Add support for Prinz Karl Mensa

README.md

@@ -8,7 +8,8 @@ Options:
 
 - `-m`, `--morgenstelle`  Show Mensa Morgenstelle
 - `-s`, `--shedhalle`     Show Mensa Shedhalle
-- `-p`, `--plaintext`     Format as plain text
+- `-p`, `--prinzkarl` Show Mensa Prinz Karl
+- `--plaintext`       Format as plain text
 - `-o`, `--oneline`       Use very short format (oneline)
 - `-d`, `--days <DAYS>`   Offset of days in the future (valid inputs 0-7) [default: 0]
 - `-v`, `--vegetarian`    Show the vegetarian menu

src/cli.rs

@@ -12,8 +12,12 @@ pub struct Args {
     #[arg(short, long, default_value_t = false)]
     pub shedhalle: bool,
 
-    /// Format as plain text
+    /// Show Mensa Prinz Karl
     #[arg(short, long, default_value_t = false)]
+    pub prinzkarl: bool,
+
+    /// Format as plain text
+    #[arg(long, default_value_t = false)]
     pub plaintext: bool,
 
     /// Use very short format (oneline)

src/main.rs

@@ -10,17 +10,20 @@ fn main() {
 }
 
 fn exec_arguments(args: &cli::Args) {
-    let shedhalle = Mensa::from(MensaName::Shedhalle);
-    let morgenstelle = Mensa::from(MensaName::Morgenstelle);
-
     if args.morgenstelle {
-        if let Ok(resp) = morgenstelle {
+        if let Ok(resp) = Mensa::from(MensaName::Morgenstelle) {
             exec_arg_helper(args, &resp);
         }
     }
 
     if args.shedhalle {
-        if let Ok(resp) = shedhalle {
+        if let Ok(resp) = Mensa::from(MensaName::Shedhalle) {
+            exec_arg_helper(args, &resp);
+        }
+    }
+
+    if args.prinzkarl {
+        if let Ok(resp) = Mensa::from(MensaName::PrinzKarl) {
             exec_arg_helper(args, &resp);
         }
     }

src/mensa.rs

@@ -7,6 +7,7 @@ use ureq::{Agent, Error};
 pub enum MensaName {
     Shedhalle,
     Morgenstelle,
+    PrinzKarl,
 }
 
 pub trait Mealplan {
@@ -33,8 +34,9 @@ fn get_nth_date(days: u8) -> Option<chrono::DateTime<Local>> {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Mensa {
-    #[serde(alias = "621")]
+    #[serde(alias = "621")] // Morgenstelle
-    #[serde(rename = "611")]
+    #[serde(alias = "623")] // Prinz Karl
+    #[serde(rename = "611")] // Shedhalle
     canteen: Canteen,
 }
 
@@ -48,6 +50,7 @@ impl Mensa {
         let canteen_id = match name {
             MensaName::Shedhalle => 611,
             MensaName::Morgenstelle => 621,
+            MensaName::PrinzKarl => 623,
         };
 
         let url =