more work

src/data.rs

@@ -1,6 +1,6 @@
 use std::{
     collections::HashMap,
-    fs::{read_to_string, DirBuilder, File},
+    fs::{read_to_string, remove_file, DirBuilder, File},
     io::{self, BufRead},
     path::PathBuf,
 };
@@ -30,6 +30,8 @@ pub enum Error {
     ShitMissing(String),
     #[error("filesystem error")]
     FS,
+    #[error("id collision wtf")]
+    IDCollision,
 }
 
 fn meta_str_to_map(from: &str) -> Result<HashMap<&str, String>, Error> {
@@ -65,6 +67,15 @@ impl TextMeta {
     }
 }
 
+impl std::fmt::Display for TextMeta {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let buf = "".to_string();
+        self.language
+            .map(|lang| buf += format!("{}\n", lang).as_str());
+        write!(f, "{}---\n", buf)
+    }
+}
+
 struct FileMeta {
     file_name: String,
 }
@@ -128,6 +139,73 @@ impl DataStorage {
         Ok(())
     }
 
+    pub fn create_text(&mut self, id: String, text: String, meta: TextMeta) -> Result<(), Error> {
+        if self.text.contains_key(&id) {
+            return Err(Error::IDCollision);
+        }
+        self.text.insert(id, TextPaste { text, meta });
+        Ok(())
+    }
+
+    pub fn edit_text(
+        &mut self,
+        id: String,
+        new_text: Option<String>,
+        new_meta: Option<TextMeta>,
+    ) -> Result<(), Error> {
+        let mut paste = self.text.get(&id).ok_or(Error::ShitMissing(id))?;
+        new_text.map(|nt| paste.text = nt);
+        new_meta.map(|nm| paste.meta = nm);
+
+        Ok(())
+    }
+
+    pub fn delete_text(&mut self, id: String) -> Result<String, Error> {
+        let old_text = self
+            .text
+            .remove(&id)
+            .ok_or(Error::ShitMissing(id))
+            .map(|(_, paste)| paste.text)?;
+
+        remove_file(self.base_dir.join(*TEXT_DIR).join(id))?;
+
+        Ok(old_text)
+    }
+
+    pub fn create_file(&mut self, id: String, file_meta: FileMeta) -> Result<(), Error> {
+        todo!()
+    }
+
+    pub fn delete_file(&mut self, id: String) -> Result<(), Error> {
+        let file_meta = self.files.remove(&id).ok_or(Error::ShitMissing(id))?.1;
+
+        remove_file(self.base_dir.join(*FILE_DIR).join(id))?;
+        remove_file(self.base_dir.join(*FILE_DIR).join(id + ".meta"))?;
+
+        Ok(())
+    }
+
+    pub fn create_redirect(&mut self, id: String, target: String) -> Result<(), Error> {
+        todo!()
+    }
+
+    pub fn edit_redirect(&mut self, id: String, new_target: String) -> Result<(), Error> {
+        if !self.redirects.contains_key(&id) {
+            return Err(Error::ShitMissing(id));
+        }
+        self.redirects.insert(id, new_target);
+
+        self.write_redirects()?;
+        Ok(())
+    }
+
+    pub fn delete_redirect(&mut self, id: String) -> Result<(), Error> {
+        self.redirects.remove(&id).ok_or(Error::ShitMissing(id))?;
+
+        self.write_redirects()?;
+        Ok(())
+    }
+
     fn ensure_folder_structure(&self) -> Result<(), Error> {
         let dir_builder = DirBuilder::new().recursive(true);
         if cfg!(target_family = "unix") {
@@ -220,4 +298,25 @@ impl DataStorage {
         }
         Ok(())
     }
+
+    fn write_redirects(&self) -> Result<(), Error> {
+        let fuckery: String = self
+            .redirects
+            .into_iter()
+            .map(|(id, target)| format!("{}: {}\n", id, target))
+            .collect();
+        std::fs::write(self.base_dir.join(*REDIRECTS_FILE), fuckery)?;
+
+        Ok(())
+    }
+
+    fn write_text(&self, id: String) -> Result<(), Error> {
+        let text_paste = self.text.get(&id).ok_or(Error::ShitMissing(id))?;
+        let fuckery = text_paste.meta.to_string();
+        fuckery += text_paste.text.as_str();
+
+        std::fs::write(self.base_dir.join(*TEXT_DIR).join(id), fuckery)?;
+
+        Ok(())
+    }
 }