Add prisma migration workaround for views

Author: JustMaier

.editorconfig

@@ -0,0 +1,2 @@
+indent_size = 2
+indent_style = space

package.json

@@ -14,7 +14,7 @@
     "db:ui": "prisma studio",
     "db:pull": "prisma db pull",
     "db:push": "prisma db push",
-    "db:migrate": "prisma migrate dev",
+    "db:migrate": "node scripts/prisma-migrate-with-views-workaround.mjs",
     "db:generate": "prisma generate"
   },
   "prisma": {

prisma/schema.prisma

@@ -270,6 +270,7 @@ model KeyValue {
   value Json
 }
 
+/// @view
 model ModelRank {
   model                Model @relation(fields: [modelId], references: [id], onDelete: NoAction)
   modelId              Int   @id
@@ -290,6 +291,7 @@ model ModelRank {
   ratingAllTime        Int
 }
 
+/// @view
 model ModelVersionRank {
   modelVersion         ModelVersion @relation(fields: [modelVersionId], references: [id], onDelete: NoAction)
   modelVersionId       Int          @id

scripts/prisma-migrate-with-views-workaround.mjs

@@ -0,0 +1,50 @@
+const SCHEMA = 'prisma/schema.prisma';
+const BACKUP = 'prisma/schema.prisma.backup';
+const ANNOTATION = '/// @view';
+
+import { readFile, writeFile, copyFile, rename, unlink } from 'fs/promises';
+import { argv } from 'process';
+import { spawnSync } from 'child_process';
+const spawnOptions = { stdio: 'inherit', shell: true };
+
+// Backup the schema
+await copyFile(SCHEMA, BACKUP);
+console.log('Backed up schema to', BACKUP);
+
+// Remove all views
+console.log('Removing views from schema...');
+const schema = await readFile(SCHEMA, 'utf-8');
+const viewRegex = new RegExp(`\n?${ANNOTATION}\nmodel ([a-zA-Z]+) {[^}]+}\n?`, 'g');
+const modelNames = [...schema.matchAll(viewRegex)].map(([_, name]) => name);
+let modifiedSchema = schema.replace(viewRegex, '');
+for (const modelName of modelNames) {
+  const modelRegex = new RegExp(`^.+${modelName}.*\n?`, 'gm');
+  modifiedSchema = modifiedSchema.replace(modelRegex, '');
+}
+await writeFile(SCHEMA, modifiedSchema, 'utf-8');
+console.log('Removing views from schema... Done');
+
+try {
+  // Run the migration
+  console.log('Running `prisma migrate dev`... ');
+  let { error } = spawnSync('prisma migrate dev', argv.slice(2), spawnOptions);
+  if (error) throw error;
+  console.log('Running `prisma migrate dev`... Done');
+
+  // Restore the schema
+  console.log('Restoring backup and running `npx prisma generate`... ');
+  await unlink(SCHEMA);
+  await rename(BACKUP, SCHEMA);
+  ({ error } = spawnSync('prisma generate', spawnOptions));
+  if (error) throw error;
+  console.log('Restoring backup and running `npx prisma generate`... Done');
+} catch (error) {
+  // Restore the schema
+  console.log('Restoring backup... ');
+  await unlink(SCHEMA);
+  await rename(BACKUP, SCHEMA);
+  console.log('Restoring backup... Done');
+
+  // Rethrow the error
+  throw error;
+}