feat: add share schema and Discord account reconciliation

db/schema.ts

@@ -1,3 +1,4 @@
 export * from "./schema/account";
 export * from "./schema/form";
 export * from "./schema/video";
+export * from "./schema/share";

db/schema/account.ts

@@ -4,21 +4,26 @@ import {
   timestamp,
   integer,
   primaryKey,
+  uniqueIndex,
 } from "drizzle-orm/pg-core";
 import type { AdapterAccount } from "next-auth/adapters";
 
 export const accountSchema = pgSchema("account");
 
-export const users = accountSchema.table("user", {
-  id: text("id")
-    .primaryKey()
-    .$defaultFn(() => crypto.randomUUID()),
-  name: text("name"),
-  email: text("email").unique(),
-  emailVerified: timestamp("emailVerified", { mode: "date" }),
-  image: text("image"),
-  discordId: text("discord_id"),
-});
+export const users = accountSchema.table(
+  "user",
+  {
+    id: text("id")
+      .primaryKey()
+      .$defaultFn(() => crypto.randomUUID()),
+    name: text("name"),
+    email: text("email").unique(),
+    emailVerified: timestamp("emailVerified", { mode: "date" }),
+    image: text("image"),
+    discordId: text("discord_id"),
+  },
+  (user) => [uniqueIndex("user_discord_id_unique").on(user.discordId)]
+);
 
 export const accounts = accountSchema.table(
   "account",

db/schema/share.ts

@@ -0,0 +1,85 @@
+import { randomBytes } from "node:crypto";
+import {
+  index,
+  pgSchema,
+  text,
+  timestamp,
+} from "drizzle-orm/pg-core";
+import { uuidv7 } from "uuidv7";
+import { users } from "./account";
+import { cdn } from "./form";
+
+export const shareSchema = pgSchema("share");
+
+export type ShareSource = "web" | "bot";
+
+const SHARE_ID_ALPHABET = "abcdefghijklmnopqrstuvwxyz0123456789";
+
+export function createShareId() {
+  let id = "";
+  while (id.length < 8) {
+    for (const value of randomBytes(8)) {
+      if (value >= 252) continue;
+      id += SHARE_ID_ALPHABET[value % SHARE_ID_ALPHABET.length];
+      if (id.length === 8) break;
+    }
+  }
+  return id;
+}
+
+export const shareTexts = shareSchema.table(
+  "text",
+  {
+    id: text("id").primaryKey().$defaultFn(createShareId),
+    content: text("content").notNull(),
+    description: text("description"),
+    imageCdnId: text("image_cdn_id").references(() => cdn.id, {
+      onDelete: "set null",
+    }),
+    source: text("source").$type<ShareSource>().notNull(),
+    authorId: text("author_id").references(() => users.id, {
+      onDelete: "set null",
+    }),
+    authorDiscordId: text("author_discord_id").notNull(),
+    authorName: text("author_name").notNull(),
+    authorAvatarUrl: text("author_avatar_url"),
+    createdAt: timestamp("created_at", { mode: "date", withTimezone: true })
+      .defaultNow()
+      .notNull(),
+  },
+  (share) => [
+    index("share_text_author_created_idx").on(
+      share.authorDiscordId,
+      share.createdAt
+    ),
+  ]
+);
+
+export const shareComments = shareSchema.table(
+  "comment",
+  {
+    id: text("id")
+      .primaryKey()
+      .$defaultFn(() => uuidv7()),
+    shareId: text("share_id")
+      .notNull()
+      .references(() => shareTexts.id, { onDelete: "cascade" }),
+    body: text("body").notNull(),
+    authorId: text("author_id").references(() => users.id, {
+      onDelete: "set null",
+    }),
+    authorDiscordId: text("author_discord_id").notNull(),
+    authorName: text("author_name").notNull(),
+    authorAvatarUrl: text("author_avatar_url"),
+    createdAt: timestamp("created_at", { mode: "date", withTimezone: true })
+      .defaultNow()
+      .notNull(),
+  },
+  (comment) => [
+    index("share_comment_share_created_id_idx").on(
+      comment.shareId,
+      comment.createdAt,
+      comment.id
+    ),
+  ]
+);