feat: improved book number and series titles

.forgejo/workflows/push-main.yml

@@ -0,0 +1,35 @@
+name: Release Please
+
+permissions:
+  pull-requests: write
+  contents: write
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  release-plz:
+    name: Release-plz
+    runs-on: docker
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Run release-plz release-pr
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: release-plz release-pr --backend gitea --git-token ${{ secrets.FORGEJO_TOKEN }}
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+      - name: Run release-plz release
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: release-plz release --backend gitea --git-token ${{ secrets.FORGEJO_TOKEN }}
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}

.forgejo/workflows/push-next.yml

@@ -0,0 +1,52 @@
+name: Rust
+
+on:
+  push:
+    branches: ["next"]
+  pull_request:
+    branches: ["main"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: docker
+
+    strategy:
+      matrix:
+        toolchain:
+          - name: stable
+          - name: nightly
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Check TODOs
+        uses: https://git.kemitix.net/kemitix/forgejo-todo-checker@v1.1.0
+
+      - name: Machete
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo machete
+
+      - name: Format
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo fmt --all -- --check
+
+      - name: Clippy
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo hack --feature-powerset clippy
+
+      - name: Build
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo hack --feature-powerset build
+
+      - name: Test
+        uses: https://git.kemitix.net/kemitix/rust@v2.1.0
+        with:
+          args: ${{ matrix.toolchain.name }} cargo hack --feature-powerset test

Cargo.lock

@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.11"
@@ -62,7 +71,9 @@ version = "0.2.0"
 dependencies = [
  "anyhow",
  "clap",
- "mp4",
+ "pretty_assertions",
+ "regex",
+ "rstest",
  "taglib",
 ]
 
@@ -73,16 +84,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
-name = "byteorder"
+name = "cfg-if"
-version = "1.4.3"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
-
-[[package]]
-name = "bytes"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89b2fd2a0dcf38d7971e2194b6b6eebab45ae01067456a7fd93d5547a61b70be"
 
 [[package]]
 name = "clap"
@@ -130,6 +135,125 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
+[[package]]
+name = "futures"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "645c6916888f6cb6350d2550b80fb63e734897a8498abe35cfb732b6487804b0"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-channel"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a576fc72ae164fca6b9db127eaa9a9dda0d61316034f33a0a0d4eda41f02b01d"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "futures-sink"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
+
+[[package]]
+name = "futures-task"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004"
+
+[[package]]
+name = "futures-timer"
+version = "3.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f288b0a4f20f9a56b5d1da57e2227c661b7b16168e2f72365f57b63326e29b24"
+
+[[package]]
+name = "futures-util"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-macro",
+ "futures-sink",
+ "futures-task",
+ "memchr",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "glob"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
+
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -137,10 +261,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
 [[package]]
-name = "itoa"
+name = "indexmap"
-version = "1.0.9"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
 
 [[package]]
 name = "libc"
@@ -149,60 +277,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
 [[package]]
-name = "mp4"
+name = "memchr"
-version = "0.14.0"
+version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9ef834d5ed55e494a2ae350220314dc4aacd1c43a9498b00e320e0ea352a5c3"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
+
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
+[[package]]
+name = "pretty_assertions"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ae130e2f271fbc2ac3a40fb1d07180839cdbbe443c7a27e1e3c13c5cac0116d"
 dependencies = [
- "byteorder",
+ "diff",
- "bytes",
+ "yansi",
- "num-rational",
- "serde",
- "serde_json",
- "thiserror",
 ]
 
 [[package]]
-name = "num-bigint"
+name = "proc-macro-crate"
-version = "0.4.4"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "608e7659b5c3d7cba262d894801b9ec9d00de989e8a82bd4bef91d08da45cdc0"
+checksum = "8ecf48c7ca261d60b74ab1a7b20da18bede46776b2e55535cb958eb595c5fa7b"
 dependencies = [
- "autocfg",
+ "toml_edit",
- "num-integer",
- "num-traits",
-]
-
-[[package]]
-name = "num-integer"
-version = "0.1.45"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
-dependencies = [
- "autocfg",
- "num-traits",
-]
-
-[[package]]
-name = "num-rational"
-version = "0.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0638a1c9d0a3c0914158145bc76cff373a75a627e6ecbfb71cbe6f453a5a19b0"
-dependencies = [
- "autocfg",
- "num-bigint",
- "num-integer",
- "num-traits",
- "serde",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f30b0abd723be7e2ffca1272140fac1a2f084c77ec3e123c192b66af1ee9e6c2"
-dependencies = [
- "autocfg",
 ]
 
 [[package]]
@@ -224,40 +332,92 @@ dependencies = [
 ]
 
 [[package]]
-name = "ryu"
+name = "regex"
-version = "1.0.15"
+version = "1.10.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
+checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
-
-[[package]]
-name = "serde"
-version = "1.0.188"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf9e0fcba69a370eed61bcf2b728575f726b50b55cba78064753d708ddc7549e"
 dependencies = [
- "serde_derive",
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
 ]
 
 [[package]]
-name = "serde_derive"
+name = "regex-automata"
-version = "1.0.188"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4eca7ac642d82aa35b60049a6eccb4be6be75e599bd2e9adb5f875a737654af2"
+checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
 dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
+
+[[package]]
+name = "relative-path"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba39f3699c378cd8970968dcbff9c43159ea4cfbd88d43c00b22f2ef10a435d2"
+
+[[package]]
+name = "rstest"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b423f0e62bdd61734b67cd21ff50871dfaeb9cc74f869dcd6af974fbcb19936"
+dependencies = [
+ "futures",
+ "futures-timer",
+ "rstest_macros",
+ "rustc_version",
+]
+
+[[package]]
+name = "rstest_macros"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c5e1711e7d14f74b12a58411c542185ef7fb7f2e7f8ee6e2940a883628522b42"
+dependencies = [
+ "cfg-if",
+ "glob",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
+ "regex",
+ "relative-path",
+ "rustc_version",
  "syn",
+ "unicode-ident",
 ]
 
 [[package]]
-name = "serde_json"
+name = "rustc_version"
-version = "1.0.105"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360"
+checksum = "cfcb3a22ef46e85b45de6ee7e79d063319ebb6594faafcf1c225ea92ab6e9b92"
 dependencies = [
- "itoa",
+ "semver",
- "ryu",
+]
- "serde",
+
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
+[[package]]
+name = "slab"
+version = "0.4.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f92a496fb766b417c996b9c5e57daf2f7ad3b0bebe1ccfca4856390e3d3bb67"
+dependencies = [
+ "autocfg",
 ]
 
 [[package]]
@@ -297,23 +457,20 @@ dependencies = [
 ]
 
 [[package]]
-name = "thiserror"
+name = "toml_datetime"
-version = "1.0.47"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97a802ec30afc17eee47b2855fc72e0c4cd62be9b4efe6591edde0ec5bd68d8f"
+checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
-dependencies = [
- "thiserror-impl",
-]
 
 [[package]]
-name = "thiserror-impl"
+name = "toml_edit"
-version = "1.0.47"
+version = "0.22.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bb623b56e39ab7dcd4b1b98bb6c8f8d907ed255b18de254088016b27a8ee19b"
+checksum = "4ae48d6208a266e853d946088ed816055e556cc6028c5e8e2b84d9fa5dd7c7f5"
 dependencies = [
- "proc-macro2",
+ "indexmap",
- "quote",
+ "toml_datetime",
- "syn",
+ "winnow",
 ]
 
 [[package]]
@@ -393,3 +550,18 @@ name = "windows_x86_64_msvc"
 version = "0.52.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+
+[[package]]
+name = "winnow"
+version = "0.6.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c52ac009d615e79296318c1bcce2d422aaca15ad08515e344feeda07df67a587"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "yansi"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfe53a6657fd280eaa890a3bc59152892ffa3e30101319d168b781ed6529b049"

Cargo.toml

@@ -6,7 +6,11 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.4", features = ["derive", "cargo"] }
-mp4 = "0.14.0"
-taglib = "1.0.0"
 anyhow = "1.0.75"
+clap = { version = "4.4", features = ["derive", "cargo"] }
+regex = "1.10"
+taglib = "1.0.0"
+
+[dev-dependencies]
+pretty_assertions = "1.4"
+rstest = "0.22"

justfile

@@ -1,2 +1,5 @@
-default:
+dry-run:
+  cargo run -- --dry-run ~/Nextcloud/Audible-Inbox/
+
+run:
   cargo run -- ~/Nextcloud/Audible-Inbox/

src/main.rs

@@ -1,3 +1,8 @@
+//
+
+#[cfg(test)]
+mod tests;
+
 use anyhow::{Context, Result};
 use clap::{crate_version, Parser};
 use std::{
@@ -17,30 +22,40 @@ struct Arguments {
 
     /// Path
     path: Option<String>,
+
+    /// Dry-Run
+    #[clap(long)]
+    dry_run: bool,
+}
+impl Arguments {
+    fn not_dry_run(&self) -> bool {
+        !self.dry_run
+    }
 }
 
 fn main() {
     let args = Arguments::parse();
     if args.version {
         println!("Version {}", crate_version!());
-    } else if let Some(path) = args.directory {
+    } else if let Some(path) = &args.directory {
-        rename_files_in_directory(path);
+        rename_files_in_directory(path.to_string(), &args);
-    } else if let Some(path) = args.path {
+    } else if let Some(path) = &args.path {
-        rename_files_in_directory(path);
+        rename_files_in_directory(path.to_string(), &args);
     } else {
         eprintln!("Please provide a directory");
     }
 }
 
-fn rename_files_in_directory(directory: String) {
+fn rename_files_in_directory(directory: String, args: &Arguments) {
     println!("Renaming files in {}", directory);
-    match rename_files(&directory, &directory) {
+    match rename_files(&directory, &directory, args) {
-        Ok(count) => println!("Renamed {} files", count),
+        Ok(count) if args.not_dry_run() => println!("Renamed {} files", count),
+        Ok(_) => println!("Dry-Run complete"),
         Err(e) => eprintln!("Error: {}", e),
     }
 }
 
-fn rename_files(directory: &str, base: &str) -> Result<i32> {
+fn rename_files(directory: &str, base: &str, args: &Arguments) -> Result<i32> {
     let entries = read_dir(directory).context("Failed to read directory")?;
     let mut count = 0;
     for entry in entries {
@@ -48,42 +63,75 @@ fn rename_files(directory: &str, base: &str) -> Result<i32> {
         let path = entry.path();
         if path.is_dir() {
             if let Some(sub_dir) = path.to_str() {
-                count += rename_files(sub_dir, base).context("Failed to rename files")?;
+                count += rename_files(sub_dir, base, args).context("Failed to rename files")?;
             }
         }
-        if path.is_file() {
+        if !path.is_file() {
-            if let Ok(file) = taglib::File::new(&path) {
+            continue;
-                if let Ok(tag) = file.tag() {
+        }
-                    if let Some(title) = tag.title() {
+        let Ok(file) = taglib::File::new(&path) else {
-                        if let Some(artist) = tag.artist() {
+            continue;
-                            let album = parse_album(&title);
+        };
-                            count += 1;
+        let Ok(tag) = file.tag() else {
-                            let new_name = match album.len() {
+            continue;
-                                0 => format!("{artist}/{title}/{title}.m4b"),
+        };
-                                _ => format!("{artist}/{album}/{title}/{title}.m4b"),
+        let (Some(title), Some(artist)) = (tag.title(), tag.artist()) else {
-                            };
+            continue;
-                            println!("Renaming {} to {}", path.display(), new_name);
+        };
-                            let target_path = Path::new(&base).join(new_name);
+        let album = parse_album(&title);
-                            if !target_path.exists() {
+        count += 1;
-                                let dir = target_path.parent().with_context(|| {
+        let new_name = if album.is_empty() {
-                                    format!("Failed to get parent: {:#?}", target_path)
+            format!("{artist}/{title}/{title}.m4b")
-                                })?;
+        } else {
-                                create_dir_all(dir).with_context(|| {
+            build_series_name(&artist, &album, &title)
-                                    format!("Failed to create directory: {:#?}", dir)
+        };
-                                })?;
+        println!("==============================");
-                            }
+        println!("- artist: {artist}");
-                            rename(&path, &target_path).with_context(|| {
+        println!("- album : {album}");
-                                format!("Failed to rename file: {:#?}", target_path)
+        println!("- title : {title}");
-                            })?;
+        println!("> {new_name}");
-                        }
+        if args.not_dry_run() {
-                    }
+            let target_path = Path::new(&base).join(new_name);
-                }
+            if !target_path.exists() {
+                let dir = target_path
+                    .parent()
+                    .with_context(|| format!("Failed to get parent: {:#?}", target_path))?;
+                create_dir_all(dir)
+                    .with_context(|| format!("Failed to create directory: {:#?}", dir))?;
             }
+
+            rename(&path, &target_path)
+                .with_context(|| format!("Failed to rename file: {:#?}", target_path))?;
         }
     }
     Ok(count)
 }
 
+fn build_series_name(artist: &str, album: &str, title: &str) -> String {
+    let index = parse_index(title);
+    let title = parse_title(title);
+    format!("{artist}/{album}/{index}. {title}/{index}. {title}.m4b")
+}
+
+fn parse_index(title: &str) -> String {
+    if let Ok(index_re) = regex::Regex::new(r", Book (?P<INDEX>\d+)") {
+        if let Some(captures) = index_re.captures(title) {
+            let index = captures.name("INDEX").map_or("", |m| m.as_str());
+            return index.to_string();
+        }
+    }
+    String::new()
+}
+fn parse_title(title: &str) -> String {
+    if let Ok(title_re) = regex::Regex::new(r"^(?P<TITLE>.*?):") {
+        if let Some(captures) = title_re.captures(title) {
+            let title = captures.name("TITLE").map_or("", |m| m.as_str());
+            return title.to_string();
+        }
+    }
+    title.to_string()
+}
+
 fn parse_album(title: &str) -> String {
     let parts: Vec<&str> = title.split(':').collect();
     match &parts[..] {

src/tests.rs

@@ -0,0 +1,18 @@
+//
+use super::*;
+
+use pretty_assertions::assert_eq;
+
+#[rstest::rstest]
+#[case("Discworld", "The Truth: Discworld, Book 25", "25. The Truth")]
+#[case(
+    "A Darker Shade of Magic",
+    "A Conjuring of Light: A Darker Shade of Magic, Book 3",
+    "3. A Conjuring of Light"
+)]
+fn parse_series_details(#[case] album: &str, #[case] title: &str, #[case] expected: &str) {
+    let expected_result = format!("Bob/{album}/{expected}/{expected}.m4b");
+    let result = build_series_name("Bob", album, title);
+
+    assert_eq!(result, expected_result);
+}