From c716a36c918ced86e9c808642cb6ae56b9dbc22b Mon Sep 17 00:00:00 2001
From: Ritesh Kumar <ritesh@emerald.pink>
Date: Thu, 1 Feb 2024 01:19:56 -0500
Subject: [PATCH] Use polymorphic entities in liveview

It's a little too bespoke to the structure of the gita now, I should
make it more generic so that other texts can easily work with the same
seeding function.
---
 docs/initial_db_helpers.livemd                | 60 +++++++++++++++++--
 lib/vyasa/written.ex                          | 10 ++--
 lib/vyasa/written/chapter.ex                  |  4 +-
 .../live/source_live/chapter/index.ex         |  5 +-
 .../live/source_live/chapter/index.html.heex  | 22 +++++--
 .../live/source_live/chapter/show_verse.ex    |  3 +
 .../source_live/chapter/show_verse.html.heex  | 21 ++++++-
 lib/vyasa_web/live/source_live/show.ex        |  1 +
 lib/vyasa_web/live/source_live/show.html.heex |  5 +-
 9 files changed, 107 insertions(+), 24 deletions(-)

diff --git a/docs/initial_db_helpers.livemd b/docs/initial_db_helpers.livemd
index 85ebbbd0..8de283fe 100644
--- a/docs/initial_db_helpers.livemd
+++ b/docs/initial_db_helpers.livemd
@@ -84,6 +84,7 @@ defmodule G do
       body: chapter["chapter_summary"],
       source_id: source_id
     }
+    |> dbg()
   end
 
   def create_chapter(%{} = chapter, [%{} = _head | _rest] = _verses, source_id) do
@@ -137,7 +138,9 @@ defmodule G do
     Chapter.changeset(
       %Chapter{
         no: chap["chapter_number"],
-        source_id: src_id
+        source_id: src_id,
+        title: chap["name"],
+        body: chap["chapter_summary"]
       },
       %{
         verses: verses
@@ -152,8 +155,10 @@ defmodule G do
         lang: "en",
         body: chap["chapter_summary"],
         target: %{
-          title: chap["name"],
-          translit_title: chap["name_transliterated"]
+          title: chap["name_meaning"],
+          translit_title: chap["name_transliterated"],
+          body: chap["chapter_summary"],
+          body_meant: chap["chapter_summary_hindi"]
         }
       },
       inserted_chap
@@ -246,8 +251,6 @@ defmodule DBHelper do
     DBHelper.insert_chapters(uuid) |> dbg()
   end
 end
-
-alias Vyasa.Written.{Source}
 ```
 
 #### Testing the purging and seeding of the db:
@@ -258,6 +261,53 @@ DBHelper.purge_db()
 DBHelper.seed_db()
 ```
 
+```elixir
+### checking the query functions
+
+alias Vyasa.Written
+alias Vyasa.Repo
+
+R.recompile()
+
+src =
+  Written.list_sources()
+  |> Enum.find(fn src -> src.title == "Gita" end)
+
+# src.id
+
+# Repo.get_by(Chapter, no: 1, source_id: src.id)
+
+# src = Written.get_source_by_title("Gita")
+# foo = src.id
+# # h_v = hd(src.verses)
+# # h_v.translations
+# # foo = src.id
+# chap = Written.get_chapter(12, foo)
+# hd(chap.translations)
+
+# source_title = "Gita"
+
+# src = Written.list_sources()
+#     |>Enum.find(fn src -> src.title == source_title end)
+# no = 2 
+
+# chap = Repo.get_by(Chapter, no: no, source_id: src.id)
+#     |> Repo.preload([:verses])
+
+# first_verse = hd(chap.verses)
+
+# R.recompile()
+# chap3 = Written.get_chapter(3, "Gita")
+# verses = Written.get_verses_in_chapter(3, src.id)
+# first_v = hd(verses)
+# first_v.translations
+# Written.get_verse_via_url_params(3, 1, "Gita")
+
+# hd(Repo.all(Translation))
+
+# chap3.translations
+```
+
 ##### Bala's working example of using the polymorphic translations
 
 <!-- livebook:{"break_markdown":true} -->
diff --git a/lib/vyasa/written.ex b/lib/vyasa/written.ex
index b036c43f..207891e7 100644
--- a/lib/vyasa/written.ex
+++ b/lib/vyasa/written.ex
@@ -73,7 +73,7 @@ defmodule Vyasa.Written do
   def get_source_by_title(title) do
     list_sources()
     |>Enum.find(fn src -> src.title == title end)
-    |> Repo.preload([:chapters, :verses])
+    |> Repo.preload([verses: [:translations], chapters: [:translations]])
 
   end
 
@@ -81,23 +81,23 @@ defmodule Vyasa.Written do
     src = list_sources()
     |>Enum.find(fn src -> src.title == source_title end)
     Repo.get_by(Chapter, no: no, source_id: src.id)
-    |> Repo.preload([:verses])
+    |> Repo.preload([:translations, verses: [:translations]])
    end
 
   def get_verses_in_chapter(no, source_id) do
     chapter = Repo.get_by(Chapter, no: no, source_id: source_id)
-    |> Repo.preload([:verses])
+    |> Repo.preload([:verses, :translations])
 
     chapter.verses
     end
 
   def get_verse_via_url_params(verse_no, chap_no, source_title) do
     chapter = get_chapter(chap_no, source_title)
-    |> Repo.preload([:verses, :source])
+    |> Repo.preload([:source, :translations], verses: [:translations])
 
     chapter.verses
     |> Enum.find(fn verse -> verse.no == verse_no end)
-    |> Repo.preload([:chapter, :source])
+    |> Repo.preload([:chapter, :source, :translations])
    end
 
   @doc """
diff --git a/lib/vyasa/written/chapter.ex b/lib/vyasa/written/chapter.ex
index 6b93896b..1a6f42d6 100644
--- a/lib/vyasa/written/chapter.ex
+++ b/lib/vyasa/written/chapter.ex
@@ -2,7 +2,7 @@ defmodule Vyasa.Written.Chapter do
   use Ecto.Schema
   import Ecto.Changeset
 
-  alias Vyasa.Written.{Source, Verse}
+  alias Vyasa.Written.{Source, Verse, Translation}
 
   @primary_key false
   schema "chapters" do
@@ -16,8 +16,8 @@ defmodule Vyasa.Written.Chapter do
     # field :indic_name_transliteration, :string
 
     belongs_to :source, Source, references: :id, foreign_key: :source_id, type: :binary_id, primary_key: :true
-
     has_many :verses, Verse, references: :no, foreign_key: :chapter_no
+    has_many :translations, Translation, references: :no, foreign_key: :chapter_no
   end
 
   @doc false
diff --git a/lib/vyasa_web/live/source_live/chapter/index.ex b/lib/vyasa_web/live/source_live/chapter/index.ex
index 0036c977..a241c647 100644
--- a/lib/vyasa_web/live/source_live/chapter/index.ex
+++ b/lib/vyasa_web/live/source_live/chapter/index.ex
@@ -24,10 +24,10 @@ defmodule VyasaWeb.SourceLive.Chapter.Index do
       verses: verses,
       title: title,
       body: body,
-      # indic_name: indic_name,
-      # indic_name_meaning: indic_name_meaning,
+      translations: translations,
     } = Written.get_chapter(chap_no, source_title)
 
+    en_translation = translations |> Enum.find(fn t -> t.lang == "en" end)
 
     socket
     |> stream(:verses, verses)
@@ -35,6 +35,7 @@ defmodule VyasaWeb.SourceLive.Chapter.Index do
     |> assign(:chap_no, chap_no)
     |> assign(:chap_body, body)
     |> assign(:chap_title, title)
+    |> assign(:en_translation, en_translation)
     # |> assign(:chap_indic_name, indic_name)
     # |> assign(:chap_indic_name_meaning, indic_name_meaning)
     |> assign(:page_title, "#{source_title} Chapter #{chap_no} | #{title}")
diff --git a/lib/vyasa_web/live/source_live/chapter/index.html.heex b/lib/vyasa_web/live/source_live/chapter/index.html.heex
index 7eff2136..afc4751e 100644
--- a/lib/vyasa_web/live/source_live/chapter/index.html.heex
+++ b/lib/vyasa_web/live/source_live/chapter/index.html.heex
@@ -1,21 +1,33 @@
     <.header>
         <div class="font-dn text-4xl mb-4">
-            STUB FOR INDIC NAME
+           <%= @en_translation.target.translit_title %> | <%= @chap_title %>
         </div>
        <div class="font-dn text-2xl mb-4">
-        Chapter <%= @chap_no%> - <%= @chap_title %>
+        Chapter <%= @chap_no%> - <%= @en_translation.target.title %>
         </div>
 
-
         <:subtitle>
-            <%= @chap_body %>
+            <%= @en_translation.target.body %>
         </:subtitle>
     </.header>
 
     <.verse_list :for={{_dom_id, verse} <- @streams.verses}>
         <:item title={"#{verse.chapter_no}.#{verse.no}"}
                navigate={~p"/explore/#{@source_title}/#{@chap_no}/#{verse.no}"} >
-           <p class="font-dn text-xl"><%= verse.body |> String.split("।।") |> List.first()  %></p>
+
+           <p class="font-dn text-xl">
+        <%= verse.body |> String.split("।।") |> List.first()  %>
+            </p>
+        </:item>
+        <:item title={"Transliteration"}>
+           <p class="font-dn text-lg">
+                <%= hd(verse.translations).target.body_translit  %>
+            </p>
+        </:item>
+        <:item title={"Transliteration Meaning"}>
+           <p class="font-dn text-lg">
+                <%= hd(verse.translations).target.body_translit_meant  %>
+            </p>
         </:item>
     </.verse_list>
 
diff --git a/lib/vyasa_web/live/source_live/chapter/show_verse.ex b/lib/vyasa_web/live/source_live/chapter/show_verse.ex
index 26795d0d..9ac147a0 100644
--- a/lib/vyasa_web/live/source_live/chapter/show_verse.ex
+++ b/lib/vyasa_web/live/source_live/chapter/show_verse.ex
@@ -11,12 +11,15 @@ defmodule VyasaWeb.SourceLive.Chapter.ShowVerse do
   def handle_params(%{"source_title" => source_title, "chap_no" => chap_no, "verse_no" => verse_no}, _, socket) do
     verse = Written.get_verse_via_url_params(String.to_integer(verse_no), chap_no, source_title) |> dbg()
 
+    en_translation = verse.translations |> Enum.find(fn t -> t.lang == "en" end)
+
     {:noreply,
      socket
      |> assign(:source_title, source_title)
      |> assign(:chap_no, chap_no)
      |> assign(:verse_no, String.to_integer(verse_no))
      |> assign(:verse, verse)
+     |> assign(:en_translation, en_translation)
      # |> assign_meta()
     }
      # |> assign(:chapter, Written.get_chapter(chap_no, source_id))
diff --git a/lib/vyasa_web/live/source_live/chapter/show_verse.html.heex b/lib/vyasa_web/live/source_live/chapter/show_verse.html.heex
index 1dfe99a0..18ee45b1 100644
--- a/lib/vyasa_web/live/source_live/chapter/show_verse.html.heex
+++ b/lib/vyasa_web/live/source_live/chapter/show_verse.html.heex
@@ -27,10 +27,25 @@
   id="verseContainer"
 >
   <.header>
-      <:subtitle><%= @verse.chapter_no %>:<%= @verse.no %></:subtitle>
-      <p class="font-dn text-2xl">
-    <%= @verse.body %></p>
+      <:subtitle>
+        <%= @verse.chapter_no %>:<%= @verse.no %>
+      </:subtitle>
+  <p class="font-dn text-2xl">
+    <%= @verse.body %>
+  </p>
   </.header>
+
+  <p class="font-dn text-2xl m-4">
+    <%= @en_translation.target.body_translit %>
+  </p>
+
+  <p class="font-dn text-2xl m-4">
+    <%= @en_translation.target.body_translit_meant %>
+  </p>
+
+
+
+
   <br />
   <br />
   <br />
diff --git a/lib/vyasa_web/live/source_live/show.ex b/lib/vyasa_web/live/source_live/show.ex
index 13fb25d9..22fa2de0 100644
--- a/lib/vyasa_web/live/source_live/show.ex
+++ b/lib/vyasa_web/live/source_live/show.ex
@@ -18,6 +18,7 @@ defmodule VyasaWeb.SourceLive.Show do
       title: title
     } = Written.get_source_by_title(source_title)
 
+
     {
       :noreply,
       socket
diff --git a/lib/vyasa_web/live/source_live/show.html.heex b/lib/vyasa_web/live/source_live/show.html.heex
index 30290e9a..dc3a971b 100644
--- a/lib/vyasa_web/live/source_live/show.html.heex
+++ b/lib/vyasa_web/live/source_live/show.html.heex
@@ -14,7 +14,7 @@ row_click={fn {_id, chap} -> JS.navigate(~p"/explore/#{@title}/#{chap.no}") end}
 >
     <:col :let={{_id, chap}} label="Chapter">
         <div class="font-dn text-lg">
-            <%= chap.no %>. <%= chap.indic_name_translation %>
+            <%= chap.no %>. <%= hd(chap.translations).target.translit_title %>
         </div>
     </:col>
     <:col :let={{_id, chap}} label="Description">
@@ -22,9 +22,10 @@ row_click={fn {_id, chap} -> JS.navigate(~p"/explore/#{@title}/#{chap.no}") end}
         <%= chap.title %>
     </div>
     <div class="font-dn text-md" >
-        <%= chap.indic_name %>
+        <%= hd(chap.translations).target.title %>
     </div>
     </:col>
+
 </.table>
 
 <.back navigate={~p"/explore/"}>Back to All Sources</.back>