code cleaning, added year pager

Cargo.toml

@@ -9,9 +9,19 @@ markdown = { git = "https://github.com/johannhof/markdown.rs" }
 chrono = "0.4"
 rss = "1.6.1"
 percent-encoding = "1.0.1"
-image-utils = "0.2.0"
-image = "0.21.0"
 blake2 = "0.8.0"
 base64 = "0.10.1"
 failure = "0.1.5"
+smart-default = "0.6.0"
+env_logger = "0.7.1"
+log = "0.4.8"
+clap = "2.33.0"
+serde = "1.0.105"
+serde_json = "1.0.48"
+serde_derive = "1.0.105"
+itertools = "0.9.0"
 
+[dependencies.image]
+version = "0.21.0"
+default-features = false
+features = ["jpeg","jpeg_rayon"]

build.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
 
-#cargo run --release
-target/release/bread
+cargo run --release
+#target/release/bread
 cp -R web/* /home/ondra/devel/ondrovo/blog/base/bread/

src/bread.rs

@@ -0,0 +1,285 @@
+use crate::GalleryInfo;
+use std::path::{PathBuf, Path};
+use percent_encoding::utf8_percent_encode;
+use std::{fs, io};
+use blake2::{Blake2b, Digest};
+use rss::{ItemBuilder, Guid};
+use chrono::{TimeZone, Date, Utc, NaiveDate, Datelike};
+use std::fs::{OpenOptions, DirEntry, File};
+use std::io::{Read, Write};
+use failure::Fallible;
+use std::borrow::Cow;
+
+#[derive(Debug)]
+pub struct BreadRendered {
+    detail: String,
+    title: String,
+    url: String,
+    detail_fname: String,
+    pub thumb: String,
+    pub rss_item: Option<rss::Item>,
+}
+
+#[derive(Debug)]
+pub struct Bread {
+    path: PathBuf,
+    rel_path: PathBuf,
+    pub date: chrono::NaiveDate,
+    note: String,
+    rss_note: String,
+    images: Vec<PathBuf>,
+    pub rendered: BreadRendered,
+}
+
+#[derive(Debug)]
+pub struct BreadLink {
+    label: String,
+    url: String,
+}
+
+impl Bread {
+    pub fn compile(&mut self, config: &mut GalleryInfo, prev : Option<BreadLink>, next : Option<BreadLink>) -> Fallible<()> {
+        let date = self.date.format("%Y/%m/%d").to_string();
+        let date_slug = self.date.format("%Y-%m-%d").to_string();
+        let detail_file = date_slug.clone() + ".html";
+        println!("+ {}", date_slug);
+
+        self.rendered.title = date.clone();
+        self.rendered.detail_fname = detail_file.clone();
+
+        // figure out the thumbnail pic
+        let (img_path, img_alt) = {
+            let mut first_img: &PathBuf = self.images.get(0).expect(&format!("No images for bread {}", date_slug));
+            for im in &self.images {
+                if im.file_name().unwrap().to_string_lossy().contains("cover") {
+                    first_img = im;
+                    break;
+                }
+            }
+            (
+                first_img.to_str().unwrap().to_owned(),
+                first_img.file_name().unwrap().to_string_lossy().to_owned(),
+            )
+        };
+
+        let (note, note_html) = if self.note.is_empty() {
+            (Cow::Owned(String::new()), "<!-- There's no note about this bread. -->".to_string())
+        } else {
+            (Cow::Borrowed(&self.note), format!(r#"<div class="note">{}</div>"#, self.note.trim()))
+        };
+
+        let thumb_fname = date_slug.clone() + "." + Path::new(&img_path).extension().unwrap().to_str().unwrap();
+        let thumb_path = config.thumbs_path.join(&thumb_fname);
+        let thumb_relpath = thumb_path.strip_prefix(&config.web_path)?;
+
+        let image_path_encoded = urlencode(thumb_relpath.to_string_lossy());
+
+        let image_real_path = config.web_path.join(img_path);
+
+        // Create the thumb
+        {
+            let mut img_file = fs::File::open(&image_real_path)?;
+            let mut hasher = Blake2b::new();
+            io::copy(&mut img_file, &mut hasher)?;
+            let hash = base64::encode(&hasher.result());
+
+            let hash_key = thumb_path.to_str().unwrap();
+            let old_hash = config.image_hashes.get(hash_key);
+            if old_hash.is_none() || !old_hash.unwrap().eq(&hash) {
+                println!("building thumb...");
+
+                let im = image::open(&image_real_path)?;
+                let im = im.thumbnail(500, 500);
+                im.save(&thumb_path)?;
+
+                config.image_hashes.put(hash_key.to_string(), hash);
+            }
+        }
+
+        // Prepare the thumb card for the gallery page
+        {
+            self.rendered.thumb = config
+                .template("_thumb.html")?
+                .replace("{detail_url}", &detail_file)
+                .replace("{img_src}", &image_path_encoded)
+                .replace("{img_alt}", &img_alt)
+                .replace("{title}", &date);
+        }
+
+        // Add to RSS
+        {
+            let image_url: String = config.base_url.to_owned() + "/" + &image_path_encoded;
+
+            let link: String = config.base_url.to_owned() + "/" + &detail_file;
+            let mut guid = Guid::default();
+            guid.set_value(link.clone());
+            guid.set_permalink(true);
+
+            let date_formatted: Date<Utc> = chrono::Utc.from_local_date(&self.date).unwrap();
+            let dt = date_formatted.and_hms(12, 0, 0);
+
+            let mut descr = String::new();
+            if !self.rss_note.is_empty() {
+                descr.push_str(&self.rss_note);
+                descr.push_str("<hr>");
+            }
+            descr.push_str(&note);
+            descr.push_str(&format!(
+                "<img src=\"{}\" alt=\"{}\"><p><i>Open the link for full-res photos ({} total)</i>",
+                image_url,
+                img_alt,
+                self.images.len()
+            ));
+
+            self.rendered.url = link.clone();
+
+            let item: rss::Item = ItemBuilder::default()
+                .title(date.clone())
+                .link(link)
+                .description(descr)
+                .guid(guid)
+                .pub_date(dt.to_rfc2822())
+                .build().unwrap();
+
+            self.rendered.rss_item = Some(item);
+        }
+
+        let head_tpl = config.template("_head.html")?;
+
+        // Generate the detail page
+        {
+            let win_title = format!("Bread from {}", date);
+
+            let byear = self.date.year();
+            let detail = config
+                .template("detail.html")?
+                .replace("{head}", &head_tpl.replace("{title}", &win_title))
+                .replace("{title}", &win_title)
+                .replace("{date}", &date_slug);
+
+            let detail = if byear == config.latest_year {
+                detail.replace("{gallery_url}", "index.html")
+            } else {
+                detail.replace("{gallery_url}", &format!("{}.html", byear))
+            };
+
+            let detail = detail
+                .replace("{url}", &format!("{}/{}", config.base_url, detail_file))
+                .replace(
+                    "{thumb_url}",
+                    &format!("{}/thumbs/{}", config.base_url, thumb_fname),
+                )
+                .replace("{heading}", &date)
+                .replace("{prev}", &(match prev {
+                    Some(b) => format!(r##"<a class="#prev" href="{}" title="{}">&lt;</a>"##, b.url, b.label),
+                    None => "".to_string()
+                }))
+                .replace("{next}", &(match next {
+                    Some(b) => format!(r##"<a class="#next" href="{}" title="{}">&gt;</a>"##, b.url, b.label),
+                    None => "".to_string()
+                }))
+                .replace("{note}", &note_html);
+
+            let mut pics = String::new();
+            for img in &self.images {
+                let src = urlencode(img.to_string_lossy());
+                pics.push_str(&format!(
+                    "      <a href=\"{src}\"><img alt=\"Bread photo {src}\" src=\"{src}\"></a>\n",
+                    src=&src
+                ))
+            }
+
+
+            let detail = detail.replace("{images}", &pics.trim());
+
+            let mut f = OpenOptions::new().write(true).truncate(true).create(true).open(config.web_path.join(detail_file)).unwrap();
+            f.write(detail.as_bytes()).unwrap();
+
+            self.rendered.detail = detail;
+        }
+
+        Ok(())
+    }
+
+    pub fn to_link(&self) -> BreadLink {
+        BreadLink {
+            label: self.date.format("%Y/%m/%d").to_string(),
+            url: self.date.format("%Y-%m-%d.html").to_string(),
+        }
+    }
+
+    pub fn parse(base_dir: &PathBuf, bread_dir: &DirEntry) -> Fallible<Bread> {
+        let bpath = bread_dir.path();
+        let mut note = String::new();
+        let mut rss_note = String::new();
+
+        let mut note_path = bpath.join("note.txt");
+        let mut rss_note_path = bpath.join("rss.txt");
+
+        // try a md one as a fallback
+        if !note_path.exists() {
+            note_path = bpath.join("note.md");
+        }
+
+        if !rss_note_path.exists() {
+            rss_note_path = bpath.join("rss.md");
+        }
+
+        if note_path.exists() {
+            let mut note_file = File::open(note_path)?;
+            note_file.read_to_string(&mut note)?;
+            note = markdown::to_html(&note);
+        }
+
+        if rss_note_path.exists() {
+            let mut note_file = File::open(rss_note_path)?;
+            note_file.read_to_string(&mut rss_note)?;
+            rss_note = markdown::to_html(&rss_note);
+        }
+
+        let mut bread_files: Vec<DirEntry> = fs::read_dir(&bpath)?
+            .map(|e| e.unwrap())
+            .collect();
+
+        bread_files.sort_by(|x, y| {
+            x.file_name().cmp(&y.file_name())
+        });
+
+        let images = bread_files
+            .iter()
+            .filter(|&f| {
+                let fname = f.file_name();
+                let name = fname.to_string_lossy();
+                return name.ends_with(".jpg") || name.ends_with(".jpeg");
+            })
+            .map(|x| {
+                x.path().strip_prefix(base_dir).unwrap().to_path_buf()
+            })
+            .collect();
+
+        return Ok(Bread {
+            date: NaiveDate::parse_from_str(
+                &bpath.file_name().unwrap().to_string_lossy(),
+                "%Y-%m-%d",
+            )
+                .unwrap(),
+            rel_path: bpath.strip_prefix(base_dir)?.to_path_buf(),
+            path: bpath,
+            note,
+            rss_note,
+            images,
+            rendered: BreadRendered {
+                thumb: "".to_string(),
+                detail: "".to_string(),
+                rss_item: None,
+                title: "".to_string(),
+                url: "".to_string(),
+                detail_fname: "".to_string()
+            },
+        });
+    }
+}
+
+pub fn urlencode<'a>(url : impl Into<Cow<'a, str>>) -> String {
+    utf8_percent_encode(url.into().as_ref(), percent_encoding::DEFAULT_ENCODE_SET).to_string()
+}

src/logging.rs

@@ -0,0 +1,85 @@
+use failure::{bail, Fallible};
+
+pub const LOG_LEVELS: [&str; 5] = ["error", "warn", "info", "debug", "trace"];
+
+/// 3rd-party libraries that produce log spam - we set these to a fixed higher level
+/// to allow using e.g. TRACE without drowing our custom messages
+pub const SPAMMY_LIBS: [&str; 5] = ["tokio_reactor", "hyper", "reqwest", "mio", "want"];
+
+pub fn add_clap_args<'b, 'a: 'b>(clap : clap::App<'a, 'b>) -> clap::App<'a, 'b> {
+    clap
+        .arg(clap::Arg::with_name("verbose")
+            .short("v").multiple(true)
+            .help("Increase logging verbosity (repeat to increase)"))
+        .arg(clap::Arg::with_name("log-level")
+            .short("l").long("log")
+            .takes_value(true).value_name("LEVEL")
+            .validator(|s| {
+                if LOG_LEVELS.contains(&s.as_str()) { return Ok(()); }
+                Err(format!("Bad log level: {}", s))
+            })
+            .help("Set logging verbosity (error,warning,info,debug,trace)"))
+}
+
+/// Initialize logging, using `level` as the base if not changed via command-line
+/// arguments
+pub fn init<'a, 'b>(mut level: &'a str,
+                    argv: &'a clap::ArgMatches,
+                    suppress: Option<&'b [&str]>) -> Fallible<&'a str> {
+    if !LOG_LEVELS.contains(&level) {
+        bail!("Invalid default log level: {}", level);
+    }
+
+    /* env RUST_LOG overrides default if set, but can be changed by CLI args */
+    let env_level = option_env!("RUST_LOG").unwrap_or(""); //env_logger::DEFAULT_FILTER_ENV
+    if !env_level.is_empty() {
+        level = env_level;
+
+        if !LOG_LEVELS.contains(&level) {
+            bail!("Invalid env log level: {}", level);
+        }
+    }
+
+    /* Explicitly requested level */
+    if let Some(l) = argv.value_of("log-level") {
+        level = l; // validated by clap
+    }
+
+    /* Verbosity increased */
+    if argv.is_present("verbose") {
+        // bump verbosity if -v's are present
+        let pos = LOG_LEVELS
+            .iter()
+            .position(|x| x == &level)
+            .unwrap();
+
+        level = match LOG_LEVELS
+            .iter()
+            .nth(pos + argv.occurrences_of("verbose") as usize)
+        {
+            Some(new_level) => new_level,
+            None => "trace",
+        };
+    }
+
+    let env = env_logger::Env::default().default_filter_or(level);
+    let mut builder = env_logger::Builder::from_env(env);
+
+    builder.format_timestamp_millis();
+
+    // set logging level for spammy libs. Ensure the configured log level is not exceeded
+    let mut lib_level = log::LevelFilter::Info;
+    if level == "warn" {
+        lib_level = log::LevelFilter::Warn;
+    } else if level == "error" {
+        lib_level = log::LevelFilter::Error;
+    }
+
+    for lib in suppress.unwrap_or(&SPAMMY_LIBS) {
+        builder.filter_module(lib, lib_level);
+    }
+
+    builder.init();
+
+    Ok(level)
+}

src/main.rs

@@ -1,291 +1,41 @@
-use blake2::{Blake2b, Digest};
-use chrono;
-use chrono::offset::TimeZone;
-use chrono::Date;
-use chrono::NaiveDate;
-use chrono::Utc;
-use failure::Fallible;
-use image_utils;
-use markdown;
-use percent_encoding::{utf8_percent_encode, DEFAULT_ENCODE_SET};
-use rss::{Channel, ChannelBuilder, Guid, ItemBuilder};
-use std::env;
-use std::fs;
-use std::fs::DirEntry;
-use std::fs::File;
-use std::fs::OpenOptions;
-use std::io;
-use std::io::prelude::*;
-use std::path::{Path, PathBuf};
-
-use base64;
+// #[global_allocator]
+// static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;
+
+#[macro_use]
+extern crate smart_default;
+#[macro_use]
+extern crate failure;
+#[macro_use]
+extern crate serde_derive;
+#[macro_use]
+extern crate log;
+
+use std::path::{PathBuf, Path};
 use std::collections::HashMap;
+use std::fs::{File, DirEntry, OpenOptions};
+use std::io::{Read, Write};
+use std::{env, fs, io};
+use failure::Fallible;
+use clap;
 
 mod hash_dict;
-
-#[derive(Debug)]
-struct BreadRendered {
-    thumb: String,
-    detail: String,
-    rss_item: Option<rss::Item>,
-    title: String,
-    url: String,
-    detail_fname: String,
-}
-
-#[derive(Debug)]
-struct Bread {
-    path: PathBuf,
-    rel_path: PathBuf,
-    date: chrono::NaiveDate,
-    note: String,
-    rss_note: String,
-    images: Vec<PathBuf>,
-    rendered: BreadRendered,
-}
-
-//impl From<std::option::NoneError> for failure::Error {
-//    fn from(x: std::option::NoneError) -> Self {
-//        failure::err_msg("Expected something, found nothing.")
-//    }
-//}
-
-#[derive(Debug)]
-struct BreadLink {
-    label: String,
-    url: String,
-}
-
-impl Bread {
-    fn compile(&mut self, config: &mut GalleryConfig, prev : Option<BreadLink>, next : Option<BreadLink>) -> Fallible<()> {
-        let date = self.date.format("%Y/%m/%d").to_string();
-        let date_slug = self.date.format("%Y-%m-%d").to_string();
-        let detail_file = date_slug.clone() + ".html";
-        println!("+ {}", date_slug);
-
-        self.rendered.title = date.clone();
-        self.rendered.detail_fname = detail_file.clone();
-
-        // figure out the thumbnail pic
-        let (img_path, img_alt) = {
-            let mut first_img: &PathBuf = self.images.get(0).expect(&format!("No images for bread {}", date_slug));
-            for im in &self.images {
-                if im.file_name().unwrap().to_str().unwrap().contains("cover") {
-                    first_img = im;
-                    break;
-                }
-            }
-            (
-                first_img.to_str().unwrap().to_owned(),
-                first_img.file_name().unwrap().to_str().unwrap().to_owned(),
-            )
-        };
-
-        let note = if self.note.is_empty() {
-            "<p><i>There's no note about this bread.</i></p>"
-        } else {
-            &self.note
-        };
-
-        let thumb_fname = date_slug.clone() + "." + Path::new(&img_path).extension().unwrap().to_str().unwrap();
-        let thumb_path = config.thumbs_path.join(&thumb_fname);
-        let thumb_relpath = thumb_path.strip_prefix(&config.web_path)?;
-
-        let image_path_encoded =
-            utf8_percent_encode(thumb_relpath.to_str().unwrap(), DEFAULT_ENCODE_SET).to_string();
-
-        let image_real_path = config.web_path.join(img_path);
-
-        // Create the thumb
-        {
-            let mut img_file = fs::File::open(&image_real_path)?;
-            let mut hasher = Blake2b::new();
-            io::copy(&mut img_file, &mut hasher)?;
-            let hash = base64::encode(&hasher.result());
-
-            let hash_key = thumb_path.to_str().unwrap();
-            let old_hash = config.image_hashes.get(hash_key);
-            if old_hash.is_none() || !old_hash.unwrap().eq(&hash) {
-                println!("building thumb...");
-
-                let im = image::open(&image_real_path)?;
-                let im = im.thumbnail(500, 500);
-                im.save(&thumb_path)?;
-
-                config.image_hashes.put(hash_key.to_string(), hash);
-            }
-        }
-
-        // Prepare the thumb card for the gallery page
-        {
-            self.rendered.thumb = config
-                .template("_thumb.html")?
-                .replace("{detail_url}", &detail_file)
-                .replace("{img_src}", &image_path_encoded)
-                .replace("{img_alt}", &img_alt)
-                .replace("{title}", &date);
-        }
-
-        // Add to RSS
-        {
-            let image_url: String = config.base_url.to_owned() + "/" + &image_path_encoded;
-
-            let link: String = config.base_url.to_owned() + "/" + &detail_file;
-            let mut guid = Guid::default();
-            guid.set_value(link.clone());
-            guid.set_permalink(true);
-
-            let date_formatted: Date<Utc> = chrono::Utc.from_local_date(&self.date).unwrap();
-            let dt = date_formatted.and_hms(12, 0, 0);
-
-            let mut descr = String::new();
-            if !self.rss_note.is_empty() {
-                descr.push_str(&self.rss_note);
-                descr.push_str("<hr>");
-            }
-            descr.push_str(note);
-            descr.push_str(&format!(
-                "<img src=\"{}\" alt=\"{}\"><p><i>Open the link for full-res photos ({} total)</i>",
-                image_url,
-                img_alt,
-                self.images.len()
-            ));
-
-            self.rendered.url = link.clone();
-
-            let item: rss::Item = ItemBuilder::default()
-                .title(date.clone())
-                .link(link)
-                .description(descr)
-                .guid(guid)
-                .pub_date(dt.to_rfc2822())
-                .build().unwrap();
-
-            self.rendered.rss_item = Some(item);
-        }
-
-        let head_tpl = config.template("_head.html")?;
-
-        // Generate the detail page
-        {
-            let win_title = format!("Bread from {}", date);
-
-            let detail = config
-                .template("detail.html")?
-                .replace("{head}", &head_tpl.replace("{title}", &win_title))
-                .replace("{title}", &win_title)
-                .replace("{date}", &date_slug)
-                .replace("{url}", &format!("{}/{}", config.base_url, detail_file))
-                .replace(
-                    "{thumb_url}",
-                    &format!("{}/thumbs/{}", config.base_url, thumb_fname),
-                )
-                .replace("{heading}", &date)
-                .replace("{prev}", &(match prev {
-                    Some(b) => format!("<a class=\"prev\" href=\"{}\" title=\"{}\">&lt;</a>", b.url, b.label),
-                    None => "".to_string()
-                }))
-                .replace("{next}", &(match next {
-                    Some(b) => format!("<a class=\"next\" href=\"{}\" title=\"{}\">&gt;</a>", b.url, b.label),
-                    None => "".to_string()
-                }))
-                .replace("{note}", note.trim());
-
-            let mut pics = String::new();
-            for img in &self.images {
-                pics.push_str(&format!(
-                    "      <a href=\"{src}\"><img src=\"{src}\"></a>\n",
-                    src = &utf8_percent_encode(img.to_str().unwrap(), DEFAULT_ENCODE_SET).to_string()
-                ))
-            }
-
-            let detail = detail.replace("{images}", &pics.trim());
-
-            let mut f = OpenOptions::new().write(true).truncate(true).create(true).open(config.web_path.join(detail_file)).unwrap();
-            f.write(detail.as_bytes()).unwrap();
-
-            self.rendered.detail = detail;
-        }
-
-        Ok(())
-    }
-
-    fn to_link(&self) -> BreadLink {
-        BreadLink {
-            label: self.date.format("%Y/%m/%d").to_string(),
-            url: self.date.format("%Y-%m-%d.html").to_string(),
-        }
-    }
-
-    fn parse(base_dir: &PathBuf, bread_dir: &DirEntry) -> Result<Bread, std::io::Error> {
-        let bpath = bread_dir.path();
-        let mut note = String::new();
-        let mut rss_note = String::new();
-
-        let mut note_path = bpath.join("note.txt");
-        let mut rss_note_path = bpath.join("rss.txt");
-
-        // try a md one as a fallback
-        if !note_path.exists() {
-            note_path = bpath.join("note.md");
-        }
-
-        if !rss_note_path.exists() {
-            rss_note_path = bpath.join("rss.md");
-        }
-
-        if note_path.exists() {
-            let mut note_file = File::open(note_path)?;
-            note_file.read_to_string(&mut note)?;
-            note = markdown::to_html(&note);
-        }
-
-        if rss_note_path.exists() {
-            let mut note_file = File::open(rss_note_path)?;
-            note_file.read_to_string(&mut rss_note)?;
-            rss_note = markdown::to_html(&rss_note);
-        }
-
-        let mut bread_files: Vec<DirEntry> = fs::read_dir(&bpath)?.map(|e| e.unwrap()).collect();
-        bread_files.sort_by(|x, y| x.file_name().cmp(&y.file_name()));
-
-        let images = bread_files
-            .iter()
-            .filter(|&f| {
-                let fname = f.file_name();
-                let name = fname.to_str().unwrap();
-                return name.ends_with(".png")
-                    || name.ends_with(".jpg")
-                    || name.ends_with(".jpeg")
-                    || name.ends_with(".gif");
-            })
-            .map(|x| x.path().strip_prefix(base_dir).unwrap().to_path_buf())
-            .collect();
-
-        return Ok(Bread {
-            date: NaiveDate::parse_from_str(
-                bpath.file_name().unwrap().to_str().unwrap(),
-                "%Y-%m-%d",
-            )
-            .unwrap(),
-            rel_path: bpath.strip_prefix(base_dir).unwrap().to_path_buf(),
-            path: bpath,
-            note,
-            rss_note,
-            images,
-            rendered: BreadRendered {
-                thumb: "".to_string(),
-                detail: "".to_string(),
-                rss_item: None,
-                title: "".to_string(),
-                url: "".to_string(),
-                detail_fname: "".to_string()
-            },
-        });
-    }
-}
-
-struct GalleryConfig {
+mod logging;
+mod bread;
+use bread::Bread;
+use crate::hash_dict::HashDict;
+use chrono::Datelike;
+use itertools::Itertools;
+
+#[derive(Serialize, Deserialize, Debug, SmartDefault, Clone)]
+#[serde(default)]
+pub struct AppConfig {
+    #[default = "info"]
+    logging: String,
+    #[default = "https://www.ondrovo.com/bread"]
+    web_url : String,
+}
+
+pub struct GalleryInfo {
     web_path: PathBuf,
     data_path: PathBuf,
     tpl_path: PathBuf,
@@ -293,9 +43,12 @@ struct GalleryConfig {
     base_url: String,
     templates: HashMap<String, String>,
     image_hashes: hash_dict::HashDict,
+    latest_year: i32,
+    oldest_year: i32,
 }
 
-impl GalleryConfig {
+impl GalleryInfo {
+    /// Read a named template from file, reusing from cache if possible
     fn template(&mut self, name: &str) -> Fallible<String> {
         if let Some(text) = self.templates.get(name) {
             return Ok(text.clone());
@@ -308,34 +61,78 @@ impl GalleryConfig {
     }
 }
 
+const CONFIG_FILE: &str = "breadgen.json";
+
 fn main() -> Fallible<()> {
+    let version = clap::crate_version!();
+    let clap =
+        clap::App::new("Flowbox RT")
+            .version(version)
+            .arg(
+                clap::Arg::with_name("config")
+                    .short("c")
+                    .long("config")
+                    .value_name("FILE")
+                    .help("Sets a custom config file (default: breadgen.json)")
+                    .takes_value(true),
+            );
+
+    let clap = logging::add_clap_args(clap);
+    let argv = clap.get_matches();
+
+    /* Load config */
+    let appcfg = {
+        let confile = argv.value_of("config")
+            .unwrap_or(CONFIG_FILE);
+
+        println!("Bread gallery builder {}\nrun with -h for help", version);
+        println!("config file: {}", confile);
+
+        let buf = read_file(confile)
+            .unwrap_or("{}".to_string());
+
+        let config: AppConfig = serde_json::from_str(&buf)?;
+
+        let _ = logging::init(&config.logging, &argv, None);
+        config
+    };
 
-    let mut config = {
-        let cwd = env::current_dir().unwrap();
+    let mut ginfo = {
+        let cwd = env::current_dir()?;
         let web_path = cwd.join("web");
         let data_path = web_path.join("data");
         let tpl_path = web_path.join("templates");
         let thumbs_path = web_path.join("thumbs");
 
-        GalleryConfig {
+        GalleryInfo {
             web_path,
             data_path,
             tpl_path,
             thumbs_path,
-            base_url: "https://www.ondrovo.com/bread".into(),
+            base_url: appcfg.web_url.clone(),
             templates: HashMap::new(),
-            image_hashes: hash_dict::HashDict::load(cwd.join(".hashes.txt"))?,
+            image_hashes: HashDict::load(cwd.join(".hashes.txt"))?,
+            latest_year: 0,
+            oldest_year: 0,
         }
     };
 
-    let mut bread_dirs: Vec<DirEntry> = fs::read_dir(&config.data_path)?.filter_map(|e| e.ok()).collect();
-    bread_dirs.sort_by(|x, y| x.file_name().cmp(&y.file_name()));
+    let mut bread_dirs: Vec<DirEntry> = fs::read_dir(&ginfo.data_path)?
+        .filter_map(Result::ok)
+        .collect();
+
+    bread_dirs.sort_by(|x, y| {
+        x.file_name().cmp(&y.file_name())
+    });
 
     let mut breads: Vec<Bread> = bread_dirs
         .iter()
-        .filter_map(|p| Bread::parse(&config.web_path, &p).ok())
+        .filter_map(|p| Bread::parse(&ginfo.web_path, &p).ok())
         .collect();
 
+    ginfo.latest_year = breads.last().unwrap().date.year();
+    ginfo.oldest_year = breads.first().unwrap().date.year();
+
     for i in 0..breads.len() {
         let preceding = if i <= 0 { None } else {
             match breads.get(i - 1) {
@@ -351,32 +148,34 @@ fn main() -> Fallible<()> {
 
         let cur = breads.get_mut(i).unwrap();
 
-        cur.compile(&mut config, preceding, following)?;
+        cur.compile(&mut ginfo, preceding, following)?;
     }
 
-    let mut channel: Channel = ChannelBuilder::default()
+    let mut channel: rss::Channel = rss::ChannelBuilder::default()
         .title("Piggo's Bread Gallery")
         .link("https://www.ondrovo.com/bread")
         .description("Sourdough feed")
         .build()
         .unwrap();
 
-    config.image_hashes.save();
-
-    let mut start = breads.len() as i32 - 10;
-    if start < 0 {
-        start = 0;
-    }
+    ginfo.image_hashes.save();
 
     // rss
     {
+        let start = (breads.len() as i32 - 10).max(0) as usize;
         let mut channel_items = vec![];
-        for b in &breads[start as usize..] {
-            channel_items.push(b.rendered.rss_item.clone().unwrap());
+        for b in &mut breads[start..] {
+            channel_items.push(b.rendered.rss_item.take().unwrap());
         }
 
-        println!("Generating feed...");
-        let f = OpenOptions::new().write(true).truncate(true).create(true).open(config.web_path.join("feed.xml")).unwrap();
+        info!("Generating feed...");
+        let f = OpenOptions::new()
+            .write(true)
+            .truncate(true)
+            .create(true)
+            .open(ginfo.web_path.join("feed.xml"))
+            .unwrap();
+
         channel.set_items(channel_items);
         channel.pretty_write_to(f, b' ', 2).unwrap();
     }
@@ -386,18 +185,68 @@ fn main() -> Fallible<()> {
         // make thumbs go from the newest to the oldest
         breads.reverse();
 
+        let oldest = ginfo.oldest_year;
+        let latest = ginfo.latest_year;
+        let base_url = ginfo.base_url.clone();
+        let year_pager = |year| {
+            let mut buf = String::new();
+            for y in oldest..=latest {
+                if year == y {
+                    buf.push_str(&format!("    <li class=\"active\"><a href=\"#\">{y}</a>\n", y=y));
+                } else {
+                    if y == latest {
+                        buf.push_str(&format!("    <li><a href=\"{u}/index.html\">{y}</a>\n", u=base_url, y=y));
+                    } else {
+                        buf.push_str(&format!("    <li><a href=\"{u}/{y}.html\">{y}</a>\n", u=base_url, y=y));
+                    }
+                }
+            }
+            buf
+        };
+
+        for (year, year_breads) in &breads.iter().group_by(|b| b.date.year()) {
             let mut thumbs_buf = String::new();
-        for b in &breads {
+            for b in year_breads {
                 thumbs_buf.push_str(&b.rendered.thumb);
             }
 
-        println!("Building the gallery page");
-        let main = config.template("index.html")?.replace("{breads}", &thumbs_buf.trim())
-            .replace("{head}", config.template("_head.html")?.replace("{title}", "Piggo's breads").trim());
+            info!("Building the gallery page");
+
+            let head = ginfo.template("_head.html")?
+                .replace("{title}", "Piggo's breads");
+
+            let main = ginfo.template("index.html")?
+                .replace("{breads}", thumbs_buf.trim())
+                .replace("{year_pager}", year_pager(year).trim())
+                .replace("{head}", head.trim());
+
+            let fname = if year == ginfo.latest_year {
+                "index.html".to_string()
+            } else {
+                format!("{}.html", year)
+            };
+
+            let mut f = OpenOptions::new()
+                .write(true)
+                .truncate(true)
+                .create(true)
+                .open(ginfo.web_path.join(fname))
+                .unwrap();
 
-        let mut f = OpenOptions::new().write(true).truncate(true).create(true).open(config.web_path.join("index.html")).unwrap();
             f.write(main.as_bytes()).unwrap();
         }
 
+
+    }
+
     Ok(())
 }
+
+pub fn read_file<P: AsRef<Path>>(path: P) -> io::Result<String> {
+    let path = path.as_ref();
+    let mut file = File::open(path)?;
+
+    let mut buf = String::new();
+    file.read_to_string(&mut buf)?;
+    Ok(buf)
+}

web/assets/style.css

@@ -100,3 +100,44 @@ a {
   padding: 0 1em;
   
 }
+
+#YearPager {
+	font-size: 120%;
+	list-style: none;
+	display: block;
+	text-align: center;
+	padding: 0;
+}
+
+#YearPager li {
+	display: inline-block;
+	margin: 0;
+	padding: 0;
+	background: #333;
+	border: 1px solid #999;
+	border-right-width: 0;
+}
+
+#YearPager a {
+	display: inline-block;
+	padding: .5rem .8rem;
+}
+
+#YearPager li:hover {
+	background: #444;
+}
+
+#YearPager li.active {
+	font-weight: bold;
+}
+
+#YearPager li:last-child {
+	border-right-width: 1px;
+	border-top-right-radius: 7px;
+	border-bottom-right-radius: 7px;
+}
+
+#YearPager li:first-child {
+	border-top-left-radius: 7px;
+	border-bottom-left-radius: 7px;
+}

web/templates/detail.html

@@ -25,18 +25,16 @@
     <meta itemprop="image" content="{thumb_url}">
 </head>
 <body>
-<h1>{prev}<a href="index.html">{heading}</a>{next}</h1>
+<h1>{prev}<a href="{gallery_url}">{heading}</a>{next}</h1>
 
   <section class="BreadDetail">
-    <div class="note">
     {note}
-    </div>
 
     <div class="images">
       {images}
     </div>
   </section>
 
-  <p id="crumb"><a href="index.html">Back to bread gallery</a></p>
+  <p id="crumb"><a href="{gallery_url}">Back to bread gallery</a></p>
 </body>
 </html>

web/templates/index.html

@@ -8,6 +8,10 @@
 
   <p id="crumb">Like and <a href="feed.xml">subscribe</a></p>
 
+  <ul id="YearPager">
+    {year_pager}
+  </ul>
+
   <div class="MainGallery">
     {breads}
   </div>