start adding Issues struct

This holds everything there is to know about everything, for now that's
all issues but in the future there might be more?

Cargo.toml

@@ -4,4 +4,6 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+serde = { version = "1.0.217", features = ["derive"] }
 thiserror = "2.0.11"
+toml = "0.8.19"

src/issues.rs

@@ -0,0 +1,125 @@
+// Just a placeholder for now, get rid of this if we don't need it.
+#[derive(Debug, PartialEq, serde::Deserialize)]
+pub struct Config {}
+
+#[derive(Debug, PartialEq)]
+pub struct Issues {
+    pub issues: std::collections::HashMap<String, crate::issue::Issue>,
+    pub config: Config,
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum ReadIssuesError {
+    #[error(transparent)]
+    StdIoError(#[from] std::io::Error),
+    #[error("Failed to parse issue")]
+    IssueParseError(#[from] crate::issue::ReadIssueError),
+    #[error("cannot handle filename")]
+    FilenameError(std::ffi::OsString),
+    #[error(transparent)]
+    TomlDeserializeError(#[from] toml::de::Error),
+}
+
+impl Issues {
+    pub fn new() -> Self {
+        Self {
+            issues: std::collections::HashMap::new(),
+            config: Config {},
+        }
+    }
+
+    pub fn add_issue(&mut self, uuid: String, issue: crate::issue::Issue) {
+        self.issues.insert(uuid, issue);
+    }
+
+    fn parse_config(&mut self, config_path: &std::path::Path) -> Result<(), ReadIssuesError> {
+        let config_contents = std::fs::read_to_string(config_path)?;
+        let config: Config = toml::from_str(&config_contents)?;
+        self.config = config;
+        Ok(())
+    }
+
+    pub fn new_from_dir(dir: &std::path::Path) -> Result<Self, ReadIssuesError> {
+        let mut issues = Self::new();
+
+        for direntry in dir.read_dir()? {
+            if let Ok(direntry) = direntry {
+                if direntry.metadata()?.is_dir() {
+                    let uuid = match direntry.file_name().into_string() {
+                        Ok(uuid) => uuid,
+                        Err(orig_string) => {
+                            return Err(ReadIssuesError::FilenameError(orig_string))
+                        }
+                    };
+                    let issue = crate::issue::Issue::new_from_dir(direntry.path().as_path())?;
+                    issues.add_issue(uuid, issue);
+                } else if direntry.file_name() == "config.toml" {
+                    issues.parse_config(direntry.path().as_path())?;
+                } else {
+                    println!(
+                        "ignoring unknown file in issues directory: {:?}",
+                        direntry.file_name()
+                    );
+                }
+            }
+        }
+        return Ok(issues);
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn read_issues_0000() {
+        let issues_dir = std::path::Path::new("test/0000/");
+        let issues = Issues::new_from_dir(issues_dir).unwrap();
+
+        let mut expected = Issues::new();
+        expected.add_issue(
+            String::from("7792b063eef6d33e7da5dc1856750c149ba678c6"),
+            crate::issue::Issue {
+                title: String::from("minimal"),
+                description: None,
+                state: crate::issue::State::InProgress,
+            },
+        );
+        expected.add_issue(
+            String::from("3943fc5c173fdf41c0a22251593cd476d96e6c9f"),
+            crate::issue::Issue {
+                title: String::from("this is the title of my issue"),
+                description: Some(String::from("This is the description of my issue.\nIt is multiple lines.\n* Arbitrary contents\n* But let's use markdown by convention\n")),
+                state: crate::issue::State::New,
+            }
+        );
+        assert_eq!(issues, expected);
+    }
+
+    #[test]
+    fn read_issues_0001() {
+        let issues_dir = std::path::Path::new("test/0001/");
+        let issues = Issues::new_from_dir(issues_dir).unwrap();
+
+        let mut expected = Issues::new();
+        expected.add_issue(
+            String::from("3fa5bfd93317ad25772680071d5ac3259cd2384f"),
+            crate::issue::Issue {
+                title: String::from("oh yeah we got titles"),
+                description: None,
+                state: crate::issue::State::Done,
+            },
+        );
+        expected.add_issue(
+            String::from("dd79c8cfb8beeacd0460429944b4ecbe95a31561"),
+            crate::issue::Issue {
+                title: String::from("issues out the wazoo"),
+                description: Some(String::from(
+                    "Lots of words\nthat don't say much\nbecause this is just\na test\n",
+                )),
+                state: crate::issue::State::WontDo,
+            },
+        );
+        assert_eq!(issues, expected);
+    }
+}

src/lib.rs

@@ -1 +1,2 @@
 pub mod issue;
+pub mod issues;

test/0001/3fa5bfd93317ad25772680071d5ac3259cd2384f/state

@@ -0,0 +1 @@
+done

test/0001/3fa5bfd93317ad25772680071d5ac3259cd2384f/title

@@ -0,0 +1 @@
+oh yeah we got titles

test/0001/config.toml

@@ -0,0 +1 @@
+states = [ "open", "closed" ]

test/0001/dd79c8cfb8beeacd0460429944b4ecbe95a31561/description

@@ -0,0 +1,4 @@
+Lots of words
+that don't say much
+because this is just
+a test

test/0001/dd79c8cfb8beeacd0460429944b4ecbe95a31561/state

@@ -0,0 +1 @@
+wontdo

test/0001/dd79c8cfb8beeacd0460429944b4ecbe95a31561/title

@@ -0,0 +1 @@
+issues out the wazoo