From c3ed147004bca0391f2a173bee25e88d416dbdf9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9goire=20Delattre?= <gregoire.delattre@gmail.com>
Date: Thu, 12 Aug 2021 15:37:16 -1000
Subject: [PATCH] Fix queries on the views with ratings

The old behaviour was a simple join, if there's no rating for the movie,
there's no result for movie. The backend can not return the movie and
does a new GetDetails from online detailers.
---
 migrations/0010_fix_rating_tables.down.sql | 20 ++++++++++++++++++++
 migrations/0010_fix_rating_tables.up.sql   | 20 ++++++++++++++++++++
 2 files changed, 40 insertions(+)
 create mode 100644 migrations/0010_fix_rating_tables.down.sql
 create mode 100644 migrations/0010_fix_rating_tables.up.sql

diff --git a/migrations/0010_fix_rating_tables.down.sql b/migrations/0010_fix_rating_tables.down.sql
new file mode 100644
index 0000000..d2838f3
--- /dev/null
+++ b/migrations/0010_fix_rating_tables.down.sql
@@ -0,0 +1,20 @@
+CREATE OR REPLACE VIEW movies_with_rating AS
+SELECT
+    m.id, m.imdb_id, m.title, m.plot, m.tmdb_id, m.year, m.original_title, m.runtime, m.sort_title, m.tagline, m.genres,
+    r.rating,
+    r.votes,
+    m.updated_at, m.created_at
+FROM movies m
+JOIN imdb_ratings r
+ON m.imdb_id = r.imdb_id;
+
+CREATE OR REPLACE VIEW shows_with_rating AS
+SELECT
+    s.id, s.imdb_id, s.title, s.plot, s.tvdb_id, s.year, s.first_aired,
+    r.rating,
+    r.votes,
+    s.updated_at, s.created_at
+FROM shows s
+JOIN imdb_ratings r
+ON s.imdb_id = r.imdb_id;
+
diff --git a/migrations/0010_fix_rating_tables.up.sql b/migrations/0010_fix_rating_tables.up.sql
new file mode 100644
index 0000000..18de066
--- /dev/null
+++ b/migrations/0010_fix_rating_tables.up.sql
@@ -0,0 +1,20 @@
+CREATE OR REPLACE VIEW movies_with_rating AS
+SELECT
+    m.id, m.imdb_id, m.title, m.plot, m.tmdb_id, m.year, m.original_title, m.runtime, m.sort_title, m.tagline, m.genres,
+    CASE WHEN r.rating IS NULL THEN m.rating ELSE r.rating END,
+    CASE WHEN r.votes IS NULL THEN m.votes ELSE r.votes END,
+    m.updated_at, m.created_at
+FROM movies m
+LEFT JOIN imdb_ratings r
+ON m.imdb_id = r.imdb_id;
+
+CREATE OR REPLACE VIEW shows_with_rating AS
+SELECT
+    s.id, s.imdb_id, s.title, s.plot, s.tvdb_id, s.year, s.first_aired,
+    CASE WHEN r.rating IS NULL THEN s.rating ELSE r.rating END,
+    CASE WHEN r.votes IS NULL THEN 0 ELSE r.votes END,
+    s.updated_at, s.created_at
+FROM shows s
+LEFT JOIN imdb_ratings r
+ON s.imdb_id = r.imdb_id;
+