Initial implementation

.gitignore

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+/target

Cargo.toml

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+[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"

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1708294118,
+        "narHash": "sha256-evZzmLW7qoHXf76VCepvun1esZDxHfVRFUJtumD7L2M=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "e0da498ad77ac8909a980f07eff060862417ccf7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11";
+  };
+
+  outputs = {nixpkgs, ...}: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+      packages = with pkgs; [
+        cargo
+        clippy
+        rustc
+        rustfmt
+        rust-analyzer
+
+        pkg-config
+        openssl
+      ];
+    };
+  };
+}

src/calendar.rs

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+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()
+}

src/main.rs

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+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();
+}

src/trash.rs

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+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)>>())
+}

test.rest

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+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