From 1b5a3a59c0da8452589e9a40938430ace755d477 Mon Sep 17 00:00:00 2001
From: spikecodes <19519553+spikecodes@users.noreply.github.com>
Date: Sun, 25 Oct 2020 19:55:00 -0700
Subject: [PATCH] Add Markdown Table Support

---
 Cargo.lock       | 280 +++++------------------------------------------
 Cargo.toml       |   2 +-
 src/main.rs      |   1 -
 src/popular.rs   |   1 -
 src/post.rs      |  20 +++-
 src/subreddit.rs |   1 -
 src/user.rs      |   1 -
 static/style.css |  12 ++
 8 files changed, 58 insertions(+), 260 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 4e05831..de8e823 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -97,7 +97,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_urlencoded",
- "sha-1 0.9.1",
+ "sha-1",
  "slab",
  "time 0.2.22",
 ]
@@ -305,15 +305,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "ansi_term"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "arc-swap"
 version = "0.4.7"
@@ -374,17 +365,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "atty"
-version = "0.2.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
-dependencies = [
- "hermit-abi",
- "libc",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -446,34 +426,13 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
-[[package]]
-name = "block-buffer"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
-dependencies = [
- "block-padding",
- "byte-tools",
- "byteorder",
- "generic-array 0.12.3",
-]
-
 [[package]]
 name = "block-buffer"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
 dependencies = [
- "generic-array 0.14.4",
-]
-
-[[package]]
-name = "block-padding"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-dependencies = [
- "byte-tools",
+ "generic-array",
 ]
 
 [[package]]
@@ -511,12 +470,6 @@ version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
-[[package]]
-name = "byte-tools"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
 [[package]]
 name = "byteorder"
 version = "1.3.4"
@@ -569,21 +522,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "clap"
-version = "2.33.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37e58ac78573c40708d45522f0d80fa2f01cc4f9b4e2bf749807255454312002"
-dependencies = [
- "ansi_term",
- "atty",
- "bitflags",
- "strsim",
- "textwrap",
- "unicode-width",
- "vec_map",
-]
-
 [[package]]
 name = "cloudabi"
 version = "0.1.0"
@@ -593,25 +531,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "comrak"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d325e4f2ffff52ca77d995bb675494d5364aa332499d5f7c7fbb28c25e671f6"
-dependencies = [
- "clap",
- "entities",
- "lazy_static",
- "pest",
- "pest_derive",
- "regex",
- "shell-words",
- "twoway",
- "typed-arena",
- "unicode_categories",
- "xdg",
-]
-
 [[package]]
 name = "const_fn"
 version = "0.4.2"
@@ -677,22 +596,13 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "digest"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array 0.12.3",
-]
-
 [[package]]
 name = "digest"
 version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
 dependencies = [
- "generic-array 0.14.4",
+ "generic-array",
 ]
 
 [[package]]
@@ -722,12 +632,6 @@ dependencies = [
  "cfg-if 0.1.10",
 ]
 
-[[package]]
-name = "entities"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5320ae4c3782150d900b79807611a59a99fc9a1d61d686faafc24b93fc8d7ca"
-
 [[package]]
 name = "enum-as-inner"
 version = "0.3.3"
@@ -740,12 +644,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "fake-simd"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-
 [[package]]
 name = "flate2"
 version = "1.0.18"
@@ -887,15 +785,6 @@ dependencies = [
  "byteorder",
 ]
 
-[[package]]
-name = "generic-array"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
-dependencies = [
- "typenum",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.14.4"
@@ -906,6 +795,15 @@ dependencies = [
  "version_check 0.9.2",
 ]
 
+[[package]]
+name = "getopts"
+version = "0.2.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
+dependencies = [
+ "unicode-width",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.1.15"
@@ -1162,7 +1060,7 @@ dependencies = [
  "actix-web",
  "askama",
  "chrono",
- "comrak",
+ "pulldown-cmark",
  "reqwest",
  "serde_json",
 ]
@@ -1200,12 +1098,6 @@ dependencies = [
  "linked-hash-map",
 ]
 
-[[package]]
-name = "maplit"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
-
 [[package]]
 name = "match_cfg"
 version = "0.1.0"
@@ -1382,12 +1274,6 @@ version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
 
-[[package]]
-name = "opaque-debug"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
-
 [[package]]
 name = "opaque-debug"
 version = "0.3.0"
@@ -1459,49 +1345,6 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
-[[package]]
-name = "pest"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
-dependencies = [
- "ucd-trie",
-]
-
-[[package]]
-name = "pest_derive"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "833d1ae558dc601e9a60366421196a8d94bc0ac980476d0b67e1d0988d72b2d0"
-dependencies = [
- "pest",
- "pest_generator",
-]
-
-[[package]]
-name = "pest_generator"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
-dependencies = [
- "pest",
- "pest_meta",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pest_meta"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54be6e404f5317079812fc8f9f5279de376d8856929e21c184ecf6bbd692a11d"
-dependencies = [
- "maplit",
- "pest",
- "sha-1 0.8.2",
-]
-
 [[package]]
 name = "pin-project"
 version = "0.4.27"
@@ -1587,6 +1430,18 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "pulldown-cmark"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffade02495f22453cd593159ea2f59827aae7f53fa8323f756799b670881dcf8"
+dependencies = [
+ "bitflags",
+ "getopts",
+ "memchr",
+ "unicase",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -1839,29 +1694,17 @@ dependencies = [
  "url",
 ]
 
-[[package]]
-name = "sha-1"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
-dependencies = [
- "block-buffer 0.7.3",
- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
 [[package]]
 name = "sha-1"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "170a36ea86c864a3f16dd2687712dd6646f7019f301e57537c7f4dc9f5916770"
 dependencies = [
- "block-buffer 0.9.0",
+ "block-buffer",
  "cfg-if 0.1.10",
  "cpuid-bool",
- "digest 0.9.0",
- "opaque-debug 0.3.0",
+ "digest",
+ "opaque-debug",
 ]
 
 [[package]]
@@ -1870,12 +1713,6 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 
-[[package]]
-name = "shell-words"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6fa3938c99da4914afedd13bf3d79bcb6c277d1b2c398d23257a304d9e1b074"
-
 [[package]]
 name = "signal-hook-registry"
 version = "1.2.1"
@@ -1968,12 +1805,6 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
 
-[[package]]
-name = "strsim"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
-
 [[package]]
 name = "syn"
 version = "1.0.48"
@@ -1999,15 +1830,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "textwrap"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "thiserror"
 version = "1.0.21"
@@ -2254,40 +2076,12 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
-[[package]]
-name = "twoway"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b40075910de3a912adbd80b5d8bad6ad10a23eeb1f5bf9d4006839e899ba5bc"
-dependencies = [
- "memchr",
- "unchecked-index",
-]
-
-[[package]]
-name = "typed-arena"
-version = "1.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
-
 [[package]]
 name = "typenum"
 version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
 
-[[package]]
-name = "ucd-trie"
-version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
-
-[[package]]
-name = "unchecked-index"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeba86d422ce181a719445e51872fa30f1f7413b62becb52e95ec91aa262d85c"
-
 [[package]]
 name = "unicase"
 version = "2.6.0"
@@ -2333,12 +2127,6 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
-[[package]]
-name = "unicode_categories"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
-
 [[package]]
 name = "url"
 version = "2.1.1"
@@ -2388,12 +2176,6 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6454029bf181f092ad1b853286f23e2c507d8e8194d01d92da4a55c274a5508c"
 
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
 [[package]]
 name = "version_check"
 version = "0.1.5"
@@ -2573,9 +2355,3 @@ dependencies = [
  "winapi 0.2.8",
  "winapi-build",
 ]
-
-[[package]]
-name = "xdg"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
diff --git a/Cargo.toml b/Cargo.toml
index 54544ba..c70bb52 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ actix-files = "0.4.0"
 askama = "0.9"
 serde_json = "1.0"
 reqwest = { version = "0.10", features = ["blocking"] }
-comrak = "0.8"
+pulldown-cmark = "0.8.0"
 chrono = "0.4"
 
 [build-dependencies]
diff --git a/src/main.rs b/src/main.rs
index db8bb73..94a3be2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,4 @@
 // Import Crates
-extern crate comrak;
 use actix_files::NamedFile;
 use actix_web::{get, App, HttpServer, HttpResponse, Result};
 
diff --git a/src/popular.rs b/src/popular.rs
index 2789c6b..aba11f8 100644
--- a/src/popular.rs
+++ b/src/popular.rs
@@ -1,5 +1,4 @@
 // CRATES
-extern crate comrak;
 use actix_web::{get, HttpResponse, Result};
 use askama::Template;
 
diff --git a/src/post.rs b/src/post.rs
index f6f13dc..165babf 100644
--- a/src/post.rs
+++ b/src/post.rs
@@ -1,7 +1,7 @@
 // CRATES
 use actix_web::{get, web, HttpResponse, Result};
 use askama::Template;
-use comrak::{markdown_to_html, ComrakOptions};
+use pulldown_cmark::{Parser, Options, html};
 use chrono::{TimeZone, Utc};
 
 // STRUCTS
@@ -83,6 +83,20 @@ async fn media(data: &serde_json::Value) -> String {
 	}
 }
 
+async fn markdown_to_html(md: &str) -> String {
+	let mut options = Options::empty();
+	options.insert(Options::ENABLE_TABLES);
+	options.insert(Options::ENABLE_FOOTNOTES);
+	options.insert(Options::ENABLE_STRIKETHROUGH);
+	options.insert(Options::ENABLE_TASKLISTS);
+	let parser = Parser::new_ext(md, options);
+
+	// Write to String buffer.
+	let mut html_output = String::new();
+	html::push_html(&mut html_output, parser);
+	html_output
+}
+
 // POSTS
 async fn fetch_post (id: &String) -> Post {
 	let url: String = format!("https://reddit.com/{}.json", id);
@@ -98,7 +112,7 @@ async fn fetch_post (id: &String) -> Post {
 	Post {
 		title: val(post_data, "title").await,
 		community: val(post_data, "subreddit").await,
-		body: markdown_to_html(post_data["data"]["selftext"].as_str().unwrap(), &ComrakOptions::default()),
+		body: markdown_to_html(post_data["data"]["selftext"].as_str().unwrap()).await, //markdown_to_html(post_data["data"]["selftext"].as_str().unwrap(), &ComrakOptions::default()),
 		author: val(post_data, "author").await,
 		url: val(post_data, "permalink").await,
 		score: if score>1000 {format!("{}k",score/1000)} else {score.to_string()},
@@ -121,7 +135,7 @@ async fn fetch_comments (id: String, sort: &String) -> Result<Vec<Comment>, Box<
 	for comment in comment_data.iter() {
 		let unix_time: i64 = comment["data"]["created_utc"].as_f64().unwrap_or(0.0).round() as i64;
 		let score = comment["data"]["score"].as_i64().unwrap_or(0);
-		let body = markdown_to_html(comment["data"]["body"].as_str().unwrap_or(""), &ComrakOptions::default());
+		let body = markdown_to_html(comment["data"]["body"].as_str().unwrap_or("")).await;// markdown_to_html(comment["data"]["body"].as_str().unwrap_or(""), &ComrakOptions::default());
 
 		// println!("{}", body);
 
diff --git a/src/subreddit.rs b/src/subreddit.rs
index 7f3f9af..e5f86a4 100644
--- a/src/subreddit.rs
+++ b/src/subreddit.rs
@@ -1,5 +1,4 @@
 // CRATES
-extern crate comrak;
 use actix_web::{get, web, HttpResponse, Result};
 use askama::Template;
 use chrono::{TimeZone, Utc};
diff --git a/src/user.rs b/src/user.rs
index 407e0b6..2d4df57 100644
--- a/src/user.rs
+++ b/src/user.rs
@@ -1,5 +1,4 @@
 // CRATES
-extern crate comrak;
 use actix_web::{get, web, HttpResponse, Result};
 use askama::Template;
 use chrono::{TimeZone, Utc};
diff --git a/static/style.css b/static/style.css
index 5ca516c..dfa0b3e 100644
--- a/static/style.css
+++ b/static/style.css
@@ -299,4 +299,16 @@ span {
 .comment_body a {
 	text-decoration: underline;
 	color: aqua;
+}
+
+/* Tables */
+
+table {
+	border: 3px #333 solid;
+	border-spacing: 0rem;
+}
+
+td, th {
+	border: 1px #333 solid;
+	padding: 0.5em;
 }
\ No newline at end of file