✨ feat(cli): add remove label subcommand

- add `remove-label` subcommand to remove labels from rules

src/cli/config_cli/label_cli/remove_cli.rs

@@ -0,0 +1,23 @@
+use clap::Parser;
+
+use cull_gmail::{Config, Error, Result};
+
+#[derive(Debug, Parser)]
+pub struct RemoveCli {
+    /// Id of the rule on which action applies
+    #[clap(short, long)]
+    id: usize,
+    /// Label to remove from the rule
+    #[clap(short, long)]
+    label: String,
+}
+
+impl RemoveCli {
+    pub fn run(&self, mut config: Config) -> Result<()> {
+        if config.get_rule(self.id).is_none() {
+            return Err(Error::RuleNotFound(self.id));
+        }
+
+        config.remove_label_from_rule(self.id, &self.label)
+    }
+}

src/config_cli/rules_cli/add_cli.rs

@@ -1,50 +0,0 @@
-use std::fmt;
-
-use clap::{Parser, ValueEnum};
-use cull_gmail::{Config, Error, MessageAge, Retention};
-
-#[derive(Debug, Clone, Parser, ValueEnum)]
-pub enum Period {
-    Days,
-    Weeks,
-    Months,
-    Years,
-}
-
-impl fmt::Display for Period {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Period::Days => write!(f, "days"),
-            Period::Weeks => write!(f, "weeks"),
-            Period::Months => write!(f, "months"),
-            Period::Years => write!(f, "years"),
-        }
-    }
-}
-
-#[derive(Debug, Parser)]
-pub struct AddCli {
-    /// Period for the rule
-    #[arg(short, long)]
-    period: Period,
-    /// Count of the period
-    #[arg(short, long, default_value = "1")]
-    count: usize,
-    /// Optional specific label; if not specified one will be generated
-    #[arg(short, long)]
-    label: Option<String>,
-    /// Immediate delete instead of move to trash
-    #[arg(long)]
-    delete: bool,
-}
-
-impl AddCli {
-    pub fn run(&self, mut config: Config) -> Result<(), Error> {
-        let generate = self.label.is_none();
-        let message_age = MessageAge::new(self.period.to_string().as_str(), self.count);
-        let retention = Retention::new(message_age, generate);
-
-        config.add_rule(retention, self.label.as_ref(), self.delete);
-        config.save()
-    }
-}