(dates);
+
+    calendar.print().unwrap();
+}

pkgs/afvalcalendar/src/trash.rs

@@ -0,0 +1,59 @@
+use chrono::{Months, NaiveDate, NaiveDateTime, Utc};
+use serde::Deserialize;
+use serde_repr::Deserialize_repr;
+
+#[derive(Deserialize, Debug)]
+#[serde(rename_all = "camelCase")]
+struct CalendarAPIDatum {
+    pickup_dates: Vec<NaiveDateTime>,
+    pickup_type: TrashType,
+}
+
+#[derive(Deserialize, Debug)]
+#[serde(rename_all = "camelCase")]
+struct CalendarAPIResponse {
+    data_list: Vec<CalendarAPIDatum>,
+}
+
+#[derive(Copy, Clone, Deserialize_repr, Debug)]
+#[repr(u8)]
+pub(crate) enum TrashType {
+    Grey = 0,
+    Green = 1,
+    Paper = 2,
+    Packages = 10,
+}
+
+pub(crate) async fn get_pickup_dates() -> Result<Vec<(TrashType, NaiveDate)>, reqwest::Error> {
+    let today = Utc::now().date_naive();
+    let next_month = (today + Months::new(1)).to_string();
+    let today = today.to_string();
+
+    let client = reqwest::Client::new();
+
+    let params = [
+        ("companyCode", "8d97bb56-5afd-4cbc-a651-b4f7314264b4"),
+        ("uniqueAddressID", "1300002485"),
+        ("startDate", &today),
+        ("endDate", &next_month),
+    ];
+
+    let calendar = client
+        .post("https://twentemilieuapi.ximmio.com/api/GetCalendar")
+        .form(&params)
+        .send()
+        .await?
+        .json::<CalendarAPIResponse>()
+        .await?;
+
+    Ok(calendar
+        .data_list
+        .iter()
+        .flat_map(|datum| {
+            datum
+                .pickup_dates
+                .iter()
+                .map(|date| (datum.pickup_type, NaiveDate::from(*date)))
+        })
+        .collect::<Vec<(TrashType, NaiveDate)>>())
+}

pkgs/afvalcalendar/test.rest

@@ -0,0 +1,4 @@
+POST https://twentemilieuapi.ximmio.com/api/GetCalendar
+Content-Type: application/x-www-form-urlencoded
+
+companyCode=8d97bb56-5afd-4cbc-a651-b4f7314264b4&uniqueAddressID=1300002485&startDate=2024-02-01&endDate=2024-02-29

pkgs/default.nix

@@ -10,6 +10,7 @@ in
     prometheus-fail2ban-exporter = callPackage ./prometheus/fail2ban-exporter.nix {
       sources = pkgs.callPackage ./_sources_pkgs/generated.nix {};
     };
+    afvalcalendar = callPackage ./afvalcalendar {};
   }
   // (
     # Add nextcloud apps