blog post thumbnails

_posts/blog/2022-02-20-weekly-07-2022.md

@@ -5,6 +5,7 @@ segments:
   - blog
 published: true
 date: 2022-02-20T17:50:56.214Z
+thumbnail: /images/uploads/laptopbattery.jpg
 tags:
   - News
   - Weekly

_posts/blog/2022-04-26-devbreak-2-stories-and-impressions-hack-kosice.md

@@ -5,6 +5,7 @@ segments:
   - broadcasts
 published: true
 date: 2022-04-26T20:22:21.191Z
+thumbnail: /images/uploads/deeevbreak2.jpeg
 tags:
   - DevBreak
 ---

_posts/blog/2022-06-09-devbreak-3-full-stack-development.md

@@ -5,6 +5,7 @@ segments:
   - broadcasts
 published: true
 date: 2022-06-09T20:22:21.191Z
+thumbnail: /images/uploads/deevbreakdoninik.jpeg
 tags:
   - DevBreak
 ---

_posts/blog/2022-06-26-our-attempt-at-rusty-game-jam-weekly-25-2022.md

@@ -1,16 +1,17 @@
 ---
-layout: blog
-title: "Our attempt at Rusty game jam - Weekly #25-2022"
 segments:
   - blog
   - featured
+notes: ""
+layout: blog
+title: "Our attempt at Rusty game jam - Weekly #25-2022"
 published: true
 date: 2022-06-26T20:02:47.419Z
+thumbnail: /images/uploads/screenshot-from-2022-06-26-22-37-16.png
 tags:
   - News
   - Weekly
   - Development
-notes: ""
 ---
 Long time no see!
 

_posts/blog/2022-11-27-lovely-london-trip.md

@@ -5,6 +5,7 @@ segments:
   - blog
 published: true
 date: 2022-11-27T19:49:09.204Z
+thumbnail: /images/uploads/image_7115.jpg
 tags:
   - News
   - Travel

_posts/blog/2023-01-21-devbreak-4-state-of-js-2022.md

@@ -5,6 +5,7 @@ segments:
   - broadcasts
 published: true
 date: 2023-01-21T20:22:21.191Z
+thumbnail: /images/uploads/devbreak-4-3-.png
 tags:
   - DevBreak
 ---

_posts/blog/2023-02-04-devbreak-5-joys-and-concerns-of-engineering-manager.md

@@ -5,6 +5,7 @@ segments:
   - broadcasts
 published: true
 date: 2023-02-04T20:22:21.191Z
+thumbnail: /images/uploads/devbreak.jpeg
 tags:
   - DevBreak
 ---

_posts/blog/2023-04-27-keyboards-ergonomics-of-21st-century.md

@@ -6,6 +6,7 @@ segments:
   - featured
 published: true
 date: 2023-04-27T21:22:21.191Z
+thumbnail: /images/uploads/teta.png
 tags:
   - Presentation
   - Keyboards

_posts/blog/2023-06-24-letter-for-daniel.md

@@ -5,6 +5,7 @@ segments:
   - blog
 published: true
 date: 2023-06-24T16:34:45.527Z
+thumbnail: /images/uploads/img_9715-rotated.jpg
 tags:
   - News
   - Personal

_posts/blog/2023-08-29-i-built-my-3rd-custom-keyboard.md

@@ -6,6 +6,7 @@ segments:
   - featured
 published: true
 date: 2023-08-29T19:34:17.071Z
+thumbnail: /images/uploads/20230226_130037.jpg
 tags:
   - News
   - Keyboards

axum_server/.zellij/dev-layout.kdl

@@ -14,6 +14,10 @@ layout {
 		pane {
             command "just"
             args "tailwind"
+        }
+		pane {
+            command "just"
+            args "decap_server"
         }
 	}
     pane size=2 borderless=true {

axum_server/Cargo.toml

@@ -30,3 +30,6 @@ opt-level = 1
 lto = "thin"
 panic = "unwind"
 strip = false
+
+[profile.dev.package.askama_derive]
+opt-level = 3

axum_server/src/blog_posts/blog_post_model.rs

@@ -7,7 +7,6 @@ pub const BLOG_POST_PATH: &str = "../_posts/blog";
 
 #[derive(Deserialize, Debug)]
 pub struct BlogPostMetadata {
-    pub layout: String,
     pub title: String,
     pub segments: Vec<String>,
     pub published: bool,

axum_server/src/blog_posts/featured_blog_posts.rs

@@ -5,12 +5,11 @@ use crate::post_utils::{post_listing::get_post_list, post_parser::ParseResult};
 use super::blog_post_model::{BlogPostMetadata, BLOG_POST_PATH};
 
 pub async fn get_featured_blog_posts() -> Result<Vec<ParseResult<BlogPostMetadata>>, StatusCode> {
-    let post_list = get_post_list::<BlogPostMetadata>(BLOG_POST_PATH).await?;
+    let mut post_list = get_post_list::<BlogPostMetadata>(BLOG_POST_PATH).await?;
+    post_list.retain(|post| post.metadata.segments.contains(&"featured".to_string()));
+    post_list.retain(|post| post.metadata.published);
+    post_list.sort_by_key(|post| post.metadata.date);
+    post_list.reverse();
 
-    let featured_posts = post_list
-        .into_iter()
-        .filter(|post| post.metadata.segments.contains(&"featured".to_string()))
-        .collect();
-
-    Ok(featured_posts)
+    Ok(post_list)
 }

axum_server/src/main.rs

@@ -8,6 +8,7 @@ mod components;
 mod feed;
 mod filters;
 mod pages;
+mod picture_generator;
 mod post_utils;
 mod projects;
 mod router;

axum_server/src/pages/blog_post_list.rs

@@ -30,6 +30,7 @@ pub async fn render_blog_post_list(
     let site_footer = render_site_footer().await?;
     let mut post_list = get_post_list::<BlogPostMetadata>(BLOG_POST_PATH).await?;
     post_list.sort_by_key(|post| post.metadata.date);
+    post_list.retain(|post| post.metadata.published);
     post_list.reverse();
 
     let posts = match &tag {

axum_server/src/picture_generator/mod.rs

@@ -0,0 +1,24 @@
+/*!
+This is going to be an attempt for creating HTML markup for serving and generating images
+for the most common PIXEL_DENSITIES.
+It should create `<picture>` elements with following features:
+
+- least amount of needed arguments
+- for each pixel density it should have a definition in `srcset`
+- create a `avif` type for the image for each pixel_density
+- create an image in the original format for each pixel_density
+- support case of `svg` therefore not doing any of the pixel_density logic
+
+These features might be considered later:
+- support case for art direction (different pictures for different screen sizes)
+
+
+TODO: figure wether `height` or `width` have to be known ahead of time
+
+## Usage
+
+It can be used from the rust code
+It should be used from the templates as well
+*/
+
+pub mod picture_markup_generator;

axum_server/src/picture_generator/picture_markup_generator.rs

@@ -0,0 +1,101 @@
+use std::path::Path;
+
+
+pub const PIXEL_DENSITIES: [f64; 5] = [1., 1.5, 2., 3., 4.];
+
+#[derive(Debug, PartialEq)]
+pub enum ExportFormat {
+    JPG,
+    AVIF,
+    SVG,
+    PNG,
+}
+
+pub fn generate_picture_markup(orig_img_path: &str, width: u32, height: u32) -> String {
+    let exported_formats = get_export_formats(&orig_img_path);
+
+    for export_format in exported_formats {
+
+        // TODO get original img resolution and determine how many exports are going to be needed
+        // let orig_img_resolution = 
+        // let resolutions = get_resolutions(width, height);
+
+        let resolutions = vec![(300, 200), (450, 300), (600, 400), (900, 600), (1200, 800)];
+        let generated_paths = get_generated_paths(orig_img_path, resolutions);
+        
+    }
+    let result = format!("<picture></picture>");
+    result
+}
+
+fn get_generated_paths(orig_img_path: &str, &resolutions: Vec<(i32, i32)>) -> Vec<String> {
+    
+}
+
+#[test]
+fn test_get_generated_paths {
+    let orig_img_path = "./images/uploads/img_name.jpg";
+    let resolutions = vec![(300, 200), (450, 300), (600, 400), (900, 600), (1200, 800)];
+    assert_eq!(get_generated_paths(orig_img_path,&resolutions), vec![])
+}
+
+
+// TODO get original img resolution and determine how many exports are going to be needed
+fn get_resolutions(orig_width: i32, orig_height: i32, width: i32, height: i32) -> Vec<(i32, i32)> {
+    todo!("get original img resolution and determine how many exports are going to be needed")
+}
+
+fn generate_srcset(new_path: &str, width: u32, height: u32) -> &str {
+    todo!("generate srcset")
+}
+
+fn get_export_formats(orig_img_path: &str) -> Vec<ExportFormat> {
+    let path = Path::new(&orig_img_path).extension().and_then(|ext| ext.to_str());
+
+    match path {
+        Some("jpg" | "jpeg") => vec![ExportFormat::AVIF, ExportFormat::JPG]
+        Some("png") => vec![ExportFormat::AVIF, ExportFormat::PNG]
+        Some(_) | None => vec![]
+    }
+}
+
+#[test]
+fn test_get_export_formats {
+    assert_eq!(get_export_formats("./images/uploads/img_name.jpg"), vec![ExportFormat::AVIF, ExportFormat::JPG])
+}
+#[test]
+fn test_generate_srcset() {
+    let width = 400;
+    let height = 200;
+    let orig_img_path = "./images/uploads/img_name.jpg";
+    let result = "./generated_images/images/uploads/img_name_400x200.avif 1x, ./generated_images/images/uploads/img_name_500x300.avif 1.5x, ./generated_images/images/uploads/img_name_800x400.avif 2x, ./generated_images/images/uploads/img_name_1200x600.avif 3x, ./generated_images/images/uploads/img_name_1600x800.avif 4x";
+    assert_eq!(generate_srcset(orig_img_path, width, height), result)
+}
+
+#[test]
+fn test_generate_picture_markup() {
+    let width = 300;
+    let height = 200;
+    let orig_img_path = "./images/uploads/img_name.jpg";
+    let result = r#"""
+        <picture>
+            <source
+                srcset="./generated_images/images/uploads/img_name_300x200.avif 1x, ./generated_images/images/uploads/img_name_450x300.avif 1.5x, ./generated_images/images/uploads/img_name_600x400.avif 2x, ./generated_images/images/uploads/img_name_900x600.avif 3x, ./generated_images/images/uploads/img_name_1200x800.avif 4x"
+                type="image/avif"
+            > 
+            <source
+                srcset="./generated_images/images/uploads/img_name_300x200.jpg 1x, ./generated_images/images/uploads/img_name_450x300.jpg 1.5x, ./generated_images/images/uploads/img_name_600x400.jpg 2x, ./generated_images/images/uploads/img_name_900x600.jpg 3x, ./generated_images/images/uploads/img_name_1200x800.jpg 4x"
+                type="image/jpeg"
+            >
+            <img
+                src="./generated_images/images/uploads/img_name_300x200.jpg"
+                width="300"
+                height="200"
+            >
+        </picture>
+    """#;
+    assert_eq!(
+        generate_picture_markup(orig_img_path, width, height),
+        result
+    );
+}

axum_server/src/post_utils/post_listing.rs

@@ -30,11 +30,8 @@ pub async fn get_post_list<'de, Metadata: DeserializeOwned>(
         .unwrap_or_else(|_| "DEV".to_owned())
         .eq("PROD")
     {
-        posts = posts
-            .into_iter()
-            .filter(|post| !post.slug.starts_with("dev"))
-            .collect()
+        posts.retain(|post| !post.slug.starts_with("dev"))
     }
 
-    return Ok(posts);
+    Ok(posts)
 }

axum_server/styles/output.css

@@ -1,5 +1,5 @@
 /*
-! tailwindcss v3.4.7 | MIT License | https://tailwindcss.com
+! tailwindcss v3.4.9 | MIT License | https://tailwindcss.com
 */
 
 /*
@@ -672,10 +672,6 @@ video {
   aspect-ratio: 16 / 9;
 }
 
-.aspect-\[4\/3\] {
-  aspect-ratio: 4/3;
-}
-
 .h-0 {
   height: 0px;
 }
@@ -832,11 +828,6 @@ video {
      object-fit: contain;
 }
 
-.object-cover {
-  -o-object-fit: cover;
-     object-fit: cover;
-}
-
 .p-0 {
   padding: 0px;
 }

axum_server/templates/components/blog_post_preview.html

@@ -1,9 +1,11 @@
 <article class="grid grid-cols-[1fr_2fr] grid-flow-col gap-4">
 	<aside class="row-span-3">
 		<!-- TODO <figure> -->
-	  <svg aria-hidden="true" class="h-12 w-12 fill-blue-950">
-	    <use xlink:href="/svg/icons-sprite.svg#mail" />
-	  </svg>
+		<!-- TODO Thumbnail -->
+	  <!-- <svg aria-hidden="true" class="h-12 w-12 fill-blue-950"> -->
+	    <!-- <use xlink:href="/svg/icons-sprite.svg#mail" /> -->
+	  <!-- </svg> -->
+		<figure>
 	</aside>
 	<header>
 		<h3 class="text-lg font-bold mb-1">{{post.metadata.title}}</h3>

axum_server/templates/index.html

@@ -54,7 +54,7 @@
   <ul class="mx-5">
    {% for post in featured_blog_posts %}
     <li>
-      {% include "components/post_preview.html" %}
+      {% include "components/blog_post_preview.html" %}
       <hr class="border-blue-950 my-5">
     </li>
    {% endfor %}

static/resources/config.yml

@@ -17,7 +17,6 @@ collections:
     create: true # Allow users to create new documents in this collection
     slug: '{{year}}-{{month}}-{{day}}-{{slug}}' # Filename template, e.g., YYYY-MM-DD-title.md
     fields: # The fields for each document, usually in front matter
-      - { label: 'Layout', name: 'layout', widget: 'hidden', default: 'blog' }
       - { label: 'Title', name: 'title', widget: 'string' }
       - label: 'Segments'
         name: 'segments'