Added basic SQL schema

Signed-off-by: Louis Vallat <louis@louis-vallat.xyz>

MoviesQuoteBot.sql

@@ -0,0 +1,72 @@
+DROP TABLE IF EXISTS application, film, language, subtitle_line, Subtitle;
+
+/**
+  Store some information on the application.
+ */
+CREATE TABLE IF NOT EXISTS application
+(
+    id        int GENERATED ALWAYS AS IDENTITY,
+    app_key   text NOT NULL,
+    app_value text NOT NULL,
+    PRIMARY KEY (id),
+    UNIQUE (app_key)
+);
+
+/**
+  Film
+ */
+CREATE TABLE IF NOT EXISTS film
+(
+    id           int GENERATED ALWAYS AS IDENTITY,
+    imdb_id      varchar(10) NOT NULL,
+    title        text        NOT NULL,
+    release_date date,
+    poster_link  text,
+    PRIMARY KEY (id)
+);
+
+/**
+  Available languages
+ */
+CREATE TABLE IF NOT EXISTS language
+(
+    id       int GENERATED ALWAYS AS IDENTITY,
+    alpha3_b char(3) NOT NULL,
+    alpha3_t char(3),
+    alpha2   char(2),
+    english  text    NOT NULL,
+    french   text    NOT NULL,
+    PRIMARY KEY (id)
+);
+
+/**
+  Subtitles
+ */
+CREATE TABLE IF NOT EXISTS Subtitle
+(
+    id            int GENERATED ALWAYS AS IDENTITY,
+    film_id       int         NOT NULL,
+    language_id   int         NOT NULL,
+    importer      varchar(37),
+    imported_date timestamptz NOT NULL DEFAULT now(),
+    UNIQUE (film_id, language_id),
+    PRIMARY KEY (id),
+    FOREIGN KEY (film_id)
+        REFERENCES Film (id),
+    FOREIGN KEY (language_id)
+        REFERENCES Language (id)
+);
+
+/**
+  Subtitle lines
+ */
+CREATE TABLE IF NOT EXISTS subtitle_line
+(
+    id          int GENERATED ALWAYS AS IDENTITY,
+    subtitle_id int  NOT NULL,
+    dialog_line text NOT NULL,
+    time_code   text NOT NULL,
+    PRIMARY KEY (id),
+    FOREIGN KEY (subtitle_id)
+        REFERENCES subtitle (id)
+);