From 3cafc7054dbbefdd2204d57efa5c480385ca9837 Mon Sep 17 00:00:00 2001
From: Erika Rowland <accounts@erikarowland.com>
Date: Sun, 31 Mar 2024 11:43:38 -0700
Subject: [PATCH] [ring] Add index page at root path

---
 gleam.toml            |  1 +
 manifest.toml         |  4 +++-
 src/ring/router.gleam | 27 ++++++++++++++++++++++++++-
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/gleam.toml b/gleam.toml
index f1178a5..2526a3f 100644
--- a/gleam.toml
+++ b/gleam.toml
@@ -10,6 +10,7 @@ mist = "~> 0.14"
 gleam_http = "~> 3.5"
 wisp = "~> 0.14"
 sqlight = "~> 0.9"
+lustre = "~> 4.1"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
diff --git a/manifest.toml b/manifest.toml
index 6526abb..2cc8915 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -14,6 +14,7 @@ packages = [
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
   { name = "glisten", version = "0.11.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_otp", "gleam_stdlib"], otp_app = "glisten", source = "hex", outer_checksum = "73BC09C8487C2FFC0963BFAB33ED2F0D636FDFA43B966E65C1251CBAB8458099" },
   { name = "logging", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "logging", source = "hex", outer_checksum = "82C112ED9B6C30C1772A6FE2613B94B13F62EA35F5869A2630D13948D297BD39" },
+  { name = "lustre", version = "4.1.1", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], otp_app = "lustre", source = "hex", outer_checksum = "09530DF24E7E540CA59AB2486909B52EEA5C39AE1A41EBC640AD04E5418FD67A" },
   { name = "marceau", version = "1.1.0", build_tools = ["gleam"], requirements = [], otp_app = "marceau", source = "hex", outer_checksum = "1AAD727A30BE0F95562C3403BB9B27C823797AD90037714255EEBF617B1CDA81" },
   { name = "mist", version = "0.17.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_http", "gleam_otp", "gleam_stdlib", "glisten"], otp_app = "mist", source = "hex", outer_checksum = "DA8ACEE52C1E4892A75181B3166A4876D8CBC69D555E4770250BC84C80F75524" },
   { name = "simplifile", version = "1.6.1", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "B75D3C64E526D9D7EDEED5F3BA31DAAF5F2B4D80A4183FE17FDB02ED526E4E96" },
@@ -27,6 +28,7 @@ gleam_erlang = { version = "~> 0.23" }
 gleam_http = { version = "~> 3.5" }
 gleam_stdlib = { version = "~> 0.30" }
 gleeunit = { version = "~> 1.0" }
+lustre = { version = "~> 4.1"}
 mist = { version = "~> 0.14" }
-sqlight = { version = "~> 0.9"}
+sqlight = { version = "~> 0.9" }
 wisp = { version = "~> 0.14" }
diff --git a/src/ring/router.gleam b/src/ring/router.gleam
index c09f14b..02bef49 100644
--- a/src/ring/router.gleam
+++ b/src/ring/router.gleam
@@ -2,9 +2,14 @@ import wisp.{type Request, type Response}
 import gleam/string_builder
 import gleam/http.{Get}
 import gleam/io
+import gleam/list
+import gleam/result
 import gleam/dynamic
 import ring/web
 import sqlight
+import lustre/attribute
+import lustre/element/html
+import lustre/element
 
 pub fn handle_request(req: Request) -> Response {
   use req <- web.middleware(req)
@@ -77,8 +82,28 @@ fn home_page(req: Request) -> Response {
   // The home page can only be accessed via GET requests, so this middleware is
   // used to return a 405: Method Not Allowed response for all other methods.
   use <- wisp.require_method(req, Get)
+  let db_path = "members.db"
+  use conn <- sqlight.with_connection(db_path)
+  let members =
+    sqlight.query(
+      "select member from ring",
+      on: conn,
+      with: [],
+      expecting: dynamic.decode1(Row, dynamic.element(0, dynamic.string)),
+    )
+  let members =
+    result.unwrap(members, [])
+    |> list.map(fn(row) {
+      let Row(member) = row
+      html.li([], [html.a([attribute.href(member)], [html.text(member)])])
+    })
+  let html =
+    html.body([], [
+      html.h1([], [html.text("The Constellation Webring")]),
+      html.ul([], members),
+    ])
+    |> element.to_document_string_builder()
 
-  let html = string_builder.from_string("Hello, Joe!")
   wisp.ok()
   |> wisp.html_body(html)
 }