1 files changed, 116 insertions, 0 deletions
diff --git a/src/error.rs b/src/error.rs
new file mode 100644
index 0000000..c86ad13
--- /dev/null
+++ b/src/error.rs
@@ -0,0 +1,116 @@
+//! Errors returned from functions in this crate.
+
+use std::path::PathBuf;
+
+#[derive(Debug, thiserror::Error)]
+pub enum JournalError {
+    /// Configuration file does not exist.
+    #[error("specified configuration file does not exist: {0}")]
+    ConfigMissing(PathBuf),
+
+    /// Failed to read the configuration file.
+    ///
+    /// This is for permission problems and such.
+    #[error("failed to read configuration file {0}")]
+    ReadConfig(PathBuf, #[source] std::io::Error),
+
+    /// Configuration file has a syntax error.
+    #[error("failed to understand configuration file syntax: {0}")]
+    ConfigSyntax(PathBuf, #[source] serde_yaml::Error),
+
+    /// The specified directory does not look like a journal.
+    #[error("directory {0} is not a journal")]
+    NotAJournal(String),
+
+    /// The specified directory for the journal does not exist.
+    #[error("journal directory does not exist: {0}")]
+    NoJournalDirectory(PathBuf),
+
+    /// Failed to create the directory for the journal.
+    #[error("failed to create journal directory {0}")]
+    CreateDirectory(PathBuf, #[source] std::io::Error),
+
+    /// Failed to rename entry when finishing it.
+    #[error("failed to rename journal entry {0} to {1}: {2}")]
+    RenameEntry(PathBuf, PathBuf, #[source] std::io::Error),
+
+    /// Failed to rename draft.
+    #[error("failed to remove draft {0}: {1}")]
+    RemoveDraft(PathBuf, #[source] std::io::Error),
+
+    /// Failed to write entry.
+    #[error("failed to create journal entry {0}: {1}")]
+    WriteEntry(PathBuf, #[source] std::io::Error),
+
+    /// Failed to write topic page.
+    #[error("failed to create topic page {0}: {1}")]
+    WriteTopic(PathBuf, #[source] std::io::Error),
+
+    /// User chose a draft that doesn't exist.
+    #[error("No draft {0} in {1}")]
+    NoSuchDraft(String, PathBuf),
+
+    /// Too many drafts.
+    #[error("there are already {0} drafts in {1}, can't create more")]
+    TooManyDrafts(usize, PathBuf),
+
+    /// User chose a topic that doesn't exist.
+    #[error("No topic page {0}")]
+    NoSuchTopic(PathBuf),
+
+    /// Failed to read draft.
+    #[error("failed to drafts {0}: {1}")]
+    ReadDraft(PathBuf, #[source] std::io::Error),
+
+    /// Draft is not UTF8.
+    #[error("draft {0} is not UTF8: {1}")]
+    DraftNotUUtf8(PathBuf, #[source] std::string::FromUtf8Error),
+
+    /// Failed to get metadata for specific file in drafts folder.
+    #[error("failed to stat draft in {0}: {1}")]
+    StatDraft(PathBuf, #[source] std::io::Error),
+
+    /// Error spawning git.
+    #[error("failed to start git in {0}: {1}")]
+    SpawnGit(PathBuf, std::io::Error),
+
+    /// Git init failed.
+    #[error("git init failed in {0}: {1}")]
+    GitInit(PathBuf, String),
+
+    /// Git add failed.
+    #[error("git add failed in {0}: {1}")]
+    GitAdd(PathBuf, String),
+
+    /// Git commit failed.
+    #[error("git commit failed in {0}: {1}")]
+    GitCommit(PathBuf, String),
+
+    /// Error spawning editor.
+    #[error("failed to start editor {0}: {1}")]
+    SpawnEditor(PathBuf, #[source] std::io::Error),
+
+    /// Editor failed.
+    #[error("editor {0} failed: {1}")]
+    EditorFailed(PathBuf, String),
+
+    /// Template not found.
+    #[error("template not found: {0}")]
+    TemplateNotFound(String),
+
+    /// Failed to render a Tera template.
+    #[error("template {0} failed to render: {1}")]
+    TemplateRender(String, #[source] tera::Error),
+
+    /// Failed to make a path relative to a directory.
+    #[error("failed to make {0} relative to {1}: {2}")]
+    RelativePath(PathBuf, PathBuf, std::path::StripPrefixError),
+
+    /// Problem with glob pattern.
+    #[error("Error in glob pattern {0}: {1}")]
+    PatternError(String, #[source] glob::PatternError),
+
+    /// Problem when matching glob pattern on actual files.
+    #[error("Failed to match glob pattern {0}: {1}")]
+    GlobError(String, #[source] glob::GlobError),
+}