feat: add new config strategy to backend

backend/prisma/schema.prisma

@@ -77,3 +77,14 @@ model ShareSecurity {
   shareId String? @unique
   share   Share?  @relation(fields: [shareId], references: [id], onDelete: Cascade)
 }
+
+model Config {
+  updatedAt DateTime @updatedAt
+
+  key     String @id
+  type    String
+  value   String?
+  default String
+  secret  Boolean @default(true)
+  locked  Boolean @default(false)
+}

backend/prisma/seed/config.seed.ts

@@ -0,0 +1,118 @@
+import { PrismaClient } from "@prisma/client";
+
+const prisma = new PrismaClient();
+
+const configVariables = [
+  {
+    key: "setupFinished",
+    type: "boolean",
+    default: "false",
+    secret: false,
+    locked: true
+  },
+  {
+    key: "appUrl",
+    type: "string",
+    default: "http://localhost:3000",
+    secret: false,
+  },
+  {
+    key: "showHomePage",
+    type: "boolean",
+    default: "true",
+    secret: false,
+  },
+  {
+    key: "allowRegistration",
+    type: "boolean",
+    default: "true",
+    secret: false,
+  },
+  {
+    key: "allowUnauthenticatedShares",
+    type: "boolean",
+    default: "false",
+    secret: false,
+  },
+  {
+    key: "maxFileSize",
+    type: "number",
+    default: "1000000000",
+    secret: false,
+  },
+  {
+    key: "jwtSecret",
+    type: "string",
+    default: "long-random-string",
+    locked: true
+  },
+  {
+    key: "emailRecipientsEnabled",
+    type: "boolean",
+    default: "false",
+    secret: false,
+  },
+  {
+    key: "smtpHost",
+    type: "string",
+    default: "",
+  },
+  {
+    key: "smtpPort",
+    type: "number",
+    default: "",
+  },
+  {
+    key: "smtpEmail",
+    type: "string",
+    default: "",
+  },
+  {
+    key: "smtpPassword",
+    type: "string",
+    default: "",
+  },
+];
+
+async function main() {
+  for (const variable of configVariables) {
+    const existingConfigVariable = await prisma.config.findUnique({
+      where: { key: variable.key },
+    });
+
+    // Create a new config variable if it doesn't exist
+    if (!existingConfigVariable) {
+      await prisma.config.create({
+        data: variable,
+      });
+    } else {
+      // Update the config variable if the default value has changed
+      if (existingConfigVariable.default != variable.default) {
+        await prisma.config.update({
+          where: { key: variable.key },
+          data: { default: variable.default },
+        });
+      }
+    }
+  }
+
+  // Delete the config variable if it doesn't exist anymore
+  const configVariablesFromDatabase = await prisma.config.findMany();
+
+  for (const configVariableFromDatabase of configVariablesFromDatabase) {
+    if (!configVariables.find((v) => v.key == configVariableFromDatabase.key)) {
+      await prisma.config.delete({
+        where: { key: configVariableFromDatabase.key },
+      });
+    }
+  }
+}
+main()
+  .then(async () => {
+    await prisma.$disconnect();
+  })
+  .catch(async (e) => {
+    console.error(e);
+    await prisma.$disconnect();
+    process.exit(1);
+  });