commit 9449d992c0f079249e381f7170f08436f214b2e8
Author: Johannes Heuel <johannes.heuel@cern.ch>
Date:   Sat Jun 25 17:16:13 2022 +0200

    init

diff --git a/.env b/.env
new file mode 100644
index 0000000..d6706b6
--- /dev/null
+++ b/.env
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diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..5c489a8
--- /dev/null
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diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..03b0b98
--- /dev/null
+++ b/Dockerfile
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+
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\ No newline at end of file
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index 0000000..d1387f4
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diff --git a/backend/Cargo.toml b/backend/Cargo.toml
new file mode 100644
index 0000000..39f88a7
--- /dev/null
+++ b/backend/Cargo.toml
@@ -0,0 +1,23 @@
+[package]
+name = "backend"
+version = "0.1.0"
+edition = "2021"
+license = "MIT"
+description = " "
+default-run = "backend"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+actix-web = "4"
+actix-web-lab = "^0"
+actix-files = "0.6"
+env_logger = "0.9.0"
+log = "0.4"
+diesel = { version = "1.4.8", features = ["postgres", "r2d2"] }
+diesel_migrations = "1.4"
+dotenv = "0.15.0"
+walkdir = "2"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+common = { path = "../common" }
\ No newline at end of file
diff --git a/backend/diesel.toml b/backend/diesel.toml
new file mode 100644
index 0000000..92267c8
--- /dev/null
+++ b/backend/diesel.toml
@@ -0,0 +1,5 @@
+# For documentation on how to configure this file,
+# see diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
diff --git a/backend/migrations/00000000000000_diesel_initial_setup/down.sql b/backend/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 0000000..a9f5260
--- /dev/null
+++ b/backend/migrations/00000000000000_diesel_initial_setup/down.sql
@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();
diff --git a/backend/migrations/00000000000000_diesel_initial_setup/up.sql b/backend/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 0000000..d68895b
--- /dev/null
+++ b/backend/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,36 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
diff --git a/backend/migrations/2022-04-12-165834_create_photos/down.sql b/backend/migrations/2022-04-12-165834_create_photos/down.sql
new file mode 100644
index 0000000..33a3a43
--- /dev/null
+++ b/backend/migrations/2022-04-12-165834_create_photos/down.sql
@@ -0,0 +1 @@
+DROP TABLE pictures
\ No newline at end of file
diff --git a/backend/migrations/2022-04-12-165834_create_photos/up.sql b/backend/migrations/2022-04-12-165834_create_photos/up.sql
new file mode 100644
index 0000000..d6843f3
--- /dev/null
+++ b/backend/migrations/2022-04-12-165834_create_photos/up.sql
@@ -0,0 +1,18 @@
+CREATE TABLE pictures (
+  id SERIAL PRIMARY KEY,
+  filepath VARCHAR NOT NULL,
+  created_at INTEGER,
+  focal_length VARCHAR,
+  shutter_speed VARCHAR,
+  width INTEGER NOT NULL,
+  height INTEGER NOT NULL,
+  make VARCHAR,
+  model VARCHAR,
+  lens VARCHAR,
+  orientation VARCHAR,
+  fnumber FLOAT,
+  iso INTEGER,
+  exposure_program VARCHAR,
+  exposure_compensation VARCHAR,
+  thumbnail VARCHAR
+)
\ No newline at end of file
diff --git a/backend/src/actions.rs b/backend/src/actions.rs
new file mode 100644
index 0000000..0576e8c
--- /dev/null
+++ b/backend/src/actions.rs
@@ -0,0 +1,16 @@
+extern crate diesel;
+
+use backend::models::*;
+use diesel::prelude::*;
+use backend::*;
+
+type DbError = Box<dyn std::error::Error + Send + Sync>;
+
+pub fn list_pictures(conn: &PgConnection) -> Result<Vec<Picture>, DbError> {
+    use self::schema::pictures::dsl::*;
+    
+    Ok(pictures
+        .limit(50)
+        .order_by(created_at.desc())
+        .load::<Picture>(conn)?)
+}
\ No newline at end of file
diff --git a/backend/src/bin/add_picture.rs b/backend/src/bin/add_picture.rs
new file mode 100644
index 0000000..492e7a8
--- /dev/null
+++ b/backend/src/bin/add_picture.rs
@@ -0,0 +1,238 @@
+extern crate diesel;
+use backend::create_picture;
+use backend::models::NewPicture;
+use backend::establish_connection;
+
+// use backend::*;
+use std::ffi::OsStr;
+use std::path::Path;
+use std::time::UNIX_EPOCH;
+use std::{fs, process::Command};
+use walkdir::{DirEntry, WalkDir};
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize)]
+struct PhotoExif {
+    #[serde(default, alias = "FocalLength")]
+    focal_length: Option<String>,
+    #[serde(default, alias = "ShutterSpeed")]
+    shutter_speed: Option<String>,
+    #[serde(alias = "ImageWidth")]
+    width: i32,
+    #[serde(alias = "ImageHeight")]
+    height: i32,
+    #[serde(default, alias = "Make")]
+    make: Option<String>,
+    #[serde(default, alias = "Model")]
+    model: Option<String>,
+    #[serde(default, alias = "LensID")]
+    lens: Option<String>,
+    #[serde(default, alias = "Orientation")]
+    orientation: Option<String>,
+    #[serde(default, alias = "FNumber")]
+    fnumber: Option<f64>,
+    #[serde(default, alias = "ExposureProgram")]
+    exposure_program: Option<String>,
+    #[serde(default, alias = "CreateDate")]
+    created_at: Option<i32>,
+    #[serde(default, alias = "ISO")]
+    iso: Option<i32>,
+    #[serde(default = "MaybeString::default", alias = "ExposureCompensation")]
+    exposure_compensation: MaybeString,
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(untagged)]
+enum MaybeString {
+    Number(i32),
+    Str(String),
+    None,
+}
+
+impl MaybeString {
+    fn default() -> MaybeString {
+        MaybeString::None
+    }
+    fn to_opt_string(&self) -> Option<String> {
+        if let MaybeString::Str(exp_comp) = &self {
+            Some(exp_comp.clone())
+        } else {
+            None
+        }
+    }
+}
+
+fn is_hidden(entry: &DirEntry) -> bool {
+    entry
+        .file_name()
+        .to_str()
+        .map(|s| s.starts_with('.'))
+        .unwrap_or(false)
+}
+
+fn is_image(entry: &DirEntry) -> bool {
+    let allowed_extensions = ["cr2", "cr3", "jpg", "jpeg"];
+
+    let extension = if let Some(ext) = entry.path().extension() {
+        ext
+    } else {
+        OsStr::new("")
+    };
+
+    if allowed_extensions
+        .iter()
+        .all(|&v| v != extension.to_ascii_lowercase())
+    {
+        return false;
+    }
+    true
+}
+
+static PICTURE_PATH: &str = "./pictures";
+static LIBRARY_PATH: &str = "./examples";
+
+fn main() {
+    let connection = establish_connection();
+
+    WalkDir::new(LIBRARY_PATH)
+        .into_iter()
+        .filter_map(Result::ok)
+        .filter(|e| !e.file_type().is_dir())
+        .filter(|e| !is_hidden(e))
+        .filter(is_image)
+        .into_iter()
+        .for_each(|path| {
+            let thumbnail = if let Ok(t) = extract_preview(path.path()) {
+                t
+            } else {
+                println!("Could not create thumbnail");
+                return;
+            };
+            let thumbnail = std::path::PathBuf::from(thumbnail.strip_prefix(PICTURE_PATH).unwrap());
+
+            let output = Command::new("exiftool")
+                .arg("-j")
+                .arg("-d")
+                .arg("%s")
+                .arg(path.path())
+                .output()
+                .expect("failed to execute exiftool");
+            let pel: Vec<PhotoExif> = serde_json::from_slice(&output.stdout).unwrap();
+            let pe = &pel[0];
+
+            println!("pe = {}", serde_json::to_string_pretty(pe).unwrap());
+
+
+            let created_at: Option<i32> = if let Some(c) = pe.created_at {
+                Some(c)
+            } else {
+                let metadata = fs::metadata(&path.path()).unwrap();
+                if let Ok(time) = metadata.created() {
+                    Some(time.duration_since(UNIX_EPOCH)
+                        .unwrap()
+                        .as_secs()
+                        .try_into()
+                        .unwrap())
+                } else {
+                    println!("Not supported on this platform or filesystem");
+                    None
+                }
+            };
+
+            let filepath = path.path().to_string_lossy().into_owned();
+
+            let new_picture = NewPicture {
+                filepath: filepath.clone(),
+                created_at: created_at.clone(),
+                focal_length: pe.focal_length.clone(),
+                shutter_speed: pe.shutter_speed.clone(),
+                width: pe.width,
+                height: pe.height,
+                make: pe.make.clone(),
+                model: pe.model.clone(),
+                lens: pe.lens.clone(),
+                orientation: pe.orientation.clone(),
+                fnumber: pe.fnumber,
+                iso: pe.iso,
+                exposure_program: pe.exposure_program.clone(),
+                exposure_compensation: pe.exposure_compensation.to_opt_string(),
+                thumbnail: Some(thumbnail.into_os_string().into_string().unwrap()),
+            };
+
+            let pic = create_picture(&connection, new_picture);
+            println!(
+                "Created picture with filepath={} and id={}",
+                filepath, pic
+            );
+        });
+}
+
+fn extract_preview(path: &Path) -> Result<std::path::PathBuf, Box<dyn std::error::Error>> {
+    let file_name = if let Some(p) = path.file_name() {
+        p
+    } else {
+        OsStr::new("")
+    };
+    let parent = if let Some(p) = path.parent() {
+        p
+    } else {
+        Path::new(LIBRARY_PATH)
+    };
+    let relative_parent = parent
+        .strip_prefix(LIBRARY_PATH)
+        .expect("Could not remove prefix");
+
+    let thumb_path = Path::new(PICTURE_PATH).join(relative_parent);
+
+    if !thumb_path.exists() {
+        fs::create_dir_all(&thumb_path).unwrap_or_else(|e| {
+            panic!("Could not create directory {}: {}", thumb_path.display(), e)
+        });
+    }
+
+    let mut thumbnail = thumb_path.join(file_name);
+    thumbnail.set_extension("jpg");
+
+    let extension = path.extension().unwrap();
+    let jpegs = ["jpg", "jpeg"];
+    if jpegs.iter().any(|&x| x == extension.to_ascii_lowercase()) {
+        match fs::copy(path, &thumbnail) {
+            Ok(_it) => return Ok(thumbnail),
+            Err(err) => return Err(err.into()),
+        };
+    }
+    let _output_thumb = Command::new("exiftool")
+        .arg("-if")
+        .arg("$jpgfromraw")
+        .arg("-b")
+        .arg("-jpgfromraw")
+        .arg("-w")
+        .arg(thumb_path.join("%f.jpg"))
+        .arg("-execute")
+        .arg("-if")
+        .arg("$previewimage")
+        .arg("-b")
+        .arg("-previewimage")
+        .arg("-w")
+        .arg(thumb_path.join("%f.jpg"))
+        .arg("-execute")
+        .arg("-tagsfromfile")
+        .arg("@")
+        .arg("-srcfile")
+        .arg(thumb_path.join("%f.jpg"))
+        .arg("-overwrite_original")
+        .arg("-common_args")
+        .arg("--ext")
+        .arg("jpg")
+        .arg(path)
+        .output()
+        .expect("failed to execute exiftool to extract thumbnail");
+    // println!("{:?}", _output_thumb);
+
+    if thumbnail.exists() {
+        Ok(thumbnail)
+    } else {
+        Err("Could not create thumbnail".into())
+    }
+}
diff --git a/backend/src/bin/show_pictures.rs b/backend/src/bin/show_pictures.rs
new file mode 100644
index 0000000..4585629
--- /dev/null
+++ b/backend/src/bin/show_pictures.rs
@@ -0,0 +1,21 @@
+extern crate diesel;
+
+use self::models::*;
+use diesel::prelude::*;
+use backend::*;
+
+fn main() {
+    use self::schema::pictures::dsl::*;
+
+    let connection = establish_connection();
+    let results = pictures
+        .limit(5)
+        .load::<Picture>(&connection)
+        .expect("Error loading pictures");
+
+    println!("Displaying {} pictures", results.len());
+    for picture in results {
+        println!("filepath: {}", picture.filepath);
+        println!("\tid: {}", picture.id);
+    }
+}
\ No newline at end of file
diff --git a/backend/src/lib.rs b/backend/src/lib.rs
new file mode 100644
index 0000000..bea57a7
--- /dev/null
+++ b/backend/src/lib.rs
@@ -0,0 +1,30 @@
+#[macro_use]
+extern crate diesel;
+extern crate dotenv;
+
+pub mod models;
+pub mod schema;
+
+use self::models::{NewPicture};
+use diesel::prelude::*;
+use diesel::pg::PgConnection;
+use dotenv::dotenv;
+use std::env;
+
+pub fn establish_connection() -> PgConnection {
+    dotenv().ok();
+
+    let database_url = env::var("DATABASE_URL")
+        .expect("DATABASE_URL must be set");
+    PgConnection::establish(&database_url)
+        .unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
+}
+
+pub fn create_picture<'a>(conn: &PgConnection, new_picture: NewPicture) -> usize {
+    use schema::pictures;
+
+    diesel::insert_into(pictures::table)
+    .values(&new_picture)
+    .execute(conn)
+    .expect("Error saving new picture")
+}
\ No newline at end of file
diff --git a/backend/src/main.rs b/backend/src/main.rs
new file mode 100644
index 0000000..b6e9fac
--- /dev/null
+++ b/backend/src/main.rs
@@ -0,0 +1,132 @@
+#[macro_use]
+extern crate diesel;
+
+#[macro_use]
+extern crate diesel_migrations;
+
+use actix_files as fs;
+use actix_web::{Responder, Result};
+use actix_web_lab::web::spa;
+use backend::establish_connection;
+use actix_web::{
+    // get, middleware, post, web, App, Error, HttpRequest, HttpResponse, HttpServer,
+    get,
+    middleware,
+    web,
+    App,
+    HttpServer,
+};
+use diesel::prelude::*;
+use diesel::r2d2::{self, ConnectionManager};
+
+// use uuid::Uuid;
+
+mod actions;
+mod models;
+mod schema;
+
+use common::OutputPicture;
+
+type DbPool = r2d2::Pool<ConnectionManager<PgConnection>>;
+
+// type DbError = Box<dyn std::error::Error + Send + Sync>;
+
+#[get("/api/pictures/")]
+async fn get_pictures(pool: web::Data<DbPool>) -> Result<impl Responder> {
+    let conn = pool.get().unwrap();
+    let pics = if let Ok(p) = actions::list_pictures(&conn) {
+        p
+    } else {
+        vec![]
+    };
+
+    let pics: Vec<OutputPicture> = pics
+        .iter()
+        .map(|x| OutputPicture {
+            thumbnail: x.thumbnail.clone(),
+            width: x.width.try_into().unwrap(),
+            height: x.height.try_into().unwrap(),
+        })
+        .collect();
+
+    Ok(web::Json(pics))
+}
+
+embed_migrations!("migrations");
+
+#[actix_web::main]
+async fn main() -> std::io::Result<()> {
+    dotenv::dotenv().ok();
+    env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
+
+    let connection = establish_connection();
+
+    // // This will run the necessary migrations.
+    // embedded_migrations::run(&connection).expect("Could not migrate database.");
+
+    // By default the output is thrown out. If you want to redirect it to stdout, you
+    // should call embedded_migrations::run_with_output.
+    embedded_migrations::run_with_output(&connection, &mut std::io::stdout())
+        .expect("Could not migrate database.");
+
+    // set up database connection pool
+    let conn_spec = std::env::var("DATABASE_URL").expect("DATABASE_URL");
+    let manager = ConnectionManager::<PgConnection>::new(conn_spec);
+    let pool = r2d2::Pool::builder()
+        .build(manager)
+        .expect("Failed to create pool.");
+
+    let host = "0.0.0.0";
+    let port = 8081;
+    log::info!("starting HTTP server at http://{}:{}", host, port);
+
+    // Start HTTP server
+    HttpServer::new(move || {
+        App::new()
+            // set up DB pool to be used with web::Data<Pool> extractor
+            .app_data(web::Data::new(pool.clone()))
+            .wrap(middleware::Logger::default())
+            .service(get_pictures)
+            .service(fs::Files::new("/api/pictures/", "./pictures/"))
+            .service(
+                spa()
+                    .index_file("./dist/index.html")
+                    .static_resources_mount("/")
+                    .static_resources_location("./dist")
+                    .finish(),
+            )
+        // .service(fs::Files::new("/", STATIC_FILES_PATH).index_file("index.html"))
+        // .service(get_user)
+        // .service(add_user)
+    })
+    .bind((host, port))?
+    .run()
+    .await
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use actix_web::test;
+
+    #[actix_web::test]
+    async fn user_routes() {
+        std::env::set_var("RUST_LOG", "actix_web=debug");
+        env_logger::init();
+        dotenv::dotenv().ok();
+
+        let connspec = std::env::var("DATABASE_URL").expect("DATABASE_URL");
+        let manager = ConnectionManager::<PgConnection>::new(connspec);
+        let pool = r2d2::Pool::builder()
+            .build(manager)
+            .expect("Failed to create pool.");
+
+        let _app = test::init_service(
+            App::new()
+                .app_data(web::Data::new(pool.clone()))
+                .wrap(middleware::Logger::default()), // .service(get_user)
+                                                      // .service(add_user),
+        )
+        .await;
+    }
+}
diff --git a/backend/src/models.rs b/backend/src/models.rs
new file mode 100644
index 0000000..3270cd5
--- /dev/null
+++ b/backend/src/models.rs
@@ -0,0 +1,43 @@
+use serde::Serialize;
+
+use super::schema::pictures;
+
+#[derive(Queryable, Serialize)]
+pub struct Picture {
+    pub id: i32,
+    pub filepath: String,
+    pub created_at: Option<i32>,
+    pub focal_length: Option<String>,
+    pub shutter_speed: Option<String>,
+    pub width: i32,
+    pub height: i32,
+    pub make: Option<String>,
+    pub model: Option<String>,
+    pub lens: Option<String>,
+    pub orientation: Option<String>,
+    pub fnumber: Option<f64>,
+    pub iso: Option<i32>,
+    pub exposure_program: Option<String>,
+    pub exposure_compensation: Option<String>,
+    pub thumbnail: Option<String>,
+}
+
+#[derive(Insertable)]
+#[table_name = "pictures"]
+pub struct NewPicture {
+    pub filepath: String,
+    pub created_at: Option<i32>,
+    pub focal_length: Option<String>,
+    pub shutter_speed: Option<String>,
+    pub width: i32,
+    pub height: i32,
+    pub make: Option<String>,
+    pub model: Option<String>,
+    pub lens: Option<String>,
+    pub orientation: Option<String>,
+    pub fnumber: Option<f64>,
+    pub iso: Option<i32>,
+    pub exposure_program: Option<String>,
+    pub exposure_compensation: Option<String>,
+    pub thumbnail: Option<String>,
+}
diff --git a/backend/src/schema.rs b/backend/src/schema.rs
new file mode 100644
index 0000000..1e6b093
--- /dev/null
+++ b/backend/src/schema.rs
@@ -0,0 +1,20 @@
+table! {
+    pictures (id) {
+        id -> Int4,
+        filepath -> Varchar,
+        created_at -> Nullable<Int4>,
+        focal_length -> Nullable<Varchar>,
+        shutter_speed -> Nullable<Varchar>,
+        width -> Int4,
+        height -> Int4,
+        make -> Nullable<Varchar>,
+        model -> Nullable<Varchar>,
+        lens -> Nullable<Varchar>,
+        orientation -> Nullable<Varchar>,
+        fnumber -> Nullable<Float8>,
+        iso -> Nullable<Int4>,
+        exposure_program -> Nullable<Varchar>,
+        exposure_compensation -> Nullable<Varchar>,
+        thumbnail -> Nullable<Varchar>,
+    }
+}
diff --git a/common/Cargo.toml b/common/Cargo.toml
new file mode 100644
index 0000000..7764851
--- /dev/null
+++ b/common/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "common"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
\ No newline at end of file
diff --git a/common/src/lib.rs b/common/src/lib.rs
new file mode 100644
index 0000000..7aed4ac
--- /dev/null
+++ b/common/src/lib.rs
@@ -0,0 +1,8 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize,Deserialize)]
+pub struct OutputPicture {
+    pub thumbnail: Option<String>,
+    pub width: u32,
+    pub height: u32,
+}
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..201debd
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,26 @@
+version: '3.1'
+
+services:
+
+  db:
+    image: postgres
+    #restart: always
+    ports:
+      - 5432:5432
+    environment:
+      POSTGRES_USER: user
+      POSTGRES_PASSWORD: password
+
+  adminer:
+    image: adminer
+    #restart: always
+    ports:
+      - 3000:8080
+
+  # photos:
+  #   build: .
+  #   environment:
+  #     - DATABASE_URL="postgres://user:password@db/diesel_demo"
+  #   ports:
+  #     - 8081:8081
+    
diff --git a/frontend/.gitignore b/frontend/.gitignore
new file mode 100644
index 0000000..849ddff
--- /dev/null
+++ b/frontend/.gitignore
@@ -0,0 +1 @@
+dist/
diff --git a/frontend/Cargo.lock b/frontend/Cargo.lock
new file mode 100644
index 0000000..7a37e27
--- /dev/null
+++ b/frontend/Cargo.lock
@@ -0,0 +1,711 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
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+
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diff --git a/frontend/Cargo.toml b/frontend/Cargo.toml
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index 0000000..b402c19
--- /dev/null
+++ b/frontend/Cargo.toml
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diff --git a/frontend/Trunk.toml b/frontend/Trunk.toml
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index 0000000..96566cf
--- /dev/null
+++ b/frontend/Trunk.toml
@@ -0,0 +1,7 @@
+[build]
+target = "index.html"
+dist = "dist"
+port = 3000
+
+[[proxy]]
+backend = "http://localhost:8081/api"
diff --git a/frontend/index.html b/frontend/index.html
new file mode 100644
index 0000000..95464b1
--- /dev/null
+++ b/frontend/index.html
@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8"/>
+    <meta name="viewport" content="width=device-width, initial-scale=1"/>
+    <title>Trunk | Yew | YBC</title>
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.3/css/bulma.min.css"/>
+
+    <link data-trunk rel="scss" href="src/index.scss"/>
+    <link data-trunk rel="scss" data-inline href="src/inline-scss.scss"/>
+    <link data-trunk rel="css" href="src/app.css"/>
+    <link data-trunk rel="icon" href="src/yew.svg"/>
+    <link data-trunk rel="copy-file" href="src/yew.svg"/>
+    <base data-trunk-public-url/>
+</head>
+<body>
+    <link data-trunk rel="rust" href="Cargo.toml" data-wasm-opt="z" data-bin="yew-example" data-cargo-features="demo-abc,demo-xyz"/>
+</body>
+</html>
diff --git a/frontend/src/app.css b/frontend/src/app.css
new file mode 100644
index 0000000..208d16d
--- /dev/null
+++ b/frontend/src/app.css
@@ -0,0 +1 @@
+body {}
diff --git a/frontend/src/index.scss b/frontend/src/index.scss
new file mode 100644
index 0000000..35a1942
--- /dev/null
+++ b/frontend/src/index.scss
@@ -0,0 +1,3 @@
+@charset "utf-8";
+
+html {}
diff --git a/frontend/src/inline-scss.scss b/frontend/src/inline-scss.scss
new file mode 100644
index 0000000..42a7591
--- /dev/null
+++ b/frontend/src/inline-scss.scss
@@ -0,0 +1,4 @@
+.trunk_yew_example_fancy_green {
+  $nice_color: green;
+  background-color: $nice_color;
+}
diff --git a/frontend/src/main.rs b/frontend/src/main.rs
new file mode 100644
index 0000000..0ea9542
--- /dev/null
+++ b/frontend/src/main.rs
@@ -0,0 +1,196 @@
+#![recursion_limit = "1024"]
+
+#[global_allocator]
+static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+
+use common::OutputPicture;
+use console_error_panic_hook::set_once as set_panic_hook;
+use wasm_bindgen::prelude::*;
+use ybc::TileCtx::{Ancestor, Child, Parent};
+use yew::prelude::*;
+// use pathfinding::directed::dijkstra;
+use yew::format::Json;
+use yew::format::Nothing;
+
+use yew::services::fetch::FetchService;
+use yew::services::ConsoleService;
+use yew::services::fetch::FetchTask;
+use yew::services::fetch::Request;
+use yew::services::fetch::Response;
+
+pub enum Msg {
+    GetPictures,
+    ReceiveResponse(Result<Vec<OutputPicture>, anyhow::Error>),
+}
+
+struct App {
+    pictures: Option<Vec<OutputPicture>>,
+    fetch_task: Option<FetchTask>,
+    link: ComponentLink<Self>,
+    error: Option<String>,
+}
+
+impl App {
+    fn view_fetching(&self) -> Html {
+        if self.fetch_task.is_some() {
+            html! { <p>{ "Fetching data..." }</p> }
+        } else {
+            html! { <p></p> }
+        }
+    }
+    fn view_error(&self) -> Html {
+        if let Some(ref error) = self.error {
+            html! { <p>{ error.clone() }</p> }
+        } else {
+            html! {}
+        }
+    }
+}
+
+impl Component for App {
+    type Message = Msg;
+    type Properties = ();
+
+    fn create(_: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self {
+            fetch_task: None,
+            link,
+            pictures: None,
+            error: None,
+        }
+    }
+
+    fn update(&mut self, msg: Self::Message) -> bool {
+        match msg {
+            Msg::GetPictures => {
+                let request = Request::get("http://localhost/api/pictures/")
+                    .body(Nothing)
+                    .expect("Could not build that request");
+                let callback =
+                    self.link
+                        .callback(|response: Response<Json<Result<Vec<OutputPicture>, anyhow::Error>>>| {
+                            let Json(data) = response.into_body();
+                            Msg::ReceiveResponse(data)
+                        });
+                let task = FetchService::fetch(request, callback).expect("failed to start request");
+                self.fetch_task = Some(task);
+                true
+            }
+            Msg::ReceiveResponse(response) => {
+                match response {
+                    Ok(pictures) => {
+                        self.pictures = Some(pictures);
+                    }
+                    Err(error) => {
+                        self.error = Some(error.to_string());
+                    }
+                }
+                self.fetch_task = None;
+                true
+            }
+        }
+    }
+
+    fn change(&mut self, _: Self::Properties) -> bool {
+        false
+    }
+
+    fn view(&self) -> Html {
+        html! {
+            <>
+            <ybc::Navbar
+                classes=classes!("is-success")
+                padded=true
+                navbrand=html!{
+                    <ybc::NavbarItem>
+                        <ybc::Title classes=classes!("has-text-white") size=ybc::HeaderSize::Is4>{"Trunk | Yew | YBC"}</ybc::Title>
+                    </ybc::NavbarItem>
+                }
+                navstart=html!{}
+                navend=html!{
+                    <>
+                    <ybc::NavbarItem>
+                        <ybc::ButtonAnchor classes=classes!("is-black", "is-outlined") rel=String::from("noopener noreferrer") target=String::from("_blank") href="https://github.com/thedodd/trunk">
+                            {"Trunk"}
+                        </ybc::ButtonAnchor>
+                    </ybc::NavbarItem>
+                    <ybc::NavbarItem>
+                        <ybc::ButtonAnchor classes=classes!("is-black", "is-outlined") rel=String::from("noopener noreferrer") target=String::from("_blank") href="https://yew.rs">
+                            {"Yew"}
+                        </ybc::ButtonAnchor>
+                    </ybc::NavbarItem>
+                    <ybc::NavbarItem>
+                        <ybc::ButtonAnchor classes=classes!("is-black", "is-outlined") rel=String::from("noopener noreferrer") target=String::from("_blank") href="https://github.com/thedodd/ybc">
+                            {"YBC"}
+                        </ybc::ButtonAnchor>
+                    </ybc::NavbarItem>
+                    </>
+                }
+            />
+
+            <ybc::Hero
+                classes=classes!("is-light")
+                size=ybc::HeroSize::FullheightWithNavbar
+                body=html!{
+                    <ybc::Container classes=classes!("is-centered")>
+                    <ybc::Tile ctx=Ancestor>
+                    <>
+                    <button onclick=self.link.callback(|_| Msg::GetPictures)>
+                         { "Load pictures" }
+                     </button>
+                { self.view_fetching() }
+                { self.view_error() }
+            </>
+                        <ybc::Tile ctx=Parent size=ybc::TileSize::Twelve>
+                            <ybc::Tile ctx=Parent>
+                                <ybc::Tile ctx=Child classes=classes!("notification", "is-success")>
+                                    <ybc::Subtitle size=ybc::HeaderSize::Is3 classes=classes!("has-text-white")>{"Trunk"}</ybc::Subtitle>
+                                    <p>{"Trunk is a WASM web application bundler for Rust."}</p>
+                                </ybc::Tile>
+                            </ybc::Tile>
+                            <ybc::Tile ctx=Parent>
+                                <ybc::Tile ctx=Child classes=classes!("notification", "is-success")>
+                                    <ybc::Icon size=ybc::Size::Large classes=classes!("is-pulled-right")><img src="yew.svg"/></ybc::Icon>
+                                    <ybc::Subtitle size=ybc::HeaderSize::Is3 classes=classes!("has-text-white")>
+                                        {"Yew"}
+                                    </ybc::Subtitle>
+                                    <p>{"Yew is a modern Rust framework for creating multi-threaded front-end web apps with WebAssembly."}</p>
+                                </ybc::Tile>
+                            </ybc::Tile>
+                            <ybc::Tile ctx=Parent>
+                                <ybc::Tile ctx=Child classes=classes!("notification", "is-success")>
+                                    <ybc::Subtitle size=ybc::HeaderSize::Is3 classes=classes!("has-text-white")>{"YBC"}</ybc::Subtitle>
+                                    <p>{"A Yew component library based on the Bulma CSS framework."}</p>
+                                </ybc::Tile>
+                            </ybc::Tile>
+                        </ybc::Tile>
+                    </ybc::Tile>
+                    </ybc::Container>
+                }>
+            </ybc::Hero>
+            </>
+        }
+    }
+}
+
+#[wasm_bindgen(inline_js = "export function snippetTest() { console.log('Hello from JS FFI!'); }")]
+extern "C" {
+    fn snippetTest();
+}
+
+fn main() {
+    set_panic_hook();
+    snippetTest();
+
+    // Show off some feature flag enabling patterns.
+    #[cfg(feature = "demo-abc")]
+    {
+        ConsoleService::log("feature `demo-abc` enabled");
+    }
+    #[cfg(feature = "demo-xyz")]
+    {
+        ConsoleService::log("feature `demo-xyz` enabled");
+    }
+
+    yew::start_app::<App>();
+}
diff --git a/frontend/src/yew.svg b/frontend/src/yew.svg
new file mode 100644
index 0000000..3082a4c
--- /dev/null
+++ b/frontend/src/yew.svg
@@ -0,0 +1,7 @@
+<svg width="75" height="82" viewBox="0 0 75 82" fill="none" xmlns="http://www.w3.org/2000/svg">
+<circle cx="38" cy="40" r="25" fill="#FFEFB8"/>
+<path d="M38.2373 41.0339L14 14" stroke="#444444" stroke-width="6" stroke-linecap="round"/>
+<path d="M38.2373 41.0339L62.4746 14" stroke="#444444" stroke-width="6" stroke-linecap="round"/>
+<path d="M38.2373 41.0339L38.2373 69" stroke="#444444" stroke-width="6" stroke-linecap="round"/>
+<circle cx="38" cy="41" r="7" fill="#FFD707" stroke="#444444" stroke-width="4"/>
+</svg>
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..bcf2929
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello world!")
+}
\ No newline at end of file