add comment search

lib/philomena/comments/elasticsearch.ex

@@ -29,9 +29,6 @@ defmodule Philomena.Comments.Elasticsearch do
     }
   end
 
-  # preload([
-  #   :user, image: :tags
-  # ])
   def as_json(comment) do
     %{
       id: comment.id,

lib/philomena_web/controllers/comment_controller.ex

@@ -4,19 +4,16 @@ defmodule PhilomenaWeb.CommentController do
   alias Philomena.{Comments.Comment, Textile.Renderer}
   import Ecto.Query
 
-  def index(conn, _params) do
+  def index(conn, params) do
     comments =
       Comment.search_records(
         %{
           query: %{
             bool: %{
-              must: [
-                %{range: %{posted_at: %{gt: "now-1w"}}},
-                %{term: %{hidden_from_users: false}}
-              ]
+              must: parse_search(params) ++ [%{term: %{hidden_from_users: false}}]
             }
           },
-          sort: %{posted_at: :desc}
+          sort: parse_sort(params)
         },
         conn.assigns.pagination,
         Comment |> preload([image: [:tags], user: [awards: :badge]])
@@ -31,4 +28,50 @@ defmodule PhilomenaWeb.CommentController do
 
     render(conn, "index.html", comments: comments)
   end
+
+  defp parse_search(%{"comment" => comment_params}) do
+    parse_author(comment_params) ++
+    parse_image_id(comment_params) ++
+    parse_body(comment_params)
+  end
+  defp parse_search(_params), do: [%{match_all: %{}}]
+
+  defp parse_author(%{"author" => author}) when author not in [nil, ""] do
+    case String.contains?(author, ["*", "?"]) do
+      true ->
+        [
+          %{wildcard: %{author: author}},
+          %{term: %{anonymous: false}}
+        ]
+
+      false ->
+        [
+          %{term: %{author: author}},
+          %{term: %{anonymous: false}}
+        ]
+    end
+  end
+  defp parse_author(_params), do: []
+
+  defp parse_image_id(%{"image_id" => image_id}) when image_id not in [nil, ""] do
+    case Integer.parse(image_id) do
+      {image_id, _rest} ->
+        [%{term: %{image_id: image_id}}]
+
+      _error ->
+        []
+    end
+  end
+  defp parse_image_id(_params), do: []
+
+  defp parse_body(%{"body" => body}) when body not in [nil, ""],
+    do: [%{match: %{body: body}}]
+  defp parse_body(_params), do: []
+
+  defp parse_sort(%{"comment" => %{"sf" => sf, "sd" => sd}}) when sf in ["posted_at", "_score"] and sd in ["desc", "asc"] do
+    %{sf => sd}
+  end
+  defp parse_sort(_params) do
+    %{posted_at: :desc}
+  end
 end

lib/philomena_web/templates/comment/index.html.slime

@@ -2,6 +2,31 @@ elixir:
   route = fn p -> Routes.comment_path(@conn, :index, p) end
   pagination = render PhilomenaWeb.PaginationView, "_pagination.html", page: @comments, route: route
 
+.column-layout
+  .column-layout__left
+    .block
+      .block__content
+        h3 Search Comments
+
+        = form_for @conn, Routes.comment_path(@conn, :index), [as: :comment, method: "get", class: "hform"], fn f ->
+          .field = label f, :author, "Author"
+          .field = text_input f, :author, class: "input hform__text", placeholder: "Author (* is wildcard)"
+
+          .field = label f, :image_id, "Image ID"
+          .field = number_input f, :image_id, class: "input hform__text", placeholder: "Image ID"
+
+          .field = label f, :body, "Body"
+          .field = textarea f, :body, class: "input input--wide", placeholder: "Body"
+
+          .field = label f, :sf, "Sort by"
+          .field
+            => select f, :sf, ["Creation Date": "posted_at", "Relevance": "_score"], class: "input"
+            => select f, :sd, ["Descending": "desc", "Ascending": "asc"], class: "input"
+
+          .field
+          = submit "Search", class: "button button--state-primary"
+
+  .column-layout__main
     .block
       .block__header
         = pagination

lib/philomena_web/templates/pagination/_pagination.html.slime

@@ -24,4 +24,4 @@
 
     = if not last_page?(@page) do
       = link("Next ›", to: next_page_path(@page, @route, params))
-      = link("Last »", to: last_page_path(@page, @route, params))
+      /= link("Last »", to: last_page_path(@page, @route, params))