Add permanent quote file support

Quote file can be placed under
`$HOME/.config/marika-finger-blaster/quotes.json`

1 files changed, 90 insertions, 0 deletions

diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..90ac579
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,90 @@
+use std::{env, fs, path::PathBuf};
+
+use anyhow::{Result, anyhow};
+use rand::{Rng, rngs::ThreadRng};
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct Quoter {
+    #[serde(skip)]
+    randomizer: ThreadRng,
+    groups: (
+        (usize, usize),
+        (usize, usize),
+        (usize, usize),
+        (usize, usize),
+    ),
+    quotes: Vec<Quote>,
+}
+
+impl Quoter {
+    pub fn get_random(&mut self) -> Result<Quote> {
+        self.get_range((0, self.quotes.len()))
+    }
+
+    fn get_range(&mut self, range: (usize, usize)) -> Result<Quote> {
+        if self.quotes.is_empty() {
+            return Err(anyhow!("There are no quotes in your quote files"));
+        }
+        let (l, r) = range;
+        if l > r || l > self.quotes.len() || r > self.quotes.len() {
+            return Err(anyhow!("Your quotes file is corrupted"));
+        }
+        Ok(self
+            .quotes
+            .get(self.randomizer.gen_range(l..=r))
+            .cloned()
+            .unwrap())
+    }
+
+    pub fn get_short(&mut self) -> Result<Quote> {
+        self.get_range(self.groups.0)
+    }
+
+    pub fn get_medium(&mut self) -> Result<Quote> {
+        self.get_range(self.groups.1)
+    }
+
+    pub fn get_long(&mut self) -> Result<Quote> {
+        self.get_range(self.groups.2)
+    }
+
+    pub fn get_huge(&mut self) -> Result<Quote> {
+        self.get_range(self.groups.3)
+    }
+}
+
+#[derive(Deserialize, Clone)]
+pub struct Quote {
+    pub text: String,
+    pub source: Option<String>,
+}
+
+pub fn get_config_folder() -> Result<PathBuf> {
+    let mut path = match env::var("HOME") {
+        Ok(a) => PathBuf::from(a),
+        Err(_) => panic!("Can't access config folder"),
+    };
+
+    path.push(".config");
+    path.push("marika-finger-blaster");
+    if !path.exists() {
+        if path.is_file() {
+            fs::remove_file(&path)?;
+        }
+
+        fs::create_dir_all(&path)?;
+    }
+    Ok(path)
+}
+
+pub fn get_quoter() -> Result<Quoter> {
+    let mut config_folder = get_config_folder()?;
+    config_folder.push("quotes.json");
+    if !config_folder.exists() {
+        return Err(anyhow!("There's no quotes.json file"));
+    }
+    let r = fs::File::open(&config_folder)?;
+    let quoter = serde_json::from_reader(r)?;
+    Ok(quoter)
+}