Initial commit with basic DB layout

migrations/2023-01-03-134426_create_language/down.sql

@@ -0,0 +1,6 @@
+-- This file should undo anything in `up.sql`
+DROP TABLE LangAndAgents;
+DROP TABLE Languages;
+DROP TYPE Release;
+DROP TYPE DictGenre;
+DROP TYPE AgentLanguageRelation;

migrations/2023-01-03-134426_create_language/up.sql

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+-- Your SQL goes here
+CREATE TYPE Release as ENUM ('PUBLIC', 'NONCOMMERCIAL', 'RESEARCH', 'PRIVATE');
+CREATE TYPE DictGenre as ENUM ('gen', 'lrn', 'ety', 'spe', 'his', 'ort', 'trm');
+CREATE TYPE AgentLanguageRelation as ENUM ('publisher', 'author');
+
+CREATE TABLE Languages (
+  name VARCHAR(255) PRIMARY KEY,
+  native VARCHAR(255),
+  relese Release NOT NULL,
+  targetLanguage TEXT[] NOT NULL,
+  genre DictGenre[] NOT NULL,
+  abstract TEXT,
+  created TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+  description TEXT,
+  rights TEXT,
+  license TEXT,
+  owner VARCHAR(31)
+    REFERENCES Users(id)
+    ON UPDATE CASCADE
+    ON DELETE CASCADE
+    NOT NULL
+);
+
+CREATE TABLE LangAndAgents (
+  id SERIAL PRIMARY KEY,
+  agent VARCHAR(31)
+    REFERENCES Users(id)
+    ON UPDATE CASCADE
+    ON DELETE CASCADE
+    NOT NULL,
+  language VARCHAR(255)
+    REFERENCES Languages(name)
+    ON UPDATE CASCADE
+    ON DELETE CASCADE
+    NOT NULL,
+  relationship AgentLanguageRelation NOT NULL
+);