Setup and migrate to Prisma (#456)

21 files changed, 366 insertions, 178 deletions

diff --git a/src/bot.ts b/src/bot.ts
index 5260ae0..4a97f6e 100644
--- a/src/bot.ts
+++ b/src/bot.ts
@@ -2,7 +2,7 @@ import {Client, Message, Collection} from 'discord.js';
 import {inject, injectable} from 'inversify';
 import ora from 'ora';
 import {TYPES} from './types.js';
-import {Settings, Shortcut} from './models/index.js';
+import {prisma} from './utils/db.js';
 import container from './inversify.config.js';
 import Command from './commands/index.js';
 import debug from './utils/debug.js';
@@ -21,7 +21,11 @@ export default class {
   private readonly token: string;
   private readonly commands!: Collection<string, Command>;
 
-  constructor(@inject(TYPES.Client) client: Client, @inject(TYPES.Services.NaturalLanguage) naturalLanguage: NaturalLanguage, @inject(TYPES.Config) config: Config) {
+  constructor(
+  @inject(TYPES.Client) client: Client,
+    @inject(TYPES.Services.NaturalLanguage) naturalLanguage: NaturalLanguage,
+    @inject(TYPES.Config) config: Config,
+  ) {
     this.client = client;
     this.naturalLanguage = naturalLanguage;
     this.token = config.DISCORD_TOKEN;
@@ -33,7 +37,9 @@ export default class {
     container.getAll<Command>(TYPES.Command).forEach(command => {
       const commandNames = [command.name, ...command.aliases];
 
-      commandNames.forEach(commandName => this.commands.set(commandName, command));
+      commandNames.forEach(commandName =>
+        this.commands.set(commandName, command),
+      );
     });
 
     this.client.on('messageCreate', async (msg: Message) => {
@@ -42,7 +48,11 @@ export default class {
         return;
       }
 
-      const settings = await Settings.findByPk(msg.guild.id);
+      const settings = await prisma.setting.findUnique({
+        where: {
+          guildId: msg.guild.id,
+        },
+      });
 
       if (!settings) {
         // Got into a bad state, send owner welcome message
@@ -52,27 +62,42 @@ export default class {
 
       const {prefix, channel} = settings;
 
-      if (!msg.content.startsWith(prefix) && !msg.author.bot && msg.channel.id === channel && await this.naturalLanguage.execute(msg)) {
+      if (
+        !msg.content.startsWith(prefix)
+        && !msg.author.bot
+        && msg.channel.id === channel
+        && (await this.naturalLanguage.execute(msg))
+      ) {
         // Natural language command handled message
         return;
       }
 
-      if (!msg.content.startsWith(prefix) || msg.author.bot || msg.channel.id !== channel) {
+      if (
+        !msg.content.startsWith(prefix)
+        || msg.author.bot
+        || msg.channel.id !== channel
+      ) {
         return;
       }
 
       let args = msg.content.slice(prefix.length).split(/ +/);
       const command = args.shift()!.toLowerCase();
 
-      // Get possible shortcut
-      const shortcut = await Shortcut.findOne({where: {guildId: msg.guild.id, shortcut: command}});
+      const shortcut = await prisma.shortcut.findFirst({
+        where: {
+          guildId: msg.guild.id,
+          shortcut: command,
+        },
+      });
 
       let handler: Command;
 
       if (this.commands.has(command)) {
         handler = this.commands.get(command)!;
       } else if (shortcut) {
-        const possibleHandler = this.commands.get(shortcut.command.split(' ')[0]);
+        const possibleHandler = this.commands.get(
+          shortcut.command.split(' ')[0],
+        );
 
         if (possibleHandler) {
           handler = possibleHandler;
@@ -93,7 +118,9 @@ export default class {
         await handler.execute(msg, args);
       } catch (error: unknown) {
         debug(error);
-        await msg.channel.send(errorMsg((error as Error).message.toLowerCase()));
+        await msg.channel.send(
+          errorMsg((error as Error).message.toLowerCase()),
+        );
       }
     });
 
@@ -102,7 +129,10 @@ export default class {
     this.client.on('ready', () => {
       debug(generateDependencyReport());
 
-      spinner.succeed(`Ready! Invite the bot with https://discordapp.com/oauth2/authorize?client_id=${this.client.user?.id ?? ''}&scope=bot&permissions=36752448`);
+      spinner.succeed(
+        `Ready! Invite the bot with https://discordapp.com/oauth2/authorize?client_id=${this.client.user?.id ?? ''
+        }&scope=bot&permissions=36752448`,
+      );
     });
 
     this.client.on('error', console.error);
diff --git a/src/commands/config.ts b/src/commands/config.ts
index dbe0949..20dafed 100644
--- a/src/commands/config.ts
+++ b/src/commands/config.ts
@@ -1,8 +1,8 @@
 import {TextChannel, Message, GuildChannel, ThreadChannel} from 'discord.js';
 import {injectable} from 'inversify';
-import {Settings} from '../models/index.js';
 import errorMsg from '../utils/error-msg.js';
 import Command from '.';
+import {prisma} from '../utils/db.js';
 
 @injectable()
 export default class implements Command {
@@ -17,9 +17,13 @@ export default class implements Command {
   public async execute(msg: Message, args: string []): Promise<void> {
     if (args.length === 0) {
       // Show current settings
-      const settings = await Settings.findByPk(msg.guild!.id);
+      const settings = await prisma.setting.findUnique({
+        where: {
+          guildId: msg.guild!.id,
+        },
+      });
 
-      if (settings) {
+      if (settings?.channel) {
         let response = `prefix: \`${settings.prefix}\`\n`;
         // eslint-disable-next-line @typescript-eslint/no-base-to-string
         response += `channel: ${msg.guild!.channels.cache.get(settings.channel)!.toString()}\n`;
@@ -47,7 +51,14 @@ export default class implements Command {
       case 'prefix': {
         const newPrefix = args[1];
 
-        await Settings.update({prefix: newPrefix}, {where: {guildId: msg.guild!.id}});
+        await prisma.setting.update({
+          where: {
+            guildId: msg.guild!.id,
+          },
+          data: {
+            prefix: newPrefix,
+          },
+        });
 
         await msg.channel.send(`👍 prefix updated to \`${newPrefix}\``);
         break;
@@ -63,7 +74,14 @@ export default class implements Command {
         }
 
         if (channel && channel.type === 'GUILD_TEXT') {
-          await Settings.update({channel: channel.id}, {where: {guildId: msg.guild!.id}});
+          await prisma.setting.update({
+            where: {
+              guildId: msg.guild!.id,
+            },
+            data: {
+              channel: channel.id,
+            },
+          });
 
           await Promise.all([
             (channel as TextChannel).send('hey apparently I\'m bound to this channel now'),
@@ -83,7 +101,15 @@ export default class implements Command {
           return;
         }
 
-        await Settings.update({playlistLimit}, {where: {guildId: msg.guild!.id}});
+        await prisma.setting.update({
+          where: {
+            guildId: msg.guild!.id,
+          },
+          data: {
+            playlistLimit,
+          },
+        });
+
         await msg.channel.send(`👍 playlist-limit updated to ${playlistLimit}`);
         break;
       }
diff --git a/src/commands/help.ts b/src/commands/help.ts
index 7058efd..ebac00b 100644
--- a/src/commands/help.ts
+++ b/src/commands/help.ts
@@ -2,8 +2,8 @@ import {Message, Util} from 'discord.js';
 import {injectable} from 'inversify';
 import Command from '.';
 import {TYPES} from '../types.js';
-import {Settings} from '../models/index.js';
 import container from '../inversify.config.js';
+import {prisma} from '../utils/db.js';
 
 @injectable()
 export default class implements Command {
@@ -21,7 +21,11 @@ export default class implements Command {
       this.commands = container.getAll<Command>(TYPES.Command);
     }
 
-    const settings = await Settings.findOne({where: {guildId: msg.guild!.id}});
+    const settings = await prisma.setting.findUnique({
+      where: {
+        guildId: msg.guild!.id,
+      },
+    });
 
     if (!settings) {
       return;
diff --git a/src/commands/play.ts b/src/commands/play.ts
index 6561fa9..710bb06 100644
--- a/src/commands/play.ts
+++ b/src/commands/play.ts
@@ -10,7 +10,7 @@ import LoadingMessage from '../utils/loading-message.js';
 import errorMsg from '../utils/error-msg.js';
 import Command from '.';
 import GetSongs from '../services/get-songs.js';
-import Settings from '../models/settings.js';
+import {prisma} from '../utils/db.js';
 
 @injectable()
 export default class implements Command {
@@ -41,8 +41,15 @@ export default class implements Command {
   // eslint-disable-next-line complexity
   public async execute(msg: Message, args: string[]): Promise<void> {
     const [targetVoiceChannel] = getMemberVoiceChannel(msg.member!) ?? getMostPopularVoiceChannel(msg.guild!);
-    const settings = await Settings.findByPk(msg.guild!.id);
-    const {playlistLimit} = settings!;
+    const setting = await prisma.setting.findUnique({
+      where: {
+        guildId: msg.guild!.id,
+      }});
+    if (!setting) {
+      throw new Error(`Couldn't find settings for guild ${msg.guild!.id}`);
+    }
+
+    const {playlistLimit} = setting;
 
     const res = new LoadingMessage(msg.channel as TextChannel);
     await res.start();
diff --git a/src/commands/shortcuts.ts b/src/commands/shortcuts.ts
index 929a5c1..e40d10a 100644
--- a/src/commands/shortcuts.ts
+++ b/src/commands/shortcuts.ts
@@ -1,8 +1,8 @@
 import {Message} from 'discord.js';
 import {injectable} from 'inversify';
-import {Shortcut, Settings} from '../models/index.js';
 import errorMsg from '../utils/error-msg.js';
 import Command from '.';
+import {prisma} from '../utils/db.js';
 
 @injectable()
 export default class implements Command {
@@ -18,7 +18,11 @@ export default class implements Command {
   public async execute(msg: Message, args: string []): Promise<void> {
     if (args.length === 0) {
       // Get shortcuts for guild
-      const shortcuts = await Shortcut.findAll({where: {guildId: msg.guild!.id}});
+      const shortcuts = await prisma.shortcut.findMany({
+        where: {
+          guildId: msg.guild!.id,
+        },
+      });
 
       if (shortcuts.length === 0) {
         await msg.channel.send('no shortcuts exist');
@@ -26,7 +30,11 @@ export default class implements Command {
       }
 
       // Get prefix for guild
-      const settings = await Settings.findOne({where: {guildId: msg.guild!.id}});
+      const settings = await prisma.setting.findUnique({
+        where: {
+          guildId: msg.guild!.id,
+        },
+      });
 
       if (!settings) {
         return;
@@ -48,7 +56,12 @@ export default class implements Command {
 
       switch (action) {
         case 'set': {
-          const shortcut = await Shortcut.findOne({where: {guildId: msg.guild!.id, shortcut: shortcutName}});
+          const shortcut = await prisma.shortcut.findFirst({
+            where: {
+              guildId: msg.guild!.id,
+              shortcut: shortcutName,
+            },
+          });
 
           const command = args.slice(2).join(' ');
 
@@ -60,10 +73,15 @@ export default class implements Command {
               return;
             }
 
-            await shortcut.update(newShortcut);
+            await prisma.shortcut.update({
+              where: {
+                id: shortcut.id,
+              },
+              data: newShortcut,
+            });
             await msg.channel.send('shortcut updated');
           } else {
-            await Shortcut.create(newShortcut);
+            await prisma.shortcut.create({data: newShortcut});
             await msg.channel.send('shortcut created');
           }
 
@@ -72,7 +90,12 @@ export default class implements Command {
 
         case 'delete': {
           // Check if shortcut exists
-          const shortcut = await Shortcut.findOne({where: {guildId: msg.guild!.id, shortcut: shortcutName}});
+          const shortcut = await prisma.shortcut.findFirst({
+            where: {
+              guildId: msg.guild!.id,
+              shortcut: shortcutName,
+            },
+          });
 
           if (!shortcut) {
             await msg.channel.send(errorMsg('shortcut doesn\'t exist'));
@@ -85,7 +108,11 @@ export default class implements Command {
             return;
           }
 
-          await shortcut.destroy();
+          await prisma.shortcut.delete({
+            where: {
+              id: shortcut.id,
+            },
+          });
 
           await msg.channel.send('shortcut deleted');
 
diff --git a/src/events/guild-create.ts b/src/events/guild-create.ts
index 01f0910..9a26b2a 100644
--- a/src/events/guild-create.ts
+++ b/src/events/guild-create.ts
@@ -1,13 +1,24 @@
 import {Guild, TextChannel, Message, MessageReaction, User} from 'discord.js';
 import emoji from 'node-emoji';
 import pEvent from 'p-event';
-import {Settings} from '../models/index.js';
 import {chunk} from '../utils/arrays.js';
+import {prisma} from '../utils/db.js';
 
 const DEFAULT_PREFIX = '!';
 
 export default async (guild: Guild): Promise<void> => {
-  await Settings.upsert({guildId: guild.id, prefix: DEFAULT_PREFIX});
+  await prisma.setting.upsert({
+    where: {
+      guildId: guild.id,
+    },
+    create: {
+      guildId: guild.id,
+      prefix: DEFAULT_PREFIX,
+    },
+    update: {
+      prefix: DEFAULT_PREFIX,
+    },
+  });
 
   const owner = await guild.client.users.fetch(guild.ownerId);
 
@@ -70,7 +81,15 @@ export default async (guild: Guild): Promise<void> => {
   const prefixCharacter = prefixResponses.first()!.content;
 
   // Save settings
-  await Settings.update({prefix: prefixCharacter, channel: chosenChannel.id}, {where: {guildId: guild.id}});
+  await prisma.setting.update({
+    where: {
+      guildId: guild.id,
+    },
+    data: {
+      channel: chosenChannel.id,
+      prefix: prefixCharacter,
+    },
+  });
 
   // Send welcome
   const boundChannel = guild.client.channels.cache.get(chosenChannel.id) as TextChannel;
diff --git a/src/index.ts b/src/index.ts
index a6b6d35..e6df09d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,28 +1,14 @@
 import makeDir from 'make-dir';
 import path from 'path';
-import {makeLines} from 'nodesplash';
 import container from './inversify.config.js';
 import {TYPES} from './types.js';
 import Bot from './bot.js';
-import {sequelize} from './utils/db.js';
 import Config from './services/config.js';
 import FileCacheProvider from './services/file-cache.js';
-import metadata from '../package.json';
 
 const bot = container.get<Bot>(TYPES.Bot);
 
-(async () => {
-  // Banner
-  console.log(makeLines({
-    user: 'codetheweb',
-    repository: 'muse',
-    version: metadata.version,
-    paypalUser: 'codetheweb',
-    githubSponsor: 'codetheweb',
-    madeByPrefix: 'Made with 🎶 by ',
-  }).join('\n'));
-  console.log('\n');
-
+const startBot = async () => {
   // Create data directories if necessary
   const config = container.get<Config>(TYPES.Config);
 
@@ -30,9 +16,9 @@ const bot = container.get<Bot>(TYPES.Bot);
   await makeDir(config.CACHE_DIR);
   await makeDir(path.join(config.CACHE_DIR, 'tmp'));
 
-  await sequelize.sync({alter: true});
-
   await container.get<FileCacheProvider>(TYPES.FileCache).cleanup();
 
   await bot.listen();
-})();
+};
+
+export {startBot};
diff --git a/src/models/file-cache.ts b/src/models/file-cache.ts
deleted file mode 100644
index dbac6d3..0000000
--- a/src/models/file-cache.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-import {Table, Column, PrimaryKey, Model} from 'sequelize-typescript';
-
-@Table
-export default class FileCache extends Model {
-  @PrimaryKey
-  @Column
-  hash!: string;
-
-  @Column
-  bytes!: number;
-
-  @Column
-  accessedAt!: Date;
-}
diff --git a/src/models/index.ts b/src/models/index.ts
deleted file mode 100644
index e3f7c0a..0000000
--- a/src/models/index.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import FileCache from './file-cache.js';
-import KeyValueCache from './key-value-cache.js';
-import Settings from './settings.js';
-import Shortcut from './shortcut.js';
-
-export {
-  FileCache,
-  KeyValueCache,
-  Settings,
-  Shortcut,
-};
diff --git a/src/models/key-value-cache.ts b/src/models/key-value-cache.ts
deleted file mode 100644
index 5072538..0000000
--- a/src/models/key-value-cache.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import {Table, Column, PrimaryKey, Model} from 'sequelize-typescript';
-import sequelize from 'sequelize';
-
-@Table
-export default class KeyValueCache extends Model {
-  @PrimaryKey
-  @Column
-  key!: string;
-
-  @Column(sequelize.TEXT)
-  value!: string;
-
-  @Column
-  expiresAt!: Date;
-}
diff --git a/src/models/settings.ts b/src/models/settings.ts
deleted file mode 100644
index f9756d3..0000000
--- a/src/models/settings.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-import {Table, Column, PrimaryKey, Model, Default} from 'sequelize-typescript';
-
-@Table
-export default class Settings extends Model {
-  @PrimaryKey
-  @Column
-  guildId!: string;
-
-  @Column
-  prefix!: string;
-
-  @Column
-  channel!: string;
-
-  @Default(false)
-  @Column
-  finishedSetup!: boolean;
-
-  @Default(50)
-  @Column
-  playlistLimit!: number;
-}
diff --git a/src/models/shortcut.ts b/src/models/shortcut.ts
deleted file mode 100644
index 4ec88ed..0000000
--- a/src/models/shortcut.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import {Table, Column, PrimaryKey, Model, AutoIncrement, Index} from 'sequelize-typescript';
-
-@Table
-export default class Shortcut extends Model {
-  @PrimaryKey
-  @AutoIncrement
-  @Column
-  id!: number;
-
-  @Column
-  @Index
-  guildId!: string;
-
-  @Column
-  authorId!: string;
-
-  @Column
-  @Index
-  shortcut!: string;
-
-  @Column
-  command!: string;
-}
diff --git a/src/scripts/migrate-and-start.ts b/src/scripts/migrate-and-start.ts
new file mode 100644
index 0000000..d971745
--- /dev/null
+++ b/src/scripts/migrate-and-start.ts
@@ -0,0 +1,83 @@
+// This script applies Prisma migrations
+// and then starts Muse.
+import dotenv from 'dotenv';
+dotenv.config();
+
+import {execa, ExecaError} from 'execa';
+import {promises as fs} from 'fs';
+import Prisma from '@prisma/client';
+import ora from 'ora';
+import {startBot} from '../index.js';
+import logBanner from '../utils/log-banner.js';
+import {createDatabasePath} from '../utils/create-database-url.js';
+import {DATA_DIR} from '../services/config.js';
+
+const client = new Prisma.PrismaClient();
+
+const migrateFromSequelizeToPrisma = async () => {
+  await execa('prisma', ['migrate', 'resolve', '--applied', '20220101155430_migrate_from_sequelize'], {preferLocal: true});
+};
+
+const doesUserHaveExistingDatabase = async () => {
+  try {
+    await fs.access(createDatabasePath(DATA_DIR));
+
+    return true;
+  } catch {
+    return false;
+  }
+};
+
+const hasDatabaseBeenMigratedToPrisma = async () => {
+  try {
+    await client.$queryRaw`SELECT COUNT(id) FROM _prisma_migrations`;
+  } catch (error: unknown) {
+    if (error instanceof Prisma.Prisma.PrismaClientKnownRequestError && error.code === 'P2010') {
+      // Table doesn't exist
+      return false;
+    }
+
+    throw error;
+  }
+
+  return true;
+};
+
+(async () => {
+  // Banner
+  logBanner();
+
+  const spinner = ora('Applying database migrations...').start();
+
+  if (await doesUserHaveExistingDatabase()) {
+    if (!(await hasDatabaseBeenMigratedToPrisma())) {
+      try {
+        await migrateFromSequelizeToPrisma();
+      } catch (error) {
+        if ((error as ExecaError).stderr) {
+          spinner.fail('Failed to apply database migrations (going from Sequelize to Prisma):');
+          console.error((error as ExecaError).stderr);
+          process.exit(1);
+        } else {
+          throw error;
+        }
+      }
+    }
+  }
+
+  try {
+    await execa('prisma', ['migrate', 'deploy'], {preferLocal: true});
+  } catch (error: unknown) {
+    if ((error as ExecaError).stderr) {
+      spinner.fail('Failed to apply database migrations:');
+      console.error((error as ExecaError).stderr);
+      process.exit(1);
+    } else {
+      throw error;
+    }
+  }
+
+  spinner.succeed('Database migrations applied.');
+
+  await startBot();
+})();
diff --git a/src/scripts/run-with-database-url.ts b/src/scripts/run-with-database-url.ts
new file mode 100644
index 0000000..b7ae3a7
--- /dev/null
+++ b/src/scripts/run-with-database-url.ts
@@ -0,0 +1,13 @@
+import {DATA_DIR} from '../services/config.js';
+import createDatabaseUrl from '../utils/create-database-url.js';
+import {execa} from 'execa';
+
+process.env.DATABASE_URL = createDatabaseUrl(DATA_DIR);
+
+(async () => {
+  await execa(process.argv[2], process.argv.slice(3), {
+    preferLocal: true,
+    stderr: process.stderr,
+    stdout: process.stdout,
+  });
+})();
diff --git a/src/scripts/start.ts b/src/scripts/start.ts
new file mode 100644
index 0000000..a9e294e
--- /dev/null
+++ b/src/scripts/start.ts
@@ -0,0 +1,9 @@
+// This script is mainly used during development.
+// Starts Muse without applying database migrations.
+import {startBot} from '../index.js';
+import logBanner from '../utils/log-banner.js';
+
+(async () => {
+  logBanner();
+  await startBot();
+})();
diff --git a/src/services/config.ts b/src/services/config.ts
index 96b161c..e96e371 100644
--- a/src/services/config.ts
+++ b/src/services/config.ts
@@ -1,4 +1,5 @@
 import dotenv from 'dotenv';
+import 'reflect-metadata';
 import {injectable} from 'inversify';
 import path from 'path';
 import xbytes from 'xbytes';
diff --git a/src/services/file-cache.ts b/src/services/file-cache.ts
index 1ffb824..98a079c 100644
--- a/src/services/file-cache.ts
+++ b/src/services/file-cache.ts
@@ -1,12 +1,12 @@
 import {promises as fs, createWriteStream} from 'fs';
 import path from 'path';
 import {inject, injectable} from 'inversify';
-import sequelize from 'sequelize';
-import {FileCache} from '../models/index.js';
 import {TYPES} from '../types.js';
 import Config from './config.js';
 import PQueue from 'p-queue';
 import debug from '../utils/debug.js';
+import {prisma} from '../utils/db.js';
+import {FileCache} from '@prisma/client';
 
 @injectable()
 export default class FileCacheProvider {
@@ -23,7 +23,11 @@ export default class FileCacheProvider {
    * @param hash lookup key
    */
   async getPathFor(hash: string): Promise<string> {
-    const model = await FileCache.findByPk(hash);
+    const model = await prisma.fileCache.findUnique({
+      where: {
+        hash,
+      },
+    });
 
     if (!model) {
       throw new Error('File is not cached');
@@ -34,12 +38,23 @@ export default class FileCacheProvider {
     try {
       await fs.access(resolvedPath);
     } catch (_: unknown) {
-      await FileCache.destroy({where: {hash}});
+      await prisma.fileCache.delete({
+        where: {
+          hash,
+        },
+      });
 
       throw new Error('File is not cached');
     }
 
-    await model.update({accessedAt: new Date()});
+    await prisma.fileCache.update({
+      where: {
+        hash,
+      },
+      data: {
+        accessedAt: new Date(),
+      },
+    });
 
     return resolvedPath;
   }
@@ -64,7 +79,13 @@ export default class FileCacheProvider {
         try {
           await fs.rename(tmpPath, finalPath);
 
-          await FileCache.create({hash, bytes: stats.size, accessedAt: new Date()});
+          await prisma.fileCache.create({
+            data: {
+              hash,
+              accessedAt: new Date(),
+              bytes: stats.size,
+            },
+          });
         } catch (error) {
           debug('Errored when moving a finished cache file:', error);
         }
@@ -100,14 +121,19 @@ export default class FileCacheProvider {
     // Continue to evict until we're under the limit
     /* eslint-disable no-await-in-loop */
     while (totalSizeBytes > this.config.CACHE_LIMIT_IN_BYTES) {
-      const oldest = await FileCache.findOne({
-        order: [
-          ['accessedAt', 'ASC'],
-        ],
+      const oldest = await prisma.fileCache.findFirst({
+        orderBy: {
+          accessedAt: 'asc',
+        },
+
       });
 
       if (oldest) {
-        await oldest.destroy();
+        await prisma.fileCache.delete({
+          where: {
+            hash: oldest.hash,
+          },
+        });
         await fs.unlink(path.join(this.config.CACHE_DIR, oldest.hash));
         debug(`${oldest.hash} has been evicted`);
         numOfEvictedFiles++;
@@ -128,7 +154,11 @@ export default class FileCacheProvider {
     // Check filesystem direction (do files exist on the disk but not in the database?)
     for await (const dirent of await fs.opendir(this.config.CACHE_DIR)) {
       if (dirent.isFile()) {
-        const model = await FileCache.findByPk(dirent.name);
+        const model = await prisma.fileCache.findUnique({
+          where: {
+            hash: dirent.name,
+          },
+        });
 
         if (!model) {
           debug(`${dirent.name} was present on disk but was not in the database. Removing from disk.`);
@@ -145,7 +175,11 @@ export default class FileCacheProvider {
         await fs.access(filePath);
       } catch {
         debug(`${model.hash} was present in database but was not on disk. Removing from database.`);
-        await model.destroy();
+        await prisma.fileCache.delete({
+          where: {
+            hash: model.hash,
+          },
+        });
       }
     }
   }
@@ -156,11 +190,12 @@ export default class FileCacheProvider {
    * @returns the total size of the cache in bytes
    */
   private async getDiskUsageInBytes() {
-    const [{dataValues: {totalSizeBytes}}] = await FileCache.findAll({
-      attributes: [
-        [sequelize.fn('sum', sequelize.col('bytes')), 'totalSizeBytes'],
-      ],
-    }) as unknown as [{dataValues: {totalSizeBytes: number}}];
+    const data = await prisma.fileCache.aggregate({
+      _sum: {
+        bytes: true,
+      },
+    });
+    const totalSizeBytes = data._sum.bytes ?? 0;
 
     return totalSizeBytes;
   }
@@ -176,24 +211,26 @@ export default class FileCacheProvider {
     let models: FileCache[] = [];
 
     const fetchNextBatch = async () => {
-      let where = {};
+      let where;
 
       if (previousCreatedAt) {
         where = {
           createdAt: {
-            [sequelize.Op.gt]: previousCreatedAt,
+            gt: previousCreatedAt,
           },
         };
       }
 
-      models = await FileCache.findAll({
+      models = await prisma.fileCache.findMany({
         where,
-        limit,
-        order: ['createdAt'],
+        orderBy: {
+          createdAt: 'asc',
+        },
+        take: limit,
       });
 
       if (models.length > 0) {
-        previousCreatedAt = models[models.length - 1].createdAt as Date;
+        previousCreatedAt = models[models.length - 1].createdAt;
       }
     };
 
diff --git a/src/services/key-value-cache.ts b/src/services/key-value-cache.ts
index 7f1164d..bfe4f8c 100644
--- a/src/services/key-value-cache.ts
+++ b/src/services/key-value-cache.ts
@@ -1,5 +1,5 @@
 import {injectable} from 'inversify';
-import {KeyValueCache} from '../models/index.js';
+import {prisma} from '../utils/db.js';
 import debug from '../utils/debug.js';
 
 type Seconds = number;
@@ -29,7 +29,11 @@ export default class KeyValueCacheProvider {
       throw new Error(`Cache key ${key} is too short.`);
     }
 
-    const cachedResult = await KeyValueCache.findByPk(key);
+    const cachedResult = await prisma.keyValueCache.findUnique({
+      where: {
+        key,
+      },
+    });
 
     if (cachedResult) {
       if (new Date() < cachedResult.expiresAt) {
@@ -37,7 +41,11 @@ export default class KeyValueCacheProvider {
         return JSON.parse(cachedResult.value) as F;
       }
 
-      await cachedResult.destroy();
+      await prisma.keyValueCache.delete({
+        where: {
+          key,
+        },
+      });
     }
 
     debug(`Cache miss: ${key}`);
@@ -45,10 +53,21 @@ export default class KeyValueCacheProvider {
     const result = await func(...options as any[]);
 
     // Save result
-    await KeyValueCache.upsert({
-      key,
-      value: JSON.stringify(result),
-      expiresAt: futureTimeToDate(expiresIn),
+    const value = JSON.stringify(result);
+    const expiresAt = futureTimeToDate(expiresIn);
+    await prisma.keyValueCache.upsert({
+      where: {
+        key,
+      },
+      update: {
+        value,
+        expiresAt,
+      },
+      create: {
+        key,
+        value,
+        expiresAt,
+      },
     });
 
     return result;
diff --git a/src/utils/create-database-url.ts b/src/utils/create-database-url.ts
new file mode 100644
index 0000000..cab398e
--- /dev/null
+++ b/src/utils/create-database-url.ts
@@ -0,0 +1,5 @@
+export const createDatabasePath = (directory: string) => `${directory}/db.sqlite`;
+
+const createDatabaseUrl = (directory: string) => `file:${createDatabasePath(directory)}`;
+
+export default createDatabaseUrl;
diff --git a/src/utils/db.ts b/src/utils/db.ts
index 15a2d79..b630320 100644
--- a/src/utils/db.ts
+++ b/src/utils/db.ts
@@ -1,12 +1,3 @@
-import {Sequelize} from 'sequelize-typescript';
-import path from 'path';
-import {DATA_DIR} from '../services/config.js';
-import {FileCache, KeyValueCache, Settings, Shortcut} from '../models/index.js';
+import Prisma from '@prisma/client';
 
-export const sequelize = new Sequelize({
-  dialect: 'sqlite',
-  database: 'muse',
-  storage: path.join(DATA_DIR, 'db.sqlite'),
-  models: [FileCache, KeyValueCache, Settings, Shortcut],
-  logging: false,
-});
+export const prisma = new Prisma.PrismaClient();
diff --git a/src/utils/log-banner.ts b/src/utils/log-banner.ts
new file mode 100644
index 0000000..0ad6466
--- /dev/null
+++ b/src/utils/log-banner.ts
@@ -0,0 +1,16 @@
+import {makeLines} from 'nodesplash';
+import metadata from '../../package.json';
+
+const logBanner = () => {
+  console.log(makeLines({
+    user: 'codetheweb',
+    repository: 'muse',
+    version: metadata.version,
+    paypalUser: 'codetheweb',
+    githubSponsor: 'codetheweb',
+    madeByPrefix: 'Made with 🎶 by ',
+  }).join('\n'));
+  console.log('\n');
+};
+
+export default logBanner;