Add Migrations

migrations/000001_create_libraries_table.down.sql

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+
+DROP TABLE IF EXISTS libraries;

migrations/000001_create_libraries_table.up.sql

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+
+CREATE TABLE IF NOT EXISTS libraries(
+   id serial PRIMARY KEY,
+   enable boolean NOT NULL,
+   name VARCHAR (50) NOT NULL,
+   path VARCHAR (500) NOT NULL
+);

migrations/000002_create_files_table.down.sql

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+DROP TABLE IF EXISTS files;

migrations/000002_create_files_table.up.sql

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+
+CREATE TABLE IF NOT EXISTS files(
+   id serial PRIMARY KEY,
+   library_id integer REFERENCES libraries(id) NOT NULL,
+   size integer NOT NULL,
+   missing boolean NOT NULL,
+   path VARCHAR (500) NOT NULL
+);

migrations/000003_create_workers_table.down.sql

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+DROP TABLE IF EXISTS workers;

migrations/000003_create_workers_table.up.sql

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+
+CREATE TABLE IF NOT EXISTS workers(
+   id uuid PRIMARY KEY,
+   name VARCHAR (50) NOT NULL
+);

migrations/000004_create_task_table.down.sql

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+
+DROP TABLE IF EXISTS tasks;

migrations/000004_create_task_table.up.sql

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+
+CREATE TABLE IF NOT EXISTS tasks(
+   id serial PRIMARY KEY,
+   worker_id uuid REFERENCES workers(id),
+   file_id integer REFERENCES files(id) NOT NULL,
+   status smallint NOT NULL,
+   type smallint NOT NULL
+);