website/database/migrations/0001-2022-08-31.sql

-- 
-- Entities
--

-- Dispense
CREATE TABLE IF NOT EXISTS "dispense"(
    "id"            TEXT NOT NULL PRIMARY KEY,
    "created_at"    TEXT NOT NULL,
    "owner_id"      TEXT NOT NULL,
    "title"         TEXT NOT NULL,
    "description"   TEXT NOT NULL
);

-- Contenuto caricato
CREATE TABLE IF NOT EXISTS "uploads"(
    "id"            TEXT NOT NULL PRIMARY KEY,
    "created_at"    TEXT NOT NULL,
    "owner_id"      TEXT NOT NULL,
    "dispensa_id"   TEXT NOT NULL,
    "file"          TEXT NOT NULL,
    FOREIGN KEY (dispensa_id) REFERENCES dispense(id)
);

-- Contenuti con hash approvati
CREATE TABLE IF NOT EXISTS "file_approvals"(
    "id"            TEXT NOT NULL PRIMARY KEY,
    "created_at"    TEXT NOT NULL,              
    "owner_id"      TEXT NOT NULL,              -- Moderatore che ha creato questa approvazione
    "upload_id"     TEXT NOT NULL,              -- Upload a cui si riferisce questa approvazione
    "status"        TEXT NOT NULL,              -- Risultato dell'approvazione: "approved" | "rejected"
    FOREIGN KEY (upload_id) REFERENCES uploads(id)
);

-- Download counter
CREATE TABLE IF NOT EXISTS "downloads"(
    "dispensa_id" TEXT NOT NULL,
    "timestamp"   TEXT NOT NULL,
    FOREIGN KEY (dispensa_id) REFERENCES dispense(id)
)

-- 
-- Relations
-- 

-- Tags per le dispense
CREATE TABLE IF NOT EXISTS "tags"(
    "dispensa_id" TEXT NOT NULL,
    "name" TEXT NOT NULL,
    FOREIGN KEY (dispensa_id) REFERENCES dispense(id)
);