From 944b10f75c87ba5aa60f8645e6877006ba399186 Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:13:54 -0700
Subject: [PATCH 1/7] remove update capability for pastes

don't see a need for it, and can be added back if there's an actual case
to support it
---
 lib/textbin/pastes.ex                         |  6 ---
 .../controllers/apiv1/paste_controller.ex     | 23 -----------
 lib/textbin_web/router.ex                     |  2 +-
 test/textbin/pastes_test.exs                  | 15 --------
 .../apiv1/paste_controller_test.exs           | 38 ++-----------------
 5 files changed, 5 insertions(+), 79 deletions(-)

diff --git a/lib/textbin/pastes.ex b/lib/textbin/pastes.ex
index e9520d7..eaf9fce 100644
--- a/lib/textbin/pastes.ex
+++ b/lib/textbin/pastes.ex
@@ -20,12 +20,6 @@ defmodule Textbin.Pastes do
     |> Repo.insert()
   end
 
-  def update_paste(%Paste{} = paste, attrs) do
-    paste
-    |> Paste.changeset(attrs)
-    |> Repo.update()
-  end
-
   def delete_paste(%Paste{} = paste) do
     Repo.delete(paste)
   end
diff --git a/lib/textbin_web/controllers/apiv1/paste_controller.ex b/lib/textbin_web/controllers/apiv1/paste_controller.ex
index 7752ba8..6f56251 100644
--- a/lib/textbin_web/controllers/apiv1/paste_controller.ex
+++ b/lib/textbin_web/controllers/apiv1/paste_controller.ex
@@ -121,29 +121,6 @@ defmodule TextbinWeb.ApiV1.PasteController do
     render(conn, :show, paste: paste)
   end
 
-  def update(conn, %{"id" => id} = params) do
-    paste = Pastes.get_paste!(id)
-    paste_params = paste_params(params)
-
-    case validate_paste_size(paste_params) do
-      :ok ->
-        case Pastes.update_paste(paste, paste_params) do
-          {:ok, paste} ->
-            render(conn, :show, paste: paste)
-
-          {:error, changeset} ->
-            render_changeset_errors(conn, changeset)
-        end
-
-      {:error, :too_large} ->
-        render_too_large(conn)
-    end
-  end
-
-  defp paste_params(%{"data" => data}) when is_binary(data), do: %{"data" => data}
-  defp paste_params(%{"paste" => %{"data" => data}}) when is_binary(data), do: %{"data" => data}
-  defp paste_params(_params), do: %{"data" => nil}
-
   def delete(conn, %{"id" => id}) do
     paste = Pastes.get_paste!(id)
     {:ok, _paste} = Pastes.delete_paste(paste)
diff --git a/lib/textbin_web/router.ex b/lib/textbin_web/router.ex
index c8d1f0c..020d575 100644
--- a/lib/textbin_web/router.ex
+++ b/lib/textbin_web/router.ex
@@ -31,7 +31,7 @@ defmodule TextbinWeb.Router do
   scope "/api/v1", TextbinWeb.ApiV1 do
     pipe_through :api
 
-    resources "/pastes", PasteController, except: [:new, :edit]
+    resources "/pastes", PasteController, except: [:new, :edit, :update]
   end
 
   # Enable LiveDashboard and Swoosh mailbox preview in development
diff --git a/test/textbin/pastes_test.exs b/test/textbin/pastes_test.exs
index 5b5f48b..aef8074 100644
--- a/test/textbin/pastes_test.exs
+++ b/test/textbin/pastes_test.exs
@@ -6,7 +6,6 @@ defmodule Textbin.PastesTest do
 
   describe "pastes" do
     @valid_attrs %{data: "some data"}
-    @update_attrs %{data: "updated data"}
     @invalid_attrs %{data: nil}
 
     test "list_pastes/0 returns all pastes" do
@@ -36,20 +35,6 @@ defmodule Textbin.PastesTest do
       assert {:error, %Ecto.Changeset{}} = Pastes.create_paste(@invalid_attrs)
     end
 
-    test "update_paste/2 with valid data updates the paste" do
-      {:ok, paste} = Pastes.create_paste(@valid_attrs)
-
-      assert {:ok, %Paste{} = paste} = Pastes.update_paste(paste, @update_attrs)
-      assert paste.data == "updated data"
-    end
-
-    test "update_paste/2 with invalid data returns error changeset" do
-      {:ok, paste} = Pastes.create_paste(@valid_attrs)
-
-      assert {:error, %Ecto.Changeset{}} = Pastes.update_paste(paste, @invalid_attrs)
-      assert Pastes.get_paste!(paste.id).data == paste.data
-    end
-
     test "delete_paste/1 deletes the paste" do
       {:ok, paste} = Pastes.create_paste(@valid_attrs)
 
diff --git a/test/textbin_web/controllers/apiv1/paste_controller_test.exs b/test/textbin_web/controllers/apiv1/paste_controller_test.exs
index d0333f6..9cf0284 100644
--- a/test/textbin_web/controllers/apiv1/paste_controller_test.exs
+++ b/test/textbin_web/controllers/apiv1/paste_controller_test.exs
@@ -5,7 +5,6 @@ defmodule TextbinWeb.ApiV1.PasteControllerTest do
 
   @max_paste_bytes 1_048_576
   @create_attrs %{data: "some data"}
-  @update_attrs %{data: "updated data"}
   @invalid_attrs %{data: nil}
 
   describe "index" do
@@ -118,42 +117,13 @@ defmodule TextbinWeb.ApiV1.PasteControllerTest do
   end
 
   describe "update paste" do
-    test "renders paste when data is valid", %{conn: conn} do
-      {:ok, paste} = Pastes.create_paste(%{data: "some data"})
-
-      conn = patch(conn, ~p"/api/v1/pastes/#{paste.id}", paste: @update_attrs)
-
-      assert %{"id" => id} = json_response(conn, 200)["data"]
-      assert_stored_data(id, "updated data")
-
-      conn = get(conn, ~p"/api/v1/pastes/#{id}")
-
-      assert %{
-               "id" => ^id
-             } = response_data = json_response(conn, 200)["data"]
-
-      refute Map.has_key?(response_data, "data")
-    end
-
-    test "renders errors when data is invalid", %{conn: conn} do
+    test "is not routable", %{conn: conn} do
       {:ok, paste} = Pastes.create_paste(%{data: "some data"})
 
-      conn = patch(conn, ~p"/api/v1/pastes/#{paste.id}", paste: @invalid_attrs)
-
-      assert %{"data" => [_]} = json_response(conn, 422)["errors"]
-    end
-
-    test "rejects data over the configured size limit", %{conn: conn} do
-      {:ok, paste} = Pastes.create_paste(%{data: "some data"})
-      too_large_data = String.duplicate("a", @max_paste_bytes + 1)
+      conn = patch(conn, ~p"/api/v1/pastes/#{paste.id}", paste: %{data: "updated data"})
 
-      conn = patch(conn, ~p"/api/v1/pastes/#{paste.id}", %{data: too_large_data})
-
-      assert %{
-               "errors" => %{
-                 "detail" => "Paste data exceeds the maximum size of 1048576 bytes"
-               }
-             } = json_response(conn, 413)
+      assert response(conn, 404)
+      assert_stored_data(paste.id, "some data")
     end
   end
 

From 373341245b44a079a86f451e624edd796903d6f2 Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:18:49 -0700
Subject: [PATCH 2/7] allow deleting paste from UI

---
 lib/textbin_web/live/ui/paste_live.ex         | 17 ++++++++++++
 .../live/ui/paste_live/detail.html.heex       | 17 +++++++++---
 .../live/ui/paste_live/index.html.heex        | 24 ++++++++++++-----
 test/textbin_web/live/ui/paste_live_test.exs  | 26 +++++++++++++++++++
 4 files changed, 75 insertions(+), 9 deletions(-)

diff --git a/lib/textbin_web/live/ui/paste_live.ex b/lib/textbin_web/live/ui/paste_live.ex
index f707692..a708036 100644
--- a/lib/textbin_web/live/ui/paste_live.ex
+++ b/lib/textbin_web/live/ui/paste_live.ex
@@ -15,6 +15,23 @@ defmodule TextbinWeb.UI.PasteLive do
     {:noreply, assign(socket, :paste, Pastes.get_paste!(id))}
   end
 
+  def handle_event("delete", %{"id" => id}, %{assigns: %{live_action: :index}} = socket) do
+    paste = Pastes.get_paste!(id)
+    {:ok, _paste} = Pastes.delete_paste(paste)
+
+    {:noreply, stream_delete(socket, :pastes, paste)}
+  end
+
+  def handle_event("delete", %{"id" => id}, %{assigns: %{live_action: :show}} = socket) do
+    paste = Pastes.get_paste!(id)
+    {:ok, _paste} = Pastes.delete_paste(paste)
+
+    {:noreply,
+     socket
+     |> put_flash(:info, "Paste deleted")
+     |> push_navigate(to: ~p"/pastes")}
+  end
+
   def render(%{live_action: :show} = assigns), do: detail(assigns)
   def render(assigns), do: index(assigns)
 end
diff --git a/lib/textbin_web/live/ui/paste_live/detail.html.heex b/lib/textbin_web/live/ui/paste_live/detail.html.heex
index 97a6b76..9f0f4ef 100644
--- a/lib/textbin_web/live/ui/paste_live/detail.html.heex
+++ b/lib/textbin_web/live/ui/paste_live/detail.html.heex
@@ -15,9 +15,20 @@
           {Calendar.strftime(@paste.inserted_at, "%Y-%m-%d %H:%M:%S UTC")}
         </time>
       </div>
-      <.link navigate={~p"/pastes"} class="btn btn-sm btn-ghost">
-        Back to pastes
-      </.link>
+      <div class="flex items-center gap-2">
+        <.link navigate={~p"/pastes"} class="btn btn-sm btn-ghost">
+          Back to pastes
+        </.link>
+        <button
+          id={"delete-paste-#{@paste.id}"}
+          type="button"
+          phx-click="delete"
+          phx-value-id={@paste.id}
+          class="btn btn-sm btn-error"
+        >
+          <.icon name="hero-trash" class="size-4" /> Delete
+        </button>
+      </div>
     </div>
 
     <pre
diff --git a/lib/textbin_web/live/ui/paste_live/index.html.heex b/lib/textbin_web/live/ui/paste_live/index.html.heex
index 5486860..59d07ae 100644
--- a/lib/textbin_web/live/ui/paste_live/index.html.heex
+++ b/lib/textbin_web/live/ui/paste_live/index.html.heex
@@ -39,12 +39,24 @@
           >
             {paste.id}
           </.link>
-          <time
-            class="text-xs text-base-content/50"
-            datetime={DateTime.to_iso8601(paste.inserted_at)}
-          >
-            {Calendar.strftime(paste.inserted_at, "%Y-%m-%d %H:%M:%S UTC")}
-          </time>
+          <div class="flex items-center gap-3">
+            <time
+              class="text-xs text-base-content/50"
+              datetime={DateTime.to_iso8601(paste.inserted_at)}
+            >
+              {Calendar.strftime(paste.inserted_at, "%Y-%m-%d %H:%M:%S UTC")}
+            </time>
+            <button
+              id={"delete-paste-#{paste.id}"}
+              type="button"
+              phx-click="delete"
+              phx-value-id={paste.id}
+              class="btn btn-ghost btn-xs text-error hover:bg-error/10"
+              aria-label="Delete paste"
+            >
+              <.icon name="hero-trash" class="size-4" />
+            </button>
+          </div>
         </div>
       </article>
     </div>
diff --git a/test/textbin_web/live/ui/paste_live_test.exs b/test/textbin_web/live/ui/paste_live_test.exs
index 99e4f76..e06154a 100644
--- a/test/textbin_web/live/ui/paste_live_test.exs
+++ b/test/textbin_web/live/ui/paste_live_test.exs
@@ -33,5 +33,31 @@ defmodule TextbinWeb.UI.PasteLiveTest do
     assert has_element?(view, "a[href='/pastes']", "Back to pastes")
   end
 
+  test "deletes a paste from the list", %{conn: conn} do
+    {:ok, paste} = Pastes.create_paste(%{data: "delete from list"})
+
+    {:ok, view, _html} = live(conn, ~p"/pastes")
+
+    view
+    |> element("#delete-paste-#{paste.id}")
+    |> render_click()
+
+    refute has_element?(view, "##{stream_id(paste)}")
+    assert_raise Ecto.NoResultsError, fn -> Pastes.get_paste!(paste.id) end
+  end
+
+  test "deletes a paste from the detail page", %{conn: conn} do
+    {:ok, paste} = Pastes.create_paste(%{data: "delete from detail"})
+
+    {:ok, view, _html} = live(conn, ~p"/pastes/#{paste.id}")
+
+    view
+    |> element("#delete-paste-#{paste.id}")
+    |> render_click()
+
+    assert_redirect(view, ~p"/pastes")
+    assert_raise Ecto.NoResultsError, fn -> Pastes.get_paste!(paste.id) end
+  end
+
   defp stream_id(paste), do: "pastes-#{paste.id}"
 end

From 2f916d8e42638ce7f572f0c04a93bad9645fbcd9 Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:24:24 -0700
Subject: [PATCH 3/7] add confirmation before deletion

---
 lib/textbin_web/live/ui/paste_live/detail.html.heex |  1 +
 lib/textbin_web/live/ui/paste_live/index.html.heex  |  1 +
 test/textbin_web/live/ui/paste_live_test.exs        | 10 ++++++++++
 3 files changed, 12 insertions(+)

diff --git a/lib/textbin_web/live/ui/paste_live/detail.html.heex b/lib/textbin_web/live/ui/paste_live/detail.html.heex
index 9f0f4ef..ac5ed36 100644
--- a/lib/textbin_web/live/ui/paste_live/detail.html.heex
+++ b/lib/textbin_web/live/ui/paste_live/detail.html.heex
@@ -24,6 +24,7 @@
           type="button"
           phx-click="delete"
           phx-value-id={@paste.id}
+          data-confirm="Delete this paste?"
           class="btn btn-sm btn-error"
         >
           <.icon name="hero-trash" class="size-4" /> Delete
diff --git a/lib/textbin_web/live/ui/paste_live/index.html.heex b/lib/textbin_web/live/ui/paste_live/index.html.heex
index 59d07ae..3901b85 100644
--- a/lib/textbin_web/live/ui/paste_live/index.html.heex
+++ b/lib/textbin_web/live/ui/paste_live/index.html.heex
@@ -51,6 +51,7 @@
               type="button"
               phx-click="delete"
               phx-value-id={paste.id}
+              data-confirm="Delete this paste?"
               class="btn btn-ghost btn-xs text-error hover:bg-error/10"
               aria-label="Delete paste"
             >
diff --git a/test/textbin_web/live/ui/paste_live_test.exs b/test/textbin_web/live/ui/paste_live_test.exs
index e06154a..b33b147 100644
--- a/test/textbin_web/live/ui/paste_live_test.exs
+++ b/test/textbin_web/live/ui/paste_live_test.exs
@@ -38,6 +38,11 @@ defmodule TextbinWeb.UI.PasteLiveTest do
 
     {:ok, view, _html} = live(conn, ~p"/pastes")
 
+    assert has_element?(
+             view,
+             "#delete-paste-#{paste.id}[data-confirm='Delete this paste?']"
+           )
+
     view
     |> element("#delete-paste-#{paste.id}")
     |> render_click()
@@ -51,6 +56,11 @@ defmodule TextbinWeb.UI.PasteLiveTest do
 
     {:ok, view, _html} = live(conn, ~p"/pastes/#{paste.id}")
 
+    assert has_element?(
+             view,
+             "#delete-paste-#{paste.id}[data-confirm='Delete this paste?']"
+           )
+
     view
     |> element("#delete-paste-#{paste.id}")
     |> render_click()

From 2cc755682364eecc44287a97e5d25cbe2b9cc7ef Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:26:52 -0700
Subject: [PATCH 4/7] initialize git-cliff config

---
 cliff.toml | 94 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 cliff.toml

diff --git a/cliff.toml b/cliff.toml
new file mode 100644
index 0000000..a18fc20
--- /dev/null
+++ b/cliff.toml
@@ -0,0 +1,94 @@
+# git-cliff ~ configuration file
+# https://git-cliff.org/docs/configuration
+
+
+[changelog]
+# A Tera template to be rendered for each release in the changelog.
+# See https://keats.github.io/tera/docs/#introduction
+body = """
+{% if version %}\
+    ## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }}
+{% else %}\
+    ## [unreleased]
+{% endif %}\
+{% for group, commits in commits | group_by(attribute="group") %}
+    ### {{ group | striptags | trim | upper_first }}
+    {% for commit in commits %}
+        - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\
+            {% if commit.breaking %}[**breaking**] {% endif %}\
+            {{ commit.message | upper_first }}\
+    {% endfor %}
+{% endfor %}
+"""
+# Remove leading and trailing whitespaces from the changelog's body.
+trim = true
+# Render body even when there are no releases to process.
+render_always = true
+# An array of regex based postprocessors to modify the changelog.
+postprocessors = [
+    # Replace the placeholder <REPO> with a URL.
+    #{ pattern = '<REPO>', replace = "https://github.com/orhun/git-cliff" },
+]
+# render body even when there are no releases to process
+# render_always = true
+# output file path
+# output = "test.md"
+
+[git]
+# Parse commits according to the conventional commits specification.
+# See https://www.conventionalcommits.org
+conventional_commits = true
+# Exclude commits that do not match the conventional commits specification.
+filter_unconventional = true
+# Require all commits to be conventional.
+# Takes precedence over filter_unconventional.
+require_conventional = false
+# Split commits on newlines, treating each line as an individual commit.
+split_commits = false
+# An array of regex based parsers to modify commit messages prior to further processing.
+commit_preprocessors = [
+    # Replace issue numbers with link templates to be updated in `changelog.postprocessors`.
+    #{ pattern = '\((\w+\s)?#([0-9]+)\)', replace = "([#${2}](<REPO>/issues/${2}))"},
+    # Check spelling of the commit message using https://github.com/crate-ci/typos.
+    # If the spelling is incorrect, it will be fixed automatically.
+    #{ pattern = '.*', replace_command = 'typos --write-changes -' },
+]
+# Prevent commits that are breaking from being excluded by commit parsers.
+protect_breaking_commits = false
+# An array of regex based parsers for extracting data from the commit message.
+# Assigns commits to groups.
+# Optionally sets the commit's scope and can decide to exclude commits from further processing.
+commit_parsers = [
+    { message = "^feat", group = "<!-- 0 -->🚀 Features" },
+    { message = "^fix", group = "<!-- 1 -->🐛 Bug Fixes" },
+    { message = "^doc", group = "<!-- 3 -->📚 Documentation" },
+    { message = "^perf", group = "<!-- 4 -->⚡ Performance" },
+    { message = "^refactor", group = "<!-- 2 -->🚜 Refactor" },
+    { message = "^style", group = "<!-- 5 -->🎨 Styling" },
+    { message = "^test", group = "<!-- 6 -->🧪 Testing" },
+    { message = "^chore\\(release\\): prepare for", skip = true },
+    { message = "^chore\\(deps.*\\)", skip = true },
+    { message = "^chore\\(pr\\)", skip = true },
+    { message = "^chore\\(pull\\)", skip = true },
+    { message = "^chore|^ci", group = "<!-- 7 -->⚙️ Miscellaneous Tasks" },
+    { body = ".*security", group = "<!-- 8 -->🛡️ Security" },
+    { message = "^revert", group = "<!-- 9 -->◀️ Revert" },
+    { message = ".*", group = "<!-- 10 -->💼 Other" },
+]
+# Exclude commits that are not matched by any commit parser.
+filter_commits = false
+# Fail on a commit that is not matched by any commit parser.
+fail_on_unmatched_commit = false
+# An array of link parsers for extracting external references, and turning them into URLs, using regex.
+link_parsers = []
+# Include only the tags that belong to the current branch.
+use_branch_tags = false
+# Order releases topologically instead of chronologically.
+topo_order = false
+# Order commits topologically instead of chronologically.
+topo_order_commits = true
+# Order of commits in each group/release within the changelog.
+# Allowed values: newest, oldest
+sort_commits = "oldest"
+# Process submodules commits
+recurse_submodules = false

From f934dcd0c981506c68488e96e1745cd385fc26d6 Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:27:31 -0700
Subject: [PATCH 5/7] remove no longer needed golang deps

---
 flake.nix | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/flake.nix b/flake.nix
index ee01003..3192177 100644
--- a/flake.nix
+++ b/flake.nix
@@ -30,19 +30,9 @@
             beam.packages.erlang_28.rebar3
             erlang_28
 
-            # Golang
-            go
-            golangci-lint
-            gotests
-            gomodifytags
-            gore
-            gotools
-            delve
-
             # LSPs
             beamPackages.expert
             erlang-language-platform
-            gopls
 
             # Tools
             watchman
@@ -52,7 +42,6 @@
             shellcheck
             git-cliff
             yaml-language-server
-            goreleaser
             postgresql
           ];
 

From 7672c4598206bb30b65123e98a4f5b8d3270d6bf Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:29:18 -0700
Subject: [PATCH 6/7] add CI job for conventional commits

---
 .github/workflows/commits.yml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 .github/workflows/commits.yml

diff --git a/.github/workflows/commits.yml b/.github/workflows/commits.yml
new file mode 100644
index 0000000..a85e552
--- /dev/null
+++ b/.github/workflows/commits.yml
@@ -0,0 +1,21 @@
+---
+name: Conventional Commits
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, edited]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  validate-pr-title:
+    name: Validate title
+    runs-on: blacksmith-2vcpu-ubuntu-2404
+    steps:
+      - name: PR Conventional Commit Validation
+        uses: ytanikin/pr-conventional-commits@1.5.2
+        with:
+          task_types: >-
+            ["feat","fix","doc","docs","test","ci","refactor","perf","chore","revert","style","security"]

From 6e4c4b008fa31b01c622d7d69b2f83f8a4c9c089 Mon Sep 17 00:00:00 2001
From: Darwin D Wu <darwin67@users.noreply.github.com>
Date: Thu, 9 Jul 2026 00:34:20 -0700
Subject: [PATCH 7/7] bump the otp version

---
 .github/workflows/ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6a1cf8..8f2d282 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ env:
   DATABASE_PORT: 5432
   DATABASE_TEST_NAME: textbin_test
 
-  OTP_VERSION: "28.1"
+  OTP_VERSION: "28.5"
   ELIXIR_VERSION: "1.20"
 
 jobs: